[1]CHIANG Jie-lun,QIU Hung-pin.Soil Erosion Variation Under Climate Change Scenarios[J].Research of Soil and Water Conservation,2009,16(06):229-234.
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Soil Erosion Variation Under Climate Change Scenarios
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
16
Number of periods:
2009 06
Page number:
229-234
Column:
Public date:
2009-12-20
- Title:
- Soil Erosion Variation Under Climate Change Scenarios
- CLC:
- S157.1;P467
- DOI:
- -
- Abstract:
- Rainfall is the main factor resulting in soil erosion. USLE is the most commonly used formula to estimate soil erosion in the world. The rainfall erosion index is one of the most important factors which directly reacts the degree of soil erosion. The rainfall records (from 1975 to 2000) of Keelung, Hsinchu, Chiayi, Kaohsiung, Ilan, Hualien and Taitung released by Central Weather Bureau were used in this study to establish the relationship between the monthly rainfall erosion index and monthly rainfall amount. Because the precision of rainfall erosion index estimated by the rainfall data from different timescales is different, and moreover the timescale of GCMs has to be considered. In this study, we use GCMs of the downscaling monthly rainfall data simu`lated by GCMs under B2 scenario issued by IPCC to estimate the short-term, medium-term and long-term monthly rainfall erosion index in the future of Keelung, Hsinchu, Chiayi, Kaohsiung, Ilan, Hualien and Taitung released by Central Weather Bureau, and to estimate soil loss variation. The results show that the soil erosion ranges of average variation from different models are -80%~+60% in B2 scenario.
- References:
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