نتایج جستجو برای: abstracta mountain glacier
تعداد نتایج: 33357 فیلتر نتایج به سال:
Soil respiration (SR) is an important process in the global carbon cycle. It is difficult to estimate SR emission accurately because of its temporal and spatial variability. Primary forest succession on Glacier forehead provides the ideal environment for examining the temporal-spatial variation and controlling factors of SR. However, relevant studies on SR are relatively scarce, and variations,...
Despite longstanding research on the age and formation of the Tibetan Plateau, the controls on the erosional decay of its margins remain controversial. Pronounced aridity and highly localized rock uplift have traditionally been viewed as limits to the dissection of the plateau by bedrock rivers. Recently, however, glacier dynamics and landsliding have been argued to retard headward fluvial eros...
Digital Elevation Model Reconstruction of a Glaciarized Basin Using Land-Based Structure from Motion
In a climate change context, volume variations of glaciers can be efficiently evaluated by comparison of Digital Elevation Models (DEM) of the ice surface, taken at different time frames. However, traditional methods of DEM reconstruction lack either in resolution or they are costly, considering the remoteness of certain basins. This study aims for testing a method called Structure from Motion ...
Sustained mass loss from Himalayan glaciers is causing supraglacial debris to expand and thicken, with the expectation that thicker will suppress ablation extend glacier longevity. However, debris-covered are losing at similar rates clean-ice in High Mountain Asia. This rapid attributed combined effects of; (a) low or reversed balance gradients across tongues, (b) differential processes locally...
Debris-covered glaciers, especially in high-mountain Asia, have received increased attention recent years. So far, few field-based observations of distributed mass loss exist and both the properties debris layer as well atmospheric drivers melt below remain poorly understood. Using multi-year on-glacier data, spatial surface elevation changes from repeat flights with an unmanned aerial vehicle ...
The time series study of glacier movement is special importance for rational management freshwater resources, studying evolution, understanding mechanism movement, and assessing disasters caused by movement. In this paper, we put forward an optimization scheme the shortcomings in calculation method using remote sensing to invert three-dimensional (3D) surface motion displacement glacier. optimi...
Abstract Humans currently perceive glaciers as icons of a pristine high mountain landscape. Glaciers attract millions visitors every year and add to building Alpine identity, but also provide ecosystem services. Using Austria’s largest glacier an example, we show that abundant water availability would allow artificial management conserve the under ongoing climate change, although costs in order...
Manasi River basin is located in the north foot of Tianshan Mountain, south edge of Zhunger Basin, central-north Xinjiang province, with typical arid features of northern China. As the pressure on water resources in Manasi river basin is mounting because of rapid economic development, its conservation becomes ever more important. Climate change is another major threat to the future of water res...
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