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Climate and meteorological processes of the East Antarctic ice sheet between Zhongshan and Dome-A

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【作者】 BIAN LingenIan AllisonXIAO CundeMA YongfengFU LiangDING Minghu

【Author】 BIAN Lingen;Ian Allison;XIAO Cunde;MA Yongfeng;FU Liang;DING Minghu;Chinese Academy of Meteorological Sciences;Antarctic Climate and Ecosystems CRC;State Key Laboratory of Cryospheric Science,Cold and Arid Regions Environmental and Engineering Research Institute,Chinese Academy of Sciences;

【机构】 Chinese Academy of Meteorological SciencesAntarctic Climate and Ecosystems CRCState Key Laboratory of Cryospheric Science,Cold and Arid Regions Environmental and Engineering Research Institute,Chinese Academy of Sciences

【摘要】 The 1228 km over-snow traverse route between the Chinese Zhongshan Station,on the coast of Prydz Bay,and Dome-A,at 4091 m elevation the highest point of the East Antarctic ice sheet,has been the focus of CHINARE surface meteorological and climate studies since 2002.A network of seven Automatic Weather Stations has been deployed along this section,including at Dome-A itself,and some of these have now provided nearly-hourly data for over a decade.Atmospheric boundary layer turbulence and radiation observations have been made over the near-coastal ice sheet inland of Zhongshan and surface turbulence measurements using an ultrasonic anemometer system have also been made in the deep interior of the ice sheet.Summer GPS radiosonde soundings of the atmospheric boundary layer have been made at Kunlun Station,near Dome-A.In this paper these observations are combined to provide a comprehensive overview of the meteorological regime of this region of the ice sheet,its climate variability,and as a reference for future study of climate change.This includes investigation of the variation of surface climate features with elevation and distance from the coast,the height and structure of the boundary layer over the ice sheet,and seasonal and regional changes in ice/snow-air interactions,including turbulent and radiative energy fluxes.The air temperature and snow temperature between the coastal Zhongshan and Dome-A on the inland plateau have not changed significantly in the past decade compared with the inter-annual variability.

【基金】 supported by the Chinese Polar Environment Comprehensive Investigation and Assessment Program(Grant no.CHINARE 2015-2016);supported by the Australian Government’s Cooperative Research Centres Program through the Antarctic Climate and Ecosystems Cooperative Research Centre
【所属期刊栏目】 Review_Thematic papers on "A Decade of Scientific Research at Dome A,Antarctica" (2016年02期)
  • 【DOI】10.13679/j.advps.2016.2.00090
  • 【分类号】P461;P343.6
  • 【下载频次】6
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