Temporal and spatial distribution of tropospheric CO_2 over China based on satellite observations
Temporal and spatial distribution of tropospheric CO_2 over China based on satellite observations作者机构:Key Laboratory of Radiometric Calibration and Validation for Environmental Satellites China Meteorological Administration (LRCVES/CMA) National Satellite Meteorological Center China Meteorological Administration Beijing 100081 China State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry Institute of Atmospheric Physics Chinese Academy of Sciences Beijing 100029 China
出 版 物:《Chinese Science Bulletin》 (科学通报(英文版))
年 卷 期:2010年第55卷第31期
页 面:3612-3618页
核心收录:
学科分类:07[理学] 070601[理学-气象学] 070602[理学-大气物理学与大气环境] 0706[理学-大气科学]
基 金:supported by the National Natural Science Foundation of China (40905056) the fund from State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry (LAPC-KF-2008-11) the key projects from the National Key Technology R&D Program of China (2008BAC34B04-2) the European Union project "AMFIC" (FP6-2005-Space) the National Basic Research Program of China (2005C-B422202 and 2006CB-403702)
主 题:二氧化碳浓度 中国南部地区 对流层 卫星观测数据 时空分布 大气CO2 平均精度 红外探测仪
摘 要:Mid-troposphere CO2 data retrieved by the AIRS(atmospheric infrared sounder) were validated with five ground-based stations and aircraft measurements in the Northern *** CO2 products show good agreement with ground and aircraft *** data had a monthly average accuracy better than 3 *** this study,the spatial and temporal distribution of mid-troposphere CO2 from January 2003 to December 2008 was analyzed based on this satellite *** average concentration of atmospheric CO2 was higher in the Northern Hemisphere than in the Southern *** yearly average results show a gradual increase from 2003 to *** China,the annual growth rate was about 2 ppmv/a,similar to the United States,Europe,Australia and India,but was slightly lower than Canada and ***-troposphere CO2 concentrations were higher over northern China than over southern areas,due to differences in natural conditions and industrial *** were four centers of high CO2 concentration between 35° and 45°N over China,with low concentrations over Yunnan *** was a significant seasonal CO2 variation with peak concentration in spring and the lowest concentration in autumn.