Morphological characteristics of thermokarst lakes along the Qinghai-Tibet engineering corridor (SCI)
文献类型：期刊论文
| 作者 | Niu F. J.; Luo J.; Lin Z. J.; Liu M. H.; Yin G. A. |
| 刊名 | Arctic Antarctic and Alpine Research
 |
| 出版日期 | 2014 |
| 卷号 | 46期号:4页码:963-974 |
| 英文摘要 | In order to determine the distribution and morphometric characteristics of thermokarst lakes on the Qinghai-Tibet Plateau, SPOT-5 satellite images were acquired from the Chumaerhe High Plateau to Beiluhe Basin within a 10-km-wide corridor along the Qinghai-Tibet Railway. A total of 2163 water bodies, having a total area of 1.09 x 10(7) m(2), were identified in the study area using unsupervised classification and image interpretation. Several shape metrics (area, perimeter, circularity index, elongation index, orientation of major axis, and curvature of lake shoreline) were determined for lakes from the imagery, and bathymetric profiles of lake bottoms were derived using ground-penetrating radar. The results highlighted significant morphometric differences between lakes larger than 5000 m(2) among three subregions: the Chumaerhe High Plain (CUP), the Hoh Xil Hill region (HXR), and the Beluhe Basin region (BBR). The lakes in CI-IP usually have a more regular outline and smooth lake bottoms, while the lakes in HXR often have the greatest depths and the most complex shorelines. The most elongated and largest lakes were typically in BBR. Other than a minor NE-SE peak in HXR and BBR, the major axis orientation for lakes in the three subregions is mostly ENE-WSW. The differences in lake morphology between the three subregions are associated with differences in ground-ice content, local relief, and topography. The dominant factors controlling the development of orientated thermokarst lakes in the region are the prevailing summer wind direction and solar insolation. |
| 收录类别 | SCI |
| 语种 | 英语 |
| 源URL | [http://ir.casnw.net/handle/362004/27697]  |
| 专题 | 寒区旱区环境与工程研究所_中科院寒区旱区环境与工程研究所（未分类）_期刊论文 |
| 推荐引用方式 GB/T 7714 | Niu F. J.,Luo J.,Lin Z. J.,et al. Morphological characteristics of thermokarst lakes along the Qinghai-Tibet engineering corridor (SCI)[J]. Arctic Antarctic and Alpine Research,2014,46(4):963-974. |
| APA | Niu F. J.,Luo J.,Lin Z. J.,Liu M. H.,&Yin G. A..(2014).Morphological characteristics of thermokarst lakes along the Qinghai-Tibet engineering corridor (SCI).Arctic Antarctic and Alpine Research,46(4),963-974. |
| MLA | Niu F. J.,et al."Morphological characteristics of thermokarst lakes along the Qinghai-Tibet engineering corridor (SCI)".Arctic Antarctic and Alpine Research 46.4(2014):963-974. |
入库方式： OAI收割
来源：寒区旱区环境与工程研究所
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