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

查看全文 作　　者：BIAN [1]Lingen;Ian [2]Allison;XIAO [3]Cunde;MA [1]Yongfeng;FU [1]Liang;DING [1]Minghu 高影响力作者 机构地区：[1]Chinese Academy of Meteorological Sciences,Beijing 100081;[2]Antarctic Climate and Ecosystems CRC,Private Bag 80,Hobart,TAS 7001,Australia;[3]State Key Laboratory of Cryospheric Science,Cold and Arid Regions Environmental and Engineering Research Institute,Chinese Academy of Sciences,Lanzhou,China高影响力机构 出　　处：《Advances in Polar Science》索引2016年第27卷第2期,共12页高影响力期刊 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 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. 关 键 词：Antarctic meteorology boundary layer Dome-A climate automatic weather stations
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