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  • Articles  (164,554)
  • Open Access-Papers  (160,797)
  • Papers in Special Publications / Geological Society London  (3,757)
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  • Articles  (164,554)
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  • 1
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    Springer Science and Business Media LLC
    In:  EPIC3Nature Communications, Springer Science and Business Media LLC, 15(1), ISSN: 2041-1723
    Publication Date: 2024-01-06
    Description: Antarctic coastal waters are home to several established or proposed Marine Protected Areas (MPAs) supporting exceptional biodiversity. Despite being threatened by anthropogenic climate change, uncertainties remain surrounding the future ocean acidification (OA) of these waters. Here we present 21st-century projections of OA in Antarctic MPAs under four emission scenarios using a high-resolution ocean–sea ice–biogeochemistry model with realistic ice-shelf geometry. By 2100, we project pH declines of up to 0.36 (total scale) for the top 200 m. Vigorous vertical mixing of anthropogenic carbon produces severe OA throughout the water column in coastal waters of proposed and existing MPAs. Consequently, end-of-century aragonite undersaturation is ubiquitous under the three highest emission scenarios. Given the cumulative threat to marine ecosystems by environmental change and activities such as fishing, our findings call for strong emission-mitigation efforts and further management strategies to reduce pressures on ecosystems, such as the continuation and expansion of Antarctic MPAs.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
    Format: application/pdf
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  • 2
    Publication Date: 2024-01-06
    Description: The historical archive of global ocean subsurface temperature contains a large proportion of poorly quality-controlled as well as biased data. As a result, efforts to analyze past ocean change and variability are confounded, as is the use of ocean data assimilation systems. Currently many data centers perform automated ‘quick and dirty QC’ – redoing the same job poorly many times around the world. There have been no previous efforts to form a clean and definitive and very much needed historical archive. No single group has the manpower and resources to do the job properly – thus international cooperation is needed. The IQuOD 6thh Workshop goals are to: 1. Obtain agreement for the AutoQC process for application to the next product version. 2. Plan for the next IQuOD product: what will it consist of and what do we need to complete to get to the next release.
    Description: Published
    Description: Non Refereed
    Keywords: ASFA_2015::O::Oceanographic instruments ; ASFA_2015::I::In situ temperature ; ASFA_2015::T::Temperature profiles ; ASFA_2015::Q::Quality control ; ASFA_2015::S::Subsurface water ; ASFA_2015::C::Conductivity-temperature-depth observations ; ASFA_2015::S::Salinity profiles ; ASFA_2015::X::XBTs ; ASFA_2015::M::Mechanical bathythermographs
    Repository Name: AquaDocs
    Type: Book/Monograph/Conference Proceedings
    Format: 37pp.
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  • 3
    Publication Date: 2024-01-06
    Description: The historical archive of global ocean subsurface temperature contains a large proportion of poorly quality-controlled as well as biased data. As a result, efforts to analyze past ocean change and variability are confounded, as is the use of ocean data assimilation systems. Currently many data centers perform automated ‘quick and dirty QC’ – redoing the same job poorly many times around the world. There have been no previous efforts to form a clean and definitive and very much needed historical archive. No single group has the manpower and resources to do the job properly – thus international cooperation is needed. The IQuOD 7th Workshop goals are to: 1. Ratify new co-Chairs. 2. Review work achieved so far. 3. Review IQuOD structure. 4. Plan for tasks for the coming 12-24 months.
    Description: Published
    Description: Non Refereed
    Keywords: ASFA_2015::O::Oceanographic instruments ; ASFA_2015::I::In situ temperature ; ASFA_2015::T::Temperature profiles ; ASFA_2015::Q::Quality control ; ASFA_2015::S::Subsurface water ; ASFA_2015::C::Conductivity-temperature-depth observations ; ASFA_2015::S::Salinity profiles ; ASFA_2015::X::XBTs ; ASFA_2015::M::Mechanical bathythermographs
    Repository Name: AquaDocs
    Type: Book/Monograph/Conference Proceedings
    Format: 34pp.
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  • 4
    Publication Date: 2024-01-05
    Description: The historical archive of global ocean subsurface temperature contains a large proportion of poorly quality-controlled as well as biased data. As a result, efforts to analyze past ocean change and variability are confounded, as is the use of ocean data assimilation systems. Currently many data centers perform automated ‘quick and dirty QC’ – redoing the same job poorly many times around the world. There have been no previous efforts to form a clean and definitive and very much needed historical archive. No single group has the manpower and resources to do the job properly – thus international cooperation is needed. The IQuOD 5th Workshop goals are to: provide an overview of what has been completed as part of IQuOD interim product v0.1 and discuss what went well and what could be improved (e.g., integrity checks, traceability, roadblocks, etc) • To review/discuss task teams plans beyond v0.1 and workout a draft plan/timeline (to note roadblocks and resources required to overcome them) • To start planning for training/outreach activities • To plan for dissemination/feedback strategies for IQuOD datasets/related products.
    Description: Published
    Description: Non Refereed
    Keywords: 5th CLIVAR GSOP IQuOD ; 3rd IODE SG-IQuOD ; 2nd SCOR WG 148 ; ASFA_2015::O::Oceanographic instruments ; ASFA_2015::I::In situ temperature ; ASFA_2015::T::Temperature profiles ; ASFA_2015::Q::Quality control ; ASFA_2015::S::Subsurface water ; ASFA_2015::C::Conductivity-temperature-depth observations ; ASFA_2015::S::Salinity profiles ; ASFA_2015::X::XBTs ; ASFA_2015::M::Mechanical bathythermographs
    Repository Name: AquaDocs
    Type: Book/Monograph/Conference Proceedings
    Format: 73pp.
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  • 5
    Publication Date: 2024-01-08
    Description: Under Indian legislation, i.e. various state Marine Fishing (Regulation) Act (MFRAs), small-scale traditional fishers are granted exclusive rights to near-shore marine waters, ostensibly to protect their rights and livelihoods. However, failures in implementation, management and monitoring of these exclusive small-scale artisanal fishing zones (SFZs), has hampered the holistic actualization of these protections. Establishing secure tenure rights to marine and coastal spaces and resources can be considered sine qua non for equity and justice. It is essential to rejuvenate existing mechanisms and bolster them through the principles of human rights and the SSF Guidelines to protect and support small-scale fisheries in our future.
    Description: Published
    Description: Refereed
    Keywords: India ; Andhra Pradesh ; Tenure Rights ; Small-scale Fisheries ; Artisanal Fisheries ; Vulnerability ; Fishing Communities ; Fishermen ; Livelihoods ; Fishing Rights ; Fisheries Legislation ; Fishing Rights ; Access Rights ; Small-scale Artisanal Fishing Zones (SFZs) ; Human Rights ; SSF Guidelines ; Marine Fisheries ; Coastal Communities ; Poverty ; Sustainable Use ; Social Development ; Small-scale Fisheries
    Repository Name: AquaDocs
    Type: Book/Monograph/Conference Proceedings
    Format: 82p.
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  • 6
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    International Collective in Support of Fishworkers (ICSF) | India
    Publication Date: 2024-01-08
    Description: The incessant noise over ‘Blue Economy’ and ‘Blue Growth’ leaves artisanal and small-scale fishers dazed and confused. This report works through that confusion. It draws on scholarship from the trenches and the research centres across ten Latin American countries. From extensive interviews, policy reviews, analyses of finances and online datasets. In granular detail, it examines how Blue Growth affects artisanal fishers and their need for equity and justice. Through the baffling shades of blue—conflicts, priorities, the politics of managing our coasts and seas—this report finds clear light. It lays down the agenda for fishworkers and organizations working for them.
    Description: Published
    Description: Refereed
    Keywords: Latin America ; Small-scale Fisheries ; Coastal States ; Artisanal Fisheries ; Equity ; Fishworkers ; Brazil ; Chile ; Peru ; Ecuador ; Colombia ; Panama ; Costa Rica ; Nicaragua ; Honduras ; Guatemala ; ICSF ; Small-scale Fisheries
    Repository Name: AquaDocs
    Type: Book/Monograph/Conference Proceedings
    Format: 125p.
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  • 7
    Publication Date: 2024-01-08
    Description: High-latitude ionospheric plasma constitutes a very complex environment, which is characterized by turbulent dynamics in the presence of different ion species. The turbulent plasma motion produces statistical features of both electromagnetic and velocity fields, which have been broadly studied over the years. In this work, we use electric field high-resolution observations provided by the China-Seismo Electromagnetic Satellite-01 in order to investigate the properties of plasma turbulence within the Earth’s polar cap. We adopt a model of turbulence in which the fluctuations of the electric field are assimilated to a stochastic process evolving throughout the scales, and we show that such a process (i) satisfies the Markov condition (ii) can be modeled as a continuous diffusion process. These observations enable us to use a Fokker–Planck equation to model the changes in the statistics of turbulent fluctuations throughout the scales. In this context, we discuss the advantages and limitations of the proposed approach in modeling plasma electric field fluctuations.
    Description: Published
    Description: 1466
    Description: OSA3: Climatologia e meteorologia spaziale
    Description: JCR Journal
    Keywords: polar ionosphere ; electric field turbulence ; Markov processes ; 01.02. Ionosphere
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 8
    Publication Date: 2024-01-08
    Description: The study investigates the influence of interplanetary magnetic field (IMF) orientation on loss of lock (LoL) events in GPS signals. We analyzed LoLs recorded on two Swarm satellites between July 2014 and December 2021, examining how the signs of the IMF $B_x$, $B_y$, and $B_z$ components affect the distribution of events at high latitudes. Our results reveal an asymmetric distribution of LoL events over 75° magnetic latitude. In the Northern hemisphere, more events occur in the post-noon sector with negative IMF $B_y$, and in the pre-noon sector with positive IMF $B_y$. Conversely, in the Southern hemisphere, pre-noon events increase with negative IMF $B_y$, while post-noon events increase with positive IMF $B_y$. At lower latitudes (50°-75°), IMF $B_y$ does not significantly affect the event distribution, which mainly concentrates in the night sector for both hemispheres. Additionally, we found a connection between IMF $B_y$ and $B_x$, primarily due to the IMF spiral structure. Finally, we discuss our findings in the context of the SuperDARN data-driven model of ionospheric convection patterns, which shows that LoL events frequently cluster in the cusp region, as well as the area where the two convection cells separate.
    Description: Published
    Description: e2023JA031411
    Description: OSA3: Climatologia e meteorologia spaziale
    Description: JCR Journal
    Keywords: GPS Loss of Lock ; Interplanetary Magnetic Field ; Ionosphere ; Swarm satellites ; 01.02. Ionosphere
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 9
    Publication Date: 2024-01-08
    Description: Previous studies have shown that solar wind, a plasma medium with turbulent dynamics, exhibits anomalous scaling features, i.e., intermittency, in the inertial domain. This intermittent nature has primarily been investigated through the study of the scaling features of the structure functions of single quantities. We use a novel approach based on joint multifractal analysis in this study to simultaneously investigate the scaling characteristics of both the magnetic field and the plasma velocity in solar wind turbulence. Specifically, we focus on the joint multifractal behavior of magnetic and velocity field fluctuations in both fast and slow solar wind streams observed by the ESA-Ulysses satellite, with the goal of identifying any differences in their joint multifractal characteristics.
    Description: Published
    Description: 748
    Description: OSA3: Climatologia e meteorologia spaziale
    Description: JCR Journal
    Keywords: multifractal analysis ; solar wind ; turbulence ; 05.07. Space and Planetary sciences
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 10
    Publication Date: 2024-01-08
    Description: “Pressure and time.” A momentous quote in a compelling movie from a few decades ago interestingly pointed at some of the ingredients that contributed to shaping the Earth. The movie set off from how to seep through masses that appeared just too vast to be shakable or vulnerable – if not by deciphering their inner core. The planetary size and time frame of the Earth may have elicited a perception of a durable, unbuckling living environment – just because “pressure and time” to really affect it would have been out of human reach – supposedly. However, the Earth and environmental sciences have long striven to alert contemporary societies that this is just not the case, as humans have been well exerting scattered yet ubiquitous, planetary-scale pressure over a relatively brief time – with consequential, durable effects. Rising global population, long-term migration shifts of continental extents – due to risks, climate, resources – and unpredicted factors – from vulnerabilities to instabilities – pressure on the environment (natural and built) in unprecedented scale throughout human history. The Earth sciences were born out of deciphering ancient life forms teeming in an aboriginal environment, unfolding on a planet that could be explained only by looking at the Solar system – and at the inception of the Universe. Cross-disciplinary by nature, the Earth and environmental sciences offer crucial tools to gauge location, economic turnout, and societal costs of those very resources and fragilities. They also are pivotal co-actors of intellectual stewardship bridging the gulf with sister disciplines well beyond the remits of the physical sciences. From economics to philosophy, and from history to literature, multiple, diverse and concurring threats call for resourceful, multi-faceted mind- and skill-sets where no single hazard may be really treated apart – not on societal terms. Adapting a famous statement from the 20th century, evolution in a time of poly-crises, multiple hazards, and accrued vulnerabilities is not going to be a dinner party for contemporary societies – especially as they dwell a world perceived as increasingly richer in risks and poorer in resources, with a growing population and across instabilities. Human Earth sciences offer a bridge towards our collective future – as societies, continents, planets.
    Description: Published
    Description: San Francisco USA
    Description: OSA2: Evoluzione climatica: effetti e loro mitigazione
    Keywords: Global change ; Climate change ; Complexity ; Earth system ; 05.03. Educational, History of Science, Public Issues ; 05.08. Risk
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: Conference paper
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