利用富尼耶指数评价保加利亚西南部降雨侵蚀力

IF 0.2 Q4 GEOSCIENCES, MULTIDISCIPLINARY

Spisanie Na B Lgarskoto Geologichesko Druzhestov-Review of the Bulgarian Geological Society Pub Date : 2022-12-01 DOI:10.52215/rev.bgs.2022.83.3.221

N. Nikolova, S. Matev, Imerlije Alili

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引用次数: 1

摘要

土壤侵蚀是保加利亚最普遍的环境问题之一，它经常与其他危险现象一起发生，如滑坡、土壤退化、风蚀等。造成侵蚀的主要因素是降雨。降雨侵蚀力是表明降雨产生侵蚀过程的潜力的一个指标，在分析某一区域的气候脆弱性方面具有根本的重要性。本研究的目的是通过比较两种指数——Fournier指数(FI)和改进的Fournier指数(MFI)的结果来评估保加利亚人口最多的地区之一——西南部的降雨侵蚀力。结果表明，研究站总体上属于低侵蚀力类型。发现MFI具有更高的灵敏度，提供了更多的细节，也显示了高甚至非常高的降雨侵蚀力年份。

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Assessment of rainfall erosivity in Southwest Bulgaria using the Fournier index

Soil erosion is one of the most widespread environmental problems in Bulgaria, which often occurs together with other dangerous phenomena such as landslides, soil degradation, wind erosion, etc. The main factor for erosion is rainfall. Rainfall erosivity is an indicator of the potential of rainfall to generate erosion processes and is of fundamental importance in the analysis of the climate vulnerability of a given region. The purpose of the present study is to assess rainfall erosivity in one of the most populated regions of Bulgaria – the Southwest by comparing the results of two indices - the Fournier index (FI) and the modified Fournier index (MFI). The results show that, in general, the studied stations belong to a low class of erosivity. It is found that MFI has greater sensitivity and provides more detail, showing also years with high and even very high rainfall erosivity.

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Spisanie Na B Lgarskoto Geologichesko Druzhestov-Review of the Bulgarian Geological Society GEOSCIENCES, MULTIDISCIPLINARY-

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