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Ice thickness,internal layers,and surface and subglacial topography in the vicinity of Chinese Antarctic taishan station in Princess Elizabeth Land,East Antarctica

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Applied Geophysics 2016年第1期13卷 203-208,222,223页

作者：唐学远郭井学孙波王甜甜崔祥斌国家海洋局极地科学重点实验室中国极地研究中心上海200136

We present the results of two ground-based radio-echo-sounding（RES） and GPS surveys performed in the vicinity of new Chinese taishan station,Princess Elizabeth Land,East Antarctica,obtained in two austral summers during CHINARE 21（2004/2005） and CHINARE 29（2012/2013）.The radar surveys measured ice thickness and internal layers using 60- and 150-MHz radar systems,and GPS measurements showed smooth surface slopes around the station with altitudes of 2607-2636 m above sea level（a.s.l.）.Radar profiles indicate an average ice thickness of 1900 m,with a maximum of 1949 m and a minimum of 1856 m,within a square area measuring approximately 2 km × 2 km in the vicinity of the *** ice thickness beneath the station site is 1870 *** subglacial landscape beneath the station is quiet sharp and ranges from 662 to 770 m a.s.l.,revealing part of a mountainous *** ice volume in the grid is estimated to be 7.6 km^*** a 60-MHz radar profile with a length of 17.6 km at the region covering the station site,some disturbed internal layers are identified and traced;the geometry of internal layers within the englacial stratigraphy may imply a complex depositional process in the area.

关键词： East Antarctica taishan station ice thickness internal layers ground-based radio echo sounding

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A mobile polar atmospheric parameter measurement system:Ⅱ. First atmospheric turbulence observation at Antarctic taishan station

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Advances in Polar Science 2015年第2期26卷 140-146页

作者： TIAN Qiguo JIANG Peng WU Xiaoqing JIN Xinmiao LU Shan JI Tuo CHAI Bo ZHANG Shaohua ZHOU Hongyan Polar Research Institute of China Key Laboratory for Research in Galaxies and Cosmology Department of AstronomyUniversity of Science and Technology of ChinaChinese Academy of Sciences Key Laboratory of Atmospheric Composition and Optical Radiation Anhui Institute of Optics and Fine MechanicsChinese Academy of Sciences

This is the second paper of a series devoted to atmospheric optical turbulence Cn^2 observation using a mobile polar atmospheric parameter measurement system. We present the initial results of Cn^2 measurement at Antarctic taishan station using micro-thermal sensors and a three-dimensional sonic anemometer at height -2.0 m above the snow surface. The site testing experiments were carried out during the 30th Chinese National Antarctic Research Expedition （CH1NARE）. We collected about 1 000 h of data between 30 December 2013 and 10 February 2014. The C,： curve exhibits clear daily structures, with two peaks around midnight and midday and two troughs around 7：30 and 17：00 local time （UTC＋5）. The mean C,2 is 2.7×10^-15 m^-2/3 and the 25th and 75th percentiles of the C,2 cumulative distribution are 9.6×10^-16 m^-2/3 and 6.2×10^-15 m^-2/3, respectively. Meteorological parameters such as temperature, relative humidity, wind speed, and air pressure are also presented.

关键词： micro-thermal sensors three-dimensional sonic anemometer turbulence site testing Antarctic Plateau,Kunlun station taishan station

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