Model-based assessment soil loss by wind and water erosion in China's Loess Plateau: Dynamic change, conservation effectiveness, and strategies for sustainable restoration
文献类型：期刊论文
| 作者 | Jiang, Chong1,2,3; Zhang, Haiyan4; Zhang, Zhidong5; Wang, Dewang6 |
| 刊名 | GLOBAL AND PLANETARY CHANGE
 |
| 出版日期 | 2019 |
| 卷号 | 172页码:396-413 |
| 关键词 | Water erosion Wind erosion Loess Plateau Ecological restoration Constraint effect |
| ISSN号 | 0921-8181 |
| DOI | 10.1016/j.gloplacha.2018.11.002 |
| 通讯作者 | Jiang, Chong(jiangchong1987@gmail.com) |
| 英文摘要 | Soil erosion is a widespread environmental problem that threatens environmental sustainability. The Loess Plateau (LP) in China is one of the most severely eroded areas in the world. In this study, the soil erosion dynamics were assessed by applying the Revised Universal Soil Loss Equation and the Revised Wind Erosion Equation; further, the underlying drivers for soil erosion processes were investigated. In addition, implications of constraint effects in soil erosion control were discussed. The results showed that there was a substantial reduction in both wind and water erosion between 2000 and 2015; it is considered that vegetation restoration (mainly in relation to government-aided ecological restoration programs), increased precipitation, and a decrease in wind speed may have contributed to these trends. Land cover and soil properties contribute to spatial patterns of soil erosion. Thus, ecological restoration programs have promoted improvements in soil properties, leading to an eventual reduction. Constraint line analysis indicates that vegetation cover has a nonlinear and threshold effect on soil erosion through constraining the water condition (i.e., rainfall). With respect to water erosion, when rainfall is below the threshold (approximately 450-500 mm), it is not sufficient to maintain a good vegetation cover (about 30-40%), and vegetation cannot efficiently prevent soil erosion; however, once rainfall exceeds the threshold, the soil retention function of the vegetation is enhanced and soil loss is substantially reduced. In addition, there is a lower (10%) and an upper (40%) threshold at which vegetation can control wind erosion, which implies that plant cover lower than 10% has a minimal effect on reducing the wind velocity at the soil surface, and the effect of vegetation on reducing wind erosion is at its maximum when plant cover is 40% or above. However, if human intervention is removed, the limited amount of rainfall on the LP would be insufficient to support large areas of trees in the long-term; therefore, the constraint effects of the water condition on vegetation cover need to be considered to improve the efficiency of afforestation and reforestation efforts aimed at mitigating and preventing soil loss. |
| WOS关键词 | INNER MONGOLIA REACH ; YELLOW-RIVER BASIN ; SEDIMENT YIELD ; LAND-USE ; CLIMATE VARIABILITY ; ECOSYSTEM SERVICES ; TEMPORAL PATTERNS ; MIDDLE REACHES ; RISK ; REGION |
| 资助项目 | Guangdong Academy of Sciences (GDAS)' Project of Science and Technology Development[2017GDASCX-0701] ; Guangdong Academy of Sciences (GDAS)' Project of Science and Technology Development[2019GDASYL-0103001] ; Guangdong Academy of Sciences (GDAS)' Project of Science and Technology Development[2018GDASCX-0101] ; Guangdong Academy of Sciences (GDAS)' Project of Science and Technology Development[2018GDASCX-0403] ; Guangdong Academy of Sciences (GDAS)' Project of Science and Technology Development[2017GDASCX-0101] |
| WOS研究方向 | Physical Geography ; Geology |
| 语种 | 英语 |
| WOS记录号 | WOS:000456222800029 |
| 出版者 | ELSEVIER SCIENCE BV |
| 资助机构 | Guangdong Academy of Sciences (GDAS)' Project of Science and Technology Development |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/50593]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 通讯作者 | Jiang, Chong |
| 作者单位 | 1.Guangzhou Inst Geog, Guangdong Open Lab Geospatial Informat Technol &, Guangzhou 510070, Guangdong, Peoples R China 2.Key Lab Guangdong Utilizat Remote Sensing & Geog, Guangzhou 510070, Guangdong, Peoples R China 3.Beijing Normal Univ, Coll Global Change & Earth Syst Sci, Beijing 100875, Peoples R China 4.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China 5.Southern Univ Sci & Technol, Sch Environm Sci & Engn, Shenzhen 518055, Peoples R China 6.Chinese Res Inst Environm Sci, Beijing 100012, Peoples R China |
| 推荐引用方式 GB/T 7714 | Jiang, Chong,Zhang, Haiyan,Zhang, Zhidong,et al. Model-based assessment soil loss by wind and water erosion in China's Loess Plateau: Dynamic change, conservation effectiveness, and strategies for sustainable restoration[J]. GLOBAL AND PLANETARY CHANGE,2019,172:396-413. |
| APA | Jiang, Chong,Zhang, Haiyan,Zhang, Zhidong,&Wang, Dewang.(2019).Model-based assessment soil loss by wind and water erosion in China's Loess Plateau: Dynamic change, conservation effectiveness, and strategies for sustainable restoration.GLOBAL AND PLANETARY CHANGE,172,396-413. |
| MLA | Jiang, Chong,et al."Model-based assessment soil loss by wind and water erosion in China's Loess Plateau: Dynamic change, conservation effectiveness, and strategies for sustainable restoration".GLOBAL AND PLANETARY CHANGE 172(2019):396-413. |
入库方式： OAI收割
来源：地理科学与资源研究所
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