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首页> 外文期刊>Earth Surface Processes and Landforms: The journal of the British Geomorphological Research Group >Slope-channel linkage and sediment delivery on north carolina coastal plain cropland
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Slope-channel linkage and sediment delivery on north carolina coastal plain cropland

机译：北卡罗莱纳州沿海平原农田的坡道与泥沙输送

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摘要

This paper presents the results of field measurements conducted in a small (19.4 ha) agricultural basin on the North Carolina coastal plain. The overall objective of the study is to determine the magnitude of soil erosion and sediment delivery as a result of storm runoff. The results suggest that erosion in the region is more rapid and extensive than previously thought. Fields at the site are experiencing accelerated soil loss, with rates often comparable to those of the southeastern Piedmont, a region long recognized as having rapid and problematic soil loss. This casts doubt on some assessments of the coastal plain as being a stable, non-eroding landscape. However, much of the soil mobilized is redistributed and stored within the watershed with only a small portion of the soil eroded from slopes leaving the basin on an event time frame.
机译：本文介绍了在北卡罗来纳州沿海平原的一个小型农业盆地（19.4公顷）中进行的现场测量结果。该研究的总体目标是确定暴雨径流导致土壤侵蚀和沉积物输送的程度。结果表明，该地区的侵蚀比以前认为的更为迅速和广泛。该地区的田地正在加速流失，其流失率通常可与东南部的皮埃蒙特（Piedmont）东南部相提并论，该地区早已被公认为土壤流失迅速且存在问题。这使人们对沿海平原是否是稳定，无侵蚀的景观产生了怀疑。但是，动员的大部分土壤被重新分配并存储在分水岭内，只有一小部分土壤在一定的时间范围内从坡地侵蚀而离开盆地。

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