Key Technologies and Applications of Satellite and Sensor Web-coupled Real-time Dynamic Web Geographic Information System

doi:10.11947/j.AGCS.2017.20170311

Abstract

Abstract: The geo-spatial information service has failed to reflect the live status of spot and meet the needs of integrated monitoring and real-time information for a long time. To tackle the problems in observation sharing and integrated management of space-borne, air-borne, and ground-based platforms and efficient service of spatio-temporal information, an observation sharing model was proposed. The key technologies in real-time dynamic geographical information system (GIS) including maximum spatio-temporal coverage-based optimal layout of earth-observation sensor Web, task-driven and feedback-based control, real-time access of streaming observations, dynamic simulation, warning and decision support were detailed. An real-time dynamic Web geographical information system (WebGIS) named GeoSensor and its applications in sensing and management of spatio-temporal information of Yangtze River basin including navigation, flood prevention, and power generation were also introduced.

Key words: satellite and sensor Web coupling, real time, dynamic, Web geographical information system (WebGIS), smart sensing, sharing and service

CLC Number:

P208

CHEN Nengcheng, XIAO Changjiang, LI Liangxiong. Key Technologies and Applications of Satellite and Sensor Web-coupled Real-time Dynamic Web Geographic Information System[J]. Acta Geodaetica et Cartographica Sinica, 2017, 46(10): 1698-1704.

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