surface water drainage

基本解釋

In the study area, surface water quality is hanly controlled by the mining drainage, and the main river and reservoir have already been polluted.
研究區(qū)內(nèi)地表水體的水質(zhì)主要受控于礦坑排水的質(zhì)量，區(qū)內(nèi)主要河流、水庫已被污染。
Subsurface pipe drainage in drought-prone region is superior to surface drainage in draining off water and salt, controlling ground water-level, and increasing crop output, etc.
以明溝排水為對(duì)照，論述了內(nèi)陸干旱重鹽堿區(qū)暗管排水在排水排鹽、控制地下水位、提高土壤脫鹽效果及提高作物產(chǎn)量等方面的優(yōu)越性。
A field case study with independent irrigation system was conducted to elucidate the dynamic characteristics, modeling of nitrogen (N) in surface water of paddy field and N loss from drainage.
采用具有獨(dú)立排灌系統(tǒng)的田間試驗(yàn)研究了水稻田面水氮素的動(dòng)態(tài)特征、模式表征及田間排水氮素流失。