Using ~(137)Cs and ~(210)Pb_(ex) to investigate the soil erosion and accumulation moduli on the southern margin of the Hunshandake Sandy Land in Inner Mongolia
文献类型：期刊论文
| 作者 | Hu Yunfeng ; Zhang Yunzhi
|
| 刊名 | Journal of Geographical Sciences
 |
| 出版日期 | 2019 |
| 卷号 | 29期号:10页码:1655 |
| 关键词 | wind erosion isotope tracing reference inventory quantitative estimation sandy land |
| ISSN号 | 1009-637X |
| 英文摘要 | Wind-driven soil erosion results in land degradation, desertification, atmospheric dust, and sandstorms. The Hunshandake Sandy Land, an important part of the Two Barriers and Three Belts project, plays important roles in preventing desert and sandy land expansion and in maintaining local sustainability. Hence, assessing soil erosion and soil accumulation moduli and analyzing the dynamic changes are valuable. In this paper, Zhenglan Banner, located on the southern margin of the Hunshandake Sandy Land, was selected as the study area. The soil erosion and accumulation moduli were estimated using the ~(137)Cs and ~(210)Pb_(ex) composite tracing technique, and the dynamics of soil erosion and soil accumulation were analyzed during two periods. The results are as follows: (1) the regional ~(137)Cs reference inventory was 2123.5±163.94 Bq/m~2, and the regional ~(210)Pb_(ex) reference inventory was 8112±1787.62 Bq/m~2. (2) Based on the ~(137)Cs isotope tracing analysis, the erosion moduli ranged from-483.99 to 740.31 t·km~(-2)·a~(-1). Based on the ~(210)Pb_(ex) isotope tracing analysis, the erosion moduli ranged from-441.53 to 797.98 t·km~(-2)·a~(-1). (3) Compared with the earliest 50 years, the subsequent 50 years exhibited lower soil erosion moduli and accumulation moduli. Therefore, the activities of local sand dunes weakened, and the quality of the local ecological environment improved. The multi-isotope composite tracing technique combining the tracers ~(137)Cs and ~(210)Pb_(ex) has potential for similar soil erosion studies in arid or semiarid regions around the world. |
| 语种 | 英语 |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/153585]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 作者单位 | Institute of Geographic Sciences and Natural Resources Research, CAS |
| 推荐引用方式 GB/T 7714 | Hu Yunfeng,Zhang Yunzhi. Using ~(137)Cs and ~(210)Pb_(ex) to investigate the soil erosion and accumulation moduli on the southern margin of the Hunshandake Sandy Land in Inner Mongolia[J]. Journal of Geographical Sciences,2019,29(10):1655. |
| APA | Hu Yunfeng,&Zhang Yunzhi.(2019).Using ~(137)Cs and ~(210)Pb_(ex) to investigate the soil erosion and accumulation moduli on the southern margin of the Hunshandake Sandy Land in Inner Mongolia.Journal of Geographical Sciences,29(10),1655. |
| MLA | Hu Yunfeng,et al."Using ~(137)Cs and ~(210)Pb_(ex) to investigate the soil erosion and accumulation moduli on the southern margin of the Hunshandake Sandy Land in Inner Mongolia".Journal of Geographical Sciences 29.10(2019):1655. |
入库方式： OAI收割
来源：地理科学与资源研究所
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