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Thanks to the coordinated infrastructure composed by a distributed collection of different resources, sensor webs currently represent a very effective solution to earth observation. These global entities are able to coordinate networks of heterogeneous sensing platform, such as spacecrafts, airborne instruments, or ground-based devices. In the framework of technologies operating at local level, wireless sensor networks (WSNs) are characterized by small, low-cost, and autonomous devices that collect data about physical quantities in a distribute and pervasive fashion. This paper is aimed at reviewing some innovative implementations of WSNs for earth observation purposes.
Selected Topics in Applied Earth Observations and Remote Sensing, IEEE Journal of (Volume:3 , Issue: 4 )
Date of Publication: Dec. 2010