Earth Observation And Network Of In Situ
Ground Sensors For Disaster Management And
Early Warning
Author(s)
V. Ferrara
Abstract
Early warning and disaster management needs to acquire data for implementing
intervention plans. Satellite and airborne remote sensing allows for Earth
observation in an integral way. Furthermore, networks of sensors at ground level
are used frequently both for calibrating remote sensing and for acquiring
physical quantities directly in situ on the ground. Two services must be
considered: communication and detection. Their weight is different in the two
situations of early warning and emergency. The satellite link allows the most
remote and least accessible areas to be reached. When the communication
infrastructure at ground level is destroyed, the satellite link preserves continuity.
In any case, an alternative sensors network on the ground could be designed. It
must not rely on a traditional communications infrastructure and network
electricity supply. This leads to a device design based on energy scavenging.
Consequently, each network node should be realized by meeting the design
specifications of low consumption and low voltage supply. This goal can be
The article aims: to list the characteristics of main remote sensing; to highlight
problems of communication and electrical energy in remote areas of control; to
present cluster architecture of nodes network that are energetically self sufficient.
Keywords: remote sensing, WSN, low power, low voltage, ZigBee.
Keywords
remote sensing, WSN, low power, low voltage, ZigBee
Related Book
Other papers in this volume
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