MERRA-2: Global Land Surface Constants for Soil Modeling

M2C0NXLND is a collection of 2-dimensional constant land surface parameters from NASA's MERRA-2 atmospheric reanalysis. The dataset includes parameters such as soil layer thickness, porosity, and wilting point, produced by NASA's Global Modeling and Assimilation Office using the GEOS 5.12.4 model. It was last updated on March 13, 2026.

Use Cases

• Parameterize soil hydrology models based on predefined soil layer thickness and porosity.
• Initialize land surface components in climate simulations based on constant soil properties.
• Analyze global soil characteristics for agricultural or environmental research based on wilting point data.

Strengths

• Produced by NASA's Global Modeling and Assimilation Office, an authoritative source.
• Includes specific physical constants like soil porosity and wilting point.
• Part of the latest MERRA-2 global atmospheric reanalysis for the satellite era.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Generated by the Goddard Earth Observing System Model (GEOS) version 5.12.4.

Freshness

Last updated 2026-03-13 00:31:17.947874; freshness should be verified.

Geography

Global, based on the 0.625 x 0.5 degree grid mentioned in the title.