[1]JIANG Ling,XIAO Yi,OUYANG Zhiyun,et al.Estimate of the Wind Erosion Modules in Qinghai Province Based on RWEQ Model[J].Research of Soil and Water Conservation,2015,22(01):21-25,32.
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Estimate of the Wind Erosion Modules in Qinghai Province Based on RWEQ Model
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
22
Number of periods:
2015 01
Page number:
21-25,32
Column:
Public date:
2015-02-28
- Title:
- Estimate of the Wind Erosion Modules in Qinghai Province Based on RWEQ Model
- Keywords:
- wind erosion; GIS; RWEQ model
- CLC:
- S157.1
- DOI:
- -
- Abstract:
- Wind erosion is one of the main environment problems in many countries and regions, and quantitative analysis is a hotspot of wind erosion research. With tools of remote and GIS, the RWEQ model was used to simulate the wind erosion modules in Qinghai Province of China. The result showed that the area of about 38.70 million hm2 suffered from wind erosion, accounting for 53.6% of Qinghai land area of Qinghai, the amount of soil loss caused by wind erosion was 1.78 billion tons, and average wind erosion module was 45.99 t/(hm2·a). Light wind erosion is the main intensity in most parts of Qinghai, and harm caused by wind erosion in most regions is light, but serious in Qaidam Basin where more higher intensity mainly distributes than the moderate one. The comparison between RWEQ simulation and 137Cs tracing showed high fit (R2=0.912), indicating the application of RWEQ to regional scale in China was feasible.
- References:
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