A geospatial web portal for sharing and analyzing greenhouse gas data derived from satellite remote sensing images  

作　　者：Hao LIN Bailang YU Zuoqi CHEN Yingjie HU Yan HUANG Jianping WU Bin WU Rong GE 

机构地区：[1]Key Laboratory of Geographic Information Science (Ministry of Education), East China Normal University, Shanghai 200241, China [2]Department of Geography, University of California Santa Barbara, Santa Barbara, CA 93106, USA

出　　处：《Frontiers of Earth Science》2013年第3期295-309,共15页地球科学前沿（英文版）

基　　金：This work is supported by the National Basic Research Program of China （Grant No. 2010CB951603） and the National Natural Science Foundation of China （Grant No. 41001270）. The authors thank five anonymous reviewers for their constructive comments and suggestions.

摘　　要：Greenhouse gas data collected by different institutions throughout the world have significant scientific values for global climate change studies. Due to the diversity of data formats and different specifications of data access interfaces, most of those data should be first downloaded onto a local machine before they can be used. To overcome this limitation, we present a geospatial web portal for sharing and analyzing greenhouse gas data derived from remote sensing images. As a proof-of-concept, a prototype has also been designed and implemented. The work：flow of the web portal contains four processes： data access, data analysis, results visualiza- tion, and results output. A large volume of greenhouse gas data have been collected, described, and indexed in the portal, and a variety of data analysis services, such as calculating the temporal variation of regionally averaged column CO2 values and analyzing the latitudinal variations of globally averaged column CO2 values, are integrated into this portal. With the integrated geospatial data and services, researchers can collect and analyze greenhouse gas data online, and can preview and download the analysis results directly from the web portal. The geospatial web portal has been implemented as a web application, and we also used a study case to illustrate this framework.Greenhouse gas data collected by different institutions throughout the world have significant scientific values for global climate change studies. Due to the diversity of data formats and different specifications of data access interfaces, most of those data should be first downloaded onto a local machine before they can be used. To overcome this limitation, we present a geospatial web portal for sharing and analyzing greenhouse gas data derived from remote sensing images. As a proof-of-concept, a prototype has also been designed and implemented. The work：flow of the web portal contains four processes： data access, data analysis, results visualiza- tion, and results output. A large volume of greenhouse gas data have been collected, described, and indexed in the portal, and a variety of data analysis services, such as calculating the temporal variation of regionally averaged column CO2 values and analyzing the latitudinal variations of globally averaged column CO2 values, are integrated into this portal. With the integrated geospatial data and services, researchers can collect and analyze greenhouse gas data online, and can preview and download the analysis results directly from the web portal. The geospatial web portal has been implemented as a web application, and we also used a study case to illustrate this framework.

关 键 词：greenhouse gas data geospatial web portal online spatial analysis 

分 类 号：TP393.4[自动化与计算机技术—计算机应用技术] P208[自动化与计算机技术—计算机科学与技术]