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风场对太湖叶绿素a空间分布的影响

许遐祯 钱昊钟 赵巧华

生态学杂志2012,Vol.31Issue(5):1282-1287,6.
生态学杂志2012,Vol.31Issue(5):1282-1287,6.

风场对太湖叶绿素a空间分布的影响

Effects of wind field on spatial distribution of chlorophyll-a concentration in Taihu Lake

许遐祯 1钱昊钟 2赵巧华3

作者信息

  • 1. 江苏省气候中心,南京210008
  • 2. 南京信息工程大学大气科学学院,南京210044
  • 3. 南京信息工程大学遥感学院,南京210044
  • 折叠

摘要

Abstract

Chlorophyll-a concentration is an important parameter in assessing water environment. Based on the 20 times investigation data at 32 stations in Taihu Lake in 2005-2009 and the Lake wind fields simulated by meteorological data, this paper explored the effects of the wind fields on the spatial distribution of chlorophyll-a in the Lake. The results showed that the high-value center of chlorophyll-a was in the northwestern Taihu Lake, Zhunshan Bay, and Meiliang Bay, while the lower value was distributed in southeastern Taihu Lake. In whole year, the wind direction was mainly southeast, and the wind was stronger in the south but weaker in the north of the Lake. Wind field had obvious effects on the translocation of chlorophyll-a. Under the aelion of the wind fields, the chlorophyll-a concentration transported gradually to the northwest and north of Taihu Lake, and accordingly, the chlorophyll-a concentration in these areas was generally higher.

关键词

WRF/SVD/叶绿素a

Key words

WRF/ SVD/ chlorophyll-a.

分类

农业科技

引用本文复制引用

许遐祯,钱昊钟,赵巧华..风场对太湖叶绿素a空间分布的影响[J].生态学杂志,2012,31(5):1282-1287,6.

基金项目

国家自然科学基金项目(41071070)资助. (41071070)

生态学杂志

OA北大核心CSCDCSTPCD

1000-4890

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