基于遥感图像对西南重旱区罗平县旱情研究分析 Based on remote sensing image LuoPing county of southwest heavy study analyzed mainly drought 摘 要：基于09年和10年中巴地球资源卫星遥感图像，利用遥感图像处理手段，对罗平县水资源、农作物等地物信息进行分类提取，监测水体面积动态变化，作出罗平县水资源、农作物等分布专题图，并通过干旱期与非干旱期图像中农作物与水体面积的对比，对罗平县旱情作出初步评估。 Pick to: based on the 2009 and 10 years china-pakistan earth resources satellite remote sensing image， using remote sensing image processing method， in LuoPing county water resources， crops such as classified information extracted ryzhkov， monitoring water area of dynamic change， make LuoPing county water resources， crops， etc， and through distribution special charts with the dry period of drought and water area in image contrast of crops LuoPing county of drought， makes initial 关键字：遥感影像； Key word: remote sensing image; 罗平县； LuoPing county; 西南旱情； Southwest drought; 农作物； Crops; 水体 water 中图分类号：TP75 文献标识码：A Chinese TP75 literature classification number: identification code: A
