The information entropy of Nilagu Gully is 0.452, suggesting it is in the mature stage.All these results are consistence with local situations.

• 尼拉姑沟的斯特拉勒面积-高程值为0.；452，处于沟谷发育的旺盛时期，泥石流危险度较高，计算结果与当地实际情况有较好的一致性。