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Does soil compaction increase floods? A review
Journal of Hydrology ( IF 5.9 ) Pub Date : 2018-02-01 , DOI: 10.1016/j.jhydrol.2017.12.052
Abdallah Alaoui , Magdalena Rogger , Stephan Peth , Günter Blöschl

Abstract Europe has experienced a series of major floods in the past years which suggests that flood magnitudes may have increased. Land degradation due to soil compaction from crop farming or grazing intensification is one of the potential drivers of this increase. A literature review suggests that most of the experimental evidence was generated at plot and hillslope scales. At larger scales, most studies are based on models. There are three ways in which soil compaction affects floods at the catchment scale: (i) through an increase in the area affected by soil compaction; (ii) by exacerbating the effects of changes in rainfall, especially for highly degraded soils; and (iii) when soil compaction coincides with soils characterized by a fine texture and a low infiltration capacity. We suggest that future research should focus on better synthesising past research on soil compaction and runoff, tailored field experiments to obtain a mechanistic understanding of the coupled mechanical and hydraulic processes, new mapping methods of soil compaction that combine mechanical and remote sensing approaches, and an effort to bridge all disciplines relevant to soil compaction effects on floods.

中文翻译:

土壤压实会增加洪水吗?回顾

摘要 欧洲在过去几年中经历了一系列大洪水,这表明洪水规模可能有所增加。由于农作物耕作或放牧集约化造成的土壤压实造成的土地退化是这种增加的潜在驱动因素之一。文献综述表明,大多数实验证据是在样地和山坡尺度上产生的。在更大的范围内,大多数研究都基于模型。土壤压实在流域尺度上通过三种方式影响洪水:(i) 通过增加受土壤压实影响的面积;(ii) 加剧降雨变化的影响,特别是对高度退化的土壤;(iii) 当土壤压实与质地细腻和渗透能力低的土壤相吻合时。
更新日期:2018-02-01
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