Traditional Culture Encyclopedia - Weather inquiry - Find out what front and front are and what effect they have on the weather.
Find out what front and front are and what effect they have on the weather.
First of all, the most direct influence on river turbidity is the amount of vegetation along the river.
Secondly, during the rainfall period, it will also have a short-term impact on river turbidity. The degree of influence is related to rainfall time and rainfall intensity.
But generally speaking, frontal rain is a kind of long-term and high precipitation rainfall, but the rainfall intensity is relatively small. Because of these characteristics, frontal rain has a much smaller scouring force on the surface than convective rain, but it has a much greater degree of penetration into the surface.
frontal rain
In addition, it is also related to the topography and soil composition along the river.
Therefore, under the condition of good vegetation protection along the river, frontal rainfall has little effect on river turbidity. If there are dense forests along the river, long-term frontal rainfall will even make the river clear to some extent, such as Lijiang River.
However, if the vegetation along the river is not well protected, even in the case of bare surface, long-term frontal rainfall will greatly increase the sediment concentration of rivers, such as the Yellow River.
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