0

The following code produces a graph with monthly ET from 2001-2015 over a region.

https://code.earthengine.google.com/e832ebf5c6682669456a050d7c532e58

In contrast, when plotting the daily data,

https://code.earthengine.google.com/09f4b50d3d856a511db6c56d17295f18

exporting to excel and summing up the daily values to get monthly values, the results change significantly.

e.g. January 2001: 33 mm (resulting from the first code) and 57 mm (result of the sum of 8-day values manually with excel, picture).

enter image description here

The study area is the same, does anyone know where the problem is?

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Browse other questions tagged or ask your own question.