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December 29, 2019

Mount Everest Region Glaciers December 2019 Limited Accumulation Area

Mount Everest region snowline identified on Dec. 11, 2019 Landsat image (yellow dots).  Green dots indicate the terminus and pink arrows flow direction of specific glaciers: T=Trakarding, DN=Drogpa Nagtsang, M=Melung, BK=Bhote Koshi, S=Shalong, Y=Yanong, G=Gyabarg, YN=Yanong North, GY=Gyachung, J=Jiuda, R=Rongbuk, ER=East Rongbuk, I=Imja, L=Lhotse, M=Marala, K=Khumbu, N=Ngozumpa. The winter monsoon for the Himalaya is a dry cold period with limited new snow accumulation.  The Landsat image of Dec. 11, 2019 …


January 26, 2016

Where is the snow at Nup La, 5850 m, West Rongbuk Glacier?

Landsat image from January 4, 2016 indicating the actual Nup La (N).  Purples dots is the snowline. Green arrows are expanding bedrock exposures and pink arrow a specific rock know amidst the glacier. Nup La at 5850 m is on the Nepal-China border and is the divide between the West Rongbuk Glacier and the Ngozumpa Glacier.  The pass should be part of the accumulation zone of both glaciers.  In recent …


February 16, 2012

Ngozumpa Glacier Retreat Tongue Disintegration, Nepal

Ngozumpa Glacier (also Ngozumba) is a large debris covered valley glacier draining south from Cho Oyu and Gyanchung Kang one valley west of the Khumbu valley. The lower 10 kilometers of this glacier is heavily debris covered, similar to the Khumbu Glacier and Imja Glacier. Above image from Doug Benn. From the terminus at 4700 meters to 4900 meters a distance of 8 kilomters the glacier is increasingly riddled with …