CGIAR Annual Average Evapotranspiration (1970-2000) - Dataset

Field	Value
Author	Natural Capital Project, Stanford University
Tags	ANNUAL EVAPOTRANSPIRATION CGIAR ET0 EVAPOTRANSPIRATION
Places	GLOBAL
Last Updated	August 12, 2025, 00:04 (UTC)
Created	February 28, 2025, 21:08 (UTC)
Natcap Last Updated	2025-08-12T00:04:11.939485+00:00

Cite this dataset

Zomer, R.J.; Xu, J.; Trabuco, A. 2022. Version 3 of the Global Aridity Index and Potential Evapotranspiration Database. Scientific Data 9, 409. https://www.nature.com/articles/s41597-022-01493-1

Embed this layer into your website

<div id="map" style="width: 100%; height: 400px;"></div>

<link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css" integrity="sha256-p4NxAoJBhIIN+hmNHrzRCf9tD/miZyoHS5obTRR9BMY=" crossorigin="" />
<script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js" integrity="sha256-20nQCchB9co0qIjJZRGuk2/Z9VM+kNiyxNV1lvTlZBo=" crossorigin=""></script>
<script>
  var map = L.map('map').setView([0, 0], 4);

  L.tileLayer('https://tile.openstreetmap.org/{z}/{x}/{y}.png', {
    attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
  }).addTo(map);

L.tileLayer('https://titiler-897938321824.us-west1.run.app/cog/tiles/WebMercatorQuad/{z}/{x}/{y}@2x?colormap_name=viridis&bidx=1&url=https%3A%2F%2Fstorage.googleapis.com%2Fnatcap-data-cache%2Fglobal%2FCGIAR-ET0%2Fannual%2Fglobal_et0_v3_yr_1970_2000.tif&rescale=33.0%2C3411.0').addTo(map);
</script>

Use this data in Python

from osgeo import gdal

raster = gdal.OpenEx('/vsicurl/https://storage.googleapis.com/natcap-data-cache/global/CGIAR-ET0/annual/global_et0_v3_yr_1970_2000.tif')
band = raster.GetRasterBand(1)
array = band.ReadAsArray(
    xoff=my_window_x_offset,
    yoff=my_window_y_offset,
    win_xsize=my_window_width_in_pixels,
    win_ysize=my_window_height_in_pixels)