DOI: 10.1007/s00382-017-3823-6
Scopus记录号: 2-s2.0-85027891076
论文题名: The response of surface mass and energy balance of a continental glacier to climate variability, western Qilian Mountains, China
作者: Sun W. ; Qin X. ; Wang Y. ; Chen J. ; Du W. ; Zhang T. ; Huai B.
刊名: Climate Dynamics
ISSN: 9307575
出版年: 2018
卷: 50, 期: 2018-09-10 起始页码: 3557
结束页码: 3570
语种: 英语
英文关键词: Albedo
; Glacier melt
; Light absorbing impurities
; Radiative forcing
; Surface energy balance
Scopus关键词: air temperature
; albedo
; climate variation
; energy balance
; glacier mass balance
; radiative forcing
; snowmelt
; surface energy
; China
; Laohugou Glacier
; Qilian Mountains
; Xinjiang Uygur
英文摘要: To understand how a continental glacier responds to climate change, it is imperative to quantify the surface energy fluxes and identify factors controlling glacier mass balance using surface energy balance (SEB) model. Light absorbing impurities (LAIs) at the glacial surface can greatly decrease surface albedo and increase glacial melt. An automatic weather station was set up and generated a unique 6-year meteorological dataset for the ablation zone of Laohugou Glacier No. 12. Based on these data, the surface energy budget was calculated and an experiment on the glacial melt process was carried out. The effect of reduced albedo on glacial melting was analyzed. Owing to continuous accumulation of LAIs, the ablation zone had been darkening since 2010. The mean value of surface albedo in melt period (June through September) dropped from 0.52 to 0.43, and the minimum of daily mean value was as small as 0.1. From the records of 2010–2015, keeping the clean ice albedo fixed in the range of 0.3–0.4, LAIs caused an increase of +7.1 to +16 W m−2 of net shortwave radiation and an removal of 1101–2663 mm water equivalent. Calculation with the SEB model showed equivalent increases in glacial melt were obtained by increasing air temperature by 1.3 and 3.2 K, respectively. © 2017, Springer-Verlag GmbH Germany. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/109329
Appears in Collections: 影响、适应和脆弱性 气候变化事实与影响
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作者单位: College of Geography and Environment, Shandong Normal University, Jinan, 250014, China; Qilian Shan Station of Glaciology and Ecologic Environment, State Key Laboratory of Cryospheric Sciences, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, 730000, China; Institute of Climate System, Chinese Academy of Meteorological Sciences, Beijing, 100081, China
Recommended Citation:
Sun W.,Qin X.,Wang Y.,et al. The response of surface mass and energy balance of a continental glacier to climate variability, western Qilian Mountains, China[J]. Climate Dynamics,2018-01-01,50(2018-09-10)