Spatiotemporal variations and driving factors of the potential wind erosion rate in the Hexi region, PR China

Bibliographic Data

ID21649472
AuthorsJinkuo Lin (Gansu Key Laboratory for Environmental Pollution Prediction and Control, College of Earth and Environmental Sciences Lanzhou University Lanzhou PR China), Qingyu Guan (0000-0002-1026-6553, Gansu Key Laboratory for Environmental Pollution Prediction and Control, College of Earth and Environmental Sciences Lanzhou University Lanzhou PR China, corresponding author), Ninghui Pan (Gansu Key Laboratory for Environmental Pollution Prediction and Control, College of Earth and Environmental Sciences Lanzhou University Lanzhou PR China), Rui Zhao (0000-0001-6445-3461, Gansu Key Laboratory for Environmental Pollution Prediction and Control, College of Earth and Environmental Sciences Lanzhou University Lanzhou PR China), Liqin Yang (0000-0003-1823-4756, Gansu Key Laboratory for Environmental Pollution Prediction and Control, College of Earth and Environmental Sciences Lanzhou University Lanzhou PR China), Chuanqi Xu (0009-0002-7518-5399, Gansu Key Laboratory for Environmental Pollution Prediction and Control, College of Earth and Environmental Sciences Lanzhou University Lanzhou PR China)
Year2021
Volume32
Issue1
Pages139-157
Publication date2021-01-15
Open AccessYes
TypeARTICLE
VenueLand Degradation and Development (JOURNAL)
Journal identifiersISSN: 1085-3278 • E-ISSN: 1099-145X
PublisherWiley (PUBLISHER • GB)
DOI10.1002/ldr.3702
OpenAlexW3037437477
LanguageEN
Citations received4
References cited61

To reduce the damage caused by wind erosion, the accurate evaluation of wind erosion dynamics and revelation of their driving mechanism are crucial. In this study, the revised wind erosion equation was applied for the estimation of the potential wind erosion rate (PWER) from 1982 to 2015 in the Hexi region, China. Geographic detection, variable control, and correlation analysis were used to determine the contributions of climatic factors and land use patterns to wind erosion. The results showed that the PWER decreased remarkably from 1982 to 2015 (annual average of 67.7 t ha −1 yr −1 for the entire region). Each year a severe and a mild wind erosion period occurred from October to May and from June to September, respectively. Spatially, the PWER was strong in the eastern, western, and northern regions (especially in the west) and less severe in the central and southern regions, and there was a decreasing tendency in 95% of the area. The PWER of Mongolia (north) was highest, while that of Minle was lowest. Climatic factors primarily determined the PWER in Hexi, among which wind speed was the main factor controlling the intensity of wind erosion. The area with a land use inhibiting wind erosion (3,240 km 2 ) was four times larger than that with a land use promoting wind erosion (800 km 2 ). Meanwhile, the total area with a changing land cover was less than 2% of the study area; therefore, this factor did not significantly affect the PWER in the short term

Aeolian processes · China · Climatology · Driving factors · Erosion · Geography · Geomorphology · Meteorology · Physical geography · Prevailing winds · Wind speed · Aeolian processes and effects · Environmental Science · Remote Sensing and LiDAR Applications · Soil erosion and sediment transport · Geology

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