From the go from mountain criteria in order to valley of those the steepness from river valleys and current rate significantly changes
Of the these causes new stream becomes maybe not mighty enough to disperse river floats (boulders, pebbles). That it point dumps right in the fresh riverbed and you may forms particular unique brief isles. During the effects an effective queer and incredibly active pattern is created from of numerous rivers separated by quick isles. 자세히 보기