UnivTrevesV1, Main, Exploration, bibRecord, 000E51

Sea‐ice production over the Laptev Sea shelf inferred from historical summer‐to‐winter hydrographic observations of 1960s–1990s

Identifieur interne : 000E51 ( Main/Exploration ); précédent : 000E50; suivant : 000E52

Sea‐ice production over the Laptev Sea shelf inferred from historical summer‐to‐winter hydrographic observations of 1960s–1990s

Auteurs : Igor A. Dmitrenko [Allemagne] ; Sergey A. Kirillov [Russie] ; L. Bruno Tremblay [Canada] ; Dorothea Bauch [Allemagne] ; Sascha Willmes [Allemagne]

Source :

Geophysical Research Letters [ 0094-8276 ] ; 2009-07.

RBID : ISTEX:D02CEA70C65C4BD5F59761522AA3E203336EDDCB

Descripteurs français

Pascal (Inist)
- Action vent, Advection, Amplitude, Anomalie, Courant dérive, Eté, Glace marine, Hiver, Mer de Laptev, Modélisation, Oscillation Arctique, Polynie, Salinité, Saumure, Variation décennale.

English descriptors

KwdEn :
- Arctic oscillation, Decadal variation, Drift current, Laptev Sea, Modeling, Polynya, Summer, Wind effect, Winter, advection, amplitude, anomalies, brines, salinity, sea ice.

Abstract

The winter net sea‐ice production (NSIP) over the Laptev Sea shelf is inferred from continuous summer‐to‐winter historical salinity records of 1960s–1990s. While the NSIP strongly depends on the assumed salinity of newly formed ice, the NSIP quasi‐decadal variability can be linked to the wind‐driven circulation anomalies in the Laptev Sea region. The increased wind‐driven advection of ice away from the Laptev Sea coast when the Arctic Oscillation (AO) is positive implies enhanced coastal polynya sea‐ice production and brine release in the shelf water. When the AO is negative, the NSIP and seasonal salinity amplitude tends to weaken. These results are in reasonable agreement with sea‐ice observations and modeling.

Url:

https://api.istex.fr/document/D02CEA70C65C4BD5F59761522AA3E203336EDDCB/fulltext/pdf

DOI: 10.1029/2009GL038775

Affiliations:

Le document en format XML

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<front><div type="abstract">The winter net sea‐ice production (NSIP) over the Laptev Sea shelf is inferred from continuous summer‐to‐winter historical salinity records of 1960s–1990s. While the NSIP strongly depends on the assumed salinity of newly formed ice, the NSIP quasi‐decadal variability can be linked to the wind‐driven circulation anomalies in the Laptev Sea region. The increased wind‐driven advection of ice away from the Laptev Sea coast when the Arctic Oscillation (AO) is positive implies enhanced coastal polynya sea‐ice production and brine release in the shelf water. When the AO is negative, the NSIP and seasonal salinity amplitude tends to weaken. These results are in reasonable agreement with sea‐ice observations and modeling.</div>
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Sea‐ice production over the Laptev Sea shelf inferred from historical summer‐to‐winter hydrographic observations of 1960s–1990s

Sea‐ice production over the Laptev Sea shelf inferred from historical summer‐to‐winter hydrographic observations of 1960s–1990s

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

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