Estimates of the Southern Ocean general circulation improved by animal‐borne instruments
Identifieur interne : 004A72 ( Main/Exploration ); précédent : 004A71; suivant : 004A73Estimates of the Southern Ocean general circulation improved by animal‐borne instruments
Auteurs : Fabien Roquet [Suède] ; Carl Wunsch [États-Unis] ; Gael Forget [États-Unis] ; Patrick Heimbach [États-Unis] ; Christophe Guinet [France] ; Gilles Reverdin [France] ; Jean-Benoit Charrassin [France] ; Frederic Bailleul [France] ; Daniel P. Costa [États-Unis] ; Luis A. Huckstadt [États-Unis] ; Kimberly T. Goetz [États-Unis] ; Kit M. Kovacs [Norvège] ; Christian Lydersen [Norvège] ; Martin Biuw [Norvège] ; Ole A. N St [Norvège] ; Horst Bornemann [Allemagne] ; Joachim Ploetz [Allemagne] ; Marthan N. Bester [Afrique du Sud] ; Trevor Mcintyre [Afrique du Sud] ; Monica C. Muelbert [Brésil] ; Mark A. Hindell [Australie] ; Clive R. Mcmahon [Australie] ; Guy Williams [Australie] ; Robert Harcourt [Australie] ; Iain C. Field [Australie] ; Leon Chafik [Suède] ; Keith W. Nicholls [Royaume-Uni] ; Lars Boehme [Royaume-Uni] ; Mike A. Fedak [Royaume-Uni]Source :
- Geophysical Research Letters [ 0094-8276 ] ; 2013-12-16.
Descripteurs français
- Wicri :
- topic : Base de données.
English descriptors
- KwdEn :
- Anonymous reviewers, Antarctic, Antarctic peninsula, Argo, Argo data, Data loggers, Data sets, Database, Elephant seals, Fedak, Geophysical research letters, Hydrographic, Hydrographic data, Independent satellite observations, Largest differences, Mammal, Marine mammals, Ocean circulation, Ocean observations, Oceans pole, Planetary sciences, Roquet, Ross seas, Salinity, Satellite observations, Seal data, Seal state estimate, Seal state estimates, Seals sample, Southern limit, Southern ocean, Southern ocean state estimate, State estimate, State estimate experiments, State estimates, Stockholm university, Surface salinity, Temporal variability, World ocean atlas.
- Teeft :
- Anonymous reviewers, Antarctic, Antarctic peninsula, Argo, Argo data, Data loggers, Data sets, Database, Elephant seals, Fedak, Geophysical research letters, Hydrographic, Hydrographic data, Independent satellite observations, Largest differences, Mammal, Marine mammals, Ocean circulation, Ocean observations, Oceans pole, Planetary sciences, Roquet, Ross seas, Salinity, Satellite observations, Seal data, Seal state estimate, Seal state estimates, Seals sample, Southern limit, Southern ocean, Southern ocean state estimate, State estimate, State estimate experiments, State estimates, Stockholm university, Surface salinity, Temporal variability, World ocean atlas.
Abstract
Over the last decade, several hundred seals have been equipped with conductivity‐temperature‐depth sensors in the Southern Ocean for both biological and physical oceanographic studies. A calibrated collection of seal‐derived hydrographic data is now available, consisting of more than 165,000 profiles. The value of these hydrographic data within the existing Southern Ocean observing system is demonstrated herein by conducting two state estimation experiments, differing only in the use or not of seal data to constrain the system. Including seal‐derived data substantially modifies the estimated surface mixed‐layer properties and circulation patterns within and south of the Antarctic Circumpolar Current. Agreement with independent satellite observations of sea ice concentration is improved, especially along the East Antarctic shelf. Instrumented animals efficiently reduce a critical observational gap, and their contribution to monitoring polar climate variability will continue to grow as data accuracy and spatial coverage increase.
Url:
DOI: 10.1002/2013GL058304
Affiliations:
- Afrique du Sud, Allemagne, Australie, Brésil, France, Norvège, Royaume-Uni, Suède, États-Unis
- Massachusetts, Nouvelle-Galles du Sud, Rio Grande do Sul, Svealand, Île-de-France
- Cambridge (Massachusetts), Paris, Porto Alegre, Stockholm, Sydney
- Université Harvard, Université de Stockholm
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Nicholls</name><affiliation wicri:level="1"><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>British Antarctic Survey, Natural Environment Research Council, Cambridge</wicri:regionArea><wicri:noRegion>Cambridge</wicri:noRegion></affiliation></author><author><name sortKey="Boehme, Lars" sort="Boehme, Lars" uniqKey="Boehme L" first="Lars" last="Boehme">Lars Boehme</name><affiliation wicri:level="1"><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>Sea Mammal Research Unit, Scottish Oceans Institute, University of St Andrews, St Andrews</wicri:regionArea><wicri:noRegion>St Andrews</wicri:noRegion></affiliation></author><author><name sortKey="Fedak, Mike A" sort="Fedak, Mike A" uniqKey="Fedak M" first="Mike A." last="Fedak">Mike A. Fedak</name><affiliation wicri:level="1"><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>Sea Mammal Research Unit, Scottish Oceans Institute, University of St Andrews, St Andrews</wicri:regionArea><wicri:noRegion>St Andrews</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j" type="main">Geophysical Research Letters</title><title level="j" type="alt">GEOPHYSICAL RESEARCH LETTERS</title><idno type="ISSN">0094-8276</idno><idno type="eISSN">1944-8007</idno><imprint><biblScope unit="vol">40</biblScope><biblScope unit="issue">23</biblScope><biblScope unit="page" from="6176">6176</biblScope><biblScope unit="page" to="6180">6180</biblScope><biblScope unit="page-count">5</biblScope><date type="published" when="2013-12-16">2013-12-16</date></imprint><idno type="ISSN">0094-8276</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0094-8276</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Anonymous reviewers</term><term>Antarctic</term><term>Antarctic peninsula</term><term>Argo</term><term>Argo data</term><term>Data loggers</term><term>Data sets</term><term>Database</term><term>Elephant seals</term><term>Fedak</term><term>Geophysical research letters</term><term>Hydrographic</term><term>Hydrographic data</term><term>Independent satellite observations</term><term>Largest differences</term><term>Mammal</term><term>Marine mammals</term><term>Ocean circulation</term><term>Ocean observations</term><term>Oceans pole</term><term>Planetary sciences</term><term>Roquet</term><term>Ross seas</term><term>Salinity</term><term>Satellite observations</term><term>Seal data</term><term>Seal state estimate</term><term>Seal state estimates</term><term>Seals sample</term><term>Southern limit</term><term>Southern ocean</term><term>Southern ocean state estimate</term><term>State estimate</term><term>State estimate experiments</term><term>State estimates</term><term>Stockholm university</term><term>Surface salinity</term><term>Temporal variability</term><term>World ocean atlas</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Anonymous reviewers</term><term>Antarctic</term><term>Antarctic peninsula</term><term>Argo</term><term>Argo data</term><term>Data loggers</term><term>Data sets</term><term>Database</term><term>Elephant seals</term><term>Fedak</term><term>Geophysical research letters</term><term>Hydrographic</term><term>Hydrographic data</term><term>Independent satellite observations</term><term>Largest differences</term><term>Mammal</term><term>Marine mammals</term><term>Ocean circulation</term><term>Ocean observations</term><term>Oceans pole</term><term>Planetary sciences</term><term>Roquet</term><term>Ross seas</term><term>Salinity</term><term>Satellite observations</term><term>Seal data</term><term>Seal state estimate</term><term>Seal state estimates</term><term>Seals sample</term><term>Southern limit</term><term>Southern ocean</term><term>Southern ocean state estimate</term><term>State estimate</term><term>State estimate experiments</term><term>State estimates</term><term>Stockholm university</term><term>Surface salinity</term><term>Temporal variability</term><term>World ocean atlas</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Base de données</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract">Over the last decade, several hundred seals have been equipped with conductivity‐temperature‐depth sensors in the Southern Ocean for both biological and physical oceanographic studies. A calibrated collection of seal‐derived hydrographic data is now available, consisting of more than 165,000 profiles. The value of these hydrographic data within the existing Southern Ocean observing system is demonstrated herein by conducting two state estimation experiments, differing only in the use or not of seal data to constrain the system. Including seal‐derived data substantially modifies the estimated surface mixed‐layer properties and circulation patterns within and south of the Antarctic Circumpolar Current. Agreement with independent satellite observations of sea ice concentration is improved, especially along the East Antarctic shelf. Instrumented animals efficiently reduce a critical observational gap, and their contribution to monitoring polar climate variability will continue to grow as data accuracy and spatial coverage increase.</div></front></TEI><affiliations><list><country><li>Afrique du Sud</li><li>Allemagne</li><li>Australie</li><li>Brésil</li><li>France</li><li>Norvège</li><li>Royaume-Uni</li><li>Suède</li><li>États-Unis</li></country><region><li>Massachusetts</li><li>Nouvelle-Galles du Sud</li><li>Rio Grande do Sul</li><li>Svealand</li><li>Île-de-France</li></region><settlement><li>Cambridge (Massachusetts)</li><li>Paris</li><li>Porto Alegre</li><li>Stockholm</li><li>Sydney</li></settlement><orgName><li>Université Harvard</li><li>Université de Stockholm</li></orgName></list><tree><country name="Suède"><region name="Svealand"><name sortKey="Roquet, Fabien" sort="Roquet, Fabien" uniqKey="Roquet F" first="Fabien" last="Roquet">Fabien Roquet</name></region><name sortKey="Chafik, Leon" sort="Chafik, Leon" uniqKey="Chafik L" first="Leon" last="Chafik">Leon Chafik</name></country><country name="États-Unis"><region name="Massachusetts"><name sortKey="Wunsch, Carl" sort="Wunsch, Carl" uniqKey="Wunsch C" first="Carl" last="Wunsch">Carl Wunsch</name></region><name sortKey="Costa, Daniel P" sort="Costa, Daniel P" uniqKey="Costa D" first="Daniel P." last="Costa">Daniel P. Costa</name><name sortKey="Forget, Gael" sort="Forget, Gael" uniqKey="Forget G" first="Gael" last="Forget">Gael Forget</name><name sortKey="Goetz, Kimberly T" sort="Goetz, Kimberly T" uniqKey="Goetz K" first="Kimberly T." last="Goetz">Kimberly T. Goetz</name><name sortKey="Heimbach, Patrick" sort="Heimbach, Patrick" uniqKey="Heimbach P" first="Patrick" last="Heimbach">Patrick Heimbach</name><name sortKey="Huckstadt, Luis A" sort="Huckstadt, Luis A" uniqKey="Huckstadt L" first="Luis A." last="Huckstadt">Luis A. Huckstadt</name></country><country name="France"><noRegion><name sortKey="Guinet, Christophe" sort="Guinet, Christophe" uniqKey="Guinet C" first="Christophe" last="Guinet">Christophe Guinet</name></noRegion><name sortKey="Bailleul, Frederic" sort="Bailleul, Frederic" uniqKey="Bailleul F" first="Frederic" last="Bailleul">Frederic Bailleul</name><name sortKey="Charrassin, Jean Enoit" sort="Charrassin, Jean Enoit" uniqKey="Charrassin J" first="Jean-Benoit" last="Charrassin">Jean-Benoit Charrassin</name><name sortKey="Reverdin, Gilles" sort="Reverdin, Gilles" uniqKey="Reverdin G" first="Gilles" last="Reverdin">Gilles Reverdin</name></country><country name="Norvège"><noRegion><name sortKey="Kovacs, Kit M" sort="Kovacs, Kit M" uniqKey="Kovacs K" first="Kit M." last="Kovacs">Kit M. Kovacs</name></noRegion><name sortKey="Biuw, Martin" sort="Biuw, Martin" uniqKey="Biuw M" first="Martin" last="Biuw">Martin Biuw</name><name sortKey="Lydersen, Christian" sort="Lydersen, Christian" uniqKey="Lydersen C" first="Christian" last="Lydersen">Christian Lydersen</name><name sortKey="N St, Ole A" sort="N St, Ole A" uniqKey="N St O" first="Ole A." last="N St">Ole A. N St</name></country><country name="Allemagne"><noRegion><name sortKey="Bornemann, Horst" sort="Bornemann, Horst" uniqKey="Bornemann H" first="Horst" last="Bornemann">Horst Bornemann</name></noRegion><name sortKey="Ploetz, Joachim" sort="Ploetz, Joachim" uniqKey="Ploetz J" first="Joachim" last="Ploetz">Joachim Ploetz</name></country><country name="Afrique du Sud"><noRegion><name sortKey="Bester, Marthan N" sort="Bester, Marthan N" uniqKey="Bester M" first="Marthan N." last="Bester">Marthan N. Bester</name></noRegion><name sortKey="Mcintyre, Trevor" sort="Mcintyre, Trevor" uniqKey="Mcintyre T" first="Trevor" last="Mcintyre">Trevor Mcintyre</name></country><country name="Brésil"><region name="Rio Grande do Sul"><name sortKey="Muelbert, Monica C" sort="Muelbert, Monica C" uniqKey="Muelbert M" first="Monica C." last="Muelbert">Monica C. Muelbert</name></region></country><country name="Australie"><noRegion><name sortKey="Hindell, Mark A" sort="Hindell, Mark A" uniqKey="Hindell M" first="Mark A." last="Hindell">Mark A. Hindell</name></noRegion><name sortKey="Field, Iain C" sort="Field, Iain C" uniqKey="Field I" first="Iain C." last="Field">Iain C. Field</name><name sortKey="Harcourt, Robert" sort="Harcourt, Robert" uniqKey="Harcourt R" first="Robert" last="Harcourt">Robert Harcourt</name><name sortKey="Mcmahon, Clive R" sort="Mcmahon, Clive R" uniqKey="Mcmahon C" first="Clive R." last="Mcmahon">Clive R. Mcmahon</name><name sortKey="Williams, Guy" sort="Williams, Guy" uniqKey="Williams G" first="Guy" last="Williams">Guy Williams</name></country><country name="Royaume-Uni"><noRegion><name sortKey="Nicholls, Keith W" sort="Nicholls, Keith W" uniqKey="Nicholls K" first="Keith W." last="Nicholls">Keith W. Nicholls</name></noRegion><name sortKey="Boehme, Lars" sort="Boehme, Lars" uniqKey="Boehme L" first="Lars" last="Boehme">Lars Boehme</name><name sortKey="Fedak, Mike A" sort="Fedak, Mike A" uniqKey="Fedak M" first="Mike A." last="Fedak">Mike A. Fedak</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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