نتایج جستجو برای: abstracta mountain glacier
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Abstract This study deploys RTK-GNSS in 2012, TLS 2015 and UAV 2018 to monitor the changes of Urumqi Glacier No. 1 (UG1), eastern Tien Shan, analyzes feasibility three technologies monitoring mountain glaciers. DEM differencing shows that UG1 has experienced a pronounced thinning mass loss for period 2012–18. The glacier surface elevation change ?0.83 ± 0.57 m w.e. ?1 been recorded 2012–15, whe...
In recent years the frequency of cloud burst has increased tremendously and global temperature rise is considered to be among the major causes for the devastating flood. The mean temperature of the earth has increased 0.75° C since nineteenth century, which resulted in faster evaporation rate from high altitude glacial lakes, an important causes of frequent cloud burst in the high altitude regi...
has been approved by the Examining Committee for the thesis requirement for the Master of Arts degree in Geography at the May 2014 graduation. ii " Far away in Montana, hidden from view by clustering mountain-peaks, lies an unmapped northwestern corner-the Crown of the Continent. The water from the crusted snowdrift which caps the peak of a lofty mountain there trickles into tiny rills, which h...
The rhizobacterial communities of 29 pioneer plants belonging to 12 species were investigated in an alpine ecosystem to assess if plants from different species could select for specific rhizobacterial communities. Rhizospheres and unvegetated soils were collected from a floristic pioneer stage plot at 2,400 m a.s.l. in the forefield of Weisskugel Glacier (Matsch Valley, South Tyrol, Italy), aft...
Mountain ranges are the world's natural water towers and provide water resources for millions of people. However, their hydrological balance and possible future changes in river flow remain poorly understood because of high meteorological variability, physical inaccessibility, and the complex interplay between climate, cryosphere, and hydrological processes. Here, we use a state-of-the art glac...
High mountain ecosystems are among the most sensitive environments to changes in climatic conditions occurring on global, regional and local scales. The article describes the changing conditions observed over recent years in the high mountain basin of the Claro River, on the west flank of the Colombian Andean Central mountain range. Local ground truth data gathered at 4150 m, regional data avai...
A mechanistic, biogeochemical succession model, FIRE-BGC, was used to investigate the role of fire on long-term landscape dynamics in northern Rocky Mountain coniferous forests of Glacier National Park, Montana, USA. FIRE-BGC is an individual-tree model-created by merging the gap-phase process-based model FIRESUM with the mechanistic ecosystem biogeochemical model FOREST-BGC-that has mixed spat...
This paper describes recent exceptional slope failures in high-mountain, glacial environments: The 2002 Kolka-Karmadon rock-ice avalanche in the Caucasus, a series of ice-rock avalanches on Iliamna Volcano, Alaska, the 2005 Mt. Steller rock-ice avalanche in Alaska, and ice and rock avalanches at Monte Rosa, Italy in 2005 and 2007. Deposit volumes range from 10 to 10 m and include rock, ice and ...
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