Results 201 to 210 of about 8,242 (239)
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Permafrost degeneration in the east of Qinghai-Xizang Plateau
Chinese Geographical Science, 1996The zoning boundaries of permafrost are theoretically determined from the relation between permafrost and modern climate in this paper. The boundary elevations are given in a profile. There are many phenomena demonstrating a common degeneration, such as buried frozen soil, pseudo-permafrost landforms, variations of patchy permafrost table ...
Linnan Zhu +3 more
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Review of numerical simulation on the dynamics of Qinghai-Xizang plateau
Acta Seismologica Sinica, 2004In recent twenty years, much numerical simulation work has been done on the evolution of Qinghai-Xizang (Tibetan) plateau. In this paper some principal numerical models and results are reviewed and analyzed. The earlier plane stress or plane strain model has much discrepancy with the actual deformation of Qinghai-Xizang plateau, such as the thickening ...
Shi-kuo Lu, Yong-en Cai
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Modeling permafrost properties in the Qinghai-Xizang (Tibet) Plateau
Science China Earth Sciences, 2015Water and heat dynamics in the active layer at a monitoring site in the Tanggula Mountains, located in the permafrost region of the Qinghai-Xizang (Tibet) Plateau (QXP), were studied using the physical-process-based COUPMODEL model, including the interaction between soil temperature and moisture under freeze-thaw cycles.
GuoJie Hu +10 more
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1986
The Qinghai-Xizang Plateau is a huge land mass with an area of about 250 million km2 and an average altitude of 4km forming a special boundary layer in the middle free atmosphere of the troposphere. As the Plateau is a heat source in summer, the heat energy may be supplied through the boundary layer and transported to the free atmosphere leading to a ...
Chengshan Song, Baozhen Zhu, Guowu Sun
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The Qinghai-Xizang Plateau is a huge land mass with an area of about 250 million km2 and an average altitude of 4km forming a special boundary layer in the middle free atmosphere of the troposphere. As the Plateau is a heat source in summer, the heat energy may be supplied through the boundary layer and transported to the free atmosphere leading to a ...
Chengshan Song, Baozhen Zhu, Guowu Sun
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The environmental effects of the uplift of the Qinghai-Xizang Plateau
Quaternary Science Reviews, 1991Abstract The intense upheaval of the Qinghai-Xizang Plateau took place 2 Ma BP. The terraces of the Yellow River in the Lanzhou Region and its upper sections provide a record of the uplift of the Plateau. The interaction of glaciation cycles resulting from climatic changes and pulsating tectonic upheavals are both involved in the record of ...
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A new understanding of the uplift of the Qinghai-Xizang (TIBET) plateau
Journal of Central South University of Technology, 1996The uplift of the Qinghai-Xizang (Tibet) Plateau happened in different crustal movements and different time from those of the collision of Asia continent with the allochthonous India crustobody, and the uplift occurred very long after the finish of the collision.
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Late Permian to Miocene bivalve assemblages from Hohxil, Qinghai‐Xizang Plateau, China
Journal of the Royal Society of New Zealand, 1996 An open access copy of this article is available from the publishers website.Nine fossil bivalve assemblages have been recognized in the Hohxil desert area of western Qinghai, China: Wuchiapingian Netschajewia jiangsuensis assemblage, Smithian - Spathian
Jingeng Sha
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Gravel deposits on the margins of the Qinghai-Xizang Plateau, and their environmental significance
Palaeogeography, Palaeoclimatology, Palaeoecology, 1996Abstract The thick deposits of Quaternary gravels found along the margins of the Qinghai-Xizang (Tibet) Plateau have been studied for decades. Here, we concentrate on two sediment series widely developed along the Kunlun, Tian Shan and Qilian mountains: the Xiyu Formation, a molassic series of Lower Pleistocene age, and the Middle and Upper ...
Liu Tungsheng +2 more
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Effects of the Tibetan Plateau (Qinghai-Xizang) on the Monsoon
1994The Tibetan Plateau is one of the most complex geographical features in the world, with an average elevation of about 4 km. Thus, it not only exerts a significant mechanical barrier effect, but also serves as an elevated heat source that generates a temperature contrast with the surrounding free atmosphere.
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The property, age and formation environment of the palaeokarst in Qinghai-Xizang Plateau
Journal of Geographical Sciences, 2002The karst landforms distributed on the Qinghai-Xizang (Tibet) Plateau can be genetically classed with the Tertiary underground karst, which were gradually exhumed to the surface with the uplift of the plateau during Quaternary period. The relative deposits of the Tertiary palaeokarst processes, such as the residuum and speleothem, were discovered ...
Gao Quan-zhou +4 more
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