NDLI: Land subsidence in Mexico City mapped by ERS differential SAR interferometry

Content Provider	IEEE Xplore Digital Library
Author	Strozzi, T. Wegmuller, U.
Copyright Year	1999
Description	Author affiliation: Gamma Remote Sensing, Muri, Switzerland (Strozzi, T.)
Abstract	Land subsidence is a severe problem in Mexico City. The city is built on highly compressible clays and by reason of strong groundwater extraction a total subsidence of more than nine meters has been observed over the last century. ERS differential SAR interferometry was used to map the subsidence of Mexico City between December 1995 and September 1997. For some areas subsidence velocities of more than 30 cm per year with strong spatial gradients of the vertical movements were identified. This remote sensing technique, unique for spatial coverage and resolution, can give significant information for a rational management of the aquifer system, for the planning of new structures and for actions to preserve damaged buildings.
Starting Page	1940
Ending Page	1942
File Size	315967
Page Count	3
File Format	PDF
ISBN	0780352076
DOI	10.1109/IGARSS.1999.774993
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1999-06-28
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Cities and towns Interferometry Phase estimation Remote sensing Remote monitoring Surfaces Layout Spatial resolution Buildings Airports
Content Type	Text
Resource Type	Article

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Land subsidence in Mexico City mapped by ERS differential SAR interferometry