Impact of Afternoon Thunderstorms on the Land–Sea Breeze in the Taipei Basin during Summer: An Experiment

ABSTRACT Environmental conditions for the roughly three million people living in the Taipei basin of Taiwan are greatly affected by the land–sea breeze and afternoon thunderstorm activities. A new perspective on the land–sea breeze life cycle and how it is affected by afternoon thunderstorm acti... Ausführliche Beschreibung

1. Person: Chen, Tsing-Chang verfasserin
Weitere Personen: Yen, Ming-Cheng verfasserin; Tsay, Jenq-Dar verfasserin; Liao, Chi-Chang verfasserin; Takle, Eugene S. verfasserin
Quelle: in Journal of Applied Meteorology and Climatology Vol. 53, No. 7 (2014), p. 1714-1738
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Format: Online-Artikel
Sprache: English
Veröffentlicht: 2014
Beschreibung: Online-Ressource
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Anmerkung: Copyright: © 2014 American Meteorological Society
Zusammenfassung: ABSTRACT Environmental conditions for the roughly three million people living in the Taipei basin of Taiwan are greatly affected by the land–sea breeze and afternoon thunderstorm activities. A new perspective on the land–sea breeze life cycle and how it is affected by afternoon thunderstorm activity in the Taipei basin during the dry season is provided. During the summer monsoon break–revival phase, about 75% of rainfall in the Taipei basin is produced by afternoon thunderstorms triggered by sea-breeze interactions with the mountains to the south of this basin. Because the basic characteristics of the land–sea breeze and the changes it undergoes through the influence of afternoon thunderstorms have not been comprehensively analyzed/documented, a mini–field experiment was conducted during the summers of 2004 and 2005 to explore these aspects of the land–sea breeze in this basin. Thunderstorm rainfall is found to change not only the basin’s land–sea-breeze life cycle, but also its ventilation mechanism. On the nonthunderstorm day, the sea breeze supplies the open-sea fresh air for about 8 h during the daytime, but the land breeze persists on the thunderstorm day from afternoon to the next morning, acting to sweep polluted urban air out of the basin.
ISSN: 1558-8432

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