overland flow

基本解釋

This study had an important significance to set up the predicted model fallow overland flow on the Loess Plateau.
探討雨滴打擊下薄層漫流的輸沙機(jī)理，為建立細(xì)溝間薄層水流泥沙輸移預(yù)報(bào)模型提供理論依據(jù)。
The improvement of the accuracy of rainfall—overland flow modeling is helpful for establishing the mathematical model of rainfall—erosion processes on the loess slope.
坡地降雨漫流過(guò)程模擬精度的提高為進(jìn)一步建立黃土坡地雨洪侵蝕過(guò)程數(shù)學(xué)模型打下了基礎(chǔ)。
The objective of this study is to reveal the changeable process and characteristics of overland flow velocity with different grass coverages in the slope-gully system on Loess Hilly Area.
該文通過(guò)室內(nèi)放水沖刷試驗(yàn)研究了黃土丘陵區(qū)坡溝系統(tǒng)坡面不同草被覆蓋對(duì)坡面流流速變化過(guò)程及特征的影響。

坡面流
The model （hf）/L=f（（a（1-ε））/（ε3））u2 coulddepict the overland flow in the litters, there f’ was a undetermined coefficient, when the flowvelocity was very low, the Ergun equation f’=（4.17）/（Re’）+0.29 could depict the overland flow.
坡面流在枯落物中流動(dòng)的數(shù)學(xué)模型,可用下述模型描述hf/L=f’(a(1-ε)_ε3)u2,其中包括一個(gè)未知的待定系數(shù)f’,在流速較低時(shí),可用歐根(Ergun)方程描述:f’=4.17/Re+0.29。
地表徑流
The model considered includes precipitation, interception, and infiltration, storage in micro depressions, overland flow, erosion and deposit of sediment and so on.
該模型對(duì)降雨徑流產(chǎn)生的各個(gè)環(huán)節(jié)以及匯流做出了算法設(shè)計(jì)，考慮的過(guò)程包括降水、植被截留、入滲、微地形存儲(chǔ)、地表徑流、泥沙剝蝕與沉積等。
水利工程
地面徑流
坡面水流