Share this page!

Enter URL or ID to Unroll

You can paste full URL like: https://x.com/threadreaderapp/status/1644127596119195649
or just the ID like: 1644127596119195649

How to get URL link on X (Twitter) App

  1. On the Twitter thread, click on or icon on the bottom
  2. Click again on or Share Via icon
  3. Click on Copy Link to Tweet
  4. Paste it above and click "Unroll Thread"!
  5. More info at Twitter Help
Megan Konar Profile picture
Megan Konar
@MeganKonar
Associate Professor @CEEatIllinois. Research on water, food, and trade. Currently on sabbatical @UniofOxford.
Jan 27, 2023 • 6 tweets • 3 min read
How much water does each crop use?

We estimate irrigation for each crop in the United States, by county, year, & water source.

Our database of ~2.5 million data points is freely available.

Paper (open access): agupubs.onlinelibrary.wiley.com/doi/10.1029/20…
Data: databank.illinois.edu/datasets/IDB-4… Maps of crop-specific irrig... How did we do this?

We fused statistical information & a global hydrological model.

We used PCR-GLOBWB 2 with high-resolution inputs for the U.S.

Irrigation volumes are constrained to match total surface & groundwater volumes in the USGS Water Use database. Map of the landcover catego...