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.
利用布设在开矿与非开矿小流域的观测和调查资料，对比分析了开矿对小流域径流、泥沙的影响。
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.
在计算机、空间观测等相关学科发展的推动下，物理性流域水文模型目前己成为流域水文模拟研究的重要发展方向。