Forecasts of landscape evolution and soil organic carbon redistribution in the Midwestern United States

Jeffrey Kwang, Evan Thaler & Isaac Larsen
In the Midwestern US, agricultural practices, i.e. tillage, causes soil erosion that changes how soil organic carbon (SOC) is naturally distributed across the landscape. We use a landscape evolution model (LEM) to predict how landscapes and SOC change from 2020 to 2520 across 410 counties located in Illinois, Indiana, Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, South Dakota, and Wisconsin. Initial distributions of SOC were estimated with the gridded Soil Survey Geographic (gSSURGO) dataset, maintained...
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