The spatial variability of runoff area has a great effect on the time-space input of sediment supply into rivers.

流域产流面积的空间变化对其产沙、供沙的时空输入特性具有制约作用。

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Because of the spatial-temporal variability and inhomogeneity of natural factors and the uncertainty of human activities, runoff and sediment yielding is a complicated nonlinear process.

由于自然因素的时空变异性和不均一性以及人类活动的不确定性，因此产流产沙是一个复杂的非线性过程。

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The runoff of Zongo Glacier Bolivia, 16S shows an appreciable seasonal variability, with low discharges in the dry season May to August and high values in the humid season October to March .

UNESCO: Dublin Core