Impact of atmospheric forcing data on simulations of the Laptev Sea polynya dynamics using the sea‐ice ocean model FESOM
Identifieur interne : 001C05 ( Istex/Corpus ); précédent : 001C04; suivant : 001C06Impact of atmospheric forcing data on simulations of the Laptev Sea polynya dynamics using the sea‐ice ocean model FESOM
Auteurs : T. Ernsdorf ; D. Schröder ; S. Adams ; G. Heinemann ; R. Timmermann ; S. DanilovSource :
- Journal of Geophysical Research: Oceans [ 0148-0227 ] ; 2011-12.
Abstract
The polynyas of the Laptev Sea are regions of particular interest due to the strong formation of Arctic sea‐ice. In order to simulate the polynya dynamics and to quantify ice production, we apply the Finite Element Sea‐Ice Ocean Model FESOM. In previous simulations FESOM has been forced with daily atmospheric NCEP (National Centers for Environmental Prediction) 1. For the periods 1 April to 9 May 2008 and 1 January to 8 February 2009 we examine the impact of different forcing data: daily and 6‐hourly NCEP reanalyses 1 (1.875° × 1.875°), 6‐hourly NCEP reanalyses 2 (1.875° × 1.875°), 6‐hourly analyses from the GME (Global Model of the German Weather Service) (0.5° × 0.5°) and high‐resolution hourly COSMO (Consortium for Small‐Scale Modeling) data (5 km × 5 km). In all FESOM simulations, except for those with 6‐hourly and daily NCEP 1 data, the openings and closings of polynyas are simulated in principle agreement with satellite products. Over the fast‐ice area the wind fields of all atmospheric data are similar and close to in situ measurements. Over the polynya areas, however, there are strong differences between the forcing data with respect to air temperature and turbulent heat flux. These differences have a strong impact on sea‐ice production rates. Depending on the forcing fields polynya ice production ranges from 1.4 km3 to 7.8 km3 during 1 April to 9 May 2011 and from 25.7 km3 to 66.2 km3 during 1 January to 8 February 2009. Therefore, atmospheric forcing data with high spatial and temporal resolution which account for the presence of the polynyas are needed to reduce the uncertainty in quantifying ice production in polynyas.
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DOI: 10.1029/2010JC006725
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Schröder</name><affiliation><mods:affiliation>Department of Environmental Meteorology, Faculty of Geosciences, University of Trier, Trier, Germany</mods:affiliation></affiliation><affiliation><mods:affiliation>Centre for Polar Observation and Modelling, Sea Ice Dynamics and Thermodynamics, Pearson Building, University College London, London, UK</mods:affiliation></affiliation></author><author><name sortKey="Adams, S" sort="Adams, S" uniqKey="Adams S" first="S." last="Adams">S. Adams</name><affiliation><mods:affiliation>Department of Environmental Meteorology, Faculty of Geosciences, University of Trier, Trier, Germany</mods:affiliation></affiliation></author><author><name sortKey="Heinemann, G" sort="Heinemann, G" uniqKey="Heinemann G" first="G." last="Heinemann">G. 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Ernsdorf</name><affiliation><mods:affiliation>Department of Environmental Meteorology, Faculty of Geosciences, University of Trier, Trier, Germany</mods:affiliation></affiliation><affiliation><mods:affiliation>E-mail: ernsdorf@uni‐trier.de</mods:affiliation></affiliation></author><author><name sortKey="Schroder, D" sort="Schroder, D" uniqKey="Schroder D" first="D." last="Schröder">D. Schröder</name><affiliation><mods:affiliation>Department of Environmental Meteorology, Faculty of Geosciences, University of Trier, Trier, Germany</mods:affiliation></affiliation><affiliation><mods:affiliation>Centre for Polar Observation and Modelling, Sea Ice Dynamics and Thermodynamics, Pearson Building, University College London, London, UK</mods:affiliation></affiliation></author><author><name sortKey="Adams, S" sort="Adams, S" uniqKey="Adams S" first="S." last="Adams">S. Adams</name><affiliation><mods:affiliation>Department of Environmental Meteorology, Faculty of Geosciences, University of Trier, Trier, Germany</mods:affiliation></affiliation></author><author><name sortKey="Heinemann, G" sort="Heinemann, G" uniqKey="Heinemann G" first="G." last="Heinemann">G. Heinemann</name><affiliation><mods:affiliation>Department of Environmental Meteorology, Faculty of Geosciences, University of Trier, Trier, Germany</mods:affiliation></affiliation></author><author><name sortKey="Timmermann, R" sort="Timmermann, R" uniqKey="Timmermann R" first="R." last="Timmermann">R. Timmermann</name><affiliation><mods:affiliation>Division of Climate Sciences, Ocean Dynamics and Sea Ice Physics, Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany</mods:affiliation></affiliation></author><author><name sortKey="Danilov, S" sort="Danilov, S" uniqKey="Danilov S" first="S." last="Danilov">S. Danilov</name><affiliation><mods:affiliation>Division of Climate Sciences, Ocean Dynamics and Sea Ice Physics, Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j">Journal of Geophysical Research: Oceans</title><title level="j" type="abbrev">J. Geophys. Res.</title><idno type="ISSN">0148-0227</idno><idno type="eISSN">2156-2202</idno><imprint><publisher>Blackwell Publishing Ltd</publisher><date type="published" when="2011-12">2011-12</date><biblScope unit="volume">116</biblScope><biblScope unit="issue">C12</biblScope><biblScope unit="page" from="/">n/a</biblScope><biblScope unit="page" to="/">n/a</biblScope></imprint><idno type="ISSN">0148-0227</idno></series><idno type="istex">3420B6B0F94606F968C7DE1510D757B330CA2768</idno><idno type="DOI">10.1029/2010JC006725</idno><idno type="ArticleID">2010JC006725</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0148-0227</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract">The polynyas of the Laptev Sea are regions of particular interest due to the strong formation of Arctic sea‐ice. In order to simulate the polynya dynamics and to quantify ice production, we apply the Finite Element Sea‐Ice Ocean Model FESOM. In previous simulations FESOM has been forced with daily atmospheric NCEP (National Centers for Environmental Prediction) 1. For the periods 1 April to 9 May 2008 and 1 January to 8 February 2009 we examine the impact of different forcing data: daily and 6‐hourly NCEP reanalyses 1 (1.875° × 1.875°), 6‐hourly NCEP reanalyses 2 (1.875° × 1.875°), 6‐hourly analyses from the GME (Global Model of the German Weather Service) (0.5° × 0.5°) and high‐resolution hourly COSMO (Consortium for Small‐Scale Modeling) data (5 km × 5 km). In all FESOM simulations, except for those with 6‐hourly and daily NCEP 1 data, the openings and closings of polynyas are simulated in principle agreement with satellite products. Over the fast‐ice area the wind fields of all atmospheric data are similar and close to in situ measurements. Over the polynya areas, however, there are strong differences between the forcing data with respect to air temperature and turbulent heat flux. These differences have a strong impact on sea‐ice production rates. Depending on the forcing fields polynya ice production ranges from 1.4 km3 to 7.8 km3 during 1 April to 9 May 2011 and from 25.7 km3 to 66.2 km3 during 1 January to 8 February 2009. Therefore, atmospheric forcing data with high spatial and temporal resolution which account for the presence of the polynyas are needed to reduce the uncertainty in quantifying ice production in polynyas.</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>T. Ernsdorf</name><affiliations><json:string>Department of Environmental Meteorology, Faculty of Geosciences, University of Trier, Trier, Germany</json:string><json:string>E-mail: ernsdorf@uni‐trier.de</json:string></affiliations></json:item><json:item><name>D. Schröder</name><affiliations><json:string>Department of Environmental Meteorology, Faculty of Geosciences, University of Trier, Trier, Germany</json:string><json:string>Centre for Polar Observation and Modelling, Sea Ice Dynamics and Thermodynamics, Pearson Building, University College London, London, UK</json:string></affiliations></json:item><json:item><name>S. Adams</name><affiliations><json:string>Department of Environmental Meteorology, Faculty of Geosciences, University of Trier, Trier, Germany</json:string></affiliations></json:item><json:item><name>G. Heinemann</name><affiliations><json:string>Department of Environmental Meteorology, Faculty of Geosciences, University of Trier, Trier, Germany</json:string></affiliations></json:item><json:item><name>R. 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Danilov</name><affiliations><json:string>Division of Climate Sciences, Ocean Dynamics and Sea Ice Physics, Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>Laptev Sea</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>atmospheric forcing</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>polynya</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>sea ice modeling</value></json:item></subject><articleId><json:string>2010JC006725</json:string></articleId><language><json:string>eng</json:string></language><originalGenre><json:string>article</json:string></originalGenre><qualityIndicators><score>9.5</score><pdfVersion>1.6</pdfVersion><pdfPageSize>612 x 792 pts (letter)</pdfPageSize><refBibsNative>true</refBibsNative><abstractCharCount>1658</abstractCharCount><pdfWordCount>9399</pdfWordCount><pdfCharCount>56137</pdfCharCount><pdfPageCount>18</pdfPageCount><abstractWordCount>271</abstractWordCount></qualityIndicators><title>Impact of atmospheric forcing data on simulations of the Laptev Sea polynya dynamics using the sea‐ice ocean model FESOM</title><refBibs><json:item><author><json:item><name>S. 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sciences</json:string></scienceMetrix></categories><publicationDate>2011</publicationDate><copyrightDate>2011</copyrightDate><doi><json:string>10.1029/2010JC006725</json:string></doi><id>3420B6B0F94606F968C7DE1510D757B330CA2768</id><score>1.1466142</score><fulltext><json:item><extension>pdf</extension><original>true</original><mimetype>application/pdf</mimetype><uri>https://api.istex.fr/document/3420B6B0F94606F968C7DE1510D757B330CA2768/fulltext/pdf</uri></json:item><json:item><extension>zip</extension><original>false</original><mimetype>application/zip</mimetype><uri>https://api.istex.fr/document/3420B6B0F94606F968C7DE1510D757B330CA2768/fulltext/zip</uri></json:item><istex:fulltextTEI uri="https://api.istex.fr/document/3420B6B0F94606F968C7DE1510D757B330CA2768/fulltext/tei"><teiHeader><fileDesc><titleStmt><title level="a" type="main" xml:lang="en">Impact of atmospheric forcing data on simulations of the Laptev Sea polynya dynamics using the sea‐ice ocean model FESOM</title></titleStmt><publicationStmt><authority>ISTEX</authority><publisher>Blackwell Publishing Ltd</publisher><availability><p>Copyright 2011 by the American Geophysical Union</p></availability><date>2011</date></publicationStmt><notesStmt><note>Tab‐delimited Table 1a.Tab‐delimited Table 1b.Tab‐delimited Table 2a.Tab‐delimited Table 2b.</note></notesStmt><sourceDesc><biblStruct type="inbook"><analytic><title level="a" type="main" xml:lang="en">Impact of atmospheric forcing data on simulations of the Laptev Sea polynya dynamics using the sea‐ice ocean model FESOM</title><author xml:id="author-1"><persName><forename type="first">T.</forename><surname>Ernsdorf</surname></persName><email>ernsdorf@uni‐trier.de</email><affiliation>Department of Environmental Meteorology, Faculty of Geosciences, University of Trier, Trier, Germany</affiliation></author><author xml:id="author-2"><persName><forename type="first">D.</forename><surname>Schröder</surname></persName><affiliation>Department of Environmental Meteorology, Faculty of Geosciences, University of Trier, Trier, Germany</affiliation><affiliation>Centre for Polar Observation and Modelling, Sea Ice Dynamics and Thermodynamics, Pearson Building, University College London, London, UK</affiliation></author><author xml:id="author-3"><persName><forename type="first">S.</forename><surname>Adams</surname></persName><affiliation>Department of Environmental Meteorology, Faculty of Geosciences, University of Trier, Trier, Germany</affiliation></author><author xml:id="author-4"><persName><forename type="first">G.</forename><surname>Heinemann</surname></persName><affiliation>Department of Environmental Meteorology, Faculty of Geosciences, University of Trier, Trier, Germany</affiliation></author><author xml:id="author-5"><persName><forename type="first">R.</forename><surname>Timmermann</surname></persName><affiliation>Division of Climate Sciences, Ocean Dynamics and Sea Ice Physics, Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany</affiliation></author><author xml:id="author-6"><persName><forename type="first">S.</forename><surname>Danilov</surname></persName><affiliation>Division of Climate Sciences, Ocean Dynamics and Sea Ice Physics, Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany</affiliation></author></analytic><monogr><title level="j">Journal of Geophysical Research: Oceans</title><title level="j" type="abbrev">J. Geophys. Res.</title><idno type="pISSN">0148-0227</idno><idno type="eISSN">2156-2202</idno><idno type="DOI">10.1002/(ISSN)2156-2202c</idno><imprint><publisher>Blackwell Publishing Ltd</publisher><date type="published" when="2011-12"></date><biblScope unit="volume">116</biblScope><biblScope unit="issue">C12</biblScope><biblScope unit="page" from="/">n/a</biblScope><biblScope unit="page" to="/">n/a</biblScope></imprint></monogr><idno type="istex">3420B6B0F94606F968C7DE1510D757B330CA2768</idno><idno type="DOI">10.1029/2010JC006725</idno><idno type="ArticleID">2010JC006725</idno></biblStruct></sourceDesc></fileDesc><profileDesc><creation><date>2011</date></creation><langUsage><language ident="en">en</language></langUsage><abstract><p>The polynyas of the Laptev Sea are regions of particular interest due to the strong formation of Arctic sea‐ice. In order to simulate the polynya dynamics and to quantify ice production, we apply the Finite Element Sea‐Ice Ocean Model FESOM. In previous simulations FESOM has been forced with daily atmospheric NCEP (National Centers for Environmental Prediction) 1. For the periods 1 April to 9 May 2008 and 1 January to 8 February 2009 we examine the impact of different forcing data: daily and 6‐hourly NCEP reanalyses 1 (1.875° × 1.875°), 6‐hourly NCEP reanalyses 2 (1.875° × 1.875°), 6‐hourly analyses from the GME (Global Model of the German Weather Service) (0.5° × 0.5°) and high‐resolution hourly COSMO (Consortium for Small‐Scale Modeling) data (5 km × 5 km). In all FESOM simulations, except for those with 6‐hourly and daily NCEP 1 data, the openings and closings of polynyas are simulated in principle agreement with satellite products. Over the fast‐ice area the wind fields of all atmospheric data are similar and close to in situ measurements. Over the polynya areas, however, there are strong differences between the forcing data with respect to air temperature and turbulent heat flux. These differences have a strong impact on sea‐ice production rates. Depending on the forcing fields polynya ice production ranges from 1.4 km3 to 7.8 km3 during 1 April to 9 May 2011 and from 25.7 km3 to 66.2 km3 during 1 January to 8 February 2009. Therefore, atmospheric forcing data with high spatial and temporal resolution which account for the presence of the polynyas are needed to reduce the uncertainty in quantifying ice production in polynyas.</p></abstract><abstract style="short"><p>Estimations of polynya sea‐ice production strongly depend on atmospheric forcing data The ABL over polynyas shows significant differences between the forcing data Model forcing data are required which take the impact of polynyas into account</p></abstract><textClass><keywords scheme="keyword"><list><head>keywords</head><item><term>Laptev Sea</term></item><item><term>atmospheric forcing</term></item><item><term>polynya</term></item><item><term>sea ice modeling</term></item></list></keywords></textClass><textClass><keywords scheme="Journal Subject"><list><head>index-terms</head><item><term>CRYOSPHERE</term></item><item><term>Sea ice</term></item><item><term>Polynas</term></item><item><term>Remote sensing</term></item><item><term>Dynamics</term></item><item><term>Modeling</term></item><item><term>INFORMATICS</term></item><item><term>Modeling</term></item><item><term>NATURAL HAZARDS</term></item><item><term>Physical modeling</term></item><item><term>OCEANOGRAPHY: PHYSICAL</term></item><item><term>Ice mechanics and air/sea/ice exchange processes</term></item><item><term>Ice mechanics and air/sea/ice exchange processes</term></item></list></keywords></textClass></profileDesc><revisionDesc><change when="2010-10-13">Received</change><change when="2011-10-16">Registration</change><change when="2011-12">Published</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api.istex.fr/document/3420B6B0F94606F968C7DE1510D757B330CA2768/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Wiley, elements deleted: body"><istex:xmlDeclaration>version="1.0" encoding="UTF-8" standalone="yes"</istex:xmlDeclaration><istex:document><component type="serialArticle" version="2.0" xml:lang="en" xml:id="jgrc11938"><header><publicationMeta level="product"><doi>10.1002/(ISSN)2156-2202c</doi><issn type="print">0148-0227</issn><issn type="electronic">2156-2202</issn><idGroup><id type="product" value="JGRC"></id><id type="coden" value="JGREA2"></id></idGroup><titleGroup><title type="main" xml:lang="en" sort="JOURNAL OF GEOPHYSICAL RESEARCH: OCEANS">Journal of Geophysical Research: Oceans</title><title type="short">J. Geophys. Res.</title></titleGroup></publicationMeta><publicationMeta level="part" position="120"><doi>10.1002/jgrc.v116.C12</doi><idGroup><id type="focusSection" value="3"></id></idGroup><titleGroup><title type="focusSection" xml:lang="en">Journal of Geophysical Research: Oceans</title></titleGroup><numberingGroup><numbering type="journalVolume" number="116">116</numbering><numbering type="journalIssue">C12</numbering></numberingGroup><coverDate startDate="2011-12">December 2011</coverDate></publicationMeta><publicationMeta level="unit" type="article" position="70" status="forIssue"><doi>10.1029/2010JC006725</doi><idGroup><id type="editorialOffice" value="2010JC006725"></id><id type="society" value="C12038"></id><id type="unit" value="JGRC11938"></id></idGroup><countGroup><count type="pageTotal" number="18"></count></countGroup><copyright ownership="thirdParty">Copyright 2011 by the American Geophysical Union</copyright><eventGroup><event type="manuscriptReceived" date="2010-10-13"></event><event type="manuscriptRevised" date="2011-10-07"></event><event type="manuscriptAccepted" date="2011-10-16"></event><event type="firstOnline" date="2011-12-24"></event><event type="publishedOnlineFinalForm" date="2011-12-24"></event><event type="xmlConverted" agent="SPi Global Converter:AGUv5.2_TO_WileyML3Gv1.0.3 version:1.1; AGU2WileyML3G Final Clean Up v1.0; WileyML 3G Packaging Tool v1.0" date="2013-01-24"></event><event type="xmlConverted" agent="Converter:WILEY_ML3G_TO_WILEY_ML3GV2 version:4.0.1" date="2014-03-20"></event><event type="xmlConverted" agent="Converter:WML3G_To_WML3G version:4.1.7 mode:FullText,remove_FC" date="2014-10-30"></event></eventGroup><numberingGroup><numbering type="pageFirst">n/a</numbering><numbering type="pageLast">n/a</numbering></numberingGroup><subjectInfo><subject href="http://psi.agu.org/taxonomy5/0700">CRYOSPHERE</subject><subjectInfo><subject href="http://psi.agu.org/taxonomy5/0750">Sea ice</subject><subject href="http://psi.agu.org/taxonomy5/0752">Polynas</subject><subject href="http://psi.agu.org/taxonomy5/0758">Remote sensing</subject><subject href="http://psi.agu.org/taxonomy5/0774">Dynamics</subject><subject href="http://psi.agu.org/taxonomy5/0798">Modeling</subject></subjectInfo><subject role="crossTerm" href="http://psi.agu.org/taxonomy5/1900">INFORMATICS</subject><subjectInfo><subject role="crossTerm" href="http://psi.agu.org/taxonomy5/1952">Modeling</subject></subjectInfo><subject role="crossTerm" href="http://psi.agu.org/taxonomy5/4300">NATURAL HAZARDS</subject><subjectInfo><subject role="crossTerm" href="http://psi.agu.org/taxonomy5/4316">Physical modeling</subject></subjectInfo><subject role="crossTerm" href="http://psi.agu.org/taxonomy5/4500">OCEANOGRAPHY: PHYSICAL</subject><subjectInfo><subject role="crossTerm" href="http://psi.agu.org/taxonomy5/4540">Ice mechanics and air/sea/ice exchange processes</subject><subject role="crossTerm" href="http://psi.agu.org/taxonomy5/4540">Ice mechanics and air/sea/ice exchange processes</subject></subjectInfo></subjectInfo><selfCitationGroup><citation xml:id="jgrc11938-cit-0000" type="self"><author><familyName>Ernsdorf</familyName>, <givenNames>T.</givenNames></author>, <author><givenNames>D.</givenNames> <familyName>Schröder</familyName></author>, <author><givenNames>S.</givenNames> <familyName>Adams</familyName></author>, <author><givenNames>G.</givenNames> <familyName>Heinemann</familyName></author>, <author><givenNames>R.</givenNames> <familyName>Timmermann</familyName></author>, and <author><givenNames>S.</givenNames> <familyName>Danilov</familyName> </author> (<pubYear year="2011">2011</pubYear>), <articleTitle>Impact of atmospheric forcing data on simulations of the Laptev Sea polynya dynamics using the sea‐ice ocean model FESOM</articleTitle>, <journalTitle>J. Geophys. Res.</journalTitle>, <vol>116</vol>, C12038, doi:<accessionId ref="info:doi/10.1029/2010JC006725">10.1029/2010JC006725</accessionId>.</citation></selfCitationGroup><linkGroup><link type="toTypesetVersion" href="file:JGRC.JGRC11938.pdf"></link></linkGroup></publicationMeta><contentMeta><countGroup><count type="wordTotal" number="10400"></count><count type="figureTotal" number="8"></count><count type="tableTotal" number="4"></count></countGroup><titleGroup><title type="main">Impact of atmospheric forcing data on simulations of the Laptev Sea polynya dynamics using the sea‐ice ocean model FESOM</title><title type="shortAuthors">ERNSDORF ET AL.</title><title type="short">IMPACT OF ATMOSPHERIC FORCING DATA</title></titleGroup><creators><creator xml:id="jgrc11938-cr-0001" creatorRole="author" affiliationRef="#jgrc11938-aff-0001"><personName><givenNames>T.</givenNames><familyName>Ernsdorf</familyName></personName><contactDetails><email normalForm="ernsdorf@uni-trier.de">ernsdorf@uni‐trier.de</email></contactDetails></creator><creator xml:id="jgrc11938-cr-0002" creatorRole="author" affiliationRef="#jgrc11938-aff-0001 #jgrc11938-aff-0002"><personName><givenNames>D.</givenNames><familyName>Schröder</familyName></personName></creator><creator xml:id="jgrc11938-cr-0003" creatorRole="author" affiliationRef="#jgrc11938-aff-0001"><personName><givenNames>S.</givenNames><familyName>Adams</familyName></personName></creator><creator xml:id="jgrc11938-cr-0004" creatorRole="author" affiliationRef="#jgrc11938-aff-0001"><personName><givenNames>G.</givenNames><familyName>Heinemann</familyName></personName></creator><creator xml:id="jgrc11938-cr-0005" creatorRole="author" affiliationRef="#jgrc11938-aff-0003"><personName><givenNames>R.</givenNames><familyName>Timmermann</familyName></personName></creator><creator xml:id="jgrc11938-cr-0006" creatorRole="author" affiliationRef="#jgrc11938-aff-0003"><personName><givenNames>S.</givenNames><familyName>Danilov</familyName></personName></creator></creators><affiliationGroup><affiliation xml:id="jgrc11938-aff-0001" countryCode="DE" type="organization"><unparsedAffiliation>Department of Environmental Meteorology, Faculty of Geosciences, University of Trier, Trier, Germany</unparsedAffiliation></affiliation><affiliation xml:id="jgrc11938-aff-0002" countryCode="GB" type="organization"><unparsedAffiliation>Centre for Polar Observation and Modelling, Sea Ice Dynamics and Thermodynamics, Pearson Building, University College London, London, UK</unparsedAffiliation></affiliation><affiliation xml:id="jgrc11938-aff-0003" countryCode="DE" type="organization"><unparsedAffiliation>Division of Climate Sciences, Ocean Dynamics and Sea Ice Physics, Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany</unparsedAffiliation></affiliation></affiliationGroup><keywordGroup type="author"><keyword xml:id="jgrc11938-kwd-0001">Laptev Sea</keyword><keyword xml:id="jgrc11938-kwd-0002">atmospheric forcing</keyword><keyword xml:id="jgrc11938-kwd-0003">polynya</keyword><keyword xml:id="jgrc11938-kwd-0004">sea ice modeling</keyword></keywordGroup><supportingInformation><supportingInfoItem><mediaResource alt="supplementary data" mimeType="text/plain" href="urn-x:wiley:01480227:media:jgrc11938:jgrc11938-sup-0001-t01"></mediaResource><caption>Tab‐delimited Table 1a.</caption></supportingInfoItem><supportingInfoItem><mediaResource alt="supplementary data" mimeType="text/plain" href="urn-x:wiley:01480227:media:jgrc11938:jgrc11938-sup-0002-t02"></mediaResource><caption>Tab‐delimited Table 1b.</caption></supportingInfoItem><supportingInfoItem><mediaResource alt="supplementary data" mimeType="text/plain" href="urn-x:wiley:01480227:media:jgrc11938:jgrc11938-sup-0003-t03"></mediaResource><caption>Tab‐delimited Table 2a.</caption></supportingInfoItem><supportingInfoItem><mediaResource alt="supplementary data" mimeType="text/plain" href="urn-x:wiley:01480227:media:jgrc11938:jgrc11938-sup-0004-t04"></mediaResource><caption>Tab‐delimited Table 2b.</caption></supportingInfoItem></supportingInformation><abstractGroup><abstract type="main"><p xml:id="jgrc11938-para-0001" label="1">The polynyas of the Laptev Sea are regions of particular interest due to the strong formation of Arctic sea‐ice. In order to simulate the polynya dynamics and to quantify ice production, we apply the Finite Element Sea‐Ice Ocean Model FESOM. In previous simulations FESOM has been forced with daily atmospheric NCEP (National Centers for Environmental Prediction) 1. For the periods 1 April to 9 May 2008 and 1 January to 8 February 2009 we examine the impact of different forcing data: daily and 6‐hourly NCEP reanalyses 1 (1.875° × 1.875°), 6‐hourly NCEP reanalyses 2 (1.875° × 1.875°), 6‐hourly analyses from the GME (Global Model of the German Weather Service) (0.5° × 0.5°) and high‐resolution hourly COSMO (Consortium for Small‐Scale Modeling) data (5 km × 5 km). In all FESOM simulations, except for those with 6‐hourly and daily NCEP 1 data, the openings and closings of polynyas are simulated in principle agreement with satellite products. Over the fast‐ice area the wind fields of all atmospheric data are similar and close to in situ measurements. Over the polynya areas, however, there are strong differences between the forcing data with respect to air temperature and turbulent heat flux. These differences have a strong impact on sea‐ice production rates. Depending on the forcing fields polynya ice production ranges from 1.4 km<sup>3</sup> to 7.8 km<sup>3</sup> during 1 April to 9 May 2011 and from 25.7 km<sup>3</sup> to 66.2 km<sup>3</sup> during 1 January to 8 February 2009. Therefore, atmospheric forcing data with high spatial and temporal resolution which account for the presence of the polynyas are needed to reduce the uncertainty in quantifying ice production in polynyas.</p></abstract><abstract type="short"><title type="main">Key Points</title><p xml:id="jgrc11938-para-0002"><list style="bulleted"><listItem>Estimations of polynya sea‐ice production strongly depend on atmospheric forcing data</listItem><listItem>The ABL over polynyas shows significant differences between the forcing data</listItem><listItem>Model forcing data are required which take the impact of polynyas into account</listItem></list></p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Impact of atmospheric forcing data on simulations of the Laptev Sea polynya dynamics using the sea‐ice ocean model FESOM</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>IMPACT OF ATMOSPHERIC FORCING DATA</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Impact of atmospheric forcing data on simulations of the Laptev Sea polynya dynamics using the sea‐ice ocean model FESOM</title></titleInfo><name type="personal"><namePart type="given">T.</namePart><namePart type="family">Ernsdorf</namePart><affiliation>Department of Environmental Meteorology, Faculty of Geosciences, University of Trier, Trier, Germany</affiliation><affiliation>E-mail: ernsdorf@uni‐trier.de</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">D.</namePart><namePart type="family">Schröder</namePart><affiliation>Department of Environmental Meteorology, Faculty of Geosciences, University of Trier, Trier, Germany</affiliation><affiliation>Centre for Polar Observation and Modelling, Sea Ice Dynamics and Thermodynamics, Pearson Building, University College London, London, UK</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">S.</namePart><namePart type="family">Adams</namePart><affiliation>Department of Environmental Meteorology, Faculty of Geosciences, University of Trier, Trier, Germany</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">G.</namePart><namePart type="family">Heinemann</namePart><affiliation>Department of Environmental Meteorology, Faculty of Geosciences, University of Trier, Trier, Germany</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">R.</namePart><namePart type="family">Timmermann</namePart><affiliation>Division of Climate Sciences, Ocean Dynamics and Sea Ice Physics, Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">S.</namePart><namePart type="family">Danilov</namePart><affiliation>Division of Climate Sciences, Ocean Dynamics and Sea Ice Physics, Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article"></genre><originInfo><publisher>Blackwell Publishing Ltd</publisher><dateIssued encoding="w3cdtf">2011-12</dateIssued><dateCaptured encoding="w3cdtf">2010-10-13</dateCaptured><dateValid encoding="w3cdtf">2011-10-16</dateValid><edition>Ernsdorf, T., D. Schröder, S. Adams, G. Heinemann, R. Timmermann, and S. Danilov (2011), Impact of atmospheric forcing data on simulations of the Laptev Sea polynya dynamics using the sea‐ice ocean model FESOM, J. Geophys. Res., 116, C12038, doi:10.1029/2010JC006725.</edition><copyrightDate encoding="w3cdtf">2011</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType><extent unit="figures">8</extent><extent unit="tables">4</extent><extent unit="words">10400</extent></physicalDescription><abstract>The polynyas of the Laptev Sea are regions of particular interest due to the strong formation of Arctic sea‐ice. In order to simulate the polynya dynamics and to quantify ice production, we apply the Finite Element Sea‐Ice Ocean Model FESOM. In previous simulations FESOM has been forced with daily atmospheric NCEP (National Centers for Environmental Prediction) 1. For the periods 1 April to 9 May 2008 and 1 January to 8 February 2009 we examine the impact of different forcing data: daily and 6‐hourly NCEP reanalyses 1 (1.875° × 1.875°), 6‐hourly NCEP reanalyses 2 (1.875° × 1.875°), 6‐hourly analyses from the GME (Global Model of the German Weather Service) (0.5° × 0.5°) and high‐resolution hourly COSMO (Consortium for Small‐Scale Modeling) data (5 km × 5 km). In all FESOM simulations, except for those with 6‐hourly and daily NCEP 1 data, the openings and closings of polynyas are simulated in principle agreement with satellite products. Over the fast‐ice area the wind fields of all atmospheric data are similar and close to in situ measurements. Over the polynya areas, however, there are strong differences between the forcing data with respect to air temperature and turbulent heat flux. These differences have a strong impact on sea‐ice production rates. Depending on the forcing fields polynya ice production ranges from 1.4 km3 to 7.8 km3 during 1 April to 9 May 2011 and from 25.7 km3 to 66.2 km3 during 1 January to 8 February 2009. Therefore, atmospheric forcing data with high spatial and temporal resolution which account for the presence of the polynyas are needed to reduce the uncertainty in quantifying ice production in polynyas.</abstract><abstract type="short">Estimations of polynya sea‐ice production strongly depend on atmospheric forcing data The ABL over polynyas shows significant differences between the forcing data Model forcing data are required which take the impact of polynyas into account</abstract><note type="additional physical form">Tab‐delimited Table 1a.Tab‐delimited Table 1b.Tab‐delimited Table 2a.Tab‐delimited Table 2b.</note><subject><genre>keywords</genre><topic>Laptev Sea</topic><topic>atmospheric forcing</topic><topic>polynya</topic><topic>sea ice modeling</topic></subject><relatedItem type="host"><titleInfo><title>Journal of Geophysical Research: Oceans</title></titleInfo><titleInfo type="abbreviated"><title>J. Geophys. Res.</title></titleInfo><genre type="journal">journal</genre><subject><genre>index-terms</genre><topic authorityURI="http://psi.agu.org/taxonomy5/0700">CRYOSPHERE</topic><topic authorityURI="http://psi.agu.org/taxonomy5/0750">Sea ice</topic><topic authorityURI="http://psi.agu.org/taxonomy5/0752">Polynas</topic><topic authorityURI="http://psi.agu.org/taxonomy5/0758">Remote sensing</topic><topic authorityURI="http://psi.agu.org/taxonomy5/0774">Dynamics</topic><topic authorityURI="http://psi.agu.org/taxonomy5/0798">Modeling</topic><topic authorityURI="http://psi.agu.org/taxonomy5/1900">INFORMATICS</topic><topic authorityURI="http://psi.agu.org/taxonomy5/1952">Modeling</topic><topic authorityURI="http://psi.agu.org/taxonomy5/4300">NATURAL HAZARDS</topic><topic authorityURI="http://psi.agu.org/taxonomy5/4316">Physical modeling</topic><topic authorityURI="http://psi.agu.org/taxonomy5/4500">OCEANOGRAPHY: PHYSICAL</topic><topic authorityURI="http://psi.agu.org/taxonomy5/4540">Ice mechanics and air/sea/ice exchange processes</topic><topic authorityURI="http://psi.agu.org/taxonomy5/4540">Ice mechanics and air/sea/ice exchange processes</topic></subject><identifier type="ISSN">0148-0227</identifier><identifier type="eISSN">2156-2202</identifier><identifier type="DOI">10.1002/(ISSN)2156-2202c</identifier><identifier type="CODEN">JGREA2</identifier><identifier type="PublisherID">JGRC</identifier><part><date>2011</date><detail type="volume"><caption>vol.</caption><number>116</number></detail><detail type="issue"><caption>no.</caption><number>C12</number></detail><extent unit="pages"><start>n/a</start><end>n/a</end><total>18</total></extent></part></relatedItem><identifier type="istex">3420B6B0F94606F968C7DE1510D757B330CA2768</identifier><identifier type="DOI">10.1029/2010JC006725</identifier><identifier type="ArticleID">2010JC006725</identifier><accessCondition type="use and reproduction" contentType="copyright">Copyright 2011 by the American Geophysical Union</accessCondition><recordInfo><recordContentSource>WILEY</recordContentSource></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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