The ORNL DAAC compiles, archives, and distributes data on the physical and chemical properties of soils, including soil carbon and nitrogen, soil waterholding capacity, soil respiration, and soil texture. The data are gridded at spatial scales ranging from regional to global. Datasets of soil properties physical and chemical, at various scales. Distributed Active Archive Center, USA.

Telephone: +1 (865) 241-3952
Website: http://daac.ornl.gov/SOILS/soils_collections.html