Therefore , it is the urgent need of land exploiture and environment repair that how to investigate the current situation of soil losses accurately , quickly and dynamically , how to predict & inspect soil losses , and provide scientific base for the repair of soil erosion and implement of soil and water conservation planning . . otherwise , the survey method of soil losses is lagger in yunnan 如何準(zhǔn)確、快速、動(dòng)態(tài)地查清水土流失現(xiàn)狀,進(jìn)行水土流失預(yù)報(bào)和動(dòng)態(tài)監(jiān)測,為水土流失治理和水保規(guī)劃實(shí)施提供科學(xué)依據(jù),是土地開發(fā)與環(huán)境整治的迫切需要,而云南省在水土流失調(diào)查方法方面恰恰處于相對落后狀態(tài)。