tailieunhanh - Monitoring glacial thickness changes in the Tibetan Plateau derived from ICESat data

The results show that 90 glacial areas could be distinguished. Most of observed glacial areas on the Tibetan Plateau are thinning, except for some glaciers in the Northwest. In general, glacial elevations on the whole Tibetan Plateau decreased at an average rate of ± meters per year (m a-1) between 2003 and 2009, taking together glaciers of any size, distribution, and location of the observed glacial area. Moreover, the results show that glacial elevation changes indeed strongly depend. | SCIENCE & TECHNOLOGY DEVELOPMENT, Vol. 19, No. K4-2016 Monitoring glacial thickness changes in the Tibetan Plateau derived from ICESat data Phan Hien Vu 1 Roderik Lindenbergh 2 Massimo Menenti 2 1 Ho Chi Minh city University of Technology,VNU-HCM, Vietnam 2 Delft University of Technology, The Netherlands (Manuscript Received on June 28th, 2016, Manuscript Revised August 18rd, 2016) ABSTRACT Monitoring glacier changes is essential for model (DEM) and the Global Land Ice estimating the water mass balance of the Measurements from Space (GLIMS) glacier Tibetan Plateau. Recent research indicates that mask to estimate glacial thickness change trends glaciers at individual regions on the Tibetan between 2003 and 2009 on the whole Tibetan Plateau and surroundings are shrinking and Plateau. The results show that 90 glacial areas thinning during the last decades. Studies could be distinguished. Most of observed glacial considering large regions often ignored areas on the Tibetan Plateau are thinning, however the impact of locally varying weather except for some glaciers in the Northwest. In conditions and terrain characteristics on glacial general, glacial elevations on the whole Tibetan evolution, . the impact of orographic Plateau decreased at an average rate of ± precipitation and variation in solar radiation. meters per year (m a-1) between 2003 and Our hypothesis is therefore that adjacent 2009, taking together glaciers of any size, glaciers of opposite orientation change in a distribution, and location of the observed different way. In this study, we exploit Ice Cloud glacial area. Moreover, the results show that and land Elevation Satellite (ICESat)/ glacial elevation changes indeed strongly Geoscience Laser Altimetry System (GLAS) data depend on the relative position in a mountain in combination with the NASA Shuttle Radar range. Topographic Mission (SRTM) digital elevation Keywords: Tibetan Plateau, glacial change, ICESat/GLAS, SRTM DEM, .

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