Straw covering could decreased cumulated runoff and sediment and increased infiltration in the same time.
秸秆覆盖可有效地降低累积径流量和总侵蚀量，增加累积入渗量；
For all the soil and crop management treatments, the total runoff decreased with increasing amounts of fertilizer inputs.
对土壤和作物管理的所有处理来说，总径流量随肥料投入量的增加而降低。
Froude number of slope runoff of road decreased with runoff duration under a certain slope and the different flow discharges.
在一定坡度不同流量条件下，道路坡面径流弗汝德数随径流历时增长而减小。
Annual average runoff amount and runoff amount of flood season decreased along the river.
年平均径流量与汛期径流量均呈沿程递减。
The results show that while the heat source of thePlateau is weaken, the runoff is decreased and flow is descended.
结果表明，高原热源减弱则径流减少，流量也随之下降。
Thus salinity may be increased by the subtraction of water by evaporation, or decreased by the addition of fresh water by precipitation or runoff.
与蒸发相反的是降水，如降雨，由此水被加入海中，海水被稀释，从而盐度降低。
The analysis results show that precipitation in the catchment had no trend, temperature rose slowly, and surface runoff decreased slowly during 1961-2000.
结果表明：1961—2000年南水北调中线工程水源区降水量无显著变化趋势，气温呈缓慢上升趋势，径流量呈缓慢减少趋势。
The analysis results show that precipitation in the catchment had no trend, temperature rose slowly, and surface runoff decreased slowly during 1961-2000.
结果表明：1961—2000年南水北调中线工程水源区降水量无显著变化趋势，气温呈缓慢上升趋势，径流量呈缓慢减少趋势。
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