Glacial change in the vicinity of Mt. Qomolangma (Everest), central high Himalayas since 1976
文献类型：SCI/SSCI论文
| 作者 | Nie Y. ; Zhang Y. L. ; Liu L. S. ; Zhang J. P. |
| 发表日期 | 2010 |
| 关键词 | glacial change glacial retreat Himalayas Mt. Qomolangma (Everest) National Nature Preserve remote sensing central tibetan plateau remote-sensing data ice core monitoring glacier cordillera blanca mountain glaciers climate-change retreat satellite alps |
| 英文摘要 | Glaciers are one of the most important land covers in alpine regions and especially sensitive to global climate change. Remote sensing has proved to be the best method of investigating the extent of glacial variations in remote mountainous areas. Using Landsat thematic mapping (TM) and multi-spectral-scanner (MSS) images from Mt. Qomolangma (Everest) National Nature Preserve (QNNP), central high Himalayas for 1976, 1988 and 2006, we derived glacial extent for these three periods. A combination of object-oriented image interpretation methods, expert knowledge rules and field surveys were employed. Results showed that (1) the glacial area in 2006 was 2710.17 +/- 0.011 km(2) (about 7.41% of the whole study area), and located mainly to the south and between 4700 m to 6800 m above sea level; (2) from 1976 to 2006, glaciers reduced by 501.91 +/- 0.035 km(2) and glacial lakes expanded by 36.88 +/- 0.035 km(2); the rate of glacier retreat was higher in sub-basins on the southern slopes (16.79%) of the Himalayas than on the northern slopes (14.40%); most glaciers retreated, and mainly occurred at an elevation of 4700-6400 m, and the estimated upper limit of the retreat zone is between 6600 m and 6700 m; (3) increase in temperature and decrease in precipitation over the study period are the key factors driving retreat. |
| 出处 | Journal of Geographical Sciences |
| 卷 | 20 |
| 期 | 5 |
| 页 | 667-686 |
| 收录类别 | SCI |
| 语种 | 英语 |
| ISSN号 | 1009-637X |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/23253]  |
| 专题 | 地理科学与资源研究所_历年回溯文献 |
| 推荐引用方式 GB/T 7714 | Nie Y.,Zhang Y. L.,Liu L. S.,et al. Glacial change in the vicinity of Mt. Qomolangma (Everest), central high Himalayas since 1976. 2010. |
入库方式： OAI收割
来源：地理科学与资源研究所
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