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HAN YuanHong, LI XiaoYan, WANG Qi, HAO LeWei, TIAN Bing, MA XiaoFeng, ZHU Jun, LIAO Peng, JI HongJie, Ma DongXu. Hydrodynamic Control of Sedimentary Systems in Shore Zone of Qinghai Lake[J]. Acta Sedimentologica Sinica, 2015, 33(1): 97-104. doi: 10.14027/j.cnki.cjxb.2015.01.010
Citation: HAN YuanHong, LI XiaoYan, WANG Qi, HAO LeWei, TIAN Bing, MA XiaoFeng, ZHU Jun, LIAO Peng, JI HongJie, Ma DongXu. Hydrodynamic Control of Sedimentary Systems in Shore Zone of Qinghai Lake[J]. Acta Sedimentologica Sinica, 2015, 33(1): 97-104. doi: 10.14027/j.cnki.cjxb.2015.01.010

Hydrodynamic Control of Sedimentary Systems in Shore Zone of Qinghai Lake

doi: 10.14027/j.cnki.cjxb.2015.01.010
  • Received Date: 2014-03-12
  • Rev Recd Date: 2014-06-10
  • Publish Date: 2015-02-10
  • Qinghai Lake is a typical intermontane downfaulted lake in the arid region of northwest China. It is very similar to some continental petroliferous basins, and developed a series of sedimentary facies which are favorable for hydrocarbon accumulation. Thus, researching the sedimentary systems of Qinghai Lake could provide us a good example of paleogeographic recovery in the similar ancient lacustrine basin. In order to analyze the evolution of coastline and sedimentary system of Qinghai Lake, field trip are taken, large amounts of previous data are summed up and 10 pieces of remote sensing images over the past 40 years are interpreted in this study. Meanwhile, on basis of detailed study of hydrodynamics of Qinghai Lake, computer numerical simulation method is used to reveal the sediment transport patterns of Qinghai Lake. There are mainly three clockwise currents in Qinghai Lake; the hydrodynamic characteristics in the beach area are more complicated, sediment transport patterns are consistent with regional hydrodynamic features. It indicates that hydrodynamic condition is the most important factor to affect the sedimentary system of Qinghai Lake. Furthermore, the area including, river estuary, sand island- Haiyan bay, Langjian spit and eastern bay, have the most obvious evolutionary characteristics in Qinghai Lake. It is inferred that the evolution pattern of sedimentary system will keep unchanging under the condition of dry climate in a short time.
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  • Received:  2014-03-12
  • Revised:  2014-06-10
  • Published:  2015-02-10

Hydrodynamic Control of Sedimentary Systems in Shore Zone of Qinghai Lake

doi: 10.14027/j.cnki.cjxb.2015.01.010

Abstract: Qinghai Lake is a typical intermontane downfaulted lake in the arid region of northwest China. It is very similar to some continental petroliferous basins, and developed a series of sedimentary facies which are favorable for hydrocarbon accumulation. Thus, researching the sedimentary systems of Qinghai Lake could provide us a good example of paleogeographic recovery in the similar ancient lacustrine basin. In order to analyze the evolution of coastline and sedimentary system of Qinghai Lake, field trip are taken, large amounts of previous data are summed up and 10 pieces of remote sensing images over the past 40 years are interpreted in this study. Meanwhile, on basis of detailed study of hydrodynamics of Qinghai Lake, computer numerical simulation method is used to reveal the sediment transport patterns of Qinghai Lake. There are mainly three clockwise currents in Qinghai Lake; the hydrodynamic characteristics in the beach area are more complicated, sediment transport patterns are consistent with regional hydrodynamic features. It indicates that hydrodynamic condition is the most important factor to affect the sedimentary system of Qinghai Lake. Furthermore, the area including, river estuary, sand island- Haiyan bay, Langjian spit and eastern bay, have the most obvious evolutionary characteristics in Qinghai Lake. It is inferred that the evolution pattern of sedimentary system will keep unchanging under the condition of dry climate in a short time.

HAN YuanHong, LI XiaoYan, WANG Qi, HAO LeWei, TIAN Bing, MA XiaoFeng, ZHU Jun, LIAO Peng, JI HongJie, Ma DongXu. Hydrodynamic Control of Sedimentary Systems in Shore Zone of Qinghai Lake[J]. Acta Sedimentologica Sinica, 2015, 33(1): 97-104. doi: 10.14027/j.cnki.cjxb.2015.01.010
Citation: HAN YuanHong, LI XiaoYan, WANG Qi, HAO LeWei, TIAN Bing, MA XiaoFeng, ZHU Jun, LIAO Peng, JI HongJie, Ma DongXu. Hydrodynamic Control of Sedimentary Systems in Shore Zone of Qinghai Lake[J]. Acta Sedimentologica Sinica, 2015, 33(1): 97-104. doi: 10.14027/j.cnki.cjxb.2015.01.010
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