Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/9203
AuthorsTeatini, Pietro 
Strozzi, Tazio 
Tosi, Luigi 
Wegmüller, Urs 
Werner, Charles 
Carbognin, Laura 
Rosselli, Roberto 
Cecconi, Giovanni 
Giada, Marco 
TitleERS AND ENVISAT SAR INTERFEROMETRY TO MEASURE LAND SUBSIDENCE IN THE VENICE LAGOON ON NATURAL AND ARTIFICIAL POINT TARGETS
Issue Date23-Apr-2007
PublisherESA Communication Production Office ESTEC, Noordwijk, The Netherlands
URIhttp://hdl.handle.net/2122/9203
KeywordsERS SAR
ENVISAT ASAR
Interferometric analysis
SAR-based analyses
Point Target Analysis
Venice
Subject Classification05. General::05.08. Risk::05.08.99. General or miscellaneous 
AbstractThe Venice Lagoon, Italy, is a unique worldwide environment which is presently vulnerable due to loss in surface elevation as a result of land subsidence referred to the mean sea level. Land displacements in the Venice coastland have been determined over time by traditional monitoring techniques (i.e., spirit leveling and GPS). Recently, SAR-based analyses have been used to complement the ground-based methods. Interferometric analysis on persistent point targets has been proved to be very effective in detecting land displacement in the coastal environment. ERS SAR and ENVISAT ASAR images spanning the time period 1992-2005 and 2003- 2006, respectively, have been processed at regional and local scale and on “natural” as well as “artificial” reflectors.
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