福建省空气清新度卫星遥感监测  

Study of remote sensing atmosphere index of Fujian Province

作　　者：李恺霖 张春桂[2] 廖廓[2] 李丽纯[2] 王宏[2] LI Kailin;ZHANG Chungui;LIAO Kuo;LI Lichun;WANG Hong(Fujian Meteorological Information Center,Fuzhou,350001,China;Fujian Meteorological Institute,Fuzhou,350001,China)

机构地区：[1]福建省气象信息中心,福州350001 [2]福建省气象科学研究所,福州350001

出　　处：《国土资源遥感》2019年第4期151-158,共8页Remote Sensing for Land & Resources

基　　金：福建省科技计划项目“卫星资料在福建强对流降水监测预报中的应用”(编号:2016Y0008);国家自然科学基金项目“气溶胶物理化学对台湾海峡及周边地区雾霾天气之影响”(编号:41461164007)共同资助

摘　　要：通过利用葵花-8(Himawari-8)卫星气溶胶光学厚度(aerosol optical depth,AOD)数据三级(L3)资料(时间分辨率为60 min/次)和MODIS的归一化插值植被指数(normalized difference vegetation index,NDVI)资料,构建了卫星遥感空气清新度(remote sensing atmosphere index,RSAI)指数,并以福建省为例,分析其季节变化的规律。研究表明,四季中福建省沿海地区均为AOD高值区,西部地区为AOD低值区;全省秋季AOD数值全年最低,且福建省四季整体AOD皆低于大陆周边省份。与长江三角洲、珠江三角洲和南昌市城市群相比,福建省境内福厦泉城市群植被覆盖良好,季节差异不大。根据RSAI指数,福建省四季皆为清新以上等级,福建省四季RSAI指数皆高于大陆周边省份,显示出福建省特有的生态优势。通过对AOD,NDVI和RSAI的分析表明,福建省空气质量好,透明度高,植被覆盖好,卫星遥感空气清新度指数高,对研究区旅游业发展,提高人类健康水平,脱贫致富,减少污染及改善环境等方面都大有裨益。Based on the Himawari-8 Level3 aerosol optical depth data(Once per hour)and NDVI from MOIDS data,the authors constructed a new RSAI,which can be used to analyzed the seasonal variation of Fujian Province.The results indicate that AOD along the coast line of Fujian Province stand high all the seasons,while the AOD value reaches the bottom in western Fujian.In autumn,the AOD value is the lowest;furthermore,AOD values of Fujian Province are lower than those of any other provinces in China’s mainland.Contrary to things of Yangtze River Delta,Pearl River Delta and Nanchang urban agglomerations,in such main cities of Fujian as Fuzhou,Xiamen and Quanzhou,the vegetation coverage is pretty good.As a result,according to the new construction RSAI,Fujian ranks above‘fresh’level throughout all the seasons,the RSAI statistics are higher than those of other neighborhood in China’s mainland,implying privilege ecosystems of Fujian Province.These data show that Fujian Province is of good air quality,high atmospheric transparency,good vegetation coverage and high-level RSAI,as shown by comprehensively analysis of the three indexes.It is therefore held that Fujian Province is favorable not only for tourism but also for improving health,poverty alleviation,reducing pollution and improving the environment.

关 键 词：葵花-8 MODIS RSAI 气溶胶光学厚度 

分 类 号：P407[天文地球—大气科学及气象学]