Estimates of particulate organic carbon ...
Document type :
Article dans une revue scientifique: Article original
Title :
Estimates of particulate organic carbon over the euphotic depth from in situ measurements. Application to satellite data over the global ocean
Author(s) :
Duforêt-Gaurier, Lucile [Auteur]
Laboratoire d’Océanologie et de Géosciences (LOG) - UMR 8187 [LOG]
Loisel, Hubert [Auteur]
Laboratoire d’Océanologie et de Géosciences (LOG) - UMR 8187 [LOG]
Dessailly, D. [Auteur]
Laboratoire d’Océanologie et de Géosciences (LOG) - UMR 8187 [LOG]
Nordkvist, K. [Auteur]
Laboratoire d’Océanologie et de Géosciences (LOG) - UMR 8187 [LOG]
Alvain, Séverine [Auteur]
Laboratoire d’Océanologie et de Géosciences (LOG) - UMR 8187 [LOG]
Laboratoire d’Océanologie et de Géosciences (LOG) - UMR 8187 [LOG]
Loisel, Hubert [Auteur]
Laboratoire d’Océanologie et de Géosciences (LOG) - UMR 8187 [LOG]
Dessailly, D. [Auteur]
Laboratoire d’Océanologie et de Géosciences (LOG) - UMR 8187 [LOG]
Nordkvist, K. [Auteur]
Laboratoire d’Océanologie et de Géosciences (LOG) - UMR 8187 [LOG]
Alvain, Séverine [Auteur]
Laboratoire d’Océanologie et de Géosciences (LOG) - UMR 8187 [LOG]
Journal title :
Deep Sea Research
Pages :
351-367
Publisher :
Elsevier
Publication date :
2010-01-11
ISSN :
0146-6291
HAL domain(s) :
Planète et Univers [physics]/Sciences de la Terre/Océanographie
English abstract : [en]
Knowledgeoftheoceanicparticulateorganiccarbon(POC)poolandofitsspatio-temporalvariabilityis importantforunderstandingtheoceaniccarboncycle.Untilnow,POCestimatesfromspacehavebeen restrictedtothesurfacelayer.Anempiricalalgo ...
Show more >Knowledgeoftheoceanicparticulateorganiccarbon(POC)poolandofitsspatio-temporalvariabilityis importantforunderstandingtheoceaniccarboncycle.Untilnow,POCestimatesfromspacehavebeen restrictedtothesurfacelayer.AnempiricalalgorithmisdevelopedtoderivethePOCcontentintegrated overtheeuphoticlayer(POCZeu) fromthenear-surfacePOCconcentration(POCsurf ).Therelationshipfollows a power-lawdistribution,POCZeu ¼ APOCB surf, with A and B depending onthetypeofwaters(stratifiedor well-mixed)andonthenear-surfacechlorophyllconcentration.AglobalclimatologyofPOCsurf andPOCZeu is generatedfromtheSeaWiFSarchivebetween1998and2006.TheglobalpatternsofPOCsurf and POCZeu follow themajorgyresystemsandotherlarge-scalecirculationfeatures.HighsurfaceandintegratedPOC content, around150mgm 3 and 6000mgm 2, areencounteredathighlatitude,whereaslowcontent, o50mgm 3 and 2000mgm 2, areobservedinsubtropicalgyres.ThemeanglobalvaluesofPOCsurf and POCZeu overtheglobaloceanare53mgm 3 and 3742mgm 2. ThestandingstocksofPOCare3:92 1014 and 1:19 1015 g overthefirstpenetrationandeuphoticdepth,respectivelyShow less >
Show more >Knowledgeoftheoceanicparticulateorganiccarbon(POC)poolandofitsspatio-temporalvariabilityis importantforunderstandingtheoceaniccarboncycle.Untilnow,POCestimatesfromspacehavebeen restrictedtothesurfacelayer.AnempiricalalgorithmisdevelopedtoderivethePOCcontentintegrated overtheeuphoticlayer(POCZeu) fromthenear-surfacePOCconcentration(POCsurf ).Therelationshipfollows a power-lawdistribution,POCZeu ¼ APOCB surf, with A and B depending onthetypeofwaters(stratifiedor well-mixed)andonthenear-surfacechlorophyllconcentration.AglobalclimatologyofPOCsurf andPOCZeu is generatedfromtheSeaWiFSarchivebetween1998and2006.TheglobalpatternsofPOCsurf and POCZeu follow themajorgyresystemsandotherlarge-scalecirculationfeatures.HighsurfaceandintegratedPOC content, around150mgm 3 and 6000mgm 2, areencounteredathighlatitude,whereaslowcontent, o50mgm 3 and 2000mgm 2, areobservedinsubtropicalgyres.ThemeanglobalvaluesofPOCsurf and POCZeu overtheglobaloceanare53mgm 3 and 3742mgm 2. ThestandingstocksofPOCare3:92 1014 and 1:19 1015 g overthefirstpenetrationandeuphoticdepth,respectivelyShow less >
Language :
Anglais
Peer reviewed article :
Oui
Audience :
Internationale
Popular science :
Non
Source :