Please join us on the 26th of November for a practice session for this years Contemporary Topics. Today at 4 in the PG Lounge, where Marcello Passaro will present:
The new challenges of Coastal Altimetry: a 20-year-old database still unknown
Satellite radar altimetry has been providing accurate sea surface height global maps since twenty years. Up to now, data in the last 50 Km strip from the coast have been disregarded due to land interference and high complexity of coastal dynamics.
Coastal altimetry is the next frontier for a large research community who will soon benefit from a dataset that represents an extremely valuable resource for applications such as sea level measurements, circulation studies and observations of storm surges. Upcoming satellite missions will enhance the potential of coastal altimetry in the near future, but it is important to reprocess the already existing 20 years of observations, which already set up a considerable window on seasonal, annual and interannual time scales. To do so, waveforms have to be retracked and some geophysical corrections applied in standard processing need to be reconsidered.
This talk resumes the main steps that are needed to transform a signal acquired in coastal ocean into a valuable measurement. I will present the current state of the art, highlighting deficiencies and further steps to be taken in the development of the prototypes.