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Global Surface Water Supply and Demand (1985 to 2020) Summarized in Watershed Basins

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posted on 2025-01-24, 22:14 authored by Eva KinnebrewEva Kinnebrew

Data associated with manuscript: Historical Trends in Snowmelt Used for Irrigation by Kinnebrew et al. 2025, Environmental Research: Food Systems (https://doi.org/10.1088/2976-601X/adacec).

These data represent surface water runoff (supply) and consumption (demand) from 1985 to 2020, summarized within watershed basins (HydroBASINS level 3; https://www.hydrosheds.org/products/hydrobasins). Surface water runoff data were derived from TerraClimate (https://doi.org/10.5061/dryad.vx0k6dk2h), irrigation surface water consumption were derived from the Global Crop Water Model (https://doi.org/10.5281/zenodo.14278069), and domestic & industrial consumption were from Hoekstra et al. (2012). Please see the manuscript methods for additional information.


Column names and descriptions:

1. watershedNum: the HUC12 identifier number from HydroBASINS level 3

2. year: data year, from 1985 to 2020

3. month: data month, e.g., 1 (January), 2 (February), 3 (March), etc.

4. CropWaterDemand_km3: surface water irrigation consumption (in km3)

5. DomIndWaterDemand_km3: surface water consumption (in km3) from domestic and industrial sources

6. TotalDemand_km3: combined water consumption (in km3) from irrigation, domestic, and industrial sources

7. SnowRO_km3: snowmelt runoff (in km3)

8. RainRO_km3: rainfall runoff (in km3)

9. TotalRO_km3: combined snowmelt and rainfall runoff (in km3)

10. SnowConsumed_TotDemand_km3: snowmelt runoff (in km3) that supplied total (irrigation, industrial, and domestic) water consumption

11. RainConsumed_TotDemand_km3: rainfall runoff (in km3) that supplied total (irrigation, industrial, and domestic) water consumption

12. AltConsumed_TotDemand_km3: alternative water sources (in km3) that supplied total (irrigation, industrial, and domestic) water consumption

13. SnowConsumed_CropDemand_km3: snowmelt runoff (in km3) that supplied irrigation water consumption

14. RainConsumed_CropDemand_km3: rainfall runoff (in km3) that supplied irrigation water consumption

15. AltConsumed_CropDemand_km3: alternative water sources (in km3) that supplied irrigation water consumption

Funding

This work was supported by a New Innovator Award (#FF-NIA19-0000000003) from the Foundation for Food & Agriculture Research (FFAR).

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