Global Gravity-based Groundwater Product (G3P)
First global observation-based groundwater storage dataset derived from GRACE/GRACE-FO satellite gravimetry. Monthly groundwater storage anomalies at 0.5° resolution from 2002 to 2023 with uncertainty estimates
gravis.gfz-potsdam.de
At a glance
- Region
- Global
- Coverage
- Global at 0.5° resolution, monthly from 2002-2023
- Access
- Free
- Category
- Research
What's inside
- Groundwater Storage
- Total Water Storage
- Gravity Anomalies
- Subsurface Water
What you can do with it
Typical work that data of this type supports.
- 01
Storage tracking
Follow storage and releases through the season.
Because it has: Groundwater Storage
- 02
Change over time
See how lakes and wetlands have grown or shrunk.
- 03
Trend hotspots
Find where water tables are falling year after year.
Where AI adds value
Ideas for machine learning and AI agents built on this kind of data.
- 01
Storage from space
Estimate volume from satellite water area and altimetry.
- 02
Release decisions
Optimise releases against inflow forecasts.
- 03
Gap filling
Rebuild missing well readings from neighbours, rainfall and season.
Related water data
- GFZ GravIS Gravity Information Service (Groundwater & Water Storage)Global | Free
- Global Groundwater Quality Dataset (IHP-WINS resource - PFAS/Arsenic)Global | Free
- NASA GRACEGlobal | Free
- Copernicus Lake Water Quality NRT v2 (100m)Global | Free
- Dartmouth Flood ObservatoryGlobal | Free
- Eawag Global Arsenic in Groundwater DatasetGlobal | Free
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