Soil Science Society of America Journal · 2008 · 170 citations · 41 references
Natural SciencesEarth SciencesSoil SciencesSediment TransportSoil Organic MatterSoil ScienceErosionErosion ProcessesSediment ErosionSoil Carbon LossesSoil DegradationSoil ErosionAggregate StabilityFlume ExperimentsInterrill ErosionRill ErosionSilt LoamSoil Erosion ProcessesSoil Organic CarbonSoil Organic Carbon Loss
Erosion and loss of organic carbon (OC) result in degradation of the soil surface. Rill and interrill erosion processes on a silt loam soil were examined in laboratory rainfall and flume experiments. These experiments showed that rill and interrill erosion processes have contrasting impacts on enrichment of OC in transported sediment. Rill erosion was found to be nonselective, while for interrill erosion the enrichment ratio of OC, ER OC , varied between 0.9 and 2.6 and was inversely related to the unit sediment discharge. At unit sediment discharge values >0.0017 kg s −1 m −1 , the ER OC remained equal to 1. The enrichment process was not influenced by raindrop impact. Enrichment of OC by “aggregate stripping” was found to be unimportant in our study. This was attributed to the low aggregate stability of the soil and the equal distribution of OC within the different soil aggregate classes.
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Carbon distribution and losses: erosion and deposition effects
E. G. Gregorich, K.J. Greer, D. W. Anderson et al. · Soil and Tillage Research · 1998 · 511 citations · Full text
Hydraulics and erosion in eroding rills
M. A. Nearing, L. D. Norton, D. A. Bulgakov et al. · Water Resources Research · 1997 · 469 citations · Full text