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Titolo:
DETECTION AND MODELING OF NONTIDAL OCEANIC EFFECTS ON EARTHS ROTATIONRATE
Autore:
MARCUS SL; CHAO Y; DICKEY JO; GEGOUT P;
Indirizzi:
CALTECH,JET PROP LAB,4800 OAK GROVE DR PASADENA CA 91109
Titolo Testata:
Science
fascicolo: 5383, volume: 281, anno: 1998,
pagine: 1656 - 1659
SICI:
0036-8075(1998)281:5383<1656:DAMONO>2.0.ZU;2-N
Fonte:
ISI
Lingua:
ENG
Soggetto:
GENERAL-CIRCULATION MODEL; ATMOSPHERIC ANGULAR-MOMENTUM; ISOPYCNIC COORDINATE MODEL; SEA-LEVEL; BUDGET;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
28
Recensione:
Indirizzi per estratti:
Citazione:
S.L. Marcus et al., "DETECTION AND MODELING OF NONTIDAL OCEANIC EFFECTS ON EARTHS ROTATIONRATE", Science, 281(5383), 1998, pp. 1656-1659

Abstract

Subdecadal changes in Earth's rotation rate, and hence in the Length of day (LOD), are largely controlled by variations in atmospheric angular momentum. Results from two oceanic general circulation models (OGCMs), forced by observed wind stress and heat flux for the years 1992 through 1994 show that ocean current and mass distribution changes alsoinduce detectable LOD variations. The close similarity of axial oceanic angular momentum (OAM) results from two independent OGCMs, and their coherence with LOD, demonstrate that global ocean models can successfully capture the large-scale circulation changes that drive OAM variability on seasonal and shorter time scales.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 04/04/20 alle ore 12:21:47