Field Experiment on Glacier Ablation under a Layer of Debris Cover : Glaciological Expedition of Nepal, Contribution No. 33
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In order to examine the role of supraglacial debris during ablation, a field experiment was carried out on a snowpatch beside the Rikha Samba Glacier, Hidden Valley. Black phyllite sand was scattered on nine test fields varying in thickness from about 0.5 cm to 8 cm. The thickness of the debris cover and the amount of surface ablation by melting of snow were measured carefully at 5 points in each test field. The results are as follows : (1) The ablation rate was accelerated under a thin debris layer and was retarded under a thick one as compared with that of a natural snow surface. The critical thickness of the debris layer was 1.6 cm. (2) The acceleration of ablation was greatest under a debris cover 0.5 cm thick.
- 社団法人 日本雪氷学会の論文
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関連論文
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- Ground Temperature and its Relation to Permafrost Occurrences in the Khumbu Region and Hidden Valley : Glaciological Expedition to Nepal, Contribution No. 26
- Climate of Hidden Valley, Mukut Himal during the Monsoon in 1974 : Glaciological Expedition to Nepal, Contribution No. 22
- Flow of Glaciers in Hidden Valley, Mukut Himal : Glaciological Expedition to Nepal, Contribution No. 12
- Water Discharge of Rikha Samba Khola in Hidden Valley, Mukut Himal : Glaciological Expedition to Nepal, Contribution No. 9
- Mass Balance Studies of the Glaciers in Hidden valley, Mukut Himal : Glaciological Expedition to Nepal, Contribution No. 7
- Periglacial Phenomena in Hidden Valley, Mukut Himal : Glaciological Expedition to Nepal, Contribution No. 25
- Field Experiment on Glacier Ablation under a Layer of Debris Cover : Glaciological Expedition of Nepal, Contribution No. 33