Glacier variations and rising temperature in the Mt. Kenya since the Last Glacial Maximum
文献类型：期刊论文
| 作者 | Chen, AA; Wang, NL; Guo, ZM; Wu, YW; Wu, HB |
| 刊名 | JOURNAL OF MOUNTAIN SCIENCE
 |
| 出版日期 | 2018 |
| 卷号 | 15期号:6页码:1268-1282 |
| ISSN号 | 1672-6316 |
| 关键词 | Remote sensing Last Glacial Maximum Little Ice Age Glacier area Equilibrium-line altitudes Mt. Kenya |
| DOI | 10.1007/s11629-017-4600-z |
| 文献子类 | Article |
| 英文摘要 | High-resolution imagery can be used to reconstruct former glacier boundaries through the identification of glacial erosional and sedimentary geomorphology. We employed moraine mapping and the accumulation-area ratio method (AAR), in conjunction with Landsat, Google Earth, and SRTM imagery, to reconstruct glacier boundaries and equilibrium-line altitudes (ELAs) for Mt. Kenya in the Last Glacial Maximum (LGM), the Little Ice Age (LIA), and at present. Our results show that the areas of Lewis Glacier and the Tyndall-I glacier system were 0.678 km(2) and 0.390 km(2), respectively, during the maximum of LIA. Those mean that the both glaciers have shrunken by 87.0% and 88.7%, respectively since the LIA. Area change ratios for each glacier were significantly larger in the period of 2000 through 2015 than the former periods, indicating that glacier recession has accelerated. Continuous ice loss in this region has been driven by rising temperature and fluctuating precipitation. Linear regression data for Lewis glacier show that mass balance sensitivity to dry season temperature was-315 mm w.e./A degrees C, whereas the sensitivity to dry season precipitation was 5.2 mm w.e./mm. Our data also show that the ELA on the western slope of Mt. Kenya rose by 716-816 m from the LGM to the modern era, corresponding to that temperature rose by 5.2A degrees C -6.5A degrees C. |
| 电子版国际标准刊号 | 1993-0321 |
| 语种 | 英语 |
| WOS记录号 | WOS:000435362700009 |
| 源URL | [http://ir.imde.ac.cn/handle/131551/35510]  |
| 专题 | Journal of Mountain Science_Journal of Mountain Science-2018_Vol15 No.6 |
| 推荐引用方式 GB/T 7714 | Chen, AA,Wang, NL,Guo, ZM,et al. Glacier variations and rising temperature in the Mt. Kenya since the Last Glacial Maximum[J]. JOURNAL OF MOUNTAIN SCIENCE,2018,15(6):1268-1282. |
| APA | Chen, AA,Wang, NL,Guo, ZM,Wu, YW,&Wu, HB.(2018).Glacier variations and rising temperature in the Mt. Kenya since the Last Glacial Maximum.JOURNAL OF MOUNTAIN SCIENCE,15(6),1268-1282. |
| MLA | Chen, AA,et al."Glacier variations and rising temperature in the Mt. Kenya since the Last Glacial Maximum".JOURNAL OF MOUNTAIN SCIENCE 15.6(2018):1268-1282. |
入库方式： OAI收割
来源：成都山地灾害与环境研究所
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