Data / Dataset
Western Terminal Lakes
Open-water surface area of each lake, by month.
- Status
- In preparation
- Estimated release
- December 2026
- Coverage
- Six terminal lakesLakes with no outflow to the sea. Water leaves only by evaporation, so their size tracks drought and water use closely. in the western U.S., 2019 to present
- Updates
- Monthly
- License
- CC BY 4.0
- Summary
- A monthly table of how much open water each lake holds on the surface, with an uncertainty range for every value. It is meant for researchers, water managers, and anyone tracking how these lakes change over time.
- Lakes
- Great Salt Lake (north and south arms reported separately), Salton Sea, Mono Lake, Pyramid Lake, Walker Lake, and Lake Abert.
- Format
- One row per lake per month, in CSV and Parquet, with a data dictionary explaining each column.
- Download
- Files will be on Zenodo with a DOI and mirrored on Hugging Face when version 1.0 is published. Access requires a short sign-in form.
Columns in each row
| Column | Meaning |
|---|
| lake | Lake name, and arm where a lake is split |
| month | Calendar month, as YYYY-MM |
| area_km2 | Open-water area in square kilometers |
| area_low / area_high | Uncertainty range for the area |
| quality | Flag for months with limited or uncertain observations |
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