Monitoring soil erosion on agricultural land: results and implications for the Rother valley, West Sussex, UK,Earth Surface Processes and Landforms

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Monitoring soil erosion on agricultural land: results and implications for the Rother valley, West Sussex, UK
Earth Surface Processes and Landforms ( IF 2.8 ) Pub Date : 2020-09-30 , DOI: 10.1002/esp.5011
John Boardman ₁ , Tim Burt _{2,

3} , Ian Foster _{4,

5}

Affiliation

Monitoring has played a key role in understanding the rates, extent and frequency of erosion on agricultural land and this includes projects in Switzerland, Germany and the UK. In this case we focus on highly erodible soils in the Rother valley, West Sussex, southern England on which grow a range of arable crops throughout the year. Erosion rates and extent are high, particularly in response to exceptionally wet periods in the early winter. In the monitored period, rates on summer crops were relatively low due to an absence of intense summer storms. In the years 2015–2020, erosion was localized to where limited areas of bare ground coincided with heavy winter rainfall. Issues of river pollution, associated with excessive sedimentation, off‐site flooding and a high degree of connectivity between arable fields and the river, are of increasing concern. Mitigation measures need to be expanded to protect freshwater systems and properties. This study has implications for similar programmes in intensely farmed regions. © 2020 John Wiley & Sons, Ltd.

中文翻译：

监测农业土地上的水土流失：对英国西萨塞克斯郡罗瑟河谷的结果和启示

监测在了解农田侵蚀的速度，程度和频率方面发挥了关键作用，其中包括瑞士，德国和英国的项目。在这种情况下，我们重点研究英格兰南部西萨塞克斯郡罗瑟河谷中高度易蚀的土壤，全年在该土壤上种植各种可耕作物。侵蚀率和程度很高，特别是在初冬时特别潮湿的情况下。在监测期内，由于没有强烈的夏季风暴，夏季作物的收成相对较低。在2015年至2020年间，侵蚀被局限在裸露土地的有限区域与冬季暴雨相遇的地方。河流污染问题，包括过多的泥沙沉积，场外洪水以及耕地与河流之间的高度连通性，越来越受到关注。需要扩大缓解措施，以保护淡水系统和财产。这项研究对人口密集地区的类似项目具有启示意义。分级为4 +©2020 John Wiley＆Sons，Ltd.

更新日期：2020-09-30

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