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  2015, Vol. 34 Issue (2): 426-435    DOI: 10.7522/j.issn.1000-0534.2013.00197
    
Analysis of the Phenomenon of Lake-Land Breeze in Poyang Lake Area
CAO Jianhua1,2, LIU Ximing1,2, LI Guoping1, ZOU Haibo2
1. Chengdu University of Information Technology, Chengdu 610225, China;
2. Jiangxi Institute of Meteorological Science, Nanchang 330046, China
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Abstract  Using the 20062010 conventional observed wind data from De'an, Poyang, Hukou, Jinxian and Xingzi, the lake-land breeze in Poyang Lake area was analyzed. These five observation stations are located within about 50 km radius of the Poyang Lake, which are respectively in the west, east, north, south and northwest parts of the Lake. The results show that lake-land breeze in Poyang Lake region occurs through the whole year, although it varies seasonally. Averagely, the strength of the zonal lake-land breeze is larger than the strength of the meridional lake-land breeze, with the values of 0.5~0.7 m·s-1 and 0.3 m·s-1 respectively. The transition of lake-land breeze in the west of Lake is about two hours earlier than that in the east of Poyang Lake, and the transition of lake-land breeze in the north of Poyang Lake is about five hours earlier than that in the south of Poyang Lake. Analyses of the wind and temperature data in August 2010 from the 153 automatic meteorological stations in the Poyang Lake region show that the lake-land breeze presents diurnal variation obviously due to the lake-land temperature difference. The shallow wave model is employed to study the cause of the lake-land breeze in Poyang Lake region by setting the heating term as the Poyang Lake, and the model can simulate the land breeze during the night and lake breeze during daytime.
Key words:  Lake-land breeze      Poyang Lake      Anomaly      Shallow wave model     
Received:  15 July 2013      Published:  24 April 2015
P425.4+1  

Cite this article: 

CAO Jianhua, LIU Ximing, LI Guoping, ZOU Haibo. Analysis of the Phenomenon of Lake-Land Breeze in Poyang Lake Area. , 2015, 34(2): 426-435.

URL: 

http://www.gyqx.ac.cn/EN/10.7522/j.issn.1000-0534.2013.00197     OR     http://www.gyqx.ac.cn/EN/Y2015/V34/I2/426

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