Journal of Natural Resources, Volume. 35, Issue 2, 399(2020)
Spatial and temporal variations in mass balance of Qiyi Glacier in Qilian Mountains
Fig. 1. Location of the Qiyi Glacier and distributions of stakes for measuring mass balance
Fig. 2. Boundary information of Qiyi Glacier in different periods during 1975-2015
Fig. 5. Mass balance series of four typical glaciers in the Tibetan Plateau
Fig. 6. Measured monthly average mass balance of Qiyi Glacier from September 2011 to August, 2016
Fig. 7. Contours of mass balance in spatial distribution on Qiyi Glacier during 2011-2016
Fig. 8. Mass balance change along with the altitude on Qiyi Glacier during 2011-2016
Fig. 9. Monthly average mass balance change along with the altitude on Qiyi Glacier
Fig. 10. Relationship between annual mass balance and ELA on Qiyi Glacier
Fig. 11. Relationship between monthly mass balance and temperature/precipitation on Qiyi Glacier
Table 1. List of remote sensing images
View tableView in ArticleTable 1. List of remote sensing images
遥感影像 接收日期 传感器 分辨率/m 轨道号 云量/% LM11450331973301AAA05 1973-10-28 MSS 78 145/33 8 LM21450331975282XXX01 1975-10-09 MSS 78 145/33 23 LM21450331977127AAA03 1977-05-07 MSS 78 145/33 7 LT51350331986206BJC00 1986-07-25 TM 30 135/33 0 LT51350331990233BJC00 1990-08-21 TM 30 135/33 0 LT51350331995231BJC00 1995-08-19 TM 30 135/33 1 LE71350332000141SGS00 2000-05-20 ETM+ 30/15 135/33 0 LE71350332005282PFS00 2005-10-09 ETM+ 30/15 135/33 0 LE71350332010280SGS00 2010-10-07 ETM+ 30/15 135/33 2 LE71350332015102EDC00 2015-04-12 ETM+ 30/15 135/33 3
Table 2. Inter-annual variation of accumulation, ablation, mass balance and ELA on Qiyi Glacier
View tableView in ArticleTable 2. Inter-annual variation of accumulation, ablation, mass balance and ELA on Qiyi Glacier
观测
年份ELA/m a.s.l. 积累量 消融量 物质平衡 积累区
面积/km2积累量/
万m3积累深
度/mm消融区
面积/km2消融量/
万m3消融深度/
mm净平衡/
万m3物质平衡/
mm w.e.消融区
面积比例/%2011/2012 4958 0.48 7.44 154 2.22 -114.82 -518 -107.38 -403 82.1 2012/2013 5045 0.17 2.89 171 2.53 -275.74 -1090 -272.85 -1005 93.7 2013/2014 4899 0.81 15.86 196 1.89 -104.33 -552 -88.47 -328 70.1 2014/2015 4745 1.67 11.10 67 1.03 -39.24 -381 -28.14 -104 38.2 2015/2016 4956 0.49 23.09 467 2.21 -169.32 -768 -146.23 -542 81.7
Table 3. Average mass balance and its trend of four typical glaciers in the Tibetan Plateau
View tableView in ArticleTable 3. Average mass balance and its trend of four typical glaciers in the Tibetan Plateau
名称 位置 类型 * /(mm w.e.) 年变化率/(mm w.e. a-1) 研究时段/年 1号冰川 43.1°N,86.8°E 大陆型 -753 -4.0 2000-2013 七一 39.5°N,97.5°E 大陆型 -450 13.1 2001-2016 小冬克玛底 33.1°N,92.1°E 大陆型 -452 -13.3 2000-2012 帕隆No. 94 29.2°N,96.9°E 海洋型 -848 -20.2 2005-2013
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Sheng WANG, Tan-dong YAO, Jian-chen PU. Spatial and temporal variations in mass balance of Qiyi Glacier in Qilian Mountains[J]. Journal of Natural Resources, 2020, 35(2): 399
Received: Nov. 13, 2018
Accepted: --
Published Online: Sep. 25, 2020
The Author Email: Sheng WANG (wangsheng@sxnu.edu.cn)
