基于信息熵的海南岛降水随机性变化特征

邹海平, 张京红, 陈小敏, 李伟光, 白蕤, 吕润

Change characteristics of precipitation randomness in Hainan Island based on information entropy

ZOU Haiping, ZHANG Jinghong, CHEN Xiaomin, LI Weiguang, BAI Rui, LÜ Run

图2 海南岛年降水量(单位：mm)、年降水日数(单位：d)及其无序指数的空间分布(填色)及变化趋势(三角形) [三角和倒三角分别表示增加、减小趋势，且实心的通过α=0.05的显著性检验。下同] (a)年降水量的分配无序指数，(b)年降水量，(c)年降水日数的强度无序指数，(d)年降水日数

Fig.2 The spatial distribution (shaded areas) and variation trend (triangles) of annual precipitation (Unit： mm)，rainfall days (Unit： d) and their disorder index in Hainan Island (The triangles and inverted triangles represent increasing and decreasing trend， respectively， and the solid pass the significance test at 0.05 level. the same as below) (a) ADI of annual precipitation， (b) annual precipitation，(c) IDI of annual rainfall days， (d) annual rainfall days