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An Observation Task Chain Representation Model for Disaster Process-Oriented Remote Sensing Satellite Sensor Planning: A Flood Water Monitoring Application

Faculty of Information Engineering, China University of Geosciences (Wuhan), Wuhan 430074, China
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Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Remote Sens. 2018, 10(3), 375; https://doi.org/10.3390/rs10030375
Received: 8 February 2018 / Revised: 8 February 2018 / Accepted: 26 February 2018 / Published: 1 March 2018
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Abstract

An accurate and comprehensive representation of an observation task is a prerequisite in disaster monitoring to achieve reliable sensor observation planning. However, the extant disaster event or task information models do not fully satisfy the observation requirements for the accurate and efficient planning of remote-sensing satellite sensors. By considering the modeling requirements for a disaster observation task, we propose an observation task chain (OTChain) representation model that includes four basic OTChain segments and eight-tuple observation task metadata description structures. A prototype system, namely OTChainManager, is implemented to provide functions for modeling, managing, querying, and visualizing observation tasks. In the case of flood water monitoring, we use a flood remote-sensing satellite sensor observation task for the experiment. The results show that the proposed OTChain representation model can be used in modeling process-owned flood disaster observation tasks. By querying and visualizing the flood observation task instances in the Jinsha River Basin, the proposed model can effectively express observation task processes, represent personalized observation constraints, and plan global remote-sensing satellite sensor observations. Compared with typical observation task information models or engines, the proposed OTChain representation model satisfies the information demands of the OTChain and its processes as well as impels the development of a long time-series sensor observation scheme. View Full-Text
Keywords: sensor web; observation task; representation model; remote-sensing sensor planning; disaster monitoring; flood sensor web; observation task; representation model; remote-sensing sensor planning; disaster monitoring; flood
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Yang, C.; Luo, J.; Hu, C.; Tian, L.; Li, J.; Wang, K. An Observation Task Chain Representation Model for Disaster Process-Oriented Remote Sensing Satellite Sensor Planning: A Flood Water Monitoring Application. Remote Sens. 2018, 10, 375.

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