Ocean wave conditions in the Chukchi Sea from satellite and in situ observations
Identifieur interne : 001B60 ( Istex/Corpus ); précédent : 001B59; suivant : 001B61Ocean wave conditions in the Chukchi Sea from satellite and in situ observations
Auteurs : Oceana P. Francis ; Gleb G. Panteleev ; David E. AtkinsonSource :
- Geophysical Research Letters [ 0094-8276 ] ; 2011-12-28.
Abstract
In situ observation of significant wave heights (SWHs) conducted from three fixed bottom‐mounted Recording Doppler Current Profiler (RDCP) instruments in the south‐eastern Chukchi Sea in 2007 and 2009 were compared with corresponding satellite observations from Envisat. A strong correlation (0.96) was indicated between satellite andin situobservations for the off‐shore RDCP located approximately 82 km to the nearest coastline in the region with uniform topography. However, the corresponding cross‐correlations are much lower (0.79 and 0.58) for the RDCPs located within 3.5 km and 10.8 km, respectively, of the nearest coastline probably due to a strong spatial topography gradient and an insufficient number of satellite data points for validation. Cross‐validated satellite observations were used for the analysis of wave conditions in the Arctic during the years 1993–2011. We found approximately a 0.020 m/year increase of SWH for the SE Chukchi Sea and a 0.025 m/year increase for the Pacific‐Arctic, which correlates well with gradual ice retreat observed in the Arctic during the last two decades.
Url:
DOI: 10.1029/2011GL049839
Links to Exploration step
ISTEX:77F0D0B0D422EAE92A544EBC7BE90FB2F0259FF5Le document en format XML
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A strong correlation (0.96) was indicated between satellite andin situobservations for the off‐shore RDCP located approximately 82 km to the nearest coastline in the region with uniform topography. However, the corresponding cross‐correlations are much lower (0.79 and 0.58) for the RDCPs located within 3.5 km and 10.8 km, respectively, of the nearest coastline probably due to a strong spatial topography gradient and an insufficient number of satellite data points for validation. Cross‐validated satellite observations were used for the analysis of wave conditions in the Arctic during the years 1993–2011. We found approximately a 0.020 m/year increase of SWH for the SE Chukchi Sea and a 0.025 m/year increase for the Pacific‐Arctic, which correlates well with gradual ice retreat observed in the Arctic during the last two decades.</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>Oceana P. 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A strong correlation (0.96) was indicated between satellite andin situobservations for the off‐shore RDCP located approximately 82 km to the nearest coastline in the region with uniform topography. However, the corresponding cross‐correlations are much lower (0.79 and 0.58) for the RDCPs located within 3.5 km and 10.8 km, respectively, of the nearest coastline probably due to a strong spatial topography gradient and an insufficient number of satellite data points for validation. Cross‐validated satellite observations were used for the analysis of wave conditions in the Arctic during the years 1993–2011. 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P.</givenNames></author>, <author><givenNames>G. G.</givenNames> <familyName>Panteleev</familyName></author>, and <author><givenNames>D. E.</givenNames> <familyName>Atkinson</familyName></author> (<pubYear year="2011">2011</pubYear>), <articleTitle>Ocean wave conditions in the Chukchi Sea from satellite and in situ observations</articleTitle>, <journalTitle>Geophys. Res. 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A strong correlation (0.96) was indicated between satellite and<i>in situ</i>observations for the off‐shore RDCP located approximately 82 km to the nearest coastline in the region with uniform topography. However, the corresponding cross‐correlations are much lower (0.79 and 0.58) for the RDCPs located within 3.5 km and 10.8 km, respectively, of the nearest coastline probably due to a strong spatial topography gradient and an insufficient number of satellite data points for validation. Cross‐validated satellite observations were used for the analysis of wave conditions in the Arctic during the years 1993–2011. We found approximately a 0.020 m/year increase of SWH for the SE Chukchi Sea and a 0.025 m/year increase for the Pacific‐Arctic, which correlates well with gradual ice retreat observed in the Arctic during the last two decades.</p></abstract><abstract type="short"><title type="main">Key Points</title><p xml:id="grl28732-para-0002"><list style="bulleted"><listItem>Significant wave height increase in the Arctic</listItem><listItem>Ocean wave satellite altimetry and in situ observations correlating</listItem><listItem>Wave increase due to sea ice decline</listItem></list></p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Ocean wave conditions in the Chukchi Sea from satellite and in situ observations</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>SATELLITE AND IN SITU WAVE OBSERVATIONS</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Ocean wave conditions in the Chukchi Sea from satellite and in situ observations</title></titleInfo><name type="personal"><namePart type="given">Oceana P.</namePart><namePart type="family">Francis</namePart><affiliation>International Arctic Research Center, University of Alaska Fairbanks, Fairbanks, Alaska, USA</affiliation><affiliation>E-mail: oceanawaves@gmail.com</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Gleb G.</namePart><namePart type="family">Panteleev</namePart><affiliation>International Arctic Research Center, University of Alaska Fairbanks, Fairbanks, Alaska, USA</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">David E.</namePart><namePart type="family">Atkinson</namePart><affiliation>International Arctic Research Center, University of Alaska Fairbanks, Fairbanks, Alaska, USA</affiliation><affiliation>Now at Department of Geography, University of Victoria, Victoria, British Columbia, Canada</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">2011-12-28</dateIssued><dateCaptured encoding="w3cdtf">2011-09-28</dateCaptured><dateValid encoding="w3cdtf">2011-11-21</dateValid><edition>Francis, O. P., G. G. Panteleev, and D. E. Atkinson (2011), Ocean wave conditions in the Chukchi Sea from satellite and in situ observations, Geophys. Res. Lett., 38, L24610, doi:10.1029/2011GL049839.</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">4</extent><extent unit="words">3300</extent></physicalDescription><abstract>In situ observation of significant wave heights (SWHs) conducted from three fixed bottom‐mounted Recording Doppler Current Profiler (RDCP) instruments in the south‐eastern Chukchi Sea in 2007 and 2009 were compared with corresponding satellite observations from Envisat. A strong correlation (0.96) was indicated between satellite andin situobservations for the off‐shore RDCP located approximately 82 km to the nearest coastline in the region with uniform topography. However, the corresponding cross‐correlations are much lower (0.79 and 0.58) for the RDCPs located within 3.5 km and 10.8 km, respectively, of the nearest coastline probably due to a strong spatial topography gradient and an insufficient number of satellite data points for validation. Cross‐validated satellite observations were used for the analysis of wave conditions in the Arctic during the years 1993–2011. We found approximately a 0.020 m/year increase of SWH for the SE Chukchi Sea and a 0.025 m/year increase for the Pacific‐Arctic, which correlates well with gradual ice retreat observed in the Arctic during the last two decades.</abstract><abstract type="short">Significant wave height increase in the Arctic Ocean wave satellite altimetry and in situ observations correlating Wave increase due to sea ice decline</abstract><subject><genre>keywords</genre><topic>Satellite altimetry</topic><topic>significant wave height</topic><topic>Recording Doppler Current Profiler</topic><topic>wave increase</topic><topic>Chukchi Sea</topic><topic>sea ice</topic></subject><relatedItem type="host"><titleInfo><title>Geophysical Research Letters</title></titleInfo><titleInfo type="abbreviated"><title>Geophys. Res. Lett.</title></titleInfo><genre type="journal">journal</genre><subject><genre>index-terms</genre><topic authorityURI="http://psi.agu.org/taxonomy5/1200">GEODESY AND GRAVITY</topic><topic authorityURI="http://psi.agu.org/taxonomy5/1222">Ocean monitoring with geodetic techniques</topic><topic authorityURI="http://psi.agu.org/taxonomy5/3200">MATHEMATICAL GEOPHYSICS</topic><topic authorityURI="http://psi.agu.org/taxonomy5/3238">Prediction</topic><topic authorityURI="http://psi.agu.org/taxonomy5/4200">OCEANOGRAPHY: GENERAL</topic><topic authorityURI="http://psi.agu.org/taxonomy5/4207">Arctic and Antarctic oceanography</topic><topic authorityURI="http://psi.agu.org/taxonomy5/4217">Coastal processes</topic><topic authorityURI="http://psi.agu.org/taxonomy5/4262">Ocean observing systems</topic><topic authorityURI="http://psi.agu.org/taxonomy5/4263">Ocean predictability and prediction</topic><topic authorityURI="http://psi.agu.org/taxonomy5/4300">NATURAL HAZARDS</topic><topic authorityURI="http://psi.agu.org/taxonomy5/4315">Monitoring, forecasting, prediction</topic><topic authorityURI="http://psi.agu.org/taxonomy5/4500">OCEANOGRAPHY: PHYSICAL</topic><topic authorityURI="http://psi.agu.org/taxonomy5/4560">Surface waves and tides</topic><topic authorityURI="http://psi.agu.org/taxonomy5/9300">GEOGRAPHIC LOCATION</topic><topic authorityURI="http://psi.agu.org/taxonomy5/9310">Antarctica</topic><topic authorityURI="http://psi.agu.org/taxonomy5/9315">Arctic region</topic></subject><subject><genre>article-category</genre><topic>Oceans</topic></subject><identifier type="ISSN">0094-8276</identifier><identifier type="eISSN">1944-8007</identifier><identifier type="DOI">10.1002/(ISSN)1944-8007</identifier><identifier type="CODEN">GPRLAJ</identifier><identifier type="PublisherID">GRL</identifier><part><date>2011</date><detail type="volume"><caption>vol.</caption><number>38</number></detail><detail type="issue"><caption>no.</caption><number>24</number></detail><extent unit="pages"><start>n/a</start><end>n/a</end><total>5</total></extent></part></relatedItem><identifier type="istex">77F0D0B0D422EAE92A544EBC7BE90FB2F0259FF5</identifier><identifier type="DOI">10.1029/2011GL049839</identifier><identifier type="ArticleID">2011GL049839</identifier><accessCondition type="use and reproduction" contentType="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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