太湖湖风指数阈值的计算

吕海龙1; 黄娟2; 王成林1*; 刘怡然1; 唐继顺1

引用本文:	吕海龙1，黄娟2，王成林1*，刘怡然1，唐继顺1.太湖湖风指数阈值的计算[J].环境监控与预警,2015,7(1):10-14
	LU Hai long1，HUANG Juan2，WANG Cheng lin1*，LIU Yi ran1，TANG Ji shun1.Calculation on the Threshold of Taihu Lake Breeze Index[J].Environmental Monitoring and Forewarning,2015,7(1):10-14

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太湖湖风指数阈值的计算
吕海龙1，黄娟2，王成林1*，刘怡然1，唐继顺1^1,2
1.解放军理工大学气象海洋学院，江苏南京 210007;2.江苏省环境监测中心，江苏南京 210036

摘要:

根据2012年8月17—23日的太湖湖风加密观测实验结果，将湖岸3个常规气象站和湖面2个浮标站观测的风速和气温资料代入经典的湖风指数公式，通过Fisher二级判别法和历史拟合率最大法确定了太湖湖风指数的阈值为3.0。该结论为研究太湖湖风的发生频率及其对蓝藻水华全湖输移的影响提供了理论依据。

关键词: 太湖湖风湖风指数：阈值

DOI：

分类号:X524

基金项目:中国自然科学基金重点项目（41230421）；中国自然科学基金青年基金项目（41105075）；中国博士后基金项目（2013M532206）；中国江苏省自然科学基金面上项目（BK20131452）；中国人民解放军理工大学基础理论研究基金项目（KYQYZL001209）

Calculation on the Threshold of Taihu Lake Breeze Index

LU Hai long1，HUANG Juan2，WANG Cheng lin1*，LIU Yi ran1，TANG Ji shun1^1,2

1.PLA University of Science and Technology，Nanjing，Jiangsu 210007，China;2.Jiangsu Environmental Monitoring Center，Nanjing，Jiangsu 210036，China

Abstract:

Based on intensive observation results of Taihu Lake Breeze between August 17, 2012 and August 23, 2012, wind speed and temperature data from three conventional stations at shore and two buoy stations on lake was substituted into classic lake breeze index formula.By Fisher second level classification and history max matching method, the threshold of Taihu Lake Breeze index was determined as 3.0. The conclusion provided a theoretical basis for the study on the frequency of lake breeze occurrence and its impact on the blue green algae bloom transport in the whole lake.

Key words: Taihu Lake Lake breeze Lake breeze index Threshold