Feasibility Comparison of Reanalysis Data from NCEP-I and NCEP-II in the Himalayas

作     者：XIE Aihong REN Jiawen QIN Xiang KANG Shichang XIE Aihong 1, REN Jiawen 1, QIN Xiang 1, KANG Shichang 1, 21 State Key Laboratory of Cryospheric Sciences, Cold and Arid Regions Environment and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China 2 Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100085, China

作者机构：State Key Laboratory of Cryospheric Sciences Cold and Arid Regions Environment and Engineering Research Institute Chinese Academy of Sciences Lanzhou 73oooo China Institute of Tibetan Plateau Research Chinese Academy of Sciences Beijing 100085 China 

出 版 物：《Journal of Mountain Science》 (山地科学学报（英文）)

年 卷 期：2009年第6卷第1期

页      面：56-65页

核心收录：

学科分类：0709[理学-地质学] 0819[工学-矿业工程] 07[理学] 070601[理学-气象学] 0303[法学-社会学] 0708[理学-地球物理学] 0818[工学-地质资源与地质工程] 0705[理学-地理学] 0815[工学-水利工程] 0706[理学-大气科学] 0816[工学-测绘科学与技术] 0813[工学-建筑学] 0704[理学-天文学] 0833[工学-城乡规划学] 0713[理学-生态学] 0834[工学-风景园林学（可授工学、农学学位）] 

基　　金：funded by the National Natural Science Foundation of China (Grant No. 40501015) the Chinese Academy of Science (Grant No. KZCX3-SW-344) 

主　　题：再分析资料 NCEP 喜马拉雅山 成人 珠穆朗玛峰地区 自动气象站 观测资料 复杂地形 

摘      要：*** is often referred to as the earth s ‘third *** such it is relatively inaccessible and little is known about its *** 2005, an automatic weather station was operated at North Co(28°01 0.95 N, 86°57 48.4 E, 6523 m a.s.l.) of Mt *** on the observational data, this paper compares the reanalysis data from NCEP/NCAR(hereafter NCEP-I) and NCEP-DOE AMIP-II(NCEP-II), in order to understand which reanalysis data are more suitable for the high Himalayas with *** *** comparing with those from the other levels, pressure interpolated from 500 hPa level is closer to the observation and can capture more synoptic-scale variability, which may be due to the very complex topography around *** and the intricately complicated orographic land-atmosphere-ocean *** interpolation from both NCEP-I and NCEP-II daily minimum temperature and daily mean pressure can capture most synoptic-scale variability(r0.82, n=83, p0.001).However there is difference between NCEP-I and NCEP-II reanalysis data because of different mode *** with the observation the magnitude of variability was underestimated by 34.1 %, 28.5 % and 27.1 % for NCEP-I temperature and pressure, and NCEP-II pressure, respectively while overestimated by 44.5 % for NCEP-II *** weather events interpolated from the reanalyzed data, NCEP-I and NCEP-II show the same features that weather events interpolated frompressure appear at the same day as those from the observation, and some events occur one day ahead, while most weather events interpolated from NCEP-I and NCEP-II temperature happen one day ahead of those from the observation, which is much important for the study on meteorology and climate changes in the region, and is very valuable from the view of improving the safety of climbers who attempt to climb ***.