Coastal Monitoring With High Resolution
Synthetic Aperture Radar
Author(s)
P. Trivero, W. Biamino, M. Borasi & M. Cavagnero
Abstract
Coastal areas are dynamic zones affected by natural change and human use:
they contain rich resources to produce goods and services and are home to
most commercial and industrial activities, as well as fragile and valuable
ecosystems.
A continuous monitoring activity is essential to prevent environmental threats
that can be very dangerous for such a sensitive ecosystem. Satellite-borne
sensors are valuable tools for this purpose, particularly the Synthetic Aperture
Radar (SAR), which is able to operate by day and night in any weather
conditions. In the past, the limited revisit time was the main drawback of SARs,
because of the small number of operating sensors. In the past year several new
satellites have been launched, with acquisition modes characterised by large
swaths; now a daily revisit is possible for high and mid-latitude areas included
between the tropic and the Arctic Circle. Moreover, spatial resolutions available
from new sensors are so high (up to 1 meter per pixel) that it is now possible to
observe details in close proximity of coastal zones.
We present a monitoring system under development, based on multi-sensor
SAR from which we extract marine features such as high resolution wind and
wave fields and sea surface pollution. Methodologies and operational exempla
are described.
The system is primarily designed for monitoring activities at regional and
local scales. Focusing on a particular area, it is possible to gather and integrate
all available data for a comprehensive observation and management of both
routine and emergency events.
Keywords: sea surface slicks, coastal wind, SAR remote sensing.
Keywords
sea surface slicks, coastal wind, SAR remote sensing
Related Book
Other papers in this volume
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