watershed observation

基本解释

On the basis of observation and survey datum carried out in small watershed where is or not been mining, the influence of coal mining and related human activities on runoff and sediment load.
利用佈設在開鑛與非開鑛小流域的觀測和調查資料，對比分析了開鑛對小流域逕流、泥沙的影響。
With the great advancement in space observation and computer technology, the physically based watershed hydrological model has become a promising means for hydrological simulation and prediction.
在計算機、空間觀測等相關學科發展的推動下，物理性流域水文模型目前己成爲流域水文模擬研究的重要發展方曏。