NorSWE: Northern Hemisphere in situ snow water equivalent dataset (1979-2021)
Over 11.5 million SWE observations from 10,000+ locations across the Northern Hemisphere (1979-2021), compiled from manual snow surveys, snow pillows, and automated sensors.
doi.org
At a glance
- Region
- Northern Hemisphere
- Coverage
- Northern Hemisphere
- Access
- Free
- Category
- Research
- Last updated
- 2025
What's inside
- Cryosphere
What you can do with it
Typical work that data of this type supports.
- 01
Melt runoff
Forecast snowmelt contributions to rivers.
Because it has: Cryosphere
- 02
Glacier change
Track glacier retreat over decades.
- 03
Supply outlook
Plan seasonal water supply in snow-fed basins.
Where AI adds value
Ideas for machine learning and AI agents built on this kind of data.
- 01
Cloud-free snow maps
Fill snow cover hidden by cloud with ML.
- 02
Melt-season flows
Predict melt-season river flow from snow and weather.
- 03
Lake outburst risk
Map glacial lakes and their outburst risk.
Machine access and documentation
Data paper
NorSWE: Northern Hemisphere in situ snow water equivalent dataset (1979-2021)
Earth System Science Data 2025
Read the paperRelated water data
- GlobSnow v3.0: Northern Hemisphere snow water equivalent datasetNorthern Hemisphere | Free
- NH-SWE: Northern Hemisphere Snow Water Equivalent from in situ snow depth time seriesNorthern Hemisphere | Free
- GlobSnow Snow Water Equivalent (SWE) v2Northern Hemisphere | Free
- NOAA IMS Snow and Ice AnalysisNorthern Hemisphere | Free
Find more water data
Search and compare 1,900+ water data sources by region, type and access.