The ISES Project subsidence monitoring of the catchment basin south of the Venice Lagoon (Italy)

Tosi , Luigi and Carbognin, Laura and Teatini, Pietro and Rosselli, Roberto and Gasparetto Stori, Giuseppe (2000) The ISES Project subsidence monitoring of the catchment basin south of the Venice Lagoon (Italy). In: Land subsidence : proceedings of the Sixth international symposium on Land subsidence, Ravenna, Italia, 24-29 settembre 2000. C.N.R., Gruppo nazionale per la difesa dalle catastrofi idrogeologiche, Perugia, pp. 113-126. ISBN 88-87222-06-1

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The catchment located south of the Venice Lagoon experienced during the last century a general land settlement owing to groundwater pumping, oxidation of organically rich soils enhanced by agricultural activities, and natural sediment compaction. High land subsidence rates (2-4 cm/year) have been estimated in the area comprised between the lagoon edge and the Adige River and located between two leveling lines of the Italian national network (IGM lines n 7 and n 19). Only a partial knowledge on the behavior of land elevation is available in this region. To overcome this lack of information, a new fine leveling and GPS network has been established in the area within the ISES Project funded by National/Local water and administrative Authorities. The first field measurement carried out in 1999 have produced as a major result an accurate knowledge of the geoid height in this part of the Po River plain and has pointed out the stability of the area located along the lagoon boundaries during the six-year period from 1993 to now.

Item Type: Book Section
Uncontrolled Keywords: Leveling, GPS, southern Venetian catchment, land subsidence
Subjects: 500 Scienze naturali e Matematica > 550 Scienze della Terra
Depositing User: Dr Luigi Tosi
Date Deposited: 12 Sep 2014 08:00
Last Modified: 12 Sep 2014 08:00

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