| 1 | Recent progress in Chinese polar upper-atmospheric physics research: review of research advances supported by the Chinese Arctic and Antarctic expeditions显示文摘It has been more than 30 years since the first Chinese Antarctic Expedition took place. Polar upper atmospheric observations started at this time. First began at Great Wall Station and then at Zhongshan Station in Antarctica, and later in the Arctic at Yellow River Station, Kjell Henriksen Observatory on Svalbard, and at the China-Iceland Joint Aurora Observatory in Iceland. In this paper, we reviewed the advances in polar upper atmosphere physics(UAP) based on the Chinese national Arctic and Antarctic research over the last five years. These included newly deployed observatories and research instruments in the Arctic and Antarctic; and new research findings, from ground-based observations, about polar ionosphere dynamics, aurora and particle precipitation, polar plasma convection, geomagnetic pulsations and space plasma waves, space weather in the polar regions, simulations of the polar ionosphere-magnetosphere. In conclusion, suggestions were made for future polar upper atmosphere physics research in China. | HE Fang HU Hongqiao YANG Huigen ZHANG Beichen HUANG Dehong LIU Yonghua HU Zejun LIU Jianjun | 2016 | Advances in Polar Science2016，27，4： | 6 |
| 2 | Study on potential evapotranspiration and wet-dry condition in the seasonal frozen soil region of northern Tibetan Plateau显示文摘This study was based on the CEOP/CAMP-Tibet observed data at AWS (Automatic Weather Station) of MS3478 in the seasonal frozen soil region of northern Tibetan Plateau from March 2007 to February 2008.The variation characteristics of PE (potential evapotranspiration) were analyzed based on the Penman-Monteith method recommended by FAO (the Food and Agriculture Organization of the United Nations).The contributions of dynamic,thermal and water factors to PE were discussed,and the wet-dry condition of the plateau region was further studied.The results indicated that daily PE was between 0.52 mm and 6.46 mm for the whole year.Monthly PE was over 107 mm from May to September,but decreased to less than 41 mm from November to February.Annual PE was 1,037.8 mm.In the summer,thermal PE was significantly more than dynamic PE,but conversely in the winter.Annual variation of thermal PE was of sine wave pattern.In addition,drought and semi-drought climate lasted for a long time while semi-humid climate was short.The effect of water and dynamic factors on PE varied considerably with the seasons.Annual variation of thermal PE was of sine wave pattern. | HuiGen He ZeYong Hu XueYi Xun Jun Sun Li Hao LiJiao Xu Wen Peng | 2011 | Research in Cold and Arid Regions2011，3，2： | 1 |
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