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| 论文编号: |
61 |
| 论文题目: |
Climate change and soil erosion in a small alpine lake basin on the Loess Plateau, China |
| 英文论文题目: |
Climate change and soil erosion in a small alpine lake basin on the Loess Plateau, China |
| 第一作者: |
Yu, KK |
| 英文第一作者: |
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| 联系作者: |
Xu Hai |
| 英文联系作者: |
Xu Hai |
| 外单位作者单位: |
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| 发表年度: |
2017 |
| 卷: |
42 |
| 期: |
8 |
| 页码: |
1238-1247 |
| 摘要: |
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| 英文摘要: |
Multi-proxy indices retrieved from sediments in Lake Chaonaqiu, an alpine lake on the western Loess Plateau (LP) of China, were used to reconstruct a precipitation history over the last similar to 300 years. The results correlate well with records from tree rings and historical documents in neighboring regions. We show that the lake oscillated between two states, i.e. wetter climatic conditions, which favored denser vegetation cover, and promoted weaker catchment soil erosion; and drier climatic conditions, which lead to less vegetation coverage, correlate with stronger surface soil erosion. Several intensive soil erosion events were identified in the sediment cores, and most of these occurred during decadal/multi-decadal dry periods, and correlate well with flood events documented in historical literature. The results of this study show that soil erosion by flood events is particularly intense during dry periods, and further highlights the role of vegetation cover in the conservation of water and soil in small lake basins on the Chinese LP. |
| 刊物名称: |
EARTH SURFACE PROCESSES AND LANDFORMS |
| 英文刊物名称: |
EARTH SURFACE PROCESSES AND LANDFORMS |
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| 全文链接: |
http://onlinelibrary.wiley.com/doi/10.1002/esp.4071/abstract;jsessionid=03F14FB14D2218B33ADDC328A5411006.f04t04 |
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