The Satellite Positioning Evolution In
Coastal Processes
Author(s)
A. Angrisano, S. Gaglione, C. Gioia & M. Vultaggio
Abstract
In order to guarantee future generations, a fair and consistent level of
environmental quality is necessary to ensure sustainable development of coastal
resources.
Adopting a static mode approach towards sea-level rise conflicts with
sustaining a dynamic coastal system that responds to perturbations via sediment
movement and long-term evolution. In the monitoring of this long-term
evolution ancient technologies has played a very important role. Among these,
satellite positioning is becoming more and more relevant.
This paper presents a brief survey of the evolution of GNSS (Global
Navigation Satellite Systems) application in coastal process. The Global Position
System (NAVSTAR GPS) is the best known of these satellite navigation
systems. Global Navigation Satellite System (GNSS) is the standard generic term
for satellite navigation systems that provide autonomous geo-spatial positioning
with global coverage. A GNSS allows small electronic receivers to determine
their location (longitude, latitude, and height) to within a few metres using the
signals as transmitted by the GNSS satellites. In the same process the receivers
also calculate the precise time of the signal reception and as such GNSS
receivers can be used as highly accurate clocks.
Currently, the United States NAVSTAR Global Positioning System (GPS) is
the only fully operational GNSS. The Russian GLONASS is a GNSS in the
process of being restored to full operation. The European Union’s Galileo
positioning system is a next generation GNSS in the initial deployment phase.
China has indicated it may expand its regional Beidou (also called COMPASS)
navigation system into a global system. India’s IRNSS, is also a next generation
GNSS. However, its status and future is unclear as India seems to have entered
into close cooperation with the Russians on the GLONASS system. Satellite
Positioning, for this reason, is very popular and its accuracy can support a large
Keywords
GNSS, augmentation
Related Book
Other papers in this volume
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