Influence of a Debris Layer on the Melting of Ice on Lirung Glacier, Langtang Valley, Rasuwa, Nepal
作者: Sonika Shahi Rijan B. Kayastha Prashant Baral Pradeep K. Mool
刊名: Journal of Hydrology and Meteorology, 2015, Vol.9 (1)
来源数据库: Society of Hydrologists and Meteorologists – Nepal
关键词: Debris coverHimalayan glacierLirung Glacierice meltEnergy flux
原始语种摘要: This paper provides information about the variation of ice ablation rate underneath the highly heterogeneous debris layer on Lirung Glacier in Langtang Valley, Rasuwa district, Nepal. Ice melt under a debris cover has been commonly modelled using two approaches: physically-based energy-balance models and more empirical temperature-index models. Energy Balance Model (EMB) was used at the point scale to calculate melt under a debris-covered glacier. Because of the high heterogeneity of the surface layer, the ablation rate varies throughout the glacier. The average value of thermal resistance (R) in association with the meteorological variables is found to be sufficient enough to give the consistent value of ablation of glacier ice underneath the debris layer. Solar radiation is the only...
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  • debris 岩屑
  • glacier 冰川
  • Nepal 尼泊尔
  • underneath 在...的下面
  • meteorological 气象的
  • component 成分
  • cover 覆盖
  • ablation 剥蚀
  • variables 变量
  • distributed 分布的