ALBERT

Description: Mt Etna has made headlines over the last weeks and months with spectacular eruptions, some of them highly explosive. This type of paroxysmal eruptive behaviour is characteristic of Etna’s activity over the past few decades and so it is no surprise that Etna is among the most active volcanoes worldwide. Etna is well-known for its extraordinary geology and due to its repeated eruptive activity it provides a continuous supply of new scientific opportunities to understand the inner workings of large basaltic volcanic systems. In addition to its scientific value, Etna is also a world famous tourist attraction and has been listed as a UNESCO World Heritage site in 2013 for its geological and cultural value and not least for its fine agricultural products. Etna’s status as an iconic volcano is not a recent phenomenon; in fact, Etna has been a literary fixture for at least 3000 years, giving rise to many ancient myths and legends that mark it as a special place, deserving of human respect. From the ancient eruptions to the latest events in February–April 2021, people try to explain and understand the processes that occur within and beneath the volcano. In this article, we briefly summarize the recent eruptive activity of Etna as well as the ancient myths and legends that surround this volcano, from the underground forge of Hephaestus to the adventures of Odysseus, all the way to the benefits and dangers the volcano provides to those living on its flanks today.

Description: Published

Description: 141-149

Description: 2TM. Divulgazione Scientifica

Description: N/A or not JCR

Description: © The Author(s), 2022. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in McNichol, A., Key, R., & Guilderson, T. Global ocean radiocarbon programs. Radiocarbon, (2022): 1–13, https://doi.org/10.1017/rdc.2022.17.

Description: The importance of studying the radiocarbon content of dissolved inorganic carbon (DI14C) in the oceans has been recognized for decades. Starting with the GEOSECS program in the 1970s, 14C sampling has been a part of most global survey programs. Early results were used to study air-sea gas exchange while the more recent results are critical for helping calibrate ocean general circulation models used to study the effects of climate change. Here we summarize the major programs and discuss some of the important insights the results are starting to provide.

Description: Authors received funding from the National Science Foundation OCE-85865400 (APM) and a Woods Hole Oceanographic Technical Staff Award (APM).

Description: © The Author(s), 2022. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Castorani, M. C. N., Bell, T. W., Walter, J. A., Reuman, D. C., Cavanaugh, K. C., & Sheppard, L. W. Disturbance and nutrients synchronise kelp forests across scales through interacting Moran effects. Ecology Letters, 25(8), (2022): 1854-1868, https://doi.org/10.1111/ele.14066.

Description: Spatial synchrony is a ubiquitous and important feature of population dynamics, but many aspects of this phenomenon are not well understood. In particular, it is largely unknown how multiple environmental drivers interact to determine synchrony via Moran effects, and how these impacts vary across spatial and temporal scales. Using new wavelet statistical techniques, we characterised synchrony in populations of giant kelp Macrocystis pyrifera, a widely distributed marine foundation species, and related synchrony to variation in oceanographic conditions across 33 years (1987–2019) and 〉900 km of coastline in California, USA. We discovered that disturbance (storm-driven waves) and resources (seawater nutrients)—underpinned by climatic variability—act individually and interactively to produce synchrony in giant kelp across geography and timescales. Our findings demonstrate that understanding and predicting synchrony, and thus the regional stability of populations, relies on resolving the synergistic and antagonistic Moran effects of multiple environmental drivers acting on different timescales.

Description: This study was funded by the U.S. National Science Foundation (NSF) through linked NSF-OCE awards 2023555, 2023523, 2140335, and 2023474 to M.C.N.C., K.C.C., T.W.B., and D.C.R., respectively. The research was initiated during a synthesis working group at the Long Term Ecological Research Network Office and National Center for Ecological Analysis and Synthesis funded under NSF-DEB award 1545288. D.C.R. and L.W.S. were also partly supported by NSF award 1714195, the McDonnell Foundation, and the California Department of Fish and Wildlife Delta Science Program. This project used data developed through the Santa Barbara Coastal Long Term Ecological Research project, funded through NSF-OCE award 1831937.

Description: This event entitled “Verso la Generazione Oceano” (Towards the Generation Ocean) was the first initiative organized in Italy to present the United Nations Decade of Ocean Science for Sustainable Development (hereinafter the “Decade”). It was held on 22 October 2020 in Milan, Italy. Its goal was to illustrate to the Italian stakeholders the objectives and the plans of the Decade in order to pave the way for the creation of the Generation Ocean campaign (#versolagenerazioneoceano) that will be developed in Italy in 2021. Moreover, this event was organized with the aim to work with different stakeholders and sectors of the society in start developing ideas to be implemented during the UN Decade of Ocean Science for Sustainable Development (2021–2031). This event was planned to take place in May 2020 and the preparatory work started in January 2020. However, due to the Covid-19 outbreak, it was postponed and rescheduled as a digital event to 22 October 2020. Nutrition, oxygen, energy, work, health: everything that allows us to live is linked to the ocean. To promote greater knowledge, conservation and sustainable use of the ocean and its resources, the United Nations declared 2021-2030 "Decade of Ocean Science for Sustainable Development". The Decade aims to mobilise the scientific community, policymakers, business and civil society around a collaborative research and technological innovation programme. It will enable the coordination of research programmes, observation systems, capacity building, maritime spatial planning, and marine risk reduction, to improve the management of ocean and coastal zone resources. The Decade of Ocean Sciences should accelerate the implementation of Sustainable Development Goal 14 for the conservation and sustainable use of the ocean, seas and marine resources. The goal is also to create together “the ocean we need, for the future we want”. With this in mind, the UNESCO Regional Bureau for Science and Culture in Europe and the Intergovernmental Oceanographic Commission of UNESCO (IOC-UNESCO) represented by its Executive Secretary, Dr Vladimir Ryabinin, organised a popular event "Towards the Generation Ocean" to present in Italy the Decade of Ocean Science. In collaboration with various partners, the event aims to initiate a movement that gives voice to the importance of having a resilient ocean, a productive ocean and a healthy ocean. The event focussed on three great challenges: "climate change, food safety and human health". From the No’hma theatre in Milan, “Towards the Generation Ocean” gathered virtually from 9 a.m. to 1 p.m., researchers, professionals, sustainable entrepreneurs, and also chefs, musicians, journalists and experts from various sectors of society. The time to act is now and we must act together! was the message. The event was an initiative dedicated to the role of marine scientific research as an essential tool to ensure the health of the planet and the announcement of a new era represented by the "Generation Ocean". It strived to spread greater awareness of the importance of the ocean and to promote innovative solutions to the challenges we will face in the coming years. At the end of the morning, the event hosted the award ceremony of Oceanthon, the digital hackathon aimed at students, researchers, developers, experts in communication, economics, marketing and design, participating in the design of innovative ideas for the conservation of the ocean. The highlight of the mobilisation event was the presentation of the Oceanthon Prize by Davide Villa, CMO and Board Member of E.ON Italia to the winning “River Cleaner” project by Blue Eco Line startup. The initiative mobilized institutions, companies, non-profit organizations, media and popular people with great interest in the objectives of the Decade. All of them are called to become the promoters of specific initiatives and helper of the IOC as coordinator of the Decade in raising awareness, and facilitating stakeholders’ commitments for the Decade. See related web article: https://en.unesco.org/news/towards-generation-ocean-united-create-ocean-we-need-future-we-want .

Description: OPENASFA INPUT For bibliographic purposes this document should be cited as follows: UNESCO-IOC. 2020. Italian Digital Mobilization Event for the United Nations Decade of Ocean Science for Sustainable Development: “Towards the Generation Ocean”, 22 October 2020, Milan, Italy. Paris, UNESCO, (Workshop Reports, 292).

Description: Published

Description: Not Known

Description: In 2017, the UN General Assembly declared the UN Decade of Ocean Science for Sustainable Development (2021-2030). It has entrusted IOC-UNESCO with the design and delivery of the Decade to ensure that ocean science is indeed underpinning sustainable ocean management and the 2030 Sustainable Development Agenda more broadly. Fulfilling its mandate as trustee of the Ocean Decade, as well as delivering on a growing list of additional roles, in an oceanographic space that is both expanding and increasingly crowded, establishes an important opportunity but also an overarching challenge for IOC-UNESCO. In the context of the upcoming UN Decade of the Ocean, the IOC-UNESCO agreed with the Internal Oversight Service (IOS) on the merit of conducting an evaluation of its strategic positioning within the UN system and the broader landscape of ocean-related actors and programmes, taking into account relevant enabling policy frameworks to which the work of the Commission responds.

Description: OPENASFA INPUT Published by UNESCO's Internal Oversight Service.

Description: Published

Description: Not Known

Description: World Oceans Day is celebrated every year on 8 June to acknowledge the importance of the oceans in the global environment. This international day observed by the United Nations serves as an occasion to raise awareness on the protection of the oceans and on the sustainable use of its resources, as well as to discuss ways to further develop and share scientific knowledge on ocean related issues. This year, the Intergovernmental Oceanographic Commission of UNESCO, together with the Ocean and Climate Platform, dedicates this special day to the key role played by the ocean in maintaining a healthy environment. Held under the theme “Healthy Ocean, Healthy Planet”, World Oceans Day 2016 gives special focus on the prevention of plastic pollution.

Description: Norwegian Ministry of Foreign Affairs

Description: OpenASFA INPUT

Description: Published

Description: Non Refereed

Description: Capacity building is an essential tenet of IOC’s mission: It enables all Member States to participate in and benefit from ocean research and services that are vital to sustainable development and human welfare on the planet. This Strategy’s vision identifies capacity development as the primary catalyst through which IOC will achieve its four high level objectives in the current 2014–2021 IOC Medium-Term Strategy. Over the past 55 years Member States have derived numerous benefits from IOC’s capacity development from the first International Indian Ocean Expedition to the revitalisation of African marine science coordination and establishment of the global tsunami warning network including the monitoring/forecasting networks that save lives (see addendum, section III). Reinforced partnerships between IOC and its Member States, other UN agencies, donors, and the scientific community have been the cornerstone of this success. During this period, the transformation of ocean science capabilities, accelerating threats to ocean health and ecosystem services, and the growing challenge of sustainable development require the IOC and its Member States to accelerate the pace of IOC capacity development. Resource constraints, both staff and funding, limit IOC’s ability to mobilise the necessary partnerships to address Member State science and services that will enhance human welfare and sustainable economic development. In 2014, the UN General Assembly adopted the Oceans and the law of the sea Reso lution   (A/RES/69/245) which reiterated the essential need for cooperation, including through capacity building and transfer of marine technology, “to ensure that States, especially developing countries, in particular the least developed countries and small island developing States, as well as coastal African States, are able both to implement the Convention1 and to benefit from the sustainable development of the oceans and seas, as well as to participate fully in global and regional forums and processes dealing with oceans and law of the sea issues.” 2015 will mark the establishment of the Post-2015 Development Agenda, which is expected to be integrated as Sustainable Development Goals (SDGs). IOC has a unique international niche in ocean science, services and capacity development: (a) fostering international cooperation for sustained observations of the oceans; (b) generating oceanographic data and information products and services and interaction between research, operational, user communities and decision-makers in order to derive maximum societal benefit from new knowledge to achieve IOC’s High Level Objectives. The IOC will mainstream its natural and social science approach to capacity development in its Member States and, in particular, in Priority Africa, SIDS and Gender Equality. This strategic framework provides six outputs and numerous activities that are elaborated in detail below. These outputs call for investing in people and the institutions of which they are a part, enhancing access to scientific tools and methodologies, reinforcing IOC’s capabilities to provide services to Member States, enhancing the communication between scientific and policy makers communities, expanding ocean literacy in civil society and mobilising resources to accomplish these goals. While this framework provides general guidance on elements of an implementation plan yet to be developed, elevating IOC’s impact to the scale required is contingent on: • Reinforcing and valuing IOC staff at global and regional levels and, where necessary, participating national ocean scientific and governance institutions; • Integrating IOC global and regional mechanisms to rapidly expand Member State participation in IOC programmes: - Empowering IOC regional sub-commissions and other subsidiary bodies o engage with Member States, expanding collaboration and capacity development (including transfer of marine technology) on their coastal and marine affairs priorities - Strengthening global science programmes to increase scientific engagement with Member State coastal and marine priorities; • Recommitting to partnerships through the IOC with its Member States, UN organizations and other agencies, scientific community and civil society; • Mobilizing resources, e.g., personnel, funds, knowledge, and observing networks, to deliver the capacity development on which science, services and human communities depend; and • Continued attention to “enabling institutional conditions” as identified in discussions on “The Future of IOC”. The conclusions identify elements of a draft work plan including conducting needs assessments to establish CD work plans, mobilizing associated resources and enhanced communication and collaboration.

Description: OPENASFA INPUT

Description: Published

Description: Refereed

Description: Recalling IOC-Resolution XXX-3 and in accordance with 207 EX/Dec.5.II.A, this report provides a summary of a recently completed evaluation, namely: Internal Oversight Service (IOS) Evaluation of the Strategic positioning of the Intergovernmental Oceanographic Commission (IOC-UNESCO).

Description: Item 9 of the provisional agenda of the Executive Board of UNESCO (212 EX/9). OPENASFA INPUT

Description: Published

Description: Non Refereed

Description: The Intergovernmental Oceanographic Commission (IOC-UNESCO) has functional autonomy within UNESCO. It is the only UN body specializing exclusively in ocean science, ocean observation, ocean data and information exchange and dedicated ocean services such as Tsunami Early Warning Systems. In 2019, UNESCO’s Intergovernmental Oceanographic Commission was tasked to lead the UN Decade of the Ocean. This opportunity, combined with a fast-evolving ecosystem of international actors in an expanding and increasingly crowded ocean policy and marine science space, prompted IOC-UNESCO to request an evaluation of IOC-UNESCO with a focus on its strategic positioning within the UN system and the broader landscape of ocean-related actors and programmes to meet the high demand for sound ocean science in an oceanographic space. The evaluation found that IOC-UNESCO is a valued partner for Member States as well as other international and national actors, and indispensable for strengthening capacities and providing the data and technical information on ocean science policy that serves as a basis for national level data. IOC-UNESCO has been most successful in providing contributions to UN Frameworks and Conventions (e.g. UNFCCC, Sendai and CBD), in acting as a neutral platform to discuss the increasingly relevant issue of ocean health and climate change, in bringing Member States together and fostering exchanges between governments and scientists, as well as in providing to the extended oceanographic community access to data, information and science. However, strategic advocacy at the national level, engagement at the regional level, and resourcing and visibility of gender equality and women’s empowerment in the ocean space within and outside IOC-UNESCO are among the areas where further improvements are required. The establishment of the Decade of Ocean Science for Sustainable Development is the most important strategic institutional achievement of IOC-UNESCO in recent years. It is an important opportunity, but the absence of a clearly defined results framework and inadequate resources could jeopardize its success. Furthermore, it still needs to be determined how to best exploit IOC-UNESCO’s data and knowledge base and how UNESCO can best support the Decade, among other through intersectoral work.

Description: OPENASFA INPUT

Description: Published

Description: Refereed

Description: © The Author(s), 2021. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Baker, M. G., Aster, R. C., Wiens, D. A., Nyblade, A., Bromirski, P. D., Gerstoft, P., & Stephen, R. A. Teleseismic earthquake wavefields observed on the Ross Ice Shelf. Journal of Glaciology, 67(261), (2021): 58-74, https://doi.org/10.1017/jog.2020.83.

Description: Observations of teleseismic earthquakes using broadband seismometers on the Ross Ice Shelf (RIS) must contend with environmental and structural processes that do not exist for land-sited seismometers. Important considerations are: (1) a broadband, multi-mode ambient wavefield excited by ocean gravity wave interactions with the ice shelf; (2) body wave reverberations produced by seismic impedance contrasts at the ice/water and water/seafloor interfaces and (3) decoupling of the solid Earth horizontal wavefield by the sub-shelf water column. We analyze seasonal and geographic variations in signal-to-noise ratios for teleseismic P-wave (0.5–2.0 s), S-wave (10–15 s) and surface wave (13–25 s) arrivals relative to the RIS noise field. We use ice and water layer reverberations generated by teleseismic P-waves to accurately estimate the sub-station thicknesses of these layers. We present observations consistent with the theoretically predicted transition of the water column from compressible to incompressible mechanics, relevant for vertically incident solid Earth waves with periods longer than 3 s. Finally, we observe symmetric-mode Lamb waves generated by teleseismic S-waves incident on the grounding zones. Despite their complexity, we conclude that teleseismic coda can be utilized for passive imaging of sub-shelf Earth structure, although longer deployments relative to conventional land-sited seismometers will be necessary to acquire adequate data.

Description: This research was supported by NSF grants PLR-1142518, 1141916, 1142126, 1246151, 1246416 and OPP-1744852 and 1744856.

Description: Silicic calderas are volcanic systems whose unrest evolution is more unpredictable than other volcano types because they often do not culminate in an eruption. Their complex structure strongly influences the post-collapse volcano-tectonic evolution, usually coupling volcanism and ground deformation. Among such volcanoes, the Campi Flegrei caldera (southern Italy) is one of the most studied. Significant long- and short-term ground deformations characterize this restless volcano. Several studies performed on the marinecontinental succession exposed in the central sector of the Campi Flegrei caldera provided a reconstruction of ground deformation during the last 15 kyr. However, considering that over one-third of the caldera is presently submerged beneath the Pozzuoli Gulf, a comprehensive stratigraphic on-land-offshore framework is still lacking. This study aims at reconstructing the offshore succession through analysis of high-resolution single and multichannel reflection seismic profiles and correlates the resulting seismic stratigraphic framework with the stratigraphy reconstructed on-land. Results provide new clues on the causative relations between the intra-caldera marine and volcaniclastic sedimentation and the alternating phases of marine transgressions and regressions originated by the interplay between ground deformation and sea-level rise. The volcano-tectonic reconstruction, provided in this work, connects the major caldera floor movements to the large Plinian eruptions of Pomici Principali (12 ka) and Agnano Monte Spina (4.55 ka), with the onset of the first post-caldera doming at ~10.5 ka. We emphasize that ground deformation is usually coupled with volcanic activity, which shows a self-similar pattern, regardless of its scale. Thus, characterizing the long-term deformation history becomes of particular interest and relevance for hazard assessment and definition of future unrest scenarios.

Description: Published

Description: 855-882

Description: 1V. Storia eruttiva

Description: JCR Journal

Description: © The Author(s), 2019. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Baker, M. G., Aster, R. C., Anthony, R. E., Chaput, J., Wiens, D. A., Nyblade, A., Bromirski, P. D., Gerstoft, P., & Stephen, R. A. Seasonal and spatial variations in the ocean-coupled ambient wavefield of the Ross Ice Shelf. Journal of Glaciology, 65(254), (2019): 912-925, doi:10.1017/jog.2019.64.

Description: The Ross Ice Shelf (RIS) is host to a broadband, multimode seismic wavefield that is excited in response to atmospheric, oceanic and solid Earth source processes. A 34-station broadband seismographic network installed on the RIS from late 2014 through early 2017 produced continuous vibrational observations of Earth's largest ice shelf at both floating and grounded locations. We characterize temporal and spatial variations in broadband ambient wavefield power, with a focus on period bands associated with primary (10–20 s) and secondary (5–10 s) microseism signals, and an oceanic source process near the ice front (0.4–4.0 s). Horizontal component signals on floating stations overwhelmingly reflect oceanic excitations year-round due to near-complete isolation from solid Earth shear waves. The spectrum at all periods is shown to be strongly modulated by the concentration of sea ice near the ice shelf front. Contiguous and extensive sea ice damps ocean wave coupling sufficiently so that wintertime background levels can approach or surpass those of land-sited stations in Antarctica.

Description: This research was supported by NSF grants PLR-1142518, 1141916, 1142126, 1246151 and 1246416. JC was additionally supported by Yates funds in the Colorado State University Department of Mathematics. PDB also received support from the California Department of Parks and Recreation, Division of Boating and Waterways under contract 11-106-107. We thank Reinhard Flick and Patrick Shore for their support during field work, Tom Bolmer in locating stations and preparing maps, and the US Antarctic Program for logistical support. The seismic instruments were provided by the Incorporated Research Institutions for Seismology (IRIS) through the PASSCAL Instrument Center at New Mexico Tech. Data collected are available through the IRIS Data Management Center under RIS and DRIS network code XH. The PSD-PDFs presented in this study were processed with the IRIS Noise Tool Kit (Bahavar and others, 2013). The facilities of the IRIS Consortium are supported by the National Science Foundation under Cooperative Agreement EAR-1261681 and the DOE National Nuclear Security Administration. The authors appreciate the support of the University of Wisconsin-Madison Automatic Weather Station Program for the data set, data display and information; funded under NSF grant number ANT-1543305. The Ross Ice Shelf profiles were generated using the Antarctic Mapping Tools (Greene and others, 2017). Regional maps were generated with the Generic Mapping Tools (Wessel and Smith, 1998). Topography and bathymetry data for all maps in this study were sourced from the National Geophysical Data Center ETOPO1 Global Relief Model (doi:10.7289/V5C8276M). We thank two anonymous reviewers for suggestions on the scope and organization of this paper.