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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Most of that is gone, Pierce says, and for all the commitment to "Save the Bay" he is of the view little progress has been made, and that development on the shoreline, population growth in the area and runoff from area farms and lawns have greatly outpaced conservation and restoration efforts.

CNN: King: Waterman finds Chesapeake Bay 'dying daily'

Some of the runoff from some of the plants in the area were getting too hot, and that was inhibiting salmon.

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