Long-term trends of winter monsoon synoptic circulations over the maritime continent

1962-2007

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

The present study examines the long-term trends of the winter monsoon northeasterly cold surge and Borneo vortex over the South China Sea. There has been a significant increase in the frequency of the Borneo vortex within the study period of 1962-2007. The location of the center of the Borneo vortices has shifted slightly offshore; northward of western Borneo. This could result in less vortex-land interaction and lengthen the life span of the vortices due to less frictional shear and hence increase the vortex days. These changes could be related to the strengthened easterly component of the cold surge winds.

Original languageEnglish
Pages (from-to)199-203
Number of pages5
JournalAtmospheric Science Letters
Volume11
Issue number3
DOIs
Publication statusPublished - Jul 2010

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vortex
monsoon
winter
long-term trend
continent
cold

Keywords

  • Borneo vortex
  • Linear trends
  • Maritime continent
  • Northeasterly cold surge
  • South China Sea
  • Winter monsoon

ASJC Scopus subject areas

  • Atmospheric Science

Cite this

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title = "Long-term trends of winter monsoon synoptic circulations over the maritime continent: 1962-2007",
abstract = "The present study examines the long-term trends of the winter monsoon northeasterly cold surge and Borneo vortex over the South China Sea. There has been a significant increase in the frequency of the Borneo vortex within the study period of 1962-2007. The location of the center of the Borneo vortices has shifted slightly offshore; northward of western Borneo. This could result in less vortex-land interaction and lengthen the life span of the vortices due to less frictional shear and hence increase the vortex days. These changes could be related to the strengthened easterly component of the cold surge winds.",
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AB - The present study examines the long-term trends of the winter monsoon northeasterly cold surge and Borneo vortex over the South China Sea. There has been a significant increase in the frequency of the Borneo vortex within the study period of 1962-2007. The location of the center of the Borneo vortices has shifted slightly offshore; northward of western Borneo. This could result in less vortex-land interaction and lengthen the life span of the vortices due to less frictional shear and hence increase the vortex days. These changes could be related to the strengthened easterly component of the cold surge winds.

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KW - Linear trends

KW - Maritime continent

KW - Northeasterly cold surge

KW - South China Sea

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