Impact of sheet erosion mechanisms on organic carbon losses from crusted soils in the Sahel
作者： S.B. Maïga-Yaleu , P. Chivenge , H. Yacouba , I. Guiguemde , H. Karambiri
DOI: 10.1016/J.CATENA.2014.11.001
关键词:
摘要: article i nfo Soil surface crusting influences water infiltration and runoff but its impact on soil organic carbon (SOC) losses by sheet erosion is largely unknown. Because there are different mechanisms of erosion, from raindrop detachment transport raindrops interacting with flow (RIFT), to flow, that require a certain slope length be operative, this study examined the SOC nutrient losses. Field experiments were conducted crusted soils in Sahel region Africa. Three replicates micro-plots (1 m × 1 m), plots (10 long 5 width) (25 6 m) installed for each crust type area (structural, STRU; desiccation, DES; gravel, GRAV; ERO) followed rainfall event 2012 rainy season. Sediment, content sediments selected nutrients (NO3 � ;P O4
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