横断山区典型海洋型冰川物质平衡研究

doi:10.11821/dlxb201509005

Abstract

Abstract:

Research on Mt. Yulong is of great significance to evaluating the relationships between climate and glacier change in the Hengduan Mountains. Results show that the glacier mass had huge loss during the study period, varying from a minimum value of -1872 mm water equivalent (w.e.) to a maximum value of -907 mm w.e. The equilibrium line altitude of glacier was 4972 m in 2008, but it had been beyond the upper limit of the glacier since 2009. The accumulation occurred from October to the following May, while the ablation from June to September accounted for over 80% of the total amount of Baishui Glacier No.1. The mass balance vertical gradient was limited at the beginning and the end of the ablation period, and it is smaller in the ablation period compared with the whole year. The mean vertical gradient in this region was 1230 mm w.e. (100 m)^-1 during 2008/2009, 2011/2012 and 2012/2013.

Key words: Hengduan Mountains, monsoonal temperate glacier, Baishui Glacier No.1, glacier mass balance

Jiankuo DU, Yuanqing HE, Shuang LI, Shijin WANG, Hewen NIU. Mass balance of a typical monsoonal temperate glacier in Hengduan Mountains Region[J].Acta Geographica Sinica, 2015, 70(9): 1415-1422.

Figures/Tables 5

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References 23

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	2008-2009	2009-2010	2010-2011	2011-2012	2012-2013
物质平衡(mm w.e.)	-1017	-1467	-907	-1709	-1872
平衡线高度(m)	4 972	-	-	-	-
积累区面积比率(%)	0.06	0	0	0	0

Mass balance of a typical monsoonal temperate glacier in Hengduan Mountains Region

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