崩積地形 的英文怎麼說
中文拼音 [bēngjīdexíng]
崩積地形
英文
colluvial landform-
The gullies are formed by the processes of infiltration - interflow - collapses. ( 2 ) in the slope with sand - loess, the major factors of water erosion are the rainfall intensity and rainfall amount of annual first rainfall. ( 3 ) in the region, the evolution processes of slope gully system results from alternative actions of sand deposition and water erosion
（ 1 ）有片沙覆蓋的斜坡小區，徑流量少，但徑流含沙率大，坡溝的形成過程是：垂直滲流坡地潛流崩塌； （ 2 ）在沙黃土斜坡小區，每年春末夏初降雨的強度及降雨量是決定坡面產沙量的關鍵因素； （ 3 ）該區坡溝系統的形成發育是風沙沉積、風蝕與水蝕交替作用的結果。Surface collapse of coal field is one kind of geological disaster with great hazard, which may result from distortion and breakout of overlying strata that lose their support after underground coal beds are excavated in a large area
摘要採煤區地面塌陷是由於地下煤層大面積采空引起上覆巖層失去支撐而變形崩落最後導致地面沉降一種危害很大的地質災害。
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