Extremely uneven runoff distribution in a year and low water flow in dry season are causative of deterioration of the river water.
年内径流分配极不均匀、枯水期流量小是导致河流水质恶化的主要原因。
In this thesis, we study the chemical element content change in suspension, solution and sediment state when in low, high and normal flow season.
研究化学元素在枯、丰、平三个水季悬浮态、 可溶态、 沉积态的含量变化。
The upper reaches deforestation of Minjiang River presents positive correlation with the change of low water flow, which proves it is the main factor that generates decrease of runoff in dry season.
岷江上游森林破坏与枯水流量变化是呈正相关的，岷江上游森林破坏是引起枯水期径流减少的重要原因。
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