SPI 标准化降水指数介绍及 python 实现

The SPI is simply the transformation of the precipitation time series into a standardized normal distribution (z-distribution).

SPI 指数只是单纯地将时间序列数据–降雨量的数值转化成了标准正态分布的数值

1.计算

To be fullfilled.

2. python 实现

To be fullfilled.