Distribution of soil organic carbon in the conterminous United States
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Abstract
The U.S. Soil Survey Geographic (SSURGO) database provides detailed soil mapping for most of the conterminous United States (CONUS). These data have been used to formulate estimates of soil carbon stocks, and have been useful for environmental models, including plant productivity models, hydrologic models, and ecological models for studies of greenhouse gas exchange. The data were compiled by the U.S. Department of Agriculture Natural Resources Conservation Service (NRCS) from 1:24,000-scale or 1:12,000-scale maps. It was found that the total soil organic carbon stock in CONUS to 1 m depth is 57 Pg C and for the total profile is 73 Pg C, as estimated from SSURGO with data gaps filled from the 1:250,000-scale Digital General Soil Map. We explore the non-linear distribution of soil carbon on the landscape and with depth in the soil, and the implications for sampling strategies that result from the observed soil carbon variability.
| Publication type | Book chapter |
|---|---|
| Publication Subtype | Book Chapter |
| Title | Distribution of soil organic carbon in the conterminous United States |
| ISBN | 978-3-319-04083-7 |
| DOI | 10.1007/978-3-319-04084-4_9 |
| Year Published | 2014 |
| Language | English |
| Publisher | Springer International Publishing |
| Publisher location | New York, NY |
| Contributing office(s) | Earth Resources Observation and Science (EROS) Center |
| Description | p. 85-93 |
| Larger Work Type | Book |
| Larger Work Subtype | Other Government Series |
| Larger Work Title | Soil Carbon |
| Google Analytic Metrics | Metrics page |