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  • 1
    Online Resource
    Online Resource
    Newark :John Wiley & Sons, Incorporated,
    Keywords: Earth Science. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (312 pages)
    Edition: 1st ed.
    ISBN: 9781119818021
    DDC: 333.9164
    Language: English
    Note: Cover -- Half-Title Page -- Title Page -- Copyright Page -- Contents -- Acknowledgments -- Introduction -- Chapter 1. The Challenger Expedition: The Birth of Oceanography -- 1.1. The Challenger cruise (1872-1876) -- 1.2. From the Challenger to the "golden age" of oceanography -- Chapter 2. From Physical Oceanography to Ocean-Atmosphere Interactions -- 2.1. Technological advances revealing the complexity of the ocean -- 2.1.1. Hydrological measurements -- 2.1.2. Current measurements -- 2.2. The international TOGA and WOCE programs -- 2.3. Observing for short-term forecasting and climate study -- 2.4. Major advances -- 2.5. An ocean of change -- 2.6. Conclusion -- Chapter 3: From Chemistry to Marine Biogeochemistry -- 3.1. The birth of chemical oceanography -- 3.2. From the chemical composition of seawater to that of plankton -- 3.3. Chemical tracers 3 and water mass identification -- 3.4. Advancement of concepts on the pelagic ecosystem -- 3.5. Vertical nutrient inputs and coastal upwellings -- 3.6. Nutrient upwelling and Southern Ocean -- 3.7. Rise of marine biogeochemistry -- 3.8. From local nutrient inputs to large-scale ocean-atmosphere interactions -- 3.9. Conclusion -- Chapter 4: From Marine Biology to Biological Oceanography -- 4.1. The key role of marine stations -- 4.2. The beginnings of marine ecology -- 4.3. A case study: a comparative approach to phyto- and zooplankton -- 4.3.1. Progress in phytoplankton analysis -- 4.3.2. History of pigment measurement -- 4.3.3. Progress in zooplankton determination -- 4.4. The rise of marine genomics -- 4.4.1. The starting point: the search for picoplankton -- 4.4.2. Marine genomics, biodiversity and biotechnology -- 4.5. Conclusion -- Chapter 5: Anoxia and Chemosynthesis -- 5.1. Hypoxia and anoxia in the ocean -- 5.1.1. Extension of the dioxygen minimum zone. , 5.1.2. Anoxia and mineralization of organic matter -- 5.2. Eutrophication and anoxia of coastal systems -- 5.2.1. The case of the Baltic Sea -- 5.2.2. "Dead zones" in coastal areas -- 5.3. Hydrothermal ecosystems -- 5.3.1. From suspicion to discovery -- 5.3.2. A wide variety of hydrothermal springs -- 5.3.3. The epic of underwater devices -- 5.3.4. In the deepest depths, autonomous vehicles -- 5.3.5. In deep water, continuous monitoring -- 5.3.6. Biological and ecological aspects -- 5.3.7. Toward laboratory experimentation -- 5.4. Conclusion -- Chapter 6: A Warmer, More Acidified and Less Oxygenated Ocean -- 6.1. Ocean "acidification": process, evolution and impacts -- 6.1.1. From acidity to pH of seawater and carbonate chemistry -- 6.1.2. Variations in ocean pH over geological eras -- 6.1.3. Decrease in ocean pH during the industrial era -- 6.1.4. Decrease in pH and disturbances to the carbonate system -- 6.1.5. Impact of acidification on acoustics -- 6.1.6. Impact of acidification on organisms and ecosystems -- 6.1.7. Impact of acidification on corals -- 6.2. A less productive ocean? -- 6.2.1. What are the impacts of climate change on primary production? -- 6.2.2. What are the impacts on carbon export to the deep ocean? -- 6.2.3. A biological carbon pump activated by climate change? -- 6.2.4. A deep deoxygenated ocean? -- 6.2.5. What are the impacts on plankton? -- 6.3. Impacts of climate change on the ocean -- 6.3.1. Rising sea level -- 6.3.2. Impact on ecosystem services -- 6.4. Conclusion -- Chapter 7: The Ocean at High Resolution -- 7.1. Reminder: the ocean on a large scale -- 7.2. Tools for moving from large to small scale -- 7.2.1. Satellite sensors -- 7.2.2. Underwater gliders -- 7.2.3. Lagrangian floats (profilers) -- 7.2.4. Instrumented animals -- 7.3. A new vision of the ocean. , 7.3.1. Elements of ocean physics at the meso- and submesoscale -- 7.3.2. Frontogenesis and dynamics at the submesoscale -- 7.3.3. High-resolution modeling -- 7.3.4. Impact of mesoscale structures on upper trophic levels -- 7.3.5. Impact of the submesoscale on ecosystem structure -- 7.3.6. Integrating submesoscale dynamics into general circulation models -- 7.3.7. Incorporating diversity into physical-biogeochemical-ecosystem models -- 7.4. Conclusion -- Chapter 8: Challenges for the Ocean -- 8.1. Context -- 8.2. Combining the exploitation of biological resources and sustainable development? -- 8.3. Combining the exploitation of deep sea mineral resources with biodiversity conservation? -- 8.4. Mitigating the anthropogenic greenhouse effect by manipulating the ocean? -- 8.4.1. In the 19th Century -- 8.4.2. A half tanker loaded with iron... -- 8.4.3. Artificial fertilization -- 8.4.4. Natural fertilizations -- 8.4.5. Geo-engineering -- 8.5. Conclusion -- Conclusion -- Glossary of Terms -- References -- List of Authors -- Index -- EULA.
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  • 2
    Online Resource
    Online Resource
    London :ISTE Editions Ltd.,
    Keywords: Electronic books.
    Description / Table of Contents: Depuis l'expédition du HMS Challenger (1872-1876), notre vision de l'océan a totalement changé. L'Homme réalise qu'il joue un rôle clé dans la régulation du climat et de la biodiversité et qu'il est également, grâce à ses ressources biologiques et minières, un pourvoyeur de services pour l'humanité.Océans s'appuie sur les données issues des nouveaux outils océanographiques et satellitaires, acquises lors de programmes internationaux interdisciplinaires. Il décrit les processus qui contrôlent le fonctionnement de l'océan aux différentes échelles spatiales et temporelles.Après avoir considéré l'évolution des concepts en océanographie physique, chimique et biologique, cet ouvrage profile l'avenir d'un océan plus chaud, acidifié et moins oxygéné. Il montre comment une vision de l'océan à différentes échelles modifie sa compréhension. Enfin, il présente les défis auxquels est confronté l'océan en matière d'exploitation des ressources biologiques et minières dans le cadre d'un développement durable, et de régulation du changement climatique.
    Type of Medium: Online Resource
    Pages: 1 online resource (322 pages)
    Edition: 1st ed.
    ISBN: 9781789490039
    Series Statement: Sciences Series
    Language: French
    Note: Cover -- Table des matières -- Remerciements -- Introduction -- Chapitre 1 L'expédition du Challenger : la naissance de l'océanographie -- Chapitre 2 De l'océanographie physique aux interactions océan-atmosphère -- Chapitre 3 De la chimie à la biogéochimie marine -- Chapitre 4 De la biologie marine à l'océanographie biologique -- Chapitre 5 Anoxie et chimiosynthèse -- Chapitre 6 Un océan plus chaud, acidifié et moins oxygéné -- Chapitre 7 L'océan à haute résolution -- Chapitre 8 « Défis » pour l'océan -- Conclusion -- Glossaire -- Bibliographie -- Liste des auteurs -- Index.
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  • 3
    Book
    Book
    London : Wiley-ISTE
    Keywords: Oceanography ; Marine ecology ; Marine resources
    Type of Medium: Book
    Pages: xii, 295 Seiten , Illustrationen
    ISBN: 9781789450033
    DDC: 333.9164
    RVK:
    Language: English
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  • 4
    Publication Date: 2021-04-23
    Description: The GEOVIDE cruise, a collaborative project within the framework of the international GEOTRACES programme, was conducted along the French-led section in the North Atlantic Ocean (Section GA01), between 15 May and 30 June 2014. In this Special Issue, results from GEOVIDE, including physical oceanography and trace element and isotope cyclings, are presented among seventeen articles. Here, the scientific context, project objectives and scientific strategy of GEOVIDE are provided, along with an overview of the main results from the articles published in the special issue.
    Type: Article , PeerReviewed
    Format: text
    Format: text
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  • 5
    Publication Date: 2017-04-07
    Description: The subpolar North Atlantic (SPNA) is important in the global carbon cycle because of the deep water ventilation processes that lead to both high uptake of atmospheric CO2 and large inventories of anthropogenic CO2 (Cant). Thus, it is crucial to understand its response to increasing anthropogenic pressures. In this work, the budgets of dissolved inorganic carbon (DIC), Cant and natural DIC (DICnat) in the eastern SPNA in the 2000s, are jointly analyzed using in situ data. The DICnat budget is found to be in steady state, confirming a long-standing hypothesis from in situ data for the first time. The biological activity is driving the uptake of natural CO2 from the atmosphere. The Cant increase in the ocean is solely responsible of the DIC storage rate which is explained by advection of Cant from the subtropics (65%) and Cant air-sea flux (35%). These results demonstrate that the Cant is accumulating in the SPNA without affecting the natural carbon cycle.
    Type: Article , PeerReviewed , info:eu-repo/semantics/article
    Format: text
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  • 6
    Publication Date: 2022-01-31
    Description: The Atlantic Meridional Overturning Circulation (AMOC) extends from the Southern Ocean to the northern North Atlantic, transporting heat northwards throughout the South and North Atlantic, and sinking carbon and nutrients into the deep ocean. Climate models indicate that changes to the AMOC both herald and drive climate shifts. Intensive trans-basin AMOC observational systems have been put in place to continuously monitor meridional volume transport variability, and in some cases, heat, freshwater and carbon transport. These observational programs have been used to diagnose the magnitude and origins of transport variability, and to investigate impacts of variability on essential climate variables such as sea surface temperature, ocean heat content and coastal sea level. AMOC observing approaches vary between the different systems, ranging from trans-basin arrays (OSNAP, RAPID 26 degrees N, 11 degrees S, SAMBA 34.5 degrees S) to arrays concentrating on western boundaries (e.g., RAPID WAVE, MOVE 16 degrees N). In this paper, we outline the different approaches (aims, strengths and limitations) and summarize the key results to date. We also discuss alternate approaches for capturing AMOC variability including direct estimates (e.g., using sea level, bottom pressure, and hydrography from autonomous profiling floats), indirect estimates applying budgetary approaches, state estimates or ocean reanalyses, and proxies. Based on the existing observations and their results, and the potential of new observational and formal synthesis approaches, we make suggestions as to how to evaluate a comprehensive, future-proof observational network of the AMOC to deepen our understanding of the AMOC and its role in global climate.
    Type: Article , PeerReviewed , info:eu-repo/semantics/article
    Format: text
    Format: text
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  • 7
    Publication Date: 2022-01-31
    Description: The Global Ocean Ship-Based Hydrographic Investigations Program (GO-SHIP) provides a globally coordinated network and oversight of 55 sustained decadal repeat hydrographic reference lines. GO-SHIP is part of the global ocean/climate observing systems (GOOS/GCOS) for study of physical oceanography, the ocean carbon, oxygen and nutrient cycles, and marine biogeochemistry. GO-SHIP enables assessment of the ocean sequestration of heat and carbon, changing ocean circulation and ventilation patterns, and their effects on ocean health and Earth's climate. Rapid quality control and open data release along with incorporation of the GO-SHIP effort in the Joint Technical Commission for Oceanography and Marine Meteorology (JCOMM) in situ Observing Programs Support Center (JCOMMOPS) have increased the profile of, and participation in, the program and led to increased data use for a range of efforts. In addition to scientific discovery, GO-SHIP provides climate quality observations for ongoing calibration of measurements from existing and new autonomous platforms. This includes biogeochemical observations for the nascent array of biogeochemical (BGC)-Argo floats; temperature and salinity for Deep Argo; and salinity for the core Argo array. GO-SHIP provides the relevant suite of global, full depth, high quality observations and co-located deployment opportunities that, for the foreseeable future, remain crucial to maintenance and evolution of Argo's unique contribution to climate science. The evolution of GO-SHIP from a program primarily focused on physical climate to increased emphasis on ocean health and sustainability has put an emphasis on the addition of essential ocean variables for biology and ecosystems in the program measurement suite. In conjunction with novel automated measurement systems, ocean color, particulate matter, and phytoplankton enumeration are being explored as GO-SHIP variables. The addition of biological and ecosystem measurements will enable GO-SHIP to determine trends and variability in these key indicators of ocean health. The active and adaptive community has sustained the network, quality and relevance of the global repeat hydrography effort through societally important scientific results, increased exposure, and interoperability with new efforts and opportunities within the community. Here we provide key recommendations for the continuation and growth of GO-SHIP in the next decade.
    Type: Article , PeerReviewed , info:eu-repo/semantics/article
    Format: text
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  • 8
    Publication Date: 2024-04-08
    Description: For decades oceanographers have understood the Atlantic meridional overturning circulation (AMOC) to be primarily driven by changes in the production of deep-water formation in the subpolar and subarctic North Atlantic. Indeed, current Intergovernmental Panel on Climate Change (IPCC) projections of an AMOC slowdown in the twenty-first century based on climate models are attributed to the inhibition of deep convection in the North Atlantic. However, observational evidence for this linkage has been elusive: there has been no clear demonstration of AMOC variability in response to changes in deep-water formation. The motivation for understanding this linkage is compelling, since the overturning circulation has been shown to sequester heat and anthropogenic carbon in the deep ocean. Furthermore, AMOC variability is expected to impact this sequestration as well as have consequences for regional and global climates through its effect on the poleward transport of warm water. Motivated by the need for a mechanistic understanding of the AMOC, an international community has assembled an observing system, Overturning in the Subpolar North Atlantic Program (OSNAP), to provide a continuous record of the transbasin fluxes of heat, mass, and freshwater, and to link that record to convective activity and water mass transformation at high latitudes. OSNAP, in conjunction with the Rapid Climate Change–Meridional Overturning Circulation and Heatflux Array (RAPID–MOCHA) at 26°N and other observational elements, will provide a comprehensive measure of the three-dimensional AMOC and an understanding of what drives its variability. The OSNAP observing system was fully deployed in the summer of 2014, and the first OSNAP data products are expected in the fall of 2017.
    Type: Article , PeerReviewed
    Format: text
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  • 9
    Publication Date: 2023-03-03
    Keywords: 35A3CITHER3_1; 35A3CITHER3_1_00272; Acoustic Doppler Current Profiler; ADCP; Current velocity, east-west; Current velocity, north-south; DATE/TIME; DEPTH, water; L Atalante; LATITUDE; LONGITUDE; Shipboard Acoustic Doppler Current Profiling (SADCP); WOCE; World Ocean Circulation Experiment
    Type: Dataset
    Format: text/tab-separated-values, 68186 data points
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  • 10
    Publication Date: 2023-03-03
    Keywords: 35A3CITHER3_2; 35A3CITHER3_2_00273; Acoustic Doppler Current Profiler; ADCP; Current velocity, east-west; Current velocity, north-south; DATE/TIME; DEPTH, water; L Atalante; LATITUDE; LONGITUDE; Shipboard Acoustic Doppler Current Profiling (SADCP); WOCE; World Ocean Circulation Experiment
    Type: Dataset
    Format: text/tab-separated-values, 78656 data points
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