Suitability of different erosivity models used in RUSLE2 for the South West Indian region

Indrani Pal () and Abir Al-Tabbaa
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Indrani Pal: University of Cambridge
Abir Al-Tabbaa: University of Cambridge

Environment Systems and Decisions, 2009, vol. 29, issue 4, 405-410

Abstract: Abstract RUSLE2 is the most used soil erosion model in practice. The rainfall-erosivity factor (R) is one of the six factors that is taken into consideration while estimating soil loss at a hill slope profile. R is determined using rainfall data collected from any region making use of basic rainstorm kinetic energy versus rainfall intensity relationships, which are variable for different geographic regions. Indian researchers used a specific erosivity model for building an iso-erosivity map for India. Many other erosivity models around the world are now available. However, it is not clear whether one can replace RUSLE2 recommended model by the ones derived in other geographic regions for using in Indian soil erosion studies. This has been examined here on south-western Indian data. Various models derived in diverse places were analyzed and compared with the RUSLE2 recommended relationship; and found that, a few could very well replace the usual RUSLE2 recommended expression.

Keywords: Rainfall erosivity factor (R); RUSLE2; Soil erosion; Kinetic energy; Rainfall intensity; South West India (search for similar items in EconPapers)
Date: 2009
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DOI: 10.1007/s10669-009-9232-6

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