Harmonized Soil Carbon Database

"This state-of-the-art database was established by IIASA and FAO in partnership with:

About HWSD

HWSD has two main goals:

  • To increase the quantity and quality of data available by capturing data at a grid cell size of 30 arc seconds of longitude and latitude (approximately, l km);
  • To harmonize and expand soil attribute information (texture, composition) with recently collected soil data."


Years of Record

temporal metadataID:


Spatial Resolution

21600x43200 [0.00833333]

Ocean or Land

Land Only

Input Data

Mixture of existing products

Earth system components and main variables

Data Access: Please Cite data sources, following the data providers' instructions.

Cite this page

National Center for Atmospheric Research Staff (Eds). Last modified 30 Sep 2013. "The Climate Data Guide: Harmonized Soil Carbon Database." Retrieved from https://climatedataguide.ucar.edu/climate-data/harmonized-soil-carbon-database.

Acknowledgement of any material taken from this page is appreciated. On behalf of experts who have contributed data, advice, and/or figures, please cite their work as well.