老挝VIIRS活跃火的主要自然地理要素特征
刘怡媛, 李鹏, 肖池伟, 刘影, 饶滴滴

Characteristics analyses of major physical geographic elements of Visible Infrared Imaging Radiometer (VIIRS) active fire in Laos
LIU Yiyuan, LI Peng, XIAO Chiwei, LIU Ying, RAO Didi
图4 2012—2017年老挝活跃火频数与海拔、坡度的关系
Fig. 4 The relationship between active fire frequency and slope elevation and gradient in Laos from 2012 to 2017