... annual sediment load 年输沙量 river sediment load 河流输沙量 sediment load distribution 泥沙分布 ...
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The variation of river sediment load is considerably affected by rainfall and underlying surface.
河流输沙量的变化受流域降水和下垫面影响很大。
Periodical analysis showed that abrupt change of sediment load happened in 1968 and 1984, which divided the variation process of river sediment load into three stages.
中国主要河流入海泥沙还具有明显的三个阶段变化特征，即分别在1968年和1984年前后发生了突变。
How are sediment load in river? It is the objective mark for soil erosion in the valley.
河流输沙的情况如何，是最为客观反映该流域内土壤侵蚀状况的标志。
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