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  • Inorganic Chemistry  (3,891)
  • Oceanography
  • Biology
  • LUNAR AND PLANETARY EXPLORATION
  • 2020-2024  (34)
  • 2005-2009  (358)
  • 1930-1934
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  • 1
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    Springer Nature | Springer International Publishing
    Publication Date: 2024-04-05
    Description: Chilean Patagonia, located at the southwestern tip of South America, is one of the last regions on earth where highly intact environments predominate. With a coastline that extends along some 100,000 km of fjords, channels, and islands, it has one of the world´s most extensive marine-terrestrial interfaces. Local place-based and Indigenous cultures and management practices are a vital presence across the region, while the long and rich history of conservation efforts have resulted in officially protected areas covering over 50% of the land and 41% of the coastal-marine area. However, Chilean Patagonia is increasingly facing anthropogenic pressures associated with increased infrastructure and access, salmon aquaculture, extractive industries, and the spread of invasive exotic species. Despite widespread recognition that Chilean Patagonia represents a unique global reservoir of socio-natural heritage, to date there has been no region-wide assessment of the scientific evidence of the conservation status of its ecosystems or the priorities for their effective conservation. Conservation in Chilean Patagonia: Assessing the state of knowledge, opportunities, and challenges is the first book to gather and synthesize the available scientific and socio-environmental information related to Patagonian conservation. It presents the collaborative work of 68 researchers and local experts, representing a range of specialties and perspectives, including: biology, ecology, socio-ecology, fisheries, aquaculture, anthropology, economics, geography, tourism, cryosphere, oceanography, climate and global change. The book’s 18 chapters focus on the status of key ecosystems and conservation tools, and provide recommendations toward the construction of a renewed, inclusive, and integrated conservation agenda for the Chilean Patagonian region. It provides an essential primer for anyone interested in the future of this ecologically vital region, as well as lessons on interdisciplinary collaboration and integrated analysis of conservation issues useful for conservation practitioners and scholars. This is an open access book. This book is a translation of an original Spanish edition. The translation was done with the help of artificial intelligence (machine translation by the service DeepL.com). A subsequent human revision was done primarily in terms of content, so that the book will read stylistically differently from a conventional translation.
    Keywords: Ecology ; Limnology ; Oceanography ; Biodiversity ; Marine-terrestrial Interface ; thema EDItEUR::P Mathematics and Science::PS Biology, life sciences::PSA Life sciences: general issues::PSAF Ecological science, the Biosphere ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RN The environment::RNK Conservation of the environment ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RB Earth sciences::RBK Hydrology and the hydrosphere::RBKC Oceanography (seas and oceans) ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RG Geography::RGM Biogeography ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RN The environment::RNC Applied ecology::RNCB Biodiversity
    Language: English
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  • 2
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    Springer Nature | Springer International Publishing
    Publication Date: 2024-01-16
    Description: Chilean Patagonia, located at the southwestern tip of South America, is one of the last regions on earth where highly intact environments predominate. With a coastline that extends along some 100,000 km of fjords, channels, and islands, it has one of the world´s most extensive marine-terrestrial interfaces. Local place-based and Indigenous cultures and management practices are a vital presence across the region, while the long and rich history of conservation efforts have resulted in officially protected areas covering over 50% of the land and 41% of the coastal-marine area. However, Chilean Patagonia is increasingly facing anthropogenic pressures associated with increased infrastructure and access, salmon aquaculture, extractive industries, and the spread of invasive exotic species. Despite widespread recognition that Chilean Patagonia represents a unique global reservoir of socio-natural heritage, to date there has been no region-wide assessment of the scientific evidence of the conservation status of its ecosystems or the priorities for their effective conservation. Conservation in Chilean Patagonia: Assessing the state of knowledge, opportunities, and challenges is the first book to gather and synthesize the available scientific and socio-environmental information related to Patagonian conservation. It presents the collaborative work of 68 researchers and local experts, representing a range of specialties and perspectives, including: biology, ecology, socio-ecology, fisheries, aquaculture, anthropology, economics, geography, tourism, cryosphere, oceanography, climate and global change. The book’s 18 chapters focus on the status of key ecosystems and conservation tools, and provide recommendations toward the construction of a renewed, inclusive, and integrated conservation agenda for the Chilean Patagonian region. It provides an essential primer for anyone interested in the future of this ecologically vital region, as well as lessons on interdisciplinary collaboration and integrated analysis of conservation issues useful for conservation practitioners and scholars. This is an open access book. This book is a translation of an original Spanish edition. The translation was done with the help of artificial intelligence (machine translation by the service DeepL.com). A subsequent human revision was done primarily in terms of content, so that the book will read stylistically differently from a conventional translation.
    Keywords: Ecology ; Limnology ; Oceanography ; Biodiversity ; Marine-terrestrial Interface ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNK Conservation of the environment ; bic Book Industry Communication::P Mathematics & science::PS Biology, life sciences::PSA Life sciences: general issues::PSAF Ecological science, the Biosphere ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RG Geography::RGM Biogeography ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNC Applied ecology::RNCB Biodiversity
    Language: English
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  • 3
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    transcript Verlag | transcript Verlag
    Publication Date: 2024-03-22
    Description: Gene gelten im Allgemeinen als die Essenz eines Lebewesens, die all seine charakteristischen Eigenschaften bestimmt. Aus biologischer Sicht trifft diese Vorstellung jedoch längst nicht mehr zu. Im Mittelpunkt dieses Buches steht daher die Frage, warum und wie das essentialistische Denken die gesellschaftliche Wahrnehmung biologischer Forschungsprojekte immer noch beeinflusst. Anhand aktueller Erkenntnisse der Genetik und Epigenetik geht Kirsten Schmidt auf die Suche nach einer neuen Interpretation des Genbegriffs im Zeitalter der Postgenomik. Das Verständnis von Genen als dynamischen Prozessen erweist sich dabei als eine fruchtbare Alternative zum Essentialismus.
    Keywords: Essentialismus ; Gen ; Philosophie ; Epigenetik ; Biologie ; Genetik ; Postgenomik ; Leben ; Wissenschaft ; Wissenschaftsphilosophie ; Naturphilosophie ; Wissenschaftssoziologie ; Soziologie ; Philosophy ; Biology ; Life ; Science ; Philosophy of Science ; Philosophy of Nature ; Sociology of Science ; Sociology ; bic Book Industry Communication::P Mathematics & science::PD Science: general issues::PDA Philosophy of science ; bic Book Industry Communication::H Humanities::HP Philosophy::HPJ Philosophy: metaphysics & ontology ; bic Book Industry Communication::P Mathematics & science::PD Science: general issues::PDR Impact of science & technology on society
    Language: German
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  • 4
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    Masaryk University Press | Masaryk University
    Publication Date: 2024-04-04
    Description: Title in English: History of the Institute of Biology, Faculty of Medicine, Masaryk University A representative book on the history and present of one of the oldest institutes of the Faculty of Medicine of Masaryk University, which has been contributing significantly to the development of biological sciences since its inception.
    Keywords: Historical sciences ; Historyof Medicine ; health care ; Personalities ; Natural science ; Biology ; thema EDItEUR::P Mathematics and Science::PD Science: general issues::PDX History of science
    Language: Czech
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  • 5
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    Scientific Committee on Oceanic Research | Newark, Delaware, USA
    Publication Date: 2023-03-09
    Description: This proceeding summarizes the discussions during the 48th SCOR Annual Meeting held in hybrid format from Busan, Korea, between the 4-6 of October of 2022. This proceeding also provides the links for all the background information for the meeting, including the proposals for new working groups, the reports from current SCOR working groups, projects, capacity development activities, and the reports of affiliated and partner organizations all of which were traditionally included in the SCOR Annual meeting background book until 2019. All of these can also be accessed online through the SCOR website at: https://scor-int.org/events/scor-2022-annual-meeting/.
    Description: Published
    Description: Non Refereed
    Keywords: Ocean science ; SCOR Annual Meeting 2022 ; Oceanography
    Repository Name: AquaDocs
    Type: Book/Monograph/Conference Proceedings
    Format: 70pp.
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  • 6
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    Logos Verlag Berlin | Logos Verlag Berlin
    Publication Date: 2024-04-04
    Description: In Zeiten, in denen die Komplexität gesellschaftlicher, politischer, wirtschaftlicher und technologischer Probleme zunehmend steigt, ist der Erwerb einer naturwissenschaftlichen Grundbildung für die persönliche Meinungsbildung von zentraler Bedeutung. Hierzu gehört das Erlernen von naturwissenschaftlichen Erkenntnismethoden wie dem Experimentieren. Erkenntnisse zu experimentierspezifischen Kompetenzen zeigen, dass Lernende über unterschiedliche Vorstellungen bezüglich des Experimentierens verfügen. Diese zeigen sich in unterschiedlichen Vorgehensweisen, die mehr oder weniger stark von der Vorgehensweise in realer wissenschaftlicher Forschung abweichen. Ziel der vorliegenden Studie ist eine differenzierte Erfassung und Analyse individueller Prozessstrukturen sowie prozessbezogener Niveaustufen von Experimentierprozessen Lehramtsstudierender der Biologie. Die Ergebnisse zeigen, dass die meisten Experimentierprozesse nicht, wie in idealisierten Modellen angenommen, einem linearen Prozessverlauf verlaufen, sondern wiederholte Wechsel zwischen den Experimentierphasen aufweisen. Insbesondere die Durchführung nimmt hier eine zentrale Stellung ein. Die Vernetzung der Experimentierphasen ist unterschiedlich ausgeprägt und steht in einem positiven Zusammenhang mit der Qualität eines Experimentierprozesses. Die prozessbezogenen Niveaustufen weisen Ausprägungen über alle Niveaus hinweg auf. Aus den Ergebnissen werden Hinweise zur Gestaltung von Unterricht und universitärer Lehre sowie Implikationen für die fachdidaktische Forschung abgeleitet.
    Keywords: Science ; Science ; Life Sciences ; Biology ; Education ; thema EDItEUR::P Mathematics and Science::PD Science: general issues ; thema EDItEUR::P Mathematics and Science::PS Biology, life sciences ; thema EDItEUR::J Society and Social Sciences::JN Education
    Language: German
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  • 7
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    Logos Verlag
    Publication Date: 2024-04-05
    Description: New technologies have revealed previously unknown and invisible parts of the human body and made it visible at the molecular level, revealing in turn more detailed structures and arrangements than those which were previously available. In doing so, in many ways they refine, expand, and even completely overturn forms of contemporary knowledge. This book maps the shifts and blurring of boundaries in contemporary bioscientific discourse. The authors of its chapters trace the shifts of boundaries in terms of the gradual blurring of the validity of established concepts, interpretive frameworks, and standards of judgment, which are analysed from ontological, gnoseological, ethical, and social perspectives. At the same time, they also map the blurring of boundaries in terms of the interdisciplinary crossing of boundaries between various scientific and artistic disciplines. The shifting of boundaries ultimately forms a part of these boundaries’ definition; upon the basis of a rationally guided discussion, these shifts can be guided and corrected so as to avoid any irreversible damage. Jana Tomašovičová is a philosopher with a special interest in contemporary philosophy and bioethics. She analyses the impact of biotechnology on traditional social, ethical, and anthropological concepts and their relevance in new conditions. She is an associate professor at the Faculty of Arts, University of Ss. Cyril and Methodius in Trnava, Slovakia. During her bioethics research, she conducted short research stays at the universities of Bonn, Heidelberg, Tübingen, and Zürich.
    Keywords: Science ; Life Sciences ; Biology ; thema EDItEUR::P Mathematics and Science::PS Biology, life sciences
    Language: English
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  • 8
    Publication Date: 2023-06-29
    Description: Climate change is altering our planet and the effects are felt from the highest mountains to the deepest parts of the ocean. While the world seeks to hold warming to 1.5°C, it is vital that we take steps now to protect some of the Earth’s natural jewels and to preserve them for future generations. The UNESCO World Heritage List includes the world’s most iconic marine protected areas, recognised by the international community for their outstanding biodiversity, beauty, geology and natural habitats. Beginning with Australia’s Great Barrier Reef in 1981, the List has since expanded to include a global network of 50 ocean places of Outstanding Universal Value (OUV), from the tropics to the poles, each of which helps to secure the future of our marine ecosystems. Inclusion on the List is only the start of the work needed to protect these sites from warming seas and shifting weather. Indeed, some 70% of the marine World Heritage sites are currently under threat from climate change, according to the 2020 IUCN World Heritage Outlook. Under a business-as-usual emissions scenario, World Heritage Listed coral reef systems are expected to cease to exist by 2100. Action is necessary not just to protect these sites, but because between them they host over 20% of the world’s blue carbon ecosystems - representing critical carbon sinks - and serve as refuges for vulnerable and threatened species. Managers, scientists, and funders are enthusiastic and willing to help us achieve healthy oceans and marine World Heritage sites. But how? The 2021 UNESCO science assessment survey of marine World Heritage sites indicates that nearly 75% of sites lack knowledge on how to protect their OUV against the impacts from climate change. And about two thirds lack the tools to understand how climate change will impact their biodiversity and ecosystem functioning.We must find evidence-based solutions to address these questions and to help sites plan for the uncertain future. In 2017, the United Nations General Assembly proclaimed that 2021-2030 would serve as the United Nations Decade of Ocean Science for Sustainable Development (or ‘Ocean Decade’). The Ocean Decade provides a global framework to harness science to sustainably manage the oceans. Marine World Heritage sites are identified as priority areas in the Implementation Plan of the Ocean Decade. The Decade offers a way to convene diverse actors to co-design and co-deliver knowledge that will address scientific questions about the vulnerable sites, to plan the right response and to put them on a path to a sustainable future. Climate change is a complex challenge, and we must use the best and most up-to-date research and data to guide our actions. Collecting ocean science data and identifying trends are critical to local management teams. Without this baseline knowledge, including where iconic species live or trends in environmental and socio-economic variables, effective management decisions cannot be made in ways that will ensure sites’ protection 10 or 20 years from now. Yet despite their iconic status, many marine World Heritage sites lack essential capacity, technology and resources to generate and process data, including the baseline observations crucial to gather the evidence to plan future steps. For many sites, budgets have not risen while challenges grow exponentially. In response, UNESCO is launching a call for increased and strategic investment in the ocean science needed to safeguard marine World Heritage sites. The ocean is a vast place and there is much to do. Within the framework of the Ocean Decade, this roadmap aims to help provide focus, to ensure research is carried out and used in an efficient, effective and sustainable way. It identifies knowledge that site managers and scientists need to conserve marine World Heritage sites and foster resilient marine ecosystems, highlights the value of science-based decision making, and tackles some key obstacles including resources and capacity. This roadmap outlines key information to assess climate vulnerability, including on the use of targeted science to underpin conservation and management efforts. It also highlights current gaps in science capacity and infrastructure, including data collection and interpretation. Finally, it explores the technology and capacity required for action and the sustainable finance and resources needed to support the necessary research. Marine World Heritage sites face a critical moment in time and we must act now. By developing this roadmap within the framework of the Ocean Decade, we have the chance to generate ‘the science we need for the ocean we want’ and preserve marine World Heritage sites and their services for future generations. This roadmap seeks to offer that help, by showing managers, supporters, and funders how science and research can be more cost-effectively directed to some of the most pressing problems. Together we can steer a path to a resilient and sustainable future, for the next decade and beyond.
    Description: OPENASFA INPUT Suggested citation: UNESCO. 2021. Ocean Science Roadmap for UNESCO Marine World Heritage in the context of the United Nations Decade of Ocean Science for Sustainable Development (2021-2030). Paris, France
    Description: Published
    Description: Not Known
    Keywords: Underwater archeology ; Cultural Heritage ; Marine Sciences ; Oceanography ; Climate Change ; Sustainable Development ; United Nations Decade of Ocean Science for Sustainable Development ; Ocean Decade
    Repository Name: AquaDocs
    Type: Report
    Format: 16pp.
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  • 9
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    United Nations and United Nations Educational, Scientific and Cultural Organization | Paris, France
    Publication Date: 2023-06-29
    Description: This information document presents the STAB’s Strategic framework on engaging in the UN Decade of Ocean Science for Sustainable Development 2021-2030, elaborated following a working meeting held between the STAB and the Intergovernmental Oceanographic Commission in November 2020.
    Description: OPENASFA INPUT
    Description: Published
    Description: Non Refereed
    Keywords: Underwater archeology ; Oceanographic data ; Oceanography ; United Nations Decade of Ocean Science for Sustainable Development ; Ocean Decade
    Repository Name: AquaDocs
    Type: Conference Material
    Format: 8pp.
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  • 10
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    UNESCO-IOC | Paris, France
    Publication Date: 2023-06-29
    Description: On 5 December 2017, the United Nations (UN) declared that a Decade of Ocean Science for Sustainable Development (‘Ocean Decade’) would be held from 2021 to 2030. The Ocean Decade provides a common framework to ensure that ocean science can underpin the achievement of the 17 Sustainable Development Goals (SDGs) and complementary global and regional policy frameworks including the United Nations Framework Convention on Climate Change. The Ocean Decade provides a ‘once-in- a-lifetime’ opportunity to create a new foundation across the science-policy interface to strengthen the management of the ocean and coasts for the benefit of humanity and to mitigate the impacts of climate change. The Ocean Decade Implementation Plan outlines ten Decade Challenges, representing the most immediate and pressing needs of the Decade, which will guide stakeholders as they come together to co-design and co-deliver a wide range of Decade Actions that will be implemented the ocean-climate nexus is embodied in Challenge No. 5 and is reflected in a number of the other Challenges over the next ten years. The Intergovernmental Oceanographic Commission of UNESCO (IOC-UNESCO) has been mandated to coordinate implementation of the Ocean Decade. The Ocean Decade will provide the data, knowledge and capacity to address science and knowledge gaps needed to make informed policy decisions. The United Nations (UN) General Assembly clearly recognizes the societal benefits of a healthy ocean and the need to work across UN entities to achieve this goal. Working in coordination with the UN Framework Convention on Climate Change (UNFCCC), the Ocean Decade will contribute to addressing these societal challenges for example by providing the sound science needed to reflect ocean considerations in Nationally Determined Contributions (NDCs) of the Paris Agreement on Climate Change. In the Ocean and Climate Change Dialogue1, the UNFCCC reaffirmed that science must be strengthened and central to this process. The complementary structure of the Ocean Decade Action Framework to the goals of COP26 will allow for meaningful contributions in achieving successful outcomes.
    Description: MEXT
    Description: From the People of Japan
    Description: OPENASFA INPUT UNESCO-IOC.2021. The Ocean Decade at COP26 of the United Nations Framework Convention on Climate Change. Paris, UNESCO. (The Ocean Decade Series, 31) - (IOC/2021/ODS/31)
    Description: Published
    Description: Not Known
    Keywords: UN Decade of Ocean Science ; COP26 ; Oceanography ; Sustainable Development ; Ocean Decade
    Repository Name: AquaDocs
    Type: Report
    Format: 8pp.
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  • 11
    Publication Date: 2023-06-29
    Description: In 2016, the first World Ocean Assessment of the United Nations stated that humankind was running out of time to start managing the ocean sustainably. This alarming conclusion poses a question to our civilization: is there a way to reverse the decline in ocean health while continuing to rely on the ocean for our ever-increasing needs, particularly under a changing climate? The proclamation by the United Nations General Assembly in December 2017 of the UN Decade of Ocean Science for Sustainable Development, 2021–2030 (hereafter, the ‘Ocean Decade’) is based on the informed conviction of UN Member States that indeed, this opportunity still exists, and that, furthermore, ocean science needs to play a central role in this process. Ocean science is broad: it encompasses natural and social science disciplines, local and indigenous knowledge; it includes the science-policy and science-innovation interfaces, as well as technology and infrastructure. At the beginning of the third millennium, ocean science is largely competent for diagnosing problems. However, its ability to offer solutions of direct relevance to sustainable development requires a massive upgrade. This need is particularly urgent against the current backdrop of the global COVID-19 pandemic and accelerating climate change. The pandemic has, once again, highlighted the importance of science and knowledge for decision-making and policy. As the world adjusts to a new normal, the ocean will need to play a central role in post-pandemic recovery efforts. However, for this to occur, there needs to be a nothing short of a revolution in ocean science. The Ocean Decade will create a paradigm shift in the generation of qualitative and quantitative ocean knowledge – including from currently data-poor regions, such as the deep ocean, coastal areas where much of the human interaction with the ocean is concentrated, and the polar regions – to inform the development of solutions that contribute to the 2030 Agenda for Sustainable Development. The Ocean Decade aims to catalyse the human behaviour change required for the successful implementation of these solutions. Guided by the United Nations Convention on the Law of the Sea (UNCLOS), the Ocean Decade will generate the data, information and knowledge needed for more robust science-informed policies and stronger science-policy interfaces at global, regional, national and even local levels, leading to improved integrated ocean management and development of a sustainable ocean economy. The Ocean Decade will support numerous UN entities to fulfil their ocean-related mandates. In our information-centred, internet-linked society, the Ocean Decade will support ocean data, information and knowledge systems to evolve into a much higher level of readiness, accessibility, and interoperability. The scale of such efforts will need to be exponentially greater than anything seen to date. An equally transformational part of the Ocean Decade is about humanity and our relationship with the ocean. Understanding of the value of the ocean can be nurtured through ocean literacy efforts among diverse stakeholder groups. Holders of indigenous and local knowledge will work as essential partners of the Ocean Decade and will contribute to highlighting the multitude of cultural values of the ocean. Equity, inclusiveness, respect, fairness and scientific integrity are core principles of the Ocean Decade. The Ocean Decade will systematically identify and dismantle barriers to achieving gender, geographic and generational balance so that no one is left behind. Everyone should be able to benefit from ocean science, including Small Island Developing States, Least Developed Countries and Landlocked Developing Countries. Designing and delivering ocean science that focuses on user needs and adopts relevant mechanisms for uptake will be a key metamorphosis to be achieved between 2021 and 2030. Its scale will be unprecedented. Multiple stakeholders are expected to engage and start collaborating outside their traditional communities. Knowledge generators and users will engage in an iterative process of co-design and co-delivery of ocean science. This will create new groupings of actors from natural, social science and humanity disciplines, business and industry, governments, UN entities, intergovernmental organizations (IGOs), NGOs and civil society, educators, early career ocean professionals, ocean sports and recreation organizations, arts and cultural communities, and indigenous and local knowledge holders. Partnerships and active communication will be at the heart of the Ocean Decade. This Decade is not the first to take on the challenge of ocean science. In 1971–1980, earlier generations embarked on the International Decade of Ocean Exploration. As part of that Decade, groundbreaking collaborative research projects occurred. Many of which, such as the World Ocean Circulation Experiment, permanently changed the face of ocean exploration. However, one crucial difference remains between the two Decades: in the 1970s, the aim was to generate the ‘science we want’. In today’s world, we no longer have that luxury, and the current Decade is resolutely focused on the ‘science we need’. The Implementation Plan for such a major undertaking as the Ocean Decade cannot be, and is not, prescriptive. Rather, it provides a framework for transformational action that will build on existing achievements and deliver action across geographies, sectors, disciplines and generations. I hope you, as a reader and an Ocean Decade stakeholder, will share the overall strategic vision and approach of the Ocean Decade as described in the Implementation Plan. With your engagement and your support, the impact of the Ocean Decade will be much bigger than the sum of its parts and together we will be able to create the science we need for the ocean we want.
    Description: OPENASFA INPUT he document should be cited as follows: UNESCO-IOC (2021). The United Nations Decade of Ocean Science for Sustainable Development (2021-2030) Implementation Plan. UNESCO, Paris (IOC Ocean Decade Series, 20.).
    Description: Published
    Description: Not Known
    Keywords: United Nations Decade of Ocean Science for Sustainable Development ; Implementation Plan ; Oceanography ; Sustainable Development ; Science and Development
    Repository Name: AquaDocs
    Type: Report
    Format: 56pp.
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  • 12
    Publication Date: 2023-06-29
    Description: The Implementation Plan of the UN Decade of Ocean Science for Sustainable Development (the Ocean Decade) calls for ‘transformative science’ and a ‘revolution in how that science is produced, used and disseminated’. The solutions-oriented nature of the Ocean Decade creates the conditions for this revolution because it provides a convening framework to foster the partnerships and develop the scientific knowledge needed to catalyse transformative ocean science solutions for sustainable development, connecting people and our ocean. While there is widespread enthusiasm to engage in this collaborative venture, there is a need to build capacity and common understanding in how to create co-designed solutions that could bring about the desired transformation in ocean management. This discussion note ‘Co-designing the Science We Need for the Ocean We Want: Guidance and Recommendations for Collaborative Approaches to Designing & Implementing Decade Actions’ aims to address this in a holistic manner. It was inspired by discussions held during a series of global and regional webinars in late 2020 that brought together 2,100 individuals from around the world to bring to life the notion of collaborative, co-designed science and identify the key obstacles, challenges and opportunities. The note offers a solid starting point for stakeholders on the: what, why and how they can join efforts to co-design salient, credible and legitimate ocean knowledge solutions which deliver on the Ocean Decade’s vision of ‘the science we need for the ocean we want’.
    Description: Government of Sweden
    Description: International Science Council
    Description: OPENASFA INPUT For bibliographic purposes, this publication should be cited as follows: IOC-UNESCO. 2021. Co-designing the Science We Need for the Ocean We Want: Guidance and Recommendations for Collaborative Approaches to Designing & Implementing Decade Actions. Paris, UNESCO. (The Ocean Decade Series, 29).
    Description: Published
    Description: Not Known
    Keywords: Ocean Decade ; United Nations Decade of Ocean Science for Sustainable Development ; Sustainable Development ; Oceans ; Oceanography ; Scientific cooperation ; International Cooperation
    Repository Name: AquaDocs
    Type: Report
    Format: 16pp.
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  • 13
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    IOC of UNESCO | Paris, France
    Publication Date: 2023-06-29
    Description: Brochure for conferences, meetings, etc under the subject: 'United Nations Decade of Ocean Science for Sustainable Development'
    Description: Korea Institute of Ocean Science & Technology
    Description: OPENASFA INPUT Brochure
    Description: Published
    Description: Not Known
    Keywords: United Nations Decade of Ocean Science for Sustainable Development ; Sustainable Development ; Oceanography ; Ocean Decade ; Sustainable Development Goals
    Repository Name: AquaDocs
    Type: Report
    Format: 8pp.
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  • 14
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    UNESCO-IOC | Paris, France
    Publication Date: 2023-06-29
    Description: GenOcean instils a feeling of unity - it's not them and us - we are all in this together. Connecting with the audience, gaining their trust, and allowing them to seamlessly collaborate is essential. But to connect, we have to be on the same wavelength. This campaign identity guide serves as the starting point to create a unified, inspiring and determined campaign that aims to inspire everyday actions to restore and protect the ocean. The following pages contain inspiration, guidelines, and handy tips to communicate our values, realize our vision, and reinforce the GenOcean campaign. Thank you for helping achieve the GenOcean mission to restore and protect the ocean. Welcome to GenOcean.
    Description: Government of Japan
    Description: From the People of Japan
    Description: University of Education, Culture, Sports, Science and Technology, Japan
    Description: OPENASFA INPUT For bibliographic purposes, this publication should be cited as follows: IOC-UNESCO. GenOcean Campaign Identity. Paris. 2022. 72 pp. (The Ocean Decade Series, 33).
    Description: Published
    Description: Not Known
    Keywords: Branding ; Oceanography ; Ocean Literacy ; Environmental awareness ; United Nations Decade of Ocean Science for Sustainable Development ; Ocean Decade
    Repository Name: AquaDocs
    Type: Report
    Format: 72pp.
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  • 15
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    Taylor & Francis | CRC Press
    Publication Date: 2023-09-12
    Description: The complex regulations of the Endangered Species Act established by the U.S. Fish and Wildlife Service can be challenging for environmental professionals who must comply with them or assist clients in compliance. This is true especially for those without a background in biology or ecology. The Endangered Species Act: History, Implementation, Successes, and Controversies discusses the Act using clear scientific prose that all professionals whose activities fit into the ESA compliance process can readily comprehend, including those with limited education in science. The book begins by exploring the deeply rooted history of the Endangered Species Act, which extends back decades preceding its enactment in 1973. It continues with a discussion of the basic scientific theory underlying the Act and provides an overview of its key regulations. The author also examines the Act in the context of other key environmental planning statutes such as the National Environmental Policy Act and the Clean Water Act, especially Section 404 of the Clean Water Act, which relates specifically to wetlands. The remainder of the book details the regulatory processes faced by other government agencies and private developers who must routinely ensure that their actions comply with the Endangered Species Act. It concludes with a broad discussion of current controversies associated with the Act and how those controversies might ultimately change how environmental practitioners will have to comply with the Act in the future. The book is neither a defense of the Endangered Species Act and its associated regulations nor a call to repeal or modify the Act or regulations. The presentation is factual and avoids the hype and hyperbole commonly directed at the Act by both environmental activists and deregulation proponents. Readers will gain a solid understanding of how the Act was established, what goals were envisioned by its framers, how current environmental practice under the Act has been shaped, and how those practices might be changed in the future.
    Keywords: Environment law ; Applied ecology ; Biology ; life sciences ; Zoology & animal sciences ; bic Book Industry Communication::L Law::LN Laws of Specific jurisdictions::LNK Environment, transport & planning law::LNKJ Environment law ; bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNC Applied ecology ; bic Book Industry Communication::P Mathematics & science::PS Biology, life sciences ; bic Book Industry Communication::P Mathematics & science::PS Biology, life sciences::PSV Zoology & animal sciences
    Language: English
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    UCL Press
    Publication Date: 2024-03-23
    Description: Bloomsbury Scientists is the story of the network of scientists and artists living in a square mile of London before and after the First World War. This inspired group of men and women viewed creativity and freedom as the driving force behind nature, and each strove to understand this in their own inventive way. Their collective energy changed the social mood of the era and brought a new synthesis of knowledge to ideas in science and art. Class barriers were threatened as power shifted from the landed oligarchy to those with talent and the will to make a difference. A time of unexpected opportunities, from the new disciplines of Genetics and Ecology to Post-Impressionism and beyond, Michael Boulter seamlessly weaves together the stories originating from Bloomsbury’s laboratories, libraries and studios. He narrates the breakthroughs of scientists such as Ray Lankester and Marie Stopes alongside the creative outputs of H. G. Wells and Virginia Woolf, among many others, and intricately connects them all through personal friendships, grievances, quarrels and affections. Bloomsbury Scientists offers a fresh and crucial perspective on this history at a time when the complex relationship between science and art continues to be debated.
    Keywords: london ; history of science ; bloomsbury ; scientists ; Biology ; Charles Darwin ; Evolution ; Francis Galton ; thema EDItEUR::1 Place qualifiers::1D Europe::1DD Western Europe::1DDU United Kingdom, Great Britain ; thema EDItEUR::N History and Archaeology::NH History::NHD European history ; thema EDItEUR::P Mathematics and Science::PD Science: general issues::PDX History of science
    Language: English
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    Frontiers Media SA
    Publication Date: 2024-04-04
    Description: This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact
    Keywords: polyoxometalates ; Catalysis ; Biology ; Energy ; Materials Science ; magnetic materials ; active matter ; Water-oxidation ; Keggin ; supramolecular chemistry ; thema EDItEUR::P Mathematics and Science::PD Science: general issues
    Language: English
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    Frontiers Media SA
    Publication Date: 2024-04-04
    Description: The Frontiers in Chemistry Editorial Office team are delighted to present the inaugural “Frontiers in Chemistry: Rising Stars” article collection, showcasing the high-quality work of internationally recognized researchers in the early stages of their independent careers. All Rising Star researchers featured within this collection were individually nominated by the Journal’s Chief Editors in recognition of their potential to influence the future directions in their respective fields. The work presented here highlights the diversity of research performed across the entire breadth of the chemical sciences, and presents advances in theory, experiment and methodology with applications to compelling problems. This Editorial features the corresponding author(s) of each paper published within this important collection, ordered by section alphabetically, highlighting them as the great researchers of the future. The Frontiers in Chemistry Editorial Office team would like to thank each researcher who contributed their work to this collection. We would also like to personally thank our Chief Editors for their exemplary leadership of this article collection; their strong support and passion for this important, community-driven collection has ensured its success and global impact.
    Keywords: Green and Sustainable Chemistry ; Analytical Chemistry ; Theoretical and Computational Chemistry ; Polymer Chemistry ; Medicinal and Pharmaceutical Chemistry ; Organic Chemistry ; Nanoscience ; Catalysis and Photocatalysis ; Supramolecular Chemistry ; Electrochemistry ; Inorganic Chemistry ; Chemical Biology ; thema EDItEUR::P Mathematics and Science::PD Science: general issues
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    MDPI - Multidisciplinary Digital Publishing Institute
    Publication Date: 2024-04-05
    Description: Nanofibers, particularly those of a carbonaceous content, have received increased interest in the past two decades due to their outstanding physico-chemical characteristics and their possibility to form and contribute towards a plethora of potentially advantageous materials for consumer, industrial and medical applications. Despite this, and together with the numerous research studies and published articles that have sought to investigate these aspects, the potential impact of CNTs is still not understood. Whether or not nanofibers may be able to provide a sophisticated alternative to conventional materials is still debatable, whilst their effects upon both environmental and human health are highly equivocal. How nanofibers are conceived can determine how they may interact with different environments, such as the human body. Understanding each key step of the synthesis and production of nanofibers to their use within potential applications is therefore essential in gaining an insight into how they may be perceived by any biological system and environment. Thus, obtaining such information will enable all scientific communities to begin to realize the potential advantages posed by nanofibers. The aim of this Special Issue therefore, was to provide a collective overview of nanofibers; ‘from synthesis to application’. The Issue particularly focuses upon carbon-based nanofibers, but also highlights alternative nanofiber types. Emphasis is given holistically, with articles discussing the production routes of nanofibers, their plight during their life-cycle (origin to applied form and effects over time), as well as how nanofibers could either incite conflict, or provide aid to human and environmental health.
    Keywords: QD1-999 ; Toxicology ; Chemistry ; Biology ; Material Science ; Nanofibers ; Nanotechnology ; thema EDItEUR::P Mathematics and Science::PN Chemistry
    Language: English
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    Frontiers Media SA
    Publication Date: 2024-04-04
    Description: This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact
    Keywords: Self-recruitment ; Connectivity ; Oceanography ; Behaviour ; Scales ; thema EDItEUR::P Mathematics and Science::PD Science: general issues ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RB Earth sciences::RBK Hydrology and the hydrosphere::RBKC Oceanography (seas and oceans)
    Language: English
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    Springer Nature
    Publication Date: 2024-04-05
    Description: This open access book discusses biogeochemical processes relevant to carbon and aims to provide readers, graduate students and researchers, with insight into the functioning of marine ecosystems. A carbon centric approach has been adopted, but other elements are included where relevant or needed. The book focuses on concepts and quantitative understanding of primary production, organic matter mineralization and sediment biogeochemistry. The impact of biogeochemical processes on inorganic carbon dynamics and organic matter transformation are also discussed.
    Keywords: Earth sciences ; Geobiology ; Oceanography ; Geochemistry ; Aquatic ecology  ; Ecosystems ; thema EDItEUR::P Mathematics and Science::PS Biology, life sciences::PSA Life sciences: general issues::PSAF Ecological science, the Biosphere ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RB Earth sciences::RBG Geology, geomorphology and the lithosphere::RBGK Geochemistry ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RB Earth sciences::RBK Hydrology and the hydrosphere::RBKC Oceanography (seas and oceans) ; thema EDItEUR::R Earth Sciences, Geography, Environment, Planning::RG Geography::RGM Biogeography
    Language: English
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    Springer Nature
    Publication Date: 2023-02-02
    Description: Oceanography; Biogeosciences; Geochemistry
    Keywords: Oceanography ; Biogeosciences ; Geochemistry ; bic Book Industry Communication::K Economics, finance, business & management::KC Economics::KCN Environmental economics ; bic Book Industry Communication::R Earth sciences, geography, environment, planning
    Language: English
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    transcript Verlag
    Publication Date: 2021-02-10
    Description: Wahrnehmung, Kognition und Ästhetik lassen sich als differente Verarbeitungs- und Ausdrucksformen einer biologischen Basisausstattung des Menschen verstehen. Ob diese stabil sind oder ob sie kulturell überformt oder gar transformiert werden, bildet die zentrale medienanthropologische Fragestellung des Bandes. Dabei wird geprüft, welcher Art die wechselseitigen Impulse sind, die zu kulturellen und biologischen Veränderungen führen können, welche Wirkung sie besitzen und welche Dauer ihnen zukommt. Diese Fragen richten sich nicht allein auf Prozesse wahrnehmungstechnischer, kognitiver oder ästhetischer Habitualisierungen, sondern thematisieren deren physiologische Voraussetzungen. Mit der Beteiligung ausgewiesener Forscher aus den Bereichen Biologie, Medizin und Hirnforschung erschließt dieser Band Neuland im Grenzgebiet der Natur- und Kulturwissenschaften.
    Keywords: Wahrnehmung ; Kognition ; Ästhetik ; Medien ; Biologie ; Hirnforschung ; Medienästhetik ; Medienwissenschaft ; Aesthetics ; Media ; Biology ; Media Aesthetics ; Media Studies ; bic Book Industry Communication::J Society & social sciences::JF Society & culture: general::JFD Media studies
    Language: German
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    Publication Date: 2024-04-05
    Description: The Great Lagoon is a central part of the Szczecin Lagoon, a major component in the Odra River estuary system. It is also an important European natural heritage site and one of the largest resting places for migratory birds in the Baltic Sea area. The first part of Wolnomiejski's and Witek’s book gives a thorough overview of the most up-to-date knowledge of this region, including the assessment of its biological production. Based on these findings authors develop a food web model of the Polish part of the Szczecin Lagoon, identifying a total of 45 trophic-functional components. The model describes a variety of features ranging from the magnitude of consumption, to the amount of unassimilated food and export of individual system components, and serves as an invaluable source, helping researchers to estimate various ecological indicators of The Great Lagoon’s ecosystem.
    Keywords: QH301-705.5 ; Biology ; Natural Sciences ; thema EDItEUR::P Mathematics and Science::PS Biology, life sciences
    Language: English
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    Universitätsverlag Göttingen
    Publication Date: 2024-04-04
    Description: This bibliography documents the printed works of Johann Friedrich Blumenbach (1752–1840) and makes them accessible for research purposes. Blumenbach was Professor of Medicine and Natural History at the University of Göttingen. He was one of the leading exponents of the revolutionary change of the geo-biological concept of the world at the turn of the 18th to the 19th century. His works exemplarily show the interactions between the life sciences, the humanities and the social sciences of his day.
    Keywords: History of Universities ; Bibliography ; Biology ; History of Science ; Darwinism ; thema EDItEUR::P Mathematics and Science::PD Science: general issues ; thema EDItEUR::J Society and Social Sciences::JN Education::JNM Higher education, tertiary education ; thema EDItEUR::G Reference, Information and Interdisciplinary subjects::GB Encyclopaedias and reference works::GBC Reference works::GBCR Bibliographies, catalogues ; thema EDItEUR::P Mathematics and Science::PS Biology, life sciences ; thema EDItEUR::P Mathematics and Science::PD Science: general issues::PDX History of science
    Language: German
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    Publication Date: 2022-04-28
    Description: For more than 40 years, Jesper Hoffmeyer has been committed to the idea of developing “a semiotics of nature, or biosemiotics as he chose to call this effort, that could intelligibly explain how all the phenomena of inherent meaning and signification in living nature – from the lowest level of sign processes in unicellular organisms to the cognitive and social behavior of animals – can emerge from a universe that was not so organized and meaningful from the very beginning” (Emmeche et al. 2002: 41). In this volume, over 80 world-class scholars from more than 20 countries select a short quotation taken from any of Jesper Hoffmeyer’s texts and provide their scholarly commentary upon that passage – whether in the form of an analytical explication, a critical disagreement or a conceptual extension – that as they feel asks the questions that need to be asked, proposes the ideas that need to be proposed, or that draws out the implications that need to be so explicitly drawn out, germane to the claims of the selected passage. At once a celebration and a serious academic development of the work of Jesper Hoffmeyer, this landmark volume marks the occasion of his 70th birthday on February 21, 2012.
    Keywords: jesper hoffmeyer ; semiotics ; biosemiotics ; Biology ; Charles Sanders Peirce ; Evolution ; Semiosis ; bic Book Industry Communication::G Reference, information & interdisciplinary subjects::GT Interdisciplinary studies::GTE Semiotics / semiology
    Language: English
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    Publication Date: 2024-04-08
    Description: The name DGGTB (Deutsche Gesellschaft für Geschichte und Theorie der Biologie; German Society for the History and Theory of Biology) reflects recent history as well as German tradition. The Society is a relatively late addition to a series of German societies of science and medicine that began with the »Deutsche Gesellschaft für Geschichte der Medizin und der Naturwissenschaften«, founded in 1910 by Leipzig University's Karl Sudhoff (1853-1938), who wrote: »We want to establish a ,German' society in order to gather German-speaking historians together in our special disciplines so that they form the core of an international society...«. Yet Sudhoff, at this time of burgeoning academic internationalism, was »quite willing« to accommodate the wishes of a number of founding members and »drop the word German in the title of the Society and have it merge with an international society«. The founding and naming of the Society at that time derived from a specific set of historical circumstances, and the same was true some 80 years later when in 1991, in the wake of German reunification, the »Deutsche Gesellschaft für Geschichte und Theorie der Biologie« was founded. From the start, the Society has been committed to bringing studies in the history and philosophy of biology to a wide audience, using for this purpose its Jahrbuch für Geschichte und Theorie der Biologie. Parallel to the Jahrbuch, the Verhandlungen zur Geschichte und Theorie der Biologie has become the by now traditional medium for the publication of papers delivered at the Society's annual meetings. In 2005 the Jahrbuch was renamed Annals of the History and Philosophy of Biology, reflecting the Society's internationalist aspirations in addressing comparative biology as a subject of historical and philosophical studies.
    Description: The name DGGTB (Deutsche Gesellschaft für Geschichte und Theorie der Biologie; German Society for the History and Theory of Biology) reflects recent history as well as German tradition. The Society is a relatively late addition to a series of German societies of science and medicine that began with the »Deutsche Gesellschaft für Geschichte der Medizin und der Naturwissenschaften«, founded in 1910 by Leipzig University's Karl Sudhoff (1853-1938), who wrote: »We want to establish a ,German' society in order to gather German-speaking historians together in our special disciplines so that they form the core of an international society...«. Yet Sudhoff, at this time of burgeoning academic internationalism, was »quite willing« to accommodate the wishes of a number of founding members and »drop the word German in the title of the Society and have it merge with an international society«. The founding and naming of the Society at that time derived from a specific set of historical circumstances, and the same was true some 80 years later when in 1991, in the wake of German reunification, the »Deutsche Gesellschaft für Geschichte und Theorie der Biologie« was founded. From the start, the Society has been committed to bringing studies in the history and philosophy of biology to a wide audience, using for this purpose its Jahrbuch für Geschichte und Theorie der Biologie. Parallel to the Jahrbuch, the Verhandlungen zur Geschichte und Theorie der Biologie has become the by now traditional medium for the publication of papers delivered at the Society's annual meetings. In 2005 the Jahrbuch was renamed Annals of the History and Philosophy of Biology, reflecting the Society's internationalist aspirations in addressing comparative biology as a subject of historical and philosophical studies.
    Keywords: Biology ; Historical studies ; Philosophical studies ; Maggi ; Pavia ; bic Book Industry Communication::H Humanities::HP Philosophy::HPC History of Western philosophy ; bic Book Industry Communication::P Mathematics & science::PS Biology, life sciences ; bic Book Industry Communication::W Lifestyle, sport & leisure::WN Natural history ; thema EDItEUR::Q Philosophy and Religion::QD Philosophy::QDH Philosophical traditions and schools of thought ; thema EDItEUR::P Mathematics and Science::PS Biology, life sciences ; thema EDItEUR::W Lifestyle, Hobbies and Leisure::WN Nature and the natural world: general interest
    Language: German
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    Publication Date: 2022-04-28
    Description: At the start of the twenty-first century, warnings have been raised in some quarters about how – by intent or by mishap – advances in biotechnology and related fields could aid the spread of disease. Science academics, medical organisations, governments, security analysts, and others are among those that have sought to raise concern. Education and Ethics in the Life Sciences examines a variety of attempts to bring greater awareness to security concerns associated with the life sciences. It identifies lessons from practical initiatives across a wide range of national contexts as well as more general reflections about education and ethics. The eighteen contributors bring together perspectives from a diverse range of fields – including politics, virology, sociology, ethics, security studies, microbiology, and medicine – as well as their experiences in universities, think tanks and government. In offering their assessment about what must be done and by whom, each chapter addresses a host of challenging practical and conceptual questions. Education and Ethics in the Life Sciences will be of interest to those planning and undertaking training activities in other areas. In asking how education and ethics are being made to matter in an emerging area of social unease, it will also be of interest to those with more general concerns about professional conduct.
    Keywords: biotechnology ; prevention ; ethics ; education ; Bioethics ; Biological warfare ; Biological Weapons Convention ; Biology ; Biosecurity ; China ; Dual-use technology ; bic Book Industry Communication::J Society & social sciences::JF Society & culture: general::JFM Ethical issues & debates::JFMG Ethical issues: scientific & technological developments ; bic Book Industry Communication::J Society & social sciences::JN Education
    Language: English
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    Taylor & Francis | Routledge
    Publication Date: 2024-04-07
    Description: Attending the World Economic Forum this past week, I was struck by two trends. The first was that brain research has emerged as a hot topic. Not only was brain science or brain health a new theme at the meeting, research on the brain emerged in discussions about next generation computing, global cooperation, and even models of economic development as well as being linked to mental health or mindfulness. In a meeting frequented largely by economists and business leaders, I was surprised by the number of non-scientists who have become enchanted by brain science. Clearly this is the era of the brain, with mental health now part of a much broader discussion.
    Keywords: policy ; society ; mental health ; Biology ; Epigenetics ; Genetics ; Genome ; Neuroscience ; Plastic ; Social policy ; thema EDItEUR::J Society and Social Sciences ; thema EDItEUR::M Medicine and Nursing
    Language: English
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    Coimbra University Press
    Publication Date: 2022-01-31
    Description: This work brings together various contributions from experts in very diverse areas of knowledge, to discuss the theme ‘Light’ from various points of view. The subjects gathered in this work come from the areas of Physics, Philosophy, Transcendence, Chemistry, Optics, Literature, History of Sciences, History, Geography, International Relations, Biology, Psychology, Art, Cinema and Photography, Medicine and Museology. The texts partially reflect the contents presented at the interdisciplinary colloquium ‘Visões da Luz’ held in October 2015, on the occasion of the International Year of Light 2015, under the aegis of III-UC and open to academia and society, to teachers of the Basic and Secondary Education.
    Keywords: Geography ; Chemistry ; Literature ; Geology ; Light ; Optics ; Biology ; History ; Physics
    Language: Portuguese
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    Logos Verlag Berlin | Logos Verlag Berlin
    Publication Date: 2024-04-05
    Description: The field of psychiatry changed dramatically in the latter half of the nineteenth century, largely by embracing science. The transformation was most evident in Germany, where many psychiatrists began to work concurrently in the clinic and the laboratory. Some researchers sought to discover brain correlates of mental illness, while others looked to experimental psychology for insights into mental dynamics. Featured here, are the lives and works of Emil Kraepelin - often considered the founder of modern scientific psychiatry, his teacher Bernhard Gudden, and his anatomist colleague Franz Nissl. The book describes scientific findings together with the methods used; it explains why diagnoses were then (and are still now) so difficult to make; it also explores mind-brain controversies. The Making of Modern Psychiatry will inform and delight mental health professionals as well as all persons curious about the origins of modern psychiatry.
    Keywords: Science ; Life Sciences ; Biology ; Psychology ; Technology & Engineering ; Agriculture ; thema EDItEUR::P Mathematics and Science::PS Biology, life sciences ; thema EDItEUR::J Society and Social Sciences::JM Psychology ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TV Agriculture and farming
    Language: English
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    transcript Verlag | transcript Verlag
    Publication Date: 2024-03-27
    Description: From self-help books and nootropics, to self-tracking and home health tests, to the tinkering with technology and biological particles - biohacking brings biology, medicine, and the material foundation of life into the sphere of »do-it-yourself«. This trend has the potential to fundamentally change people's relationship with their bodies and biology but it also creates new cultural narratives of responsibility, authority, and differentiation. Covering a broad range of examples, this book explores practices and representations of biohacking in popular culture, discussing their ambiguous position between empowerment and requirement, promise and prescription.
    Keywords: Culture ; Representation ; Biology ; Medicine ; Biocultures ; Biohacking ; Biotechnology ; Cultural Narratives ; DIY ; America ; Body ; Biopolitics ; American Studies ; Life Sciences ; Cultural Studies ; thema EDItEUR::D Biography, Literature and Literary studies::DS Literature: history and criticism::DSB Literary studies: general ; thema EDItEUR::J Society and Social Sciences::JP Politics and government::JPA Political science and theory ; thema EDItEUR::M Medicine and Nursing::MB Medicine: general issues
    Language: English
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    Publication Date: 2023-07-27
    Description: Table Bay, South Africa, is a typical headland-bay system with a shoreline that can be described by a logarithmic spiral. A peculiarity and unique feature of Table Bay is the juxtaposition of Robben Island opposite its headland. As a consequence, the bathymetry defines an ellipsoidal basin which was postulated to potentially resonate in the form of long-period standing waves (seiches). One aim of this study, therefore, was to investigate whether any evidence for such resonant oscillations could be detected in the geomorphology and sediment distribution patterns. Indeed, the ellipsoidal shape of the basin can be framed by two converging log-spirals with their centres located opposite each other, one off Robben Island and the other on the Cape Town side of the bay. The so-called apex line, which divides the two spirals into equal parts is aligned SW–NE, i.e. more or less parallel to the direction of ocean wave propagation. The distribution patterns of all sedimentary parameters were found to be characterised by a strikingly similar trend to either side of the apex line. This supports the hypothesis that the basin of Table Bay appears to resonate in the form of a mode 1 standing wave, with the node positioned above the apex line in the centre of the bay. The maximum period of such a standing wave was calculated to be around 37 min. The study demonstrates that large-scale sediment distribution patterns can reveal the existence of specific hydrodynamic processes in coastal embayments. It is recommended that this phenomenon be investigated in greater detail aimed at verifying the existence of resonant oscillations in Table Bay and, in the event, at establishing its precise nature and trigger mechanism.
    Description: Council for Geoscience and CSIR South Africa
    Description: Senckenberg Gesellschaft für Naturforschung (SGN) (3507)
    Keywords: ddc:551.46 ; Oceanography ; South Africa ; Table Bay ; ellipsoidal shape ; sediment distribution ; seiches
    Language: English
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    Publication Date: 2023-07-27
    Description: Sea-level rise represents a severe hazard for populations living within low-elevation coastal zones and is already largely affecting coastal communities worldwide. As sea level continues to rise following unabated greenhouse gas emissions, the exposure of coastal communities to inundation and erosion will increase exponentially. These impacts will be further magnified under extreme storm conditions. In this paper, we focus on one of the most valuable coastal real estate markets globally (Palm Beach, FL). We use XBeach, an open-source hydro and morphodynamic model, to assess the impact of a major tropical cyclone (Hurricane Matthew, 2016) under three different sea-level scenarios. The first scenario (modern sea level) serves as a baseline against which other model runs are evaluated. The other two runs use different 2100 sea-level projections, localized to the study site: (i) IPCC RCP 8.5 (0.83 m by 2100) and (ii) same as (i), but including enhanced Antarctic ice loss (1.62 m by 2100). Our results show that the effective doubling of future sea level under heightened Antarctic ice loss amplifies flow velocity and wave height, leading to a 46% increase in eroded beach volume and the overtopping of coastal protection structures. This further exacerbates the vulnerability of coastal properties on the island, leading to significant increases in parcel inundation.
    Description: Universität Bremen (1013)
    Description: https://github.com/pboyden/Palm_Beach_XBeach
    Keywords: ddc:551.46 ; Oceanography ; tropical cyclones ; coastal areas ; sea level scenarios ; hydrodynamic modeling ; morphodynamic modeling
    Language: English
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    Publication Date: 2009-01-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Seibel, Brad A -- Dierssen, Heidi M -- New York, N.Y. -- Science. 2009 Jan 16;323(5912):343-4. doi: 10.1126/science.1161618.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Biological Sciences, University of Rhode Island, Kingston, RI 02891, USA. seibel@uri.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19150831" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Biomass ; Calcium Carbonate/*chemistry/*metabolism ; Carbon/chemistry ; Ecosystem ; Fishes/*metabolism ; Food Chain ; Hydrogen-Ion Concentration ; Intestines/chemistry/*metabolism ; Oceanography ; Oceans and Seas ; Phytoplankton/growth & development/metabolism ; Seawater/*chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 36
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2009-11-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vogel, Gretchen -- New York, N.Y. -- Science. 2009 Nov 6;326(5954):788-91. doi: 10.1126/science.326_788.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19892956" target="_blank"〉PubMed〈/a〉
    Keywords: *Academies and Institutes/economics/organization & administration ; Anthropology ; Biology ; Chemistry ; Germany ; Germany, East ; Physics ; Research Personnel ; Universities
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 37
    Publication Date: 2018-06-06
    Description: Combinations of sea ice freeboard and snow depth measurements from satellite data have the potential to provide a means to derive global sea ice thickness values. However, large differences in spatial coverage and resolution between the measurements lead to uncertainties when combining the data. High resolution airborne laser altimeter retrievals of snow-ice freeboard and passive microwave retrievals of snow depth taken in March 2006 provide insight into the spatial variability of these quantities as well as optimal methods for combining high resolution satellite altimeter measurements with low resolution snow depth data. The aircraft measurements show a relationship between freeboard and snow depth for thin ice allowing the development of a method for estimating sea ice thickness from satellite laser altimetry data at their full spatial resolution. This method is used to estimate snow and ice thicknesses for the Arctic basin through the combination of freeboard data from ICESat, snow depth data over first-year ice from AMSR-E, and snow depth over multiyear ice from climatological data. Due to the non-linear dependence of heat flux on ice thickness, the impact on heat flux calculations when maintaining the full resolution of the ICESat data for ice thickness estimates is explored for typical winter conditions. Calculations of the basin-wide mean heat flux and ice growth rate using snow and ice thickness values at the 70 m spatial resolution of ICESat are found to be approximately one-third higher than those calculated from 25 km mean ice thickness values.
    Keywords: Oceanography
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  • 38
    Publication Date: 2018-06-06
    Description: Ocean phytoplankton, detrital material, and water absorb and scatter light spectrally. The Ocean- Atmosphere Spectral Irradiance Model (OASIM) is intended to provide surface irradiance over the oceans with sufficient spectral resolution to support ocean ecology, biogeochemistry, and heat exchange investigations, and of sufficient duration to support inter-annual and decadal investigations. OASIM total surface irradiance (integrated 200 nm to 4 microns) was compared to in situ data and three publicly available global data products at monthly 1-degree resolution. OASIM spectrally-integrated surface irradiance had root mean square (RMS) difference= 20.1 W/sq m (about 11%), bias=1.6 W/sq m (about 0.8%), regression slope= 1.01 and correlation coefficient= 0.89, when compared to 2322 in situ observations. OASIM had the lowest bias of any of the global data products evaluated (ISCCP-FD, NCEP, and ISLSCP 11), and the best slope (nearest to unity). It had the second best RMS, and the third best correlation coefficient. OASIM total surface irradiance compared well with ISCCP-FD (RMS= 20.7 W/sq m; bias=-11.4 W/sq m, r=0.98) and ISLSCP II (RMS =25.2 W/sq m; bias= -13.8 W/sq m; r=0.97), but less well with NCEP (RMS =43.0 W/sq m ;bias=-22.6 W/sq m; x=0.91). Comparisons of OASIM photosynthetically available radiation (PAR) with PAR derived from SeaWiFS showed low bias (-1.8 mol photons /sq m/d, or about 5%), RMS (4.25 mol photons /sq m/d ' or about 12%), near unity slope (1.03) and high correlation coefficient (0.97). Coupled with previous estimates of clear sky spectral irradiance in OASIM (6.6% RMS at 1 nm resolution), these results suggest that OASIM provides reasonable estimates of surface broadband and spectral irradiance in the oceans, and can support studies on ocean ecosystems, carbon cycling, and heat exchange.
    Keywords: Oceanography
    Type: Journal of Marine Systems (ISSN 0924-7963); Volume 76; 49-63
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  • 39
    Publication Date: 2018-06-06
    Description: A state-of-the-art numerical model is used to investigate the possibility of determining freshwater flux fields from temporal changes io sea-surface salinity (SSS), a goal of the satellite salinity-measuring mission, Aquarius/SAC-D. Because the estimated advective temporal scale is usually longer than the Aquarius/SAC-D revisit time, the possibility of producing freshwater flux estimates from temporal salinity changes is first examined by using a correlation analysis. For the mean seasonal cycle, the patterns of the correlations between the freshwater fluxes and surface salinity temporal tendencies are mainly zonally oriented, and are highest where the local precipitation is also relatively high. Nonseasonal (deviations from the monthly mean) correlations are highest along mid-latitude moon tracks and are relatively small in the tropics. The complex correlation patterns presented here suggest that a global retrieval of the difference between evaporation and precipitation (E-P) from salinity changes requires more complex techniques than a simple consideration of local balance with surface forcing.
    Keywords: Oceanography
    Type: International Journal of Remote Sensing (ISSN 0143-1161); Volume 30; No. 14; 3745-3767
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  • 40
    Publication Date: 2018-06-06
    Description: Retrieval of water vapor mixing ratio using the Howard University Raman Lidar is presented with emphasis on three aspects: i) performance of the lidar against collocated radiosondes and Raman lidar, ii) investigation of the atmospheric state variables when poor agreement between lidar and radiosondes values occurred and iii) a comparison with satellite-based measurements. The measurements were acquired during the Water Vapor Validation Experiment Sondes/Satellites 2006 field campaign. Ensemble averaging of water vapor mixing ratio data from ten night-time comparisons with Vaisala RS92 radiosondes shows on average an agreement within 10 % up to approx. 8 km. A similar analysis of lidar-to-lidar data of over 700 profiles revealed an agreement to within 20 % over the first 7 km (10 % below 4 km). A grid analysis, defined in the temperature - relative humidity space, was developed to characterize the lidar - radiosonde agreement and quantitatively localizes regions of strong and weak correlations as a function of altitude, temperature or relative humidity. Three main regions of weak correlation emerge: i) regions of low relative humidity and low temperature, ii) moderate relative humidity at low temperatures and iii) low relative humidity at moderate temperatures. Comparison of Atmospheric InfraRed Sounder and Tropospheric Emission Sounder satellites retrievals of moisture with that of Howard University Raman Lidar showed a general agreement in the trend but the formers miss a lot of the details in atmospheric structure due to their low resolution. A relative difference of about 20 % is usually found between lidar and satellites measurements.
    Keywords: Oceanography
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  • 41
    Publication Date: 2018-06-06
    Description: A new empirical approach is developed for ocean color remote sensing. Called the Empirical Satellite Radiance-In situ Data (ESRID) algorithm, the approach uses relationships between satellite water-leaving radiances and in situ data after full processing, i.e., at Level-3, to improve estimates of surface variables while relaxing requirements on post-launch radiometric re-calibration. The approach is evaluated using SeaWiFS chlorophyll, which is the longest time series of the most widely used ocean color geophysical product. The results suggest that ESRID 1) drastically reduces the bias of ocean chlorophyll, most impressively in coastal regions, 2) modestly improves the uncertainty, and 3) reduces the sensitivity of global annual median chlorophyll to changes in radiometric re-calibration. Simulated calibration errors of 1% or less produce small changes in global median chlorophyll (less than 2.7%). In contrast, the standard NASA algorithm set is highly sensitive to radiometric calibration: similar 1% calibration errors produce changes in global median chlorophyll up to nearly 25%. We show that 0.1% radiometric calibration error (about 1% in water-leaving radiance) is needed to prevent radiometric calibration errors from changing global annual median chlorophyll more than the maximum interannual variability observed in the SeaWiFS 9-year record (+/- 3%), using the standard method. This is much more stringent than the goal for SeaWiFS of 5% uncertainty for water leaving radiance. The results suggest ocean color programs might consider less emphasis of expensive efforts to improve post-launch radiometric re-calibration in favor of increased efforts to characterize in situ observations of ocean surface geophysical products. Although the results here are focused on chlorophyll, in principle the approach described by ESRID can be applied to any surface variable potentially observable by visible remote sensing.
    Keywords: Oceanography
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  • 42
    Publication Date: 2018-06-06
    Description: Ocean assimilation systems synthesize diverse in situ and satellite data streams into four-dimensional state estimates by combining the various observations with the model. Assimilation is particularly important for the ocean where subsurface observations, even today, are sparse and intermittent compared with the scales needed to represent ocean variability and where satellites only sense the surface. Developments in assimilation and in the observing system have advanced our understanding and prediction of ocean variations at mesoscale and climate scales. Use of these systems for assessing the observing system helps identify the strengths of each observation type. Results indicate that the ocean remains under-sampled and that further improvements in the observing system are needed. Prospects for future advances lie in improved models and better estimates of error statistics for both models and observations. Future developments will be increasingly towards consistent analyses across components of the Earth system. However, even today ocean synthesis and assimilation systems are providing products that are useful for many applications and should be considered an integral part of the global ocean observing and information system.
    Keywords: Oceanography
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  • 43
    Publication Date: 2019-07-19
    Description: Satellites have provided us with a remarkable ability to monitor many aspects of the globe day-in and day-out and sea ice is one of numerous variables that by now have quite substantial satellite records. Passive-microwave data have been particularly valuable in sea ice monitoring, with a record that extends back to August 1987 on daily basis (for most of the period), to November 1970 on a less complete basis (again for most of the period), and to December 1972 on a less complete basis. For the period since November 1970, Ross Sea sea ice imagery is available at spatial resolution of approximately 25 km. This allows good depictions of the seasonal advance and retreat of the ice cover each year, along with its marked interannual variability. The Ross Sea ice extent typically reaches a minimum of approximately 0.7 x 10(exp 6) square kilometers in February, rising to a maximum of approximately 4.0 x 10(exp 6) square kilometers in September, with much variability among years for both those numbers. The Ross Sea images show clearly the day-by-day activity greatly from year to year. Animations of the data help to highlight the dynamic nature of the Ross Sea ice cover. The satellite data also allow calculation of trends in the ice cover over the period of the satellite record. Using linear least-squares fits, the Ross Sea ice extent increased at an average rate of 12,600 plus or minus 1,800 square kilometers per year between November 1978 and December 2007, with every month exhibiting increased ice extent and the rates of increase ranging from a low of 7,500 plus or minus 5,000 square kilometers per year for the February ice extents to a high of 20,300 plus or minus 6,100 kilometers per year for the October ice extents. On a yearly average basis, for 1979-2007 the Ross Sea ice extent increased at a rate of 4.8 plus or minus 1.6 % per decade. Placing the Ross Sea in the context of the Southern Ocean as a whole, over the November 1978-December 2007 period the Ross Sea had the highest rate of increase in sea ice coverage of any of five standard divisions of the Southern Ocean, although the Weddell Sea, Indian Ocean, and Western Pacific Ocean all also had sea ice increases, while only the Bellingshausen/Smundsen Seas experienced overall sea ice decreases. Overall, the Southern Ocean sea ice cover increased at an average rate of 10,800 plus or minus 2,500 square kilometers per year between November 1978 and December 2007, with every month showing positive values although with some of these values not being statistically significant. The sea ice increase since November 1978 was preceded by a sharp decrease in Southern Ocean ice coverage in the 1970's and is in marked contrast to the decrease in Arctic sea ice coverage that has occurred both in the period since November 1978 and since earlier in the 1970's. On a yearly average bases, for 1979-2007 the Southern Ocean sea ice extent increased at a rate of 1.0 plus or minus 0.4% per decade, whereas the Arctic ice extent decreased at the much greater rate of 4.0 plus or minus 0.4 percent per decade (closer to the % per decade rate of increase in the Ross Sea). Considerable research is ongoing to explain the differences.
    Keywords: Oceanography
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  • 44
    Publication Date: 2019-07-12
    Description: Continental shelves are believed to play a major role in carbon cycling due to their high productivity. Particulate organic carbon (POC) burial has been included in models as a carbon sink, but we show here that seasonally produced dissolved organic carbon (DOC) on the shelf can be exported to the open ocean by horizontal transport at similar rates (1-2 mol C/sq m/yr) in the southern U.S. Mid-Atlantic Bight (MAB). The dissolved organic matter (DOM) model imbedded in a coupled circulation-biogeochemical model reveals a double dynamics: the progressive release of dissolved organic nitrogen (DON) in the upper layer during summer increases the regenerated primary production by 30 to 300%, which, in turns ; enhances the DOC production mainly from phytoplankton exudation in the upper layer and solubilization of particulate organic matter (POM) deeper in the water column. This analysis suggests that DOM is a key element for better representing the ecosystem functioning and organic fluxes in models because DOM (1) is a major organic pool directly related to primary production, (2) decouples partially the carbon and nitrogen cycles (through carbon excess uptake, POM solubilization and DOM mineralization) and (3) is intimately linked to the residence time of water masses for its distribution and export.
    Keywords: Oceanography
    Type: NASA/TM-2009-214177 , 200900837
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  • 45
    Publication Date: 2019-07-12
    Description: A very strong and persistent phytoplankton bloom was observed by ocean color satellites during September - December 2003 along the northern Patagonian shelf. The 2003 bloom had the highest extent and chlorophyll a (Chl-a) concentrations of the entire Sea-viewing Wide Field-of-view Sensor (SeaWiFS) period (1997 to present). SeaWiFS-derived Chl-a exceeded 20 mg/cu m in November at the bloom center. The bloom was most extensive in December when it spanned more than 300 km across the shelf and nearly 900 km north-south (35degS to 43degS). The northward reach and the deep penetration on the shelf of the 2003 bloom were quite anomalous when compared with other years, which showed the bloom more confined to the Patagonian shelf break (PSB). The PSB bloom is a conspicuous austral spring-summer feature detected by ocean color satellites and its timing can be explained using the Sverdrup critical depth theory. Based on high-resolution numerical simulations, in situ and remote sensing data, we provide some suggestions for the probable mechanisms responsible for that large interannual change of biomass as seen by ocean color satellites. Potential sources of macro and micro (e.g., Fe) nutrients that sustain the high phytoplankton productivity of the Patagonian shelf waters are identified, and the most likely physical processes that maintain the nutrient balance in the region are discussed.
    Keywords: Oceanography
    Type: NASA/TM-2009-214176 , 200900836
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  • 46
    Publication Date: 2019-07-12
    Description: HICO and RAIDS Experiment Payload - Hyperspectral Imager For The Coastal Ocean (HREP-HICO) will operate a visible and near-infrared (VNIR) Maritime Hyperspectral Imaging (MHSI) system, to detect, identify and quantify coastal geophysical features from the International Space Station.
    Keywords: Oceanography
    Type: JSC-17962-18
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  • 47
    Publication Date: 2019-07-19
    Description: After the successful Coastal Zone Color Scanner (CZCS, 1978-1986), demonstration that quantitative estimations of geophysical variables such as chlorophyll a and diffuse attenuation coefficient could be derived from top of the atmosphere radiances, a number of international missions with ocean color capabilities were launched beginning in the late 1990s. Most notable were those with global data acquisition capabilities, i.e., the Ocean Color and Temperature Sensor (OCTS 1996-1997), the Sea-viewing Wide Field-of-view Sensor (SeaWiFS, United States, 1997-present), two Moderate Resolution Imaging Spectroradiometers, (MODIS, United States, Terra/2000-present and Aqua/2002-present), the Global Imager (GLI, Japan, 2002-2003), and the Medium Resolution Imaging Spectrometer (MERIS, European Space Agency, 2002-present). These missions have provided data of exceptional quality and continuity, allowing for scientific inquiries into a wide variety of marine research topics not possible with the CZCS. This review focuses on the scientific advances made over the past decade using these data sets.
    Keywords: Oceanography
    Type: Annual Review of Marine Science (ISSN 1941-1405); 1; 19
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  • 48
    Publication Date: 2019-07-19
    Description: Assimilation systems synthesize diverse in-situ and satellite data streams into full four-dimensional state estimates by combining the strengths of each data set and also of the model. The resulting analysis provides an integrated view of the information in the various observations as well as derived estimates of unobserved quantities. Assimilation systems are particularly important for the ocean where subsurface observations, even today, are sparse and intermittent compared with the scales needed to represent ocean variability and where satellites only sense the surface. Increasingly, models and assimilation systems are being used to provide information about the current observing system and to help in the design plans for new observations. Whether it is as a user of observations or a contributor to evaluation of the observing system, ocean synthesis and assimilation systems are now an integral part of the global ocean observing and information system. Major advances have been made over the last decade under the auspices of WCRP's Climate Variability and Predictability Project (CLIVAR) and the Global Ocean Data Assimilation Experiment (GODAE). In addition to advances in the assimilation systems, there have been major developments in the observing system, with satellite altimetry, the tropical moored buoy arrays in the Pacific and Atlantic, and more recently Argo. These developments have led to significant advances in our understanding and prediction of ocean variations at both mesoscale and climate scales. Many challenges remain. Some of these challenges lie in the observations themselves, some in the assimilation systems that, even in the more recent era of unprecedented observations from satellite altimetry and Argo, provide different views of climate variations. Yet there are many examples of successful applications from ocean assimilation products. Use of these systems for assessing the observing system helps identify the strengths of each observation type, and indicates that none of the current observations is redundant. Indeed, the indication is that the ocean remains under-sampled and that further improvements in the observing system are needed for both climate monitoring and prediction. Future developments will be increasingly towards consistent analyses across components of the Earth system using, e.g., coupled atmosphere-ocean models.
    Keywords: Oceanography
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  • 49
    Publication Date: 2019-07-19
    Description: Alabama coastal systems have been subjected to increasing pressure from a variety of activities including urban and rural development, shoreline modifications, industrial activities, and dredging of shipping and navigation channels. The impacts on coastal ecosystems are often observed through the use of indicator species. One such indicator species for aquatic ecosystem health is submerged aquatic vegetation (SAV). Watershed and hydrodynamic modeling has been performed to evaluate the impact of land use change in Mobile and Baldwin counties on SAV stressors and controlling factors (temperature, salinity, and sediment) in Mobile Bay. Watershed modeling using the Loading Simulation Package in C++ (LSPC) was performed for all watersheds contiguous to Mobile Bay for land use scenarios in 1948, 1992, 2001, and 2030. Landsat-derived National Land Cover Data (NLCD) were used in the 1992 and 2001 simulations after having been reclassified to a common classification scheme. The Prescott Spatial Growth Model was used to project the 2030 land use scenario based on current trends. The LSPC model simulations provided output on changes in flow, temperature, and sediment for 22 discharge points into the Bay. Theses results were inputted in the Environmental Fluid Dynamics Computer Code (EFDC) hydrodynamic model to generate data on changes in temperature, salinity, and sediment on a grid with four vertical profiles throughout Mobile Bay. The changes in the aquatic ecosystem were used to perform an ecological analysis to evaluate the impact on SAV habitat suitability. This is the key product benefiting the Mobile Bay coastal environmental managers that integrates the influences of temperature, salinity, and sediment due to land use driven flow changes with the restoration potential of SAVs.
    Keywords: Oceanography
    Type: M09-0611 , 23rd Alabama Water Resources Conference and AWRA Symposium; Sep 09, 2009 - Sep 11, 2009; Orange Beach, AL; United States
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  • 50
    Publication Date: 2021-05-19
    Description: During april 1995 hydrochemical research in a vertical column on the east side of the Galápagos Islands (Cruise T95/04/01) onboard of the INP R/V Tohallí indicated that concentrations of ammonium, nitrate, phosphate and chlorophyll-a were found stratified from the surface to deeper layers, on the other hand the maximum levels of nitrite and silicate were detected 70 m below the thermocline. The apparent oxygen use (AOU) varied from 1 to over 3 below the thermocline, this would indicate an oxidating environment due to the high levels of nitrate, phosphate, silicate and low concentrations of dissolved Oxygen (ca. 90-134[µM]) and ammonium (〈0,1[µM]). According to the high salinity average (35,0 ups), nutritive elements (nitrate 15,6 [µM], silicate 13,1 [µM]), phosphate 1,3 [µM]) and low average of chlorophyll-a 0,15 mg.m³, and in addition the general gradient of these parameters would suggest the presence of an upwelling event, whose nucleus presented low biological activity.
    Description: Published
    Keywords: Chemical composition ; Oceanography ; Chemical composition ; Oceanography ; Upwelling ; Oceanic islands
    Repository Name: AquaDocs
    Type: Journal Contribution
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  • 51
    Publication Date: 2021-05-19
    Description: L’étude porte sur l’évolution du pH et de la température au cours de la transformation artisanale du Cymbium, ainsi que sur les perspectives de valorisation du produit transformé. Les expérimentations menées au site de transformation artisanale de Joal ont permis de constater que : Après 12 heures de séjour en bac (1ère nuit), le Cymbium est encore en phase de rigor mortis. Le pH moyen affiché à l’issue de cette première nuit est de 7,6 ; donc proche de celui du mollusque vivant ; Le pH moyen du produit fini est légèrement acide et se situe entre 6,3 et 6,4. Donc le yeet de Joal est très peu fermenté ; Les difficultés de séchage notées sont dues : soit au manque de maîtrise des paramètres tels que, la température, l’humidité relative et la vitesse de l’air, soit à l’absence de protection du produit en cours de séchage contre les intempéries. Les essais sur les perspectives de valorisation montrent que : 47,64% du poids du Cymbium dépourvu de sa coquille font l’objet de rejets sous forme de rebuts (surtout en milieu industriel) ; Les enzymes végétales que sont, la bromélaïne, contenue dans le jus d’ananas, et la papaïne, contenue dans le latex de papaye, ainsi que les acides organiques contenus dans le vinaigre et le jus de citron, favorisent l’acidification et accélèrent la fermentation, tout en améliorant le goût, l’odeur et la texture du produit fini ; Les meilleurs résultats sont obtenus dans le cas de la fermentation sous température contrôlée, au laboratoire, où le pH du produit fini se situe entre 4,3 et 4,7. Enfin, sur l’ensemble de l’étude, il est prouvé que les rendements obtenus pour les produits ayant subi un processus de transformation complète (dans le cas des essais sur les perspectives de valorisation) sont faibles par rapport à ceux transformés à Joal. Ces rendements vont de : 2,88 à 28,57% pour le premier groupe de produits ct 31,4 à 58,3% pour le second groupe de produits.
    Description: Université Cheikh Anta Diop, Institut Universitaire de Pêche et d'Aquaculture, Dakar (Senegal)
    Description: Unpublished
    Description: cymbium; transformation artisanale; biologie; commercialisation; fermentation; séchage; température; pH; statistiques
    Keywords: pH ; Marketing ; Biology ; Fermentation ; Drying ; Temperature ; Processing fishery products ; Fermentation ; Biology ; Marketing ; Drying ; Temperature ; Statistics
    Repository Name: AquaDocs
    Type: Theses and Dissertations , Bachelor thesis
    Format: 132
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  • 52
    Publication Date: 2022-05-25
    Description: The Ocean Reference Station at 20°S, 85°W under the stratus clouds west of northern Chile is being maintained to provide ongoing climate-quality records of surface meteorology; air-sea fluxes of heat, freshwater, and momentum; and of upper ocean temperature, salinity, and velocity variability. The Stratus Ocean Reference Station (ORS Stratus) is supported by the National Oceanic and Atmospheric Administration’s (NOAA) Climate Observation Program. It is recovered and redeployed annually, with cruises that have come between October and December. During the 2008 cruise on the NOAA ship Ronald H. Brown to the ORS Stratus site, the primary activities were recovery of the Stratus 8 WHOI surface mooring that had been deployed in October 2007, deployment of a new (Stratus 9) WHOI surface mooring at that site; in-situ calibration of the buoy meteorological sensors by comparison with instrumentation put on board by staff of the NOAA Earth System Research Laboratory (ESRL); and observations of the stratus clouds and lower atmosphere by NOAA ESRL. A buoy for the Pacific tsunami warning system was also serviced in collaboration with the Hydrographic and Oceanographic Service of the Chilean Navy (SHOA). The DART (Deep-Ocean Assessment and Reporting of Tsunami) carries IMET sensors and subsurface oceanographic instruments. A DART II buoy was deployed north of the STRATUS buoy, by personnel from the National Data Buoy Center (NDBC) Argo floats and drifters were launched, and CTD casts carried out during the cruise. The ORS Stratus buoys are equipped with two Improved Meteorological (IMET) systems, which provide surface wind speed and direction, air temperature, relative humidity, barometric pressure, incoming shortwave radiation, incoming longwave radiation, precipitation rate, and sea surface temperature. Additionally, the Stratus 8 buoy received a partial CO2 detector from the Pacific Marine Environmental Laboratory (PMEL). IMET data are made available in near real time using satellite telemetry. The mooring line carries instruments to measure ocean salinity, temperature, and currents. The ESRL instrumentation used during the 2008 cruise included cloud radar, radiosonde balloons, and sensors for mean and turbulent surface meteorology. Finally, the cruise hosted a teacher participating in NOAA’s Teacher at Sea Program.
    Description: Funding was provided by the National Oceanic and Atmospheric Administration under Grant No. NA17RJ1223 for the Cooperative Institute for Climate and Ocean Research (CICOR).
    Keywords: Ronald H. Brown (Ship) Cruise RB08-06 ; Marine meteorology ; Oceanography
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
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  • 53
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    Massachusetts Institute of Technology and Woods Hole Oceanographic Institution
    Publication Date: 2022-05-25
    Description: Submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy at the Massachusetts Institute of Technology and the Woods Hole Oceanographic Institution February 2009.
    Description: This thesis examines the nature of eddy-mean flow interactions in western boundary current jets and recirculation gyre dynamics from both theoretical and observational perspectives. It includes theoretical studies of eddy-mean flow interactions in idealized configurations relevant to western boundary current jet systems, namely (i) a study of the mechanism by which eddies generated from a localized forcing drive mean recirculation gyres through the process of nonlinear rectification; and (ii) a study of the role of eddies in the downstream evolution of a baroclinic jet subject to mixed instabilities. It also includes an observational analysis to characterize eddy-mean flow interactions in the Kuroshio Extension using data from the downstream location of maximum eddy kinetic energy in the jet. New insights are presented into a rectification mechanism by which eddies drive the recirculation gyres observed in western boundary current systems. Via this mechanism, eddies drive the recirculations by an up-gradient eddy potential vorticity flux inside a localized region of eddy activity. The effectiveness of the process depends on the properties of the energy radiation from the region, which in turn depends on the population of waves excited. In the zonally-evolving western boundary current jet, eddies also act to stabilize the unstable jet through down-gradient potential vorticity fluxes. In this configuration, the role of eddies depends critically on their downstream location relative to where the unstable time-mean jet first becomes stabilized by the eddy activity. The zonal advection of eddy activity from upstream of this location is fundamental to the mechanism permitting the eddies to drive the mean flows. Observational results are presented that provide the first clear evidence of a northern recirculation gyre in the Kuroshio Extension, as well as support for the hypothesis that the recirculations are, at least partially, eddy-driven. Support for the idealized studies’ relevance to the oceanic regime is provided both by indications that various model simplifications are appropriate to the observed system, as well as by demonstrated consistencies between model predictions and observational results in the downstream development of time-mean and eddy properties.
    Description: Funding was for this research and my education was provided by the MIT Presidential Fellowship and NSF grants OCE-0220161 and OCE-0825550. The financial assistance of the Houghton Fund, the MIT Student Assistance Fund, and WHOI Academic Programs is also gratefully acknowledged.
    Keywords: Ocean currents ; Oceanography
    Repository Name: Woods Hole Open Access Server
    Type: Thesis
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  • 54
    Publication Date: 2021-05-19
    Description: The document provides information on the activity of the WDC Oceanography (RIHMI-WDC, Obninsk) during the intersessional 2006-2008 period. The issues of data and metadata management, long-term archival and user services are presented in brief. The first actions to meet the requirements of ICSU on transition of World Data Centres to the World Data System also are considered.
    Description: Supported by IOC/IODE
    Description: Document available in English.
    Keywords: Data ; Oceanography ; Data ; Oceanography
    Repository Name: AquaDocs
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  • 55
    Publication Date: 2022-05-26
    Description: The emphasis in this year's GFD program has been somewhat different from the past. We have tried to expose a theoretically oriented audience to the new body of observations pertaining to the Arctic and Antarctic circulation. We have, however, not departed from our traditional goal of encouraging broad based inquiries into the field of Geophysical Fluid Dynamics. We would like to believe that the breadth of interest and enthusiasm exhibited in these reports will stimulate future work in Polar Oceanography and Fluid Dynamics.
    Description: Office of Naval Research under Contract N00014-79-C-0671
    Keywords: Ocean circulation ; Oceanography
    Repository Name: Woods Hole Open Access Server
    Type: Technical Report
    Format: application/pdf
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  • 56
    Publication Date: 2008-06-27
    Description: Roughly 60% of the Earth's outer surface is composed of oceanic crust formed by volcanic processes at mid-ocean ridges. Although only a small fraction of this vast volcanic terrain has been visually surveyed or sampled, the available evidence suggests that explosive eruptions are rare on mid-ocean ridges, particularly at depths below the critical point for seawater (3,000 m). A pyroclastic deposit has never been observed on the sea floor below 3,000 m, presumably because the volatile content of mid-ocean-ridge basalts is generally too low to produce the gas fractions required for fragmenting a magma at such high hydrostatic pressure. We employed new deep submergence technologies during an International Polar Year expedition to the Gakkel ridge in the Arctic Basin at 85 degrees E, to acquire photographic and video images of 'zero-age' volcanic terrain on this remote, ice-covered ridge. Here we present images revealing that the axial valley at 4,000 m water depth is blanketed with unconsolidated pyroclastic deposits, including bubble wall fragments (limu o Pele), covering a large (〉10 km(2)) area. At least 13.5 wt% CO(2) is necessary to fragment magma at these depths, which is about tenfold the highest values previously measured in a mid-ocean-ridge basalt. These observations raise important questions about the accumulation and discharge of magmatic volatiles at ultraslow spreading rates on the Gakkel ridge and demonstrate that large-scale pyroclastic activity is possible along even the deepest portions of the global mid-ocean ridge volcanic system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sohn, Robert A -- Willis, Claire -- Humphris, Susan -- Shank, Timothy M -- Singh, Hanumant -- Edmonds, Henrietta N -- Kunz, Clayton -- Hedman, Ulf -- Helmke, Elisabeth -- Jakuba, Michael -- Liljebladh, Bengt -- Linder, Julia -- Murphy, Christopher -- Nakamura, Ko-Ichi -- Sato, Taichi -- Schlindwein, Vera -- Stranne, Christian -- Tausenfreund, Maria -- Upchurch, Lucia -- Winsor, Peter -- Jakobsson, Martin -- Soule, Adam -- England -- Nature. 2008 Jun 26;453(7199):1236-8. doi: 10.1038/nature07075.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Woods Hole Oceanographic Institution, Woods Hole, Massachusetts 02543, USA. rsohn@whoi.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18580949" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arctic Regions ; Geography ; Oceanography ; Oceans and Seas ; Porifera ; Seawater ; Volcanic Eruptions/*statistics & numerical data
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 57
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    Unknown
    Nature Publishing Group (NPG)
    Publication Date: 2008-03-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schrope, Mark -- England -- Nature. 2008 Mar 6;452(7183):24-6. doi: 10.1038/452024a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18322500" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Dinoflagellida/*growth & development/metabolism ; *Ecosystem ; Eutrophication/*physiology ; Florida ; Nitrogen/metabolism ; Oceanography
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 58
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 2008-11-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Enserink, Martin -- New York, N.Y. -- Science. 2008 Nov 21;322(5905):1184-5. doi: 10.1126/science.322.5905.1184.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19023058" target="_blank"〉PubMed〈/a〉
    Keywords: Academies and Institutes/economics/*history ; Biology ; History, 20th Century ; Pathology ; Romania
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 59
    Publication Date: 2008-03-22
    Description: Minerals are more complex than previously thought because of the discovery that their chemical properties vary as a function of particle size when smaller, in at least one dimension, than a few nanometers, to perhaps as much as several tens of nanometers. These variations are most likely due, at least in part, to differences in surface and near-surface atomic structure, as well as crystal shape and surface topography as a function of size in this smallest of size regimes. It has now been established that these variations may make a difference in important geochemical and biogeochemical reactions and kinetics. This recognition is broadening and enriching our view of how minerals influence the hydrosphere, pedosphere, biosphere, and atmosphere.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hochella, Michael F Jr -- Lower, Steven K -- Maurice, Patricia A -- Penn, R Lee -- Sahai, Nita -- Sparks, Donald L -- Twining, Benjamin S -- New York, N.Y. -- Science. 2008 Mar 21;319(5870):1631-5. doi: 10.1126/science.1141134.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for NanoBioEarth, Department of Geosciences, Virginia Polytechnic Institute and State University (Virginia Tech), Blacksburg, VA 24061-0420, USA. hochella@vt.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18356515" target="_blank"〉PubMed〈/a〉
    Keywords: Atmosphere ; Biology ; Geologic Sediments/chemistry ; Humans ; *Minerals/chemistry/metabolism ; *Nanoparticles ; Oceans and Seas ; Particle Size ; Solubility ; Thermodynamics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 60
    Publication Date: 2008-07-05
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schaefer, Mark -- Baker, D James -- Gibbons, John H -- Groat, Charles G -- Kennedy, Donald -- Kennel, Charles F -- Rejeski, David -- New York, N.Y. -- Science. 2008 Jul 4;321(5885):44-5. doi: 10.1126/science.1160192.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18599760" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Atmosphere ; Biodiversity ; Conservation of Natural Resources ; Ecology ; Fresh Water ; Geological Phenomena ; Geology ; Oceanography ; Oceans and Seas ; *Public Policy ; United States ; United States Government Agencies/*organization & administration
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 61
    Publication Date: 2018-06-11
    Description: We demonstrate that sea ice motion in summer can be derived reliably from the 18GHz channel of the AMSR-E instrument on the EOS Aqua platform. The improved spatial resolution of this channel with its lower sensitivity to atmospheric moisture seems to have alleviated various issues that have plagued summer motion retrievals from shorter wavelength observations. Two spatial filters improve retrieval quality: one reduces some of the microwave signatures associated with synoptic-scale weather systems and the other removes outliers. Compared with daily buoy drifts, uncertainties in motion are approx.3-4 km/day. Using the daily motion fields, we examine five years of summer ice area exchange between the Pacific and Atlantic sectors of the Arctic Ocean. With the sea-level pressure patterns during the summer of 2006 and 2007 favoring the export of sea ice into the Atlantic Sector, the regional outflow is approx.21% and approx.15% of the total sea ice retreat in the Pacific sector.
    Keywords: Oceanography
    Type: Geophysical Research Letters; Volume 35
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  • 62
    Publication Date: 2018-06-12
    Description: High- and low-resolution sea surface temperature (SST) analysis products are used to initialize the Weather Research and Forecasting (WRF) Model for May 2004 for short-term forecasts over Florida and surrounding waters. Initial and boundary conditions for the simulations were provided by a combination of observations, large-scale model output, and analysis products. The impact of using a 1-km Moderate Resolution Imaging Spectroradiometer (MODIS) SST composite on subsequent evolution of the marine atmospheric boundary layer (MABL) is assessed through simulation comparisons and limited validation. Model results are presented for individual simulations, as well as for aggregates of easterly- and westerly-dominated low-level flows. The simulation comparisons show that the use of MODIS SST composites results in enhanced convergence zones. earlier and more intense horizontal convective rolls. and an increase in precipitation as well as a change in precipitation location. Validation of 10-m winds with buoys shows a slight improvement in wind speed. The most significant results of this study are that 1) vertical wind stress divergence and pressure gradient accelerations across the Florida Current region vary in importance as a function of flow direction and stability and 2) the warmer Florida Current in the MODIS product transports heat vertically and downwind of this heat source, modifying the thermal structure and the MABL wind field primarily through pressure gradient adjustments.
    Keywords: Oceanography
    Type: Monthly Weather Review; Volume 136; Issue 4; 1349-1372
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  • 63
    Publication Date: 2018-06-06
    Description: Analysis of Arctic sea ice extents derived from satellite passive-microwave data for the 28 years, 1979-2006 yields an overall negative trend of -45,100 +/- 4,600 km2/yr (-3.7 +/- 0.4%/decade) in the yearly averages, with negative ice-extent trends also occurring for each of the four seasons and each of the 12 months. For the yearly averages the largest decreases occur in the Kara and Barents Seas and the Arctic Ocean, with linear least squares slopes of -10,600 +/- 2,800 km2/yr (-7.4 +/- 2.0%/decade) and -10,100 +/- 2,200 km2/yr (-1.5 +/- 0.3%/decade), respectively, followed by Baffin Bay/Labrador Sea, with a slope of -8,000 +/- 2,000 km2/yr) -9.0 +/- 2.3%/decade), the Greenland Sea, with a slope of -7,000 +/- 1,400 km2/yr (-9.3 +/- 1.9%/decade), and Hudson Bay, with a slope of -4,500 +/- 900 km2/yr (-5.3 +/- 1.1%/decade). These are all statistically significant decreases at a 99% confidence level. The Seas of Okhotsk and Japan also have a statistically significant ice decrease, although at a 95% confidence level, and the three remaining regions, the Bering Sea, Canadian Archipelago, and Gulf of St. Lawrence, have negative slopes that are not statistically significant. The 28-year trends in ice areas for the Northern Hemisphere total are also statistically significant and negative in each season, each month, and for the yearly averages.
    Keywords: Oceanography
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  • 64
    Publication Date: 2018-06-06
    Description: There is growing recognition that rigorous skill assessment is required to understand the ability of ocean biological models to represent ocean processes and distributions. Statistical analysis of model results with observations represents the most quantitative form of skill assessment, and this principle serves as well for data assimilation models. However, skill assessment for data assimilation requires special consideration. This is because there are three sets of information in the free-run model, data, and the assimilation model, which uses Data assimilation information from both the flee-run model and the data. Intercom parison of results among the three sets of information is important and useful for assessment, but is not conclusive since the three information sets are intertwined. An independent data set is necessary for an objective determination. Other useful measures of ocean biological data assimilation assessment include responses of unassimilated variables to the data assimilation, performance outside the prescribed region/time of interest, forecasting, and trend analysis. Examples of each approach from the literature are provided. A comprehensive list of ocean biological data assimilation and their applications of skill assessment, in both ecosystem/biogeochemical and fisheries efforts, is summarized.
    Keywords: Oceanography
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  • 65
    Publication Date: 2018-06-06
    Description: The dynamical state of the ocean and atmosphere is taken to be a large dimensional random vector in a range of large-scale computational applications, including data assimilation, ensemble prediction, sensitivity analysis, and predictability studies. In each of these applications, numerical evolution of the covariance matrix of the random state plays a central role, because this matrix is used to quantify uncertainty in the state of the dynamical system. Since atmospheric and ocean dynamics are nonlinear, there is no closed evolution equation for the covariance matrix, nor for the mean state. Therefore approximate evolution equations must be used. This article studies theoretical properties of the evolution equations for the mean state and covariance matrix that arise in the second-moment closure approximation (third- and higher-order moment discard). This approximation was introduced by EPSTEIN [1969] in an early effort to introduce a stochastic element into deterministic weather forecasting, and was studied further by FLEMING [1971a,b], EPSTEIN and PITCHER [1972], and PITCHER [1977], also in the context of atmospheric predictability. It has since fallen into disuse, with a simpler one being used in current large-scale applications. The theoretical results of this article make a case that this approximation should be reconsidered for use in large-scale applications, however, because the second moment closure equations possess a property of energetic consistency that the approximate equations now in common use do not possess. A number of properties of solutions of the second-moment closure equations that result from this energetic consistency will be established.
    Keywords: Oceanography
    Type: Prepared for Handbook of Numerical Analysis: Special Volume on Computational Methods for the Ocean and the Atmosphere, R. Temam and J. Tribbia, eds., Elsevier
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  • 66
    Publication Date: 2018-06-11
    Description: A three-dimensional variational data assimilation scheme for the Regional Ocean Modeling System (ROMS), named ROMS3DVAR, has been described in the work of Li et al. (2008). In this paper, ROMS3DVAR is applied to the central California coastal region, an area characterized by inhomogeneity and anisotropy, as well as by dynamically unbalanced flows. A method for estimating the model error variances from limited observations is presented, and the construction of the inhomogeneous and anisotropic error correlations based on the Kronecker product is demonstrated. A set of single observation experiments illustrates the inhomogeneous and anisotropic error correlations and weak dynamic constraints used. Results are presented from the assimilation of data gathered during the Autonomous Ocean Sampling Network (AOSN) experiment during August 2003. The results show that ROMS3DVAR is capable of reproducing complex flows associated with upwelling and relaxation, as well as the rapid transitions between them. Some difficulties encountered during the experiment are also discussed.
    Keywords: Oceanography
    Type: Journal Of Geophysical Research; Volume 113
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  • 67
    facet.materialart.
    Unknown
    In:  Other Sources
    Publication Date: 2019-07-19
    Description: In situ time series observations have provided a multi-decadal view of long-term changes in ocean biology. These observations are sufficiently reliable to enable discernment of even relatively small changes, and provide continuous information on a host of variables. Their key drawback is their limited domain. Satellite observations from ocean color sensors do not suffer the drawback of domain, and simultaneously view the global oceans. This attribute lends credence to their use in global and regional model validation and data assimilation. We focus on these applications using the NASA Ocean Biogeochemical Model. The enhancement of the satellite data using data assimilation is featured and the limitation of tongterm satellite data sets is also discussed.
    Keywords: Oceanography
    Type: Ocean Carbon and Biogeochemistry Summer Science Workshop; Jul 21, 2008 - Jul 24, 2008; Massachusetts; United States
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  • 68
    Publication Date: 2019-07-19
    Description: The Rapid Prototyping Capability (RPC) node at NASA Stennis Space Center, MS, was used to simulate NASA next-generation sensor imagery over well-known coral reef areas: Looe Key, FL, and Kaneohe Bay, HI. The objective was to assess the degree to which next-generation sensor systems-the Visible/Infrared Imager/Radiometer Suite (VIIRS) and the Landsat Data Continuity Mission (LDCM)- might provide key input to the National Oceanographic and Atmospheric Administration (NOAA) Integrated Coral Observing Network (ICON)/Coral Reef Early Warning System (CREWS) Decision Support Tool (DST). The DST data layers produced from the simulated imagery concerned water quality and benthic classification map layers. The water optical parameters of interest were chlorophyll (Chl) and the absorption coefficient (a). The input imagery used by the RPC for simulation included spaceborne (Hyperion) and airborne (AVIRIS) hyperspectral data. Specific field data to complement and aid in validation of the overflight data was used when available. The results of the experiment show that the next-generation sensor systems are capable of providing valuable data layer resources to NOAA s ICON/CREWS DST.
    Keywords: Oceanography
    Type: SSTI-2220-0128 , 2008 Ocean Sciences Meeting; Mar 02, 2008 - Mar 07, 2008; Orlando, Fl; United States
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  • 69
    Publication Date: 2019-07-19
    Description: The Ocean Color component of the Aerosol Robotic Network (AERONET-OC) has been implemented to support long-term satellite ocean color investigations through cross-site consistent and accurate measurements collected by autonomous radiometer systems deployed on offshore fixed platforms. The ultimate purpose of AERONET-OC is the production of standardized measurements performed at different sites with identical measuring systems and protocols, calibrated using a single reference source and method, and processed with the same code. The AERONET-OC primary data product is the normalized water leaving radiance determined at center-wavelengths of interest for satellite ocean color applications, with an uncertainty lower than 5% in the blue-green spectral regions and higher than 8% in the red. Measurements collected at 6 sites counting the northern Adriatic Sea, the Baltic Proper, the Gulf of Finland, the Persian Gulf, and, the northern and southern margins of the Middle Atlantic Bay, have shown the capability of producing quality assured data over a wide range of bio-optical conditions including Case-2 yellow substance- and sedimentdominated waters. This work briefly introduces network elements like: deployment sites, measurement method, instrument calibration, processing scheme, quality-assurance, uncertainties, data archive and products accessibility. Emphases is given to those elements which underline the network strengths (i.e., mostly standardization of any network element) and its weaknesses (i.e., the use of consolidated, but old-fashioned technology). The work also addresses the application of AERONET-OC data to the validation of primary satellite radiometric products over a variety of complex coastal waters and finally provides elements for the identification of new deployment sites most suitable to support satellite ocean color missions.
    Keywords: Oceanography
    Type: Ocean Optics 19th; Oct 06, 2008 - Oct 10, 2008; Tuscany; Italy
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  • 70
    Publication Date: 2019-07-19
    Description: Ocean surface turbulent and radiative fluxes are critical links in the climate system since they mediate energy exchange between the two fluid systems (ocean and atmosphere) whose combined heat transport determines the basic character of Earth's climate. Moreover, interannual to decadal climate variability depends crucially on the nature of these exchange processes. For example, addressing the question of the degree to which the global hydrologic cycle is changing depends on our ability to observe and model these fluxes accurately. In this work we investigate the interannual to decadal variation of fluxes over the global tropics, especially the tropical oceans. Recent versions of satellite-derived fresh water flux estimates as well as some reanalyses (e.g. products from Remote Sensing Systems, the Woods Hole Oceanographic Institute, and Global Precipitation Climatology Project) suggest that increases in evaporation and precipitation over the past 20 years exceed those expected on the basis of climate model projected responses to greenhouse gas forcing. At the same time, it is well known that E1 Nino / Southern Oscillation behavior in the Pacific exhibits significant variability at scales longer than interannual. We examine here the degree to which surface fluxes attending these interannual to decadal fluctuations are related to ENSO. We examine consistency between these data sets and explore relationships between SST variations, flux changes and modulation of tropical Walker and Hadley circulations.
    Keywords: Oceanography
    Type: Spring American Geophysical Union Meeting; May 27, 2008 - May 30, 2008; Fort Lauderdale, Fl; United States
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  • 71
    Publication Date: 2019-08-26
    Description: The authors investigate the nature of the interannual variability of the meridional overturning circulation (MOC) of the North Atlantic Ocean using an Estimating the Circulation and Climate of the Ocean (ECCO) assimilation product for the period of 1993-2003. The time series of the first empirical orthogonal function of the MOC is found to be correlated with the North Atlantic Oscillation (NAO) index, while the associated circulation anomalies correspond to cells extending over the full ocean depth. Model sensitivity experiments suggest that the wind is responsible for most of this interannual variability, at least south of 40(deg)N. A dynamical decomposition of the meridional streamfunction allows a further look into the mechanisms. In particular, the contributions associated with 1) the Ekman flow and its depth-independent compensation, 2) the vertical shear flow, and 3) the barotropic gyre flowing over zonally varying topography are examined. Ekman processes are found to dominate the shorter time scales (1.5-3 yr), while for longer time scales (3-10 yr) the MOC variations associated with vertical shear flow are of greater importance. The latter is primarily caused by heaving of the pycnocline in the western subtropics associated with the stronger wind forcing. Finally, how these changes in the MOC affect the meridional heat transport (MHT) is examined. It is found that overall, Ekman processes explain a larger part of interannual variability (3-10 yr) for MHT (57%) than for the MOC (33%).
    Keywords: Oceanography
    Type: Journal of Physical Oceanography; 38; 2; 467-480
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  • 72
    Publication Date: 2019-07-13
    Description: Coral reefs are some of the most biologically rich and economically important ecosystems on Earth. Coral reefs are Earth's largest biological structures and have taken thousands of years to form. Coral reefs not only provide important habitat for many marine animals and plants, but they also provide humanity with food, jobs, chemicals, protection against storms, and life-saving pharmaceuticals. Severe bleaching events have occurred that have dramatic long-term ecological impacts to corals, including loss of reef-building corals, changes in benthic habitat, and, in some cases, changes in larval fish populations (Holden and Ledrew, 1998). Some researchers suggest that 10 percent of Earth s coral reefs have already been destroyed and that another 60 percent are in danger. Scientists have proposed that as much as 95 percent of Jamaica's reefs are dying or dead. This poster reports on a Rapid Prototyping Capability (RPC) experiment done to determine whether future NASA sensors - the Visible/Infrared Imager/Radiometer Suite (VIIRS) and Landsat Data Continuity Mission (LDCM) - could generate key data products for the Integrated Coral Reef Observation Network (ICON)/Coral Reef Early Warning System (CREWS) Decision Support Tool (DST) operated by the National Oceanic and Atmospheric Administration (NOAA).
    Keywords: Oceanography
    Type: SSTI-2220-0137 , 11th International Coral Reef Symposium (Poster); Jul 07, 2008 - Jul 11, 2008; Fort Lauderdale, FL; United States
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  • 73
    Publication Date: 2019-07-13
    Description: Knowledge of global oceanic tides has markedly advanced over the last two decades, in no small part because of the near-global measurements provided by satellite altimeters, and especially the long and precise Topex/Poseidon time series e.g. [2]. Satellite altimetry in turn places very severe demands on the accuracy of tidal models. The reason is clear: tides are by far the largest contributor to the variance of sea-surface elevation, so any study of non-tidal ocean signals requires removal of this dominant tidal component. Efforts toward improving models for altimetric tide corrections have understandably focused on deep-water, open-ocean regions. These efforts have produced models thought to be generally accurate to about 2 cm rms. Corresponding tide predictions in shelf and near-coastal regions, however, are far less accurate. This paper discusses the status of our current abilities to provide near-global tidal predictions in shelf and near-coastal waters, highlights some of the difficulties that must be overcome, and attempts to divine a path toward some degree of progress. There are, of course, many groups worldwide who model tides over fairly localized shallow-water regions, and such work is extremely valuable for any altimeter study limited to those regions, but this paper considers the more global models necessary for the general user. There have indeed been efforts to patch local and global models together, but such work is difficult to maintain over many updates and can often encounter problems of proprietary or political nature. Such a path, however, might yet prove the most fruitful, and there are now new plans afoot to try again. As is well known, tides in shallow waters tend to be large, possibly nonlinear, and high wavenumber. The short spatial scales mean that current mapping capabilities with (multiple) nadir-oriented altimeters often yield inadequate coverage. This necessitates added reliance on numerical hydrodynamic models and data assimilation, which in turn necessitates very accurate bathymetry with high spatial resolution. Nonlinearity means that many additional compound tides and overtides must be accounted for in our predictions, which increases the degree of modeling effort and increases the amounts of data required to disentangle closely aliased tides.
    Keywords: Oceanography
    Type: IGARRS 2008; Jul 09, 2008; Boston, MA; United States
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  • 74
    Publication Date: 2019-07-13
    Description: Forecasting atmospheric and oceanic circulations accurately over the Eastern Mediterranean has proved to be an exceptional challenge. The existence of fine-scale topographic variability (land/sea coverage) and seasonal dynamics variations can create strong spatial gradients in temperature, wind and other state variables, which numerical models may have difficulty capturing. The Hellenic Center for Marine Research (HCMR) is one of the main operational centers for wave forecasting in the eastern Mediterranean. Currently, HCMR's operational numerical weather/ocean prediction model is based on the coupled Eta/Princeton Ocean Model (POM). Since 1999, HCMR has also operated the POSEIDON floating buoys as a means of state-of-the-art, real-time observations of several oceanic and surface atmospheric variables. This study attempts a first assessment at improving both atmospheric and oceanic prediction by initializing a regional Numerical Weather Prediction (NWP) model with high-resolution sea surface temperatures (SST) from remotely sensed platforms in order to capture the small-scale characteristics.
    Keywords: Oceanography
    Type: AMS 88th Annual Meeting; Jan 20, 2008 - Jan 24, 2008; New Orleans, LA; United States
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  • 75
    Publication Date: 2019-07-12
    Description: An apparatus is being developed for sampling water for signs of microbial life in an ocean hydrothermal vent at a depth of as much as 6.5 km. Heretofore, evidence of microbial life in deep-sea hydrothermal vents has been elusive and difficult to validate. Because of the extreme conditions in these environments (high pressures and temperatures often in excess of 300 C), deep-sea hydrothermal- vent samplers must be robust. Because of the presumed low density of biomass of these environments, samplers must be capable of collecting water samples of significant volume. It is also essential to prevent contamination of samples by microbes entrained from surrounding waters. Prior to the development of the present apparatus, no sampling device was capable of satisfying these requirements. The apparatus (see figure) includes an intake equipped with a temperature probe, plus several other temperature probes located away from the intake. The readings from the temperature probes are utilized in conjunction with readings from flowmeters to determine the position of the intake relative to the hydrothermal plume and, thereby, to position the intake to sample directly from the plume. Because it is necessary to collect large samples of water in order to obtain sufficient microbial biomass but it is not practical to retain all the water from the samples, four filter arrays are used to concentrate the microbial biomass (which is assumed to consist of particles larger than 0.2 m) into smaller volumes. The apparatus can collect multiple samples per dive and is designed to process a total volume of 10 L of vent fluid, of which most passes through the filters, leaving a total possibly-microbe-containing sample volume of 200 mL remaining in filters. A rigid titanium nose at the intake is used for cooling the sample water before it enters a flexible inlet hose connected to a pump. As the water passes through the titanium nose, it must be cooled to a temperature that is above a mineral-precipitation temperature of 100 C but below the upper working temperature (230 C) of switching valves and tubes in the apparatus. The sample water then passes into a manifold tube, from whence the switching valves can direct the water through either a bypass tube or any one of the filter arrays, without contamination from a previous sample. Each filter array consists of series of filters having pore sizes decreasing in the direction of flow: 90-, 60-, 15-, and 7-micron prefilters and a large-surface-area 0.2-micron collection filter. All the filter taps are located between the intake and the bypass tube so that each time the bypass tube is used, the entire manifold tube is flushed as well.
    Keywords: Oceanography
    Type: NPO-42617 , NASA Tech Briefs, November 2008; 23
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  • 76
    Publication Date: 2019-07-13
    Description: Spectrally resolved outgoing IR flux, the integrand of the outgoing longwave radiation (OLR), has its unique value in evaluating model simulations. Here we describe an algorithm of deriving such clear-sky outgoing spectral flux through the whole IR region from the collocated Atmospheric Infrared Sounder (AIRS) and the Clouds & the Earth's Radiant Energy System (CERES) measurements over the tropical oceans. Based on the scene types and corresponding angular distribution models (ADMs) used in the CERES Single Satellite Footprint (SSF) dataset, spectrally-dependent ADMs are developed and used to estimate the spectral flux at each AIRS channel. A multivariate linear prediction scheme is then used to estimate spectral fluxes at frequencies not covered by the AIRS instrument. The whole algorithm is validated using synthetic spectra as well as the CERES OLR measurements. Using the GFDL AM2 model simulation as a case study, the application of the derived clear-sky outgoing spectral flux in model evaluation is illustrated. By comparing the observed and simulated spectral flux in 2004, compensating errors in the simulated OLR from different absorption bands can be revealed, so does the errors from frequencies within a given absorption band. Discrepancies between the simulated and observed spatial distributions and seasonal evolutions of the spectral fluxes at different spectral ranges are further discussed. The methodology described in this study can be applied to other surface types as well as cloudy-sky observations and corresponding model evaluations.
    Keywords: Oceanography
    Type: Journal of Geophysical Research; 113
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  • 77
    Publication Date: 2019-07-13
    Description: This viewgraph presentation reviews NASA's work on the project that supports the Gulf of Mexico Alliance (GOMA) Governors Action Plan to monitor the coastal wetlands for saltwater intrusion. The action items that relate to the task are: (1) Obtain information on projected relative sea level rise, subsidence, and storm vulnerability to help prioritize conservation projects, including restoration, enhancement, and acquisition, and (2) Develop and apply ecosystem models to forecast the habitat structure and succession following hurricane disturbance and changes in ecological functions and services that impact vital socio-economic aspects of coastal systems. The objectives of the program are to provide resource managers with remote sensing products that support ecosystem forecasting models requiring salinity and inundation data. Specifically, the proposed work supports the habitat-switching modules in the Coastal Louisiana Ecosystem Assessment and Restoration (CLEAR) model, which provides scientific evaluation for restoration management.
    Keywords: Oceanography
    Type: SSTI-2220-0174 , Mississippi-Alabama Bays and Bayous Symposium 2008; Oct 28, 2008 - Oct 29, 2008; Biloxi, MS; United States
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  • 78
    Keywords: Biology ; Data processing ; Chemistry ; Chemistry, Physical organic ; Materials ; Nanotechnology
    ISBN: 9781402081897
    Language: English
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  • 79
    Keywords: Biochemistry ; Biology ; Data processing ; Biomedical engineering ; Chemistry ; Chemistry, Physical organic ; Materials
    ISBN: 9781402081842
    Language: English
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  • 80
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    Instituto Oceanográfico de la Armada, Guayaquil, Ecuador
    Publication Date: 2021-05-19
    Description: Se analizan parámetros oceanográficos y meteorológicos en el Océano Pacífico Ecuatorial para el período comprendido de noviembre de 1986 a diciembre de 1988. A fines de 1986 y durante 1987 las anomalías de dichos parámetros y su intensidad indican la ocurrencia de un evento Niño de carácter moderado. El fenómeno decae hacia finales de 1987 y durante el año de 1988 se desarrollaron condiciones anómalas contrarias o anti-Niño, que se mantuvieron durante los últimos meses del año.
    Description: Incluye ref.bibl., grafs., tbls.
    Description: Published
    Description: El nino phenomena
    Keywords: Meteorological observations ; Oceanography ; Meteorological data ; Marine meteorology ; Oceanography ; Oceanographic data ; Meteorological data ; Meteorological observations
    Repository Name: AquaDocs
    Type: Journal Contribution , Non-Refereed , Article
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  • 81
    Publication Date: 2021-05-19
    Description: La creciente importancia que los recursos de calamar han adquirido en 105 últimos 30 años, los sitúa actualmente entre los más importantes recursos pesqueros del mundo. En consecuencia, paises tradicionalmente no explotadores o consumidores de productos de calamar, han orientado sus esfuerzos hacia el logro de un mejor conocimiento de las especies de cefalópodos que habitan su ambiente marino. En este sentido el aporte de disciplinas tales como la biología ha sido decisivo para desarrollar en forma exitosa pesquerías de calamar, entre otras.El programa de investigaciones del Instituto Nacional de Pesca para 1980 incluyó el estudio integral de la explotación de los calamares como un primer paso hacia el desarrollo de una pesquería del recurso. Este trabajo presenta los resultados de un estudio de los aspectos biológicos de la especie más importante del área: Illex argentinus y forma parte de una serie de tres documentos técnicos escritos por el autor referentes a recursos de calamar. Dichos documentos están relacionados con la tecnología de captura y la producción y comercialización del calamar en el Uruguay.
    Description: The growing importance of the squid resources during the last 30 years place them among the more important fish resources of the world. Therefore countries traditional1y non exploiters or consumers of squid products gave steps toward a better knowledge of the species of cephalopods inhabiting their marine environment. For instance, the contribution of subjects such as the biology lead to a successful development of squid fisheries, among others. The 1980 research program of the National Fisheries Institute included an integral study of the exploitation of the squids as a first step toward the development of a squid fishery. This paper presents the results of a study on the biological aspects of the principal species of the area: Illex argentinus. It is part of three technical reports written by the author on squid resources. These reports are fishery technology and production & marketing of squids in Uruguay.
    Description: Montevideo: Instituto Nacional de Pesca
    Description: Published
    Description: Illex argentinus, calamar, ZCP, biología, comportamiento, condiciones ambientales, desove, reproducción, relación de sexos, madurez sexual, crecimiento, frecuencia de longitudes, migraciones
    Keywords: Population structure ; Spawning ; Length ; Growth ; Biology ; Environmental conditions ; Spawning grounds ; Sex ratio ; Sexual maturity ; Reproduction ; Behaviour ; Biology ; Environmental conditions ; Population structure ; Spawning ; Spawning grounds ; Sex ratio ; Sexual maturity ; Reproduction ; Length ; Behaviour ; Migrations ; Growth
    Repository Name: AquaDocs
    Type: Report
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  • 82
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    NIOMR
    Publication Date: 2021-05-19
    Description: 35pp, Illus, Pictures.
    Description: A brief history of the achievements of (NIOMR) Nigerian Institute for Oceanography and Marine Research from 1975 to 1995. The mandate and reason for the establishment of the institute in 1975 inclucive.
    Description: NIOMR
    Description: Published
    Keywords: Oceanography ; Marine sciences
    Repository Name: AquaDocs
    Type: Report , Non-Refereed
    Format: 35
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  • 83
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    Massachusetts Institute of Technology and Woods Hole Oceanographic Institution
    Publication Date: 2022-05-25
    Description: Submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy at the Massachusetts Institute of Technology and the Woods Hole Oceanographic Institution February 2008
    Description: The subtidal circulation of the southeast Greenland shelf is described using a set of highresolution hydrographic and velocity transects occupied in summer 2004. The main feature present is the East Greenland Coastal Current (EGCC), a low-salinity, highvelocity jet with a wedge-shaped hydrographic structure characteristic of other surface buoyancy-driven currents. The EGCC was observed along the entire Greenland shelf south of Denmark Strait, while the transect north of the strait showed only a weak shelf flow. This observation, combined with evidence from chemical tracer measurements that imply the EGCC contains a significant Pacific Water signal, suggests that the EGCC is an inner branch of the polar-origin East Greenland Current (EGC). A set of idealized laboratory experiments on the interaction of a buoyant current with a submarine canyon also supported this hypothesis, showing that for the observed range of oceanic parameters, a buoyant current such as the EGC could exhibit both flow across the canyon mouth or into the canyon itself, setting the stage for EGCC formation. Repeat sections occupied at Cape Farewell between 1997 and 2004 show that the alongshelf wind stress can also have a strong influence on the structure and strength of the EGCC and EGC on timescales of 2-3 days. Accounting for the wind-induced effects, the volume transport of the combined EGC/EGCC system is found to be roughly constant (~2 Sv) over the study domain, from 68°N to Cape Farewell near 60°N. The corresponding freshwater transport increases by roughly 60% over this distance (59 to 96 mSv, referenced to a salinity of 34.8). This trend is explained by constructing a simple freshwater budget of the EGCC/EGC system that accounts for meltwater runoff, melting sea-ice and icebergs, and net precipitation minus evaporation. Variability on interannual timescales is examined by calculating the Pacific Water content in the EGC/EGCC from 1984-2004 in the vicinity of Denmark Strait. The PW content is found to correlate significantly with the Arctic Oscillation index, lagged by 9 years, suggesting that the Arctic Ocean circulation patterns bring varying amounts of Pacific Water to the North Atlantic via the EGC/EGCC.
    Description: Funding for the cruise and analysis was provided by National Science Foundation grant OCE-0450658, which along with NSF grant OCE- 0095427 provided funds for my tuition and stipend as well.
    Keywords: Ocean currents ; Oceanography ; James Clark Ross (Ship) Cruise JR105
    Repository Name: Woods Hole Open Access Server
    Type: Thesis
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  • 84
    Publication Date: 2022-05-25
    Description: Author Posting. © Acoustical Society of America, 1998. This article is posted here by permission of Acoustical Society of America for personal use, not for redistribution. The definitive version was published in Journal of the Acoustical Society of America 103 (1998): 330-335, doi:10.1121/1.421092.
    Description: Amplitude and phase fluctuations of monochromatic acoustic signals traveling through diffuse mid-ocean ridge hydrothermal vent plumes are modeled using existing theory in an attempt to find suitable frequencies and path lengths for plume monitoring. Weak-scattering solutions are evaluated numerically, with model parameters adjusted to match observed plume characteristics. Constraints required for weak-scattering solutions to be valid can be met for transmission ranges of 500–2000 m and frequencies of 20–80 kHz. Therefore, because fluid structure and scattering strength are more closely linked for weak scattering than for stronger scattering, inversion for fluid statistical properties may be possible, enabling diffuse vent monitoring. Such monitoring would be subject to geometric assumptions such as transmission entirely within a statistically homogeneous plume. Performance-limiting phase fluctuations have also been computed for a 13–17 kHz geodetic survey system.
    Description: This work was supported by the Woods Hole Oceanographic Institution with research funds provided by the Mellon Foundation.
    Keywords: Underwater sound ; Oceanography ; Acoustic wave scattering ; Seafloor phenomena
    Repository Name: Woods Hole Open Access Server
    Type: Article
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  • 85
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    Massachusetts Institute of Technology and Woods Hole Oceanographic Institution
    Publication Date: 2022-05-25
    Description: Submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy at the Massachusetts Institute of Technology and the Woods Hole Oceanographic Institution August 1980
    Description: Observational evidence of seasonal variability below the main thermocline in the eastern North Atlantic is described, and a theoretical model of oceanic response to seasonally varying windstress forcing is constructed to assist in the interpretation of the observations. The observations are historical conductivity-temperature-depth data from the Bay of Biscay region (2° to 20°W, 42° to 52°N), a series of eleven cruises over the three years 1972 through 1974, spaced approximately three months apart. The analysis of the observations utilizes a new technique for identifying the adiabatically leveled density field corresponding to the observed density field. The distribution of salinity anomaly along the leveled surfaces is examined, as are the vertical displacements of observed density surfaces from the leveled reference surfaces, and the available potential energy. Seasonal variations in salinity anomaly and vertical displacement occur as westward propagating disturbances with zonal wavelength 390 (±50) km, phase 71 (±30) days from 1 January, and maximum amplitudes of ±30 ppm and ±20 db respectively. The leveled density field varies seasonally with an amplitude corresponding to a thermocline displacement of ±15 db. The observations are consistent with the predictions of a model in which an ocean of variable stratification with a surface mixed layer and an eastern boundary is forced by seasonal changes in a sinusoidal windstress pattern, when windstress parameters calculated from the observations of Bunker and Worthington (1976) are applied.
    Description: This work was supported by the Office of Naval Research under contract N00014~76-C-197, NR 083-400.
    Keywords: Oceanography ; Ocean-atmosphere interaction ; Ocean circulation ; Energy budget (Geophysics)
    Repository Name: Woods Hole Open Access Server
    Type: Thesis
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  • 86
    Publication Date: 2022-05-25
    Description: Author Posting. © Acoustical Society of America, 2000. This article is posted here by permission of Acoustical Society of America for personal use, not for redistribution. The definitive version was published in Journal of the Acoustical Society of America 107 (2000): 3073-3083, doi:10.1121/1.429336.
    Description: Six sonic booms, generated by F-4 aircraft under steady flight at a range of altitudes (610–6100 m) and Mach numbers (1.07–1.26), were measured just above the air/sea interface, and at five depths in the water column. The measurements were made with a vertical hydrophone array suspended from a small spar buoy at the sea surface, and telemetered to a nearby research vessel. The sonic boom pressure amplitude decays exponentially with depth, and the signal fades into the ambient noise field by 30–50 m, depending on the strength of the boom at the sea surface. Low-frequency components of the boom waveform penetrate significantly deeper than high frequencies. Frequencies greater than 20 Hz are difficult to observe at depths greater than about 10 m. Underwater sonic boom pressure measurements exhibit excellent agreement with predictions from analytical theory, despite the assumption of a flat air/sea interface. Significant scattering of the sonic boom signal by the rough ocean surface is not detected. Real ocean conditions appear to exert a negligible effect on the penetration of sonic booms into the ocean unless steady vehicle speeds exceed Mach 3, when the boom incidence angle is sufficient to cause scattering on realistic open ocean surfaces.
    Description: This work was funded by the NASA Langley Research Center (Technical Monitor, Dr. Kevin Shepherd).
    Keywords: Shock waves ; Oceanography ; Underwater acoustic propagation
    Repository Name: Woods Hole Open Access Server
    Type: Article
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  • 87
    Publication Date: 2022-05-25
    Description: Author Posting. © Acoustical Society of America, 1995. This article is posted here by permission of Acoustical Society of America for personal use, not for redistribution. The definitive version was published in Journal of the Acoustical Society of America 98 (1995): 2270-2279, doi:10.1121/1.413341.
    Description: Numerically simulated acoustic transmission from a single source of known position (for example, suspended from a ship) to receivers of partially known position (for example, sonobuoys dropped from the air) are used for tomographic mapping of ocean sound speed. The maps are evaluated for accuracy and utility. Grids of 16 receivers are employed, with sizes of 150, 300, and 700 km square. Ordinary statistical measures are used to evaluate the pattern similarity and thus the mapping capability of the system. For an array of 300 km square, quantitative error in the maps grows with receiver position uncertainty. The large and small arrays show lesser mapping capability than the mid-size array. Mapping errors increase with receiver position uncertainty for uncertainties less than 1000-m rms, but uncertainties exceeding that have less systematic effect on the maps. Maps of rms error of the field do not provide a complete view of the utility of the acoustic network. Features of maps are surprisingly reproducible for different navigation error levels, and give comparable information about mesoscale structures despite great variations in those levels.
    Description: This work was supported by Office of Naval Research grants N00014-9l-J-1138 (Arctic Sciences )and N00014-92-I-1162 (Ocean Acoustics).
    Keywords: Accuracy ; Errors ; Mapping ; Oceanography ; Remote sensing ; Simulation ; Tomography ; Wave propagation ; Sound sources ; Sound velocity
    Repository Name: Woods Hole Open Access Server
    Type: Article
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  • 88
    Publication Date: 2022-05-25
    Description: Author Posting. © Acoustical Society of America, 2003. This article is posted here by permission of Acoustical Society of America for personal use, not for redistribution. The definitive version was published in Journal of the Acoustical Society of America 114 (2003): 2685-2697, doi:10.1121/1.1614258.
    Description: Acoustic scattering techniques provide a unique and powerful tool to remotely investigate the physical properties of the ocean interior over large spatial and temporal scales. With high-frequency acoustic scattering it is possible to probe physical processes that occur at the microstructure scale, spanning submillimeter to centimeter scale processes. An acoustic scattering model for turbulent oceanic microstructure is presented in which the current theory, which only accounts for fluctuations in the sound speed, has been extended to include fluctuations in the density as well. The inclusion of density fluctuations results in an expression for the scattering cross section per unit volume, σv, that is explicitly dependent on the scattering angle. By relating the variability in the density and sound speed to random fluctuations in oceanic temperature and salinity, σv has been expressed in terms of the temperature and salinity wave number spectra, and the temperature-salinity co-spectrum. A Batchelor spectrum for temperature and salinity, which depends on parameters such as the dissipation rates of turbulent kinetic energy and temperature variance, has been used to evaluate σv. Two models for the temperature-salinity co-spectrum have also been used. The predictions indicate that fluctuations in the density could be as important in determining backscattering as fluctuations in the sound speed. Using data obtained in the ocean with a high resolution vertical microstructure profiler, it is predicted that scattering from oceanic microstructure can be as strong as scattering from zooplankton.
    Description: This work was supported in part by ONR, NSF, and the Woods Hole Oceanographic Institution.
    Keywords: Acoustic wave scattering ; Underwater acoustic propagation ; Oceanography ; Remote sensing ; Oceanographic techniques
    Repository Name: Woods Hole Open Access Server
    Type: Article
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  • 89
    Publication Date: 2022-05-25
    Description: Author Posting. © Acoustical Society of America, 1996. This article is posted here by permission of Acoustical Society of America for personal use, not for redistribution. The definitive version was published in Journal of the Acoustical Society of America 99 (1996): 822-830, doi:10.1121/1.414563.
    Description: In a recent paper, Lynch et al. used modal and ray based perturbation techniques to compare predicted variances of acoustic travel times due to internal waves to measured variances in the Barents Sea Polar Front experiment [Lynch et al., J. Acoust. Soc. Am. 99, 803–821 (1996)]. One of the interesting results of this work is that the modal and ray travel-time variances are substantially different for rays and modes with the same grazing angle. Specifically, the maximum modal travel-time variance shows a resonant effect in which the variance increases with increasing frequency. Unlike the modal solution, the ray travel-time variance has a geometrically constrained maximum, independent of frequency. In this paper, the linear first-order solutions for the ray and modal variances due to the internal waves are reviewed, and in an Appendix the effects of the linearizing assumptions are examined. The ray and mode solutions are then shown to be consistent by considering a truncated sum of modes that constructively interfere along a geometric ray path. By defining the travel-time perturbation due to a truncated sum of modes, the travel-time variance of the modal sum is derived. With increasing frequency the maximum value of this variance converges to a frequency-independent result with a similar magnitude to the ray maximum variance.
    Keywords: Internal waves ; Oceanography ; Sound waves ; Travelling waves ; Underwater ; Wave propagation ; Barents Sea ; Ray trajectories ; Shallow–water equations ; Travel time
    Repository Name: Woods Hole Open Access Server
    Type: Article
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  • 90
    Publication Date: 2021-01-30
    Description: This Guide describes the operational procedures for the BATHY/TESAC Operational Programme, which includes the collection and exchange of operational BATHY, TESAC and, since 1 November 1987, TRACKOB data. The instructions and guidelines to be followed are arranged under the following main headings: • Data Collection • Data Encoding • Data Routing • Error Checking and Quality Control • Monitoring
    Description: Third Revised Edition - Original: English; also available in French, Spanish & Russian
    Description: Published
    Description: Operational Data Dissemination, data collection, Observational Strategy, Quality Control Procedures, data routing, Platform to Shore Transmission, Monitoring, National Monitoring, Monthly Exchange, Periodic GTS Monitoring,
    Keywords: Oceanography ; Monitoring ; Data processing ; Data storage ; Data acquisition ; Data collections ; Data acquisition ; Data processing ; Data storage ; Data transmission ; Quality control ; Monitoring ; Monitoring systems
    Repository Name: AquaDocs
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  • 91
    Publication Date: 2021-05-19
    Description: This manual sets out an approach to the identification and monitoring of shoreline change and its causative processes at local and regional scales that is appropriate to the coastal management problems of the region as reported by the regional contributors. The approach aims to promote the targeting of sparse resources on the acquisition and provision of information that is most relevant to the management of the problem. The procedures for monitoring shoreline change and its contributory processes are described, including the use of accessible relevant regional information and data or meta-data sets.
    Description: Affiliation: Mr Kuria Kairu, Kenya Marine and Fisheries Research Institute, Mombasa Kenya and Dr Ntahondi Nyandwi, Institute of Marine Sciences, University of Dar-es-Salaam Zanzibar, Tanzania
    Description: Published
    Description: Physical shoreline change, classifying coasts, coastal change,
    Keywords: Oceanography ; Environmental monitoring ; Environmental surveys ; Environmental monitoring ; Socioeconomic aspects ; Sociological aspects ; Coastal structures ; Coastal zone ; Coastal zone management ; Sediment analysis ; Sedimentary environments ; Sedimentary rocks ; Sedimentary structures
    Repository Name: AquaDocs
    Type: Non-Refereed
    Format: 68
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  • 92
    Publication Date: 2021-05-19
    Description: IOC Manuals and guides No. 5
    Description: National Oceanographic Data Centre, NODC, expanded activities, International considerations
    Keywords: Oceanography ; Oceanographic institutions ; Oceanographic data
    Repository Name: AquaDocs
    Format: 46
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  • 93
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    Publication Date: 2021-01-30
    Description: Published
    Description: Wave data exchange, measured wave data
    Keywords: Oceanography ; Wave buoys ; Wave data ; Wave measurement ; Wave parameters
    Repository Name: AquaDocs
    Format: 80
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  • 94
    Publication Date: 2021-01-30
    Description: Published
    Description: GF3, Reference sheets, GF3-PROC
    Keywords: Oceanography ; Computer programs ; Data storage ; Data storage ; Computer programs
    Repository Name: AquaDocs
    Format: 26
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  • 95
    Publication Date: 2021-01-30
    Description: 1st Revised Edition
    Description: Published
    Description: data encoding, data collection, data routing, monitoring, BATHY, TESAC
    Keywords: Oceanography ; Data acquisition ; Data storage ; Data processing ; Data acquisition ; Data storage ; Data transmission ; Data processing ; Quality control ; Salinity data ; Salinity measurement ; Salinity measuring equipment ; Surface currents ; Surface salinity ; Surface temperature
    Repository Name: AquaDocs
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  • 96
    Publication Date: 2021-05-19
    Description: IOC Manuals and guides No. 17, Volume 2
    Description: GF3 tapes, GF3 records, GF3 code table,
    Keywords: Oceanography ; Data processing ; Data collections ; Data processing ; Exchange capacity
    Repository Name: AquaDocs
    Format: 113
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  • 97
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    UNESCO
    Publication Date: 2021-01-30
    Description: This Document is the second revision of the IOC Manuals and Guides No.5. The first edition was published in 1975 and the first revision in 1997. This document deals mainly with oceanographic data management but, as data and information management are increasingly complementary, some attention is also given to marine information management. This Guide is intended as a tool for policy makers at the national level to assist them with the decision-making related to the establishment of national facilities for the management of oceanographic data (and information). It is also intended to be a reference document for national organizations involved in, or planning to be involved in, oceanographic data and information management.
    Description: UNESCO
    Description: 2nd revised edition
    Description: Published
    Description: Oceanographic data centre, coordination data centre,
    Keywords: Oceanography ; Data acquisition ; Data processing ; Data acquisition ; Data collections ; Data processing ; Data reports ; Data transmission
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  • 98
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    Publication Date: 2021-05-19
    Description: The material on the "Black Sea Data Management Guide" are prepared in accordance with the working plans of the IOC Committee on International Data and Information Exchange (IODE) and its regional component in the Black Sea region to assist specialists of the Black Sea countries in the field of Data Management. The Guide includes the following items: national oceanographic data centres, designated national agencies, other marine centres and institutions of the Black Sea region countries dealing with problems of oceanographic data; current international and national projects and programs of the Black Sea region countries; preliminary catalogue marine observation in the Black Sea; bibliography of publications of the marine centres and institute of the Black Sea region on problems of the Black Sea data and information published mainly during the past 5 years; other information related to oceanographic data and information on the Black Sea.
    Description: Manual and Guide NO 43
    Description: Ecosystem processes, integrated coastal, shelf zone
    Keywords: Oceanography ; Oceanography ; Oceanographic surveys ; Oceanography ; Ecosystem management ; Monitoring systems ; Oceanographic data ; Oceanographic surveys ; Oceanographic institutions
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  • 99
    Publication Date: 2021-05-19
    Description: This first issue is devoted to the use of indicators for ICAM, and is a direct result of the IOC-DFO-NOAA-CSMP International Workshop on the same topic, organised in May 2002, in Ottawa. Based on a background paper prepared by the Center for the Study of Marine Policy (University of Delaware) in preparation for the workshop, the aim of this Reference Guide is to present a literature review on the use of indicators around the world, from various programmes and projects, at global, regional, national and local scale.The need for indicators and reporting techniques which reflects the performance of coastal management projects and programmes and reveals the complex relationship that exist between coastal ecosystem health and anthropogenic activities, socio-economic conditions and managerial decisions, has been reinforced recently by the World Summit on Sustainable Development’s Plan of Implementation. This Dossier will hopefully offer a first step towards the development of common practices and protocols in the application of such indicators.
    Description: ICAM Dossier 1
    Description: Published
    Description: Gouvernance aspect socioecono;ic indicator, coastal and Marine environment
    Keywords: Oceanography ; Marine environment ; Marine ecology ; Policies ; Coastal oceanography ; Coastal zone management ; Marine ecology ; Marine environment ; Environment management ; Socioeconomic aspects ; Policies
    Repository Name: AquaDocs
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  • 100
    Publication Date: 2021-05-19
    Description: The aim of this guide is to assist in the organisation of environmental information and thus to contribute to the concerted preparation of management plans which should be implemented by all the environmental actors : decision-makers, managers, users and scientists. The proposed methodological approach provides the unifying thread for the user of this guide. It comprises a certain number of stages which lead to the formulation of the management objectives. The assistance given contributes finally to the definition of the real management strategy to be applied (plan, diagram, programme of action and follow up). The architecture of this methodological approach is organised around a master chart, referred to as “Stages in the Approach”. This indicates the different stages to be followed for the definition of a management plan. This master chart is fed by two types of input data which constitute the information
    Description: This document is available in English and French versions
    Description: Published
    Description: methodological approach
    Keywords: Oceanography ; Coastal zone management
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