I am looking for SPI3 and SPI6 calculation method on excel.
hello.
look at :
http://www.ncl.ucar.edu/Document/Functions/Built-in/dim_spi_n.shtml
Thanks very much Pr Saidi.
Hi Mohamed,
If you have access to MATLAB, there are several packages available:
try:
https://de.mathworks.com/matlabcentral/fileexchange/26018-standardized-precipitation-index
https://de.mathworks.com/matlabcentral/fileexchange/51080-nonparametric-standardized-precipitation-index--spi-
https://de.mathworks.com/matlabcentral/fileexchange/26018-standardized-precipitation-index?focused=5141825&tab=function
Good luck!
Andreas
Thank you very mach Mr Andreas Schlueter for your help.
Hi hadda
You can calculate it easily by satellite image without download it with GEE.
It will calculated by 2 datasets, MODIS & CHIRPS from 1month to 48 months SPI
https://un-spider.org/advisory-support/recommended-practices/recommended-practice-drought-monitoring-spi/step-by-step
BEST REGARD
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