Remote Sensing Applications and Decision Support

New geo-portal for MODIS/SEVIRI image products with geolocation-based retrieval functionality

[+] Author Affiliations
Jorge Sevilla, Antonio Plaza

University of Extremadura, Department of Technology of Computers and Communications, Escuela Politécnica, Hyperspectral Computing Laboratory, Avda. de la Universidad s/n, Cáceres 10003, Spain

Yves Julien, Guillem Sória, José A. Sobrino

University of Valencia, Global Change Unit, Imaging Processing Laboratory, C/ Catedrático Agustín Escardino No. 9, Paterna 46980, Spain

J. Appl. Remote Sens. 9(1), 096079 (Feb 24, 2015). doi:10.1117/1.JRS.9.096079
History: Received November 14, 2014; Accepted January 27, 2015
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Abstract.  A large number of remote sensing data sets have been collected in recent years by Earth observation instruments such as the moderate resolution imaging spectroradiometer (MODIS) aboard the Terra/Aqua satellite and the spinning enhanced visible and infrared imager (SEVIRI) aboard the geostationary platform Meteosat Second Generation. The advanced remote sensing products resulting from the analysis of these data are useful in a wide variety of applications but require significant resources in terms of storage, retrieval, and analysis. Despite the wide availability of these MODIS/SEVIRI products, the data coming from these instruments are spread among different locations and retrieved from different sources, and there is no common data repository from which the data or the associated products can be retrieved. We take a first step toward the development of a geo-portal for storing and efficiently retrieving MODIS/SEVIRI remote sensing products. The products are obtained using an automatic system that processes the data as soon as they are provided by the collecting antennas, and then the final products are uploaded with a one day delay in the geo-portal. Our focus in this work is on describing the design and efficient implementation of the geo-portal, which allows for a user-friendly and effective access to a full repository of MODIS/SEVIRI advanced products (comprising tens of terabytes of data) using geolocation retrieval capabilities. The geo-portal has been implemented as a web application composed of different layers. Its modular design provides quality of service and scalability (capacity for growth without any quality losing), allowing for the addition of components without the need to modify the entire system. On the client layer, an intuitive web browser interface provides users with remote access to the system. On the server layer, the system provides advanced data management and storage capabilities. On the storage layer, the system provides a secure massive storage service. An experimental evaluation of the geo-portal in terms of efficiency and product retrieval accuracy is also presented and discussed.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Jorge Sevilla ; Yves Julien ; Guillem Sória ; José A. Sobrino and Antonio Plaza
"New geo-portal for MODIS/SEVIRI image products with geolocation-based retrieval functionality", J. Appl. Remote Sens. 9(1), 096079 (Feb 24, 2015). ; http://dx.doi.org/10.1117/1.JRS.9.096079


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