AustralieFrV1, Main, Exploration, bibRecord, 00A585

Influence of Indian Ocean sea-surface temperature variability on winter rainfall across eastern Australia

Identifieur interne : 00A585 ( Main/Exploration ); précédent : 00A584; suivant : 00A586

Influence of Indian Ocean sea-surface temperature variability on winter rainfall across eastern Australia

Auteurs : Danielle C. Verdon [Australie] ; Stewart W. Franks [Australie]

Source :

IAHS-AISH publication [ 0144-7815 ] ; 2005.

RBID : Pascal:05-0298586

Descripteurs français

Pascal (Inist)
- Australie, Impact, Climat, Température, Eau surface, Océan Indien, Précipitation atmosphérique, Pluie, El Nino, Oscillation, Anomalie, Variation saisonnière, Variabilité climatique, Température surface, Température superficielle, ENSO.
Wicri :
- geographic : Australie.
- topic : Climat, Océan Indien.

English descriptors

KwdEn :
- Australia, El Nino, Indian Ocean, anomalies, atmospheric precipitation, climate, impacts, oscillations, rainfall, seasonal variations, surface water, temperature.

Abstract

This study investigates the relationship between sea-surface temperature (SST) variability occurring over the Indian Ocean and winter rainfall variability in eastern Australia. Previous research has identified a number of modes of SST variability over the Indian Ocean that may be connected to rainfall variability in Australia. Six indices of SST variability are compared and their relationship to winter rainfall over eastern Australia is determined. It is shown that a strong relationship exists between a number of these indices and winter rainfall. Additionally, this relationship is shown to hold true irrespective of potential impacts on rainfall by the El Niño/Southern Oscillation (ENSO). A possible physical process by which Indian Ocean SST anomalies may influence winter rainfall in eastern Australia is proposed involving impacts on the nature of the Northwest Australian Cloud Band. This study demonstrates marked controls on winter climate variability comparable to that induced in summer by the better known ENSO processes, and hence offers improved understanding of year-round seasonal climates.

Affiliations:

Australie

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

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Le document en format XML

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<term>climate</term>
<term>impacts</term>
<term>oscillations</term>
<term>rainfall</term>
<term>seasonal variations</term>
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<term>Océan Indien</term>
<term>Précipitation atmosphérique</term>
<term>Pluie</term>
<term>El Nino</term>
<term>Oscillation</term>
<term>Anomalie</term>
<term>Variation saisonnière</term>
<term>Variabilité climatique</term>
<term>Température surface</term>
<term>Température superficielle</term>
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<front><div type="abstract" xml:lang="en">This study investigates the relationship between sea-surface temperature (SST) variability occurring over the Indian Ocean and winter rainfall variability in eastern Australia. Previous research has identified a number of modes of SST variability over the Indian Ocean that may be connected to rainfall variability in Australia. Six indices of SST variability are compared and their relationship to winter rainfall over eastern Australia is determined. It is shown that a strong relationship exists between a number of these indices and winter rainfall. Additionally, this relationship is shown to hold true irrespective of potential impacts on rainfall by the El Niño/Southern Oscillation (ENSO). A possible physical process by which Indian Ocean SST anomalies may influence winter rainfall in eastern Australia is proposed involving impacts on the nature of the Northwest Australian Cloud Band. This study demonstrates marked controls on winter climate variability comparable to that induced in summer by the better known ENSO processes, and hence offers improved understanding of year-round seasonal climates.</div>
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<name sortKey="Franks, Stewart W" sort="Franks, Stewart W" uniqKey="Franks S" first="Stewart W." last="Franks">Stewart W. Franks</name>
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Influence of Indian Ocean sea-surface temperature variability on winter rainfall across eastern Australia

Influence of Indian Ocean sea-surface temperature variability on winter rainfall across eastern Australia

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