GEMB v1.0: Glacier Energy and Mass Balance Model Output for Greenland and Antarctica

Greenland and Antarctica glacier model output from the Glacier Energy and Mass Balance model version 1.0. The data includes firn air content and surface mass balance, forced with 3-hourly ERA5 fields from 1979 to June 2022 and gridded to 10km resolution. It was produced by Nicole‐Jeanne Schlegel at the Jet Propulsion Laboratory and integrated into the open-source Ice-Sheet and Sea-level System Model.

Use Cases

• Modeling ice sheet surface-atmospheric energy exchange based on the GEMB column model.
• Analyzing long-term trends in firn air content for Greenland and Antarctica based on the 1979-2022 time series.
• Calibrating other ice sheet models using the bias-corrected ERA5 surface temperature and radiation forcing.
• Studying surface mass balance variability on a 10km grid for polar regions.

Strengths

• Covers a long temporal range from 1979 to June 2022.
• Provides data for two major ice sheet regions: Greenland and Antarctica.
• Forcing data uses 3-hourly ERA5 fields with spatial bias correction for Greenland.
• Output is provided on a consistent 10km grid.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and file size are unknown, which may limit suitability assessment.
• Last update date is unknown; freshness unverified.

Provenance

Source

Jet Propulsion Laboratory

Collection Method

Output from version 1.0 of the open-source Glacier Energy and Mass Balance model forced with ERA5 data.

Time Range

1979 to June 2022

Geography

Greenland and Antarctica