Relationship between Land Cover and CloudtoGround Lightning Distribution Based on MODIS Data
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Abstract:
Using the MODIS level3 product MCD12Q1 and Chongqing ADTD lightning location information from 2008 to 2013, choosing the rectangular region between 106 °-107 °E, 29 °-30 °N as the study area, combined with frequency, current intensity, time and landforms, the research is conducted on the relationship between the types of land cover and the distribution of cloudtoground lightning. The results show that the lightning distribution has significant difference in the study area corresponding various landcover types; the lightning densities in waters, farmland and urban are higher than the average; the lightning distributions in mildtomoderate and strong flashes have obvious difference; strong lightning occurs in waters and woodland more frequently; there is no marked relationship between land cover types and seasons; lightning distributions in day and night have obvious difference in some land covers; the lightning distribution is closely related to landforms in same land covers.
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.