祁连山老虎沟流域冰川下垫面地表特征参数变化特征.pdf

Advances in Geosciences 地球科学前沿, 2017, 7(2), 110-126
Published Online April 2017 in Hans.
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Changes of the Characteristic
Parameters on Glacial Surface
of the Laohugou Basin
in the Qilian Mountains
Sha Li1, Li Fu2, Weijun Sun2, Jiong Shu1
1The Key Laboratory of Geographic Information Science (Ministry of Education), School of Geographic Science,
East China Normal University, Shanghai
2College of Geography and Environment, Shandong Normal University, Jinan Shandong


Received: Apr. 3rd, 2017; accepted: Apr. 22nd, 2017; published: Apr. 26th, 2017



Abstract
Characteristic parameters of glacier near ground surface based on the glacier surface energy and
material balance model have an important influence on the simulation accuracy of glacier ablation.
It is significant to study the characteristic parameters of the near surface for the investigation of
glacier response to climate change. The changing meteorological characteristics around the Lao-
hugou No. 12 glaciers, as a typical example of continental glacier, have been studied based on the
data of automatic meteorological station located at the 5040 m altitude of glacier accumulation
area in the west section of Qilian Mountains. And then, the corresponding characteristic parame-
ters including the roughness of momentum and heat, momentum drag coefficient, heat transfer
coefficient, and sensible and latent heat flux near glacier surface layer have been analyzed. First,
the results showed that the average value of a