ZHANG Jixian, GU Haiyan, LU Xuejun, et al. Research framework of geographical conditions and big data[J]. Journal of Remote Sensing, 2016,20(5):1017-1026.
ZHANG Jixian, GU Haiyan, LU Xuejun, et al. Research framework of geographical conditions and big data[J]. Journal of Remote Sensing, 2016,20(5):1017-1026. DOI: 10.11834/jrs.20166190.
Geographical Conditions Monitoring(GCM) is a novel and important aspect in the development of geoinformation science in the age of big data. Its development needs top-level design
new technology
and the establishment of a more flexible
efficient
and low cost service mode. This paper first explains the sources and characteristics of Geographical Condition and Big Data(GCBD)
which mainly comprises eight types of data
namely
Earth observation data
basic geographic information data
geographical condition census data
geographical condition monitoring change data
ground observation data
survey and investigation data
statistics data
and public source geospatial data. GCBD involves five Vs
namely
volume
variety
velocity
veracity
and value
and exhibits the characteristics of regionality
objectivity
and dynamicity. A research framework of GCBD in the cloud computing environment is then presented. A deep transformation of "geographical data
geographical information
and geographical conditions" must be achieved through the establishment of a"space–aviation–ground" integrated monitoring network
a big data warehouse and cloud computing center
and a big data service environment to provide active
intelligent
integrated
and specialized service for the public
enterprises
and governments. Finally
building a cloud platform of GCBD is discussed from the perspectives of data storage
processing
mining
and application service. The cloud platform can fulfill the requirements of GCM in rapid data processing
data mining
intelligent service
and public application. The establishment of the GCBD framework can significantly change the service mode of GCM and promote its wide application and industrialized development.
关键词
地理国情监测大数据地理国情大数据云计算
Keywords
geographical conditions monitoringbig datageographical conditions and big datacloud computing