%0 Journal Article
%T Multi-Temporal Analysis of Land  Subsidence in Toluca Valley (Mexico) through a Combination of Persistent  Scatterer Interferometry (PSI) and  Historical Piezometric Data
%A Norma Davila-Hernandez
%A Delfino Madrigal
%A Jose Luis Exposito
%A Xanat Antonio
%J Advances in Remote Sensing
%P 49-60
%@ 2169-2688
%D 2014
%I Scientific Research Publishing
%R 10.4236/ars.2014.32005
%X <p class=\"MsoNormal\">
	<span lang=\"EN-US\" style=\"line-height:2;font-size:12px;font-family:Verdana;\">The Toluca Valley Aquifer (TVA) is
considered one of the most overexploited aquifers in Mexico because of the high
rate of groundwater extraction for supplying urban and industrial water to
Mexico City and Toluca City, which causes land subsidence in urban and suburban
areas. In this paper, we propose a multi-temporal analysis that uses persistent
scatterer interferometry (PSI) method to evaluate the subsidence processes in
Toluca Valley. The PSI results revealed differential movements of the ground of
as much as 83 mm/year. A spatial variation of PSI results was identified with
respect to previous studies using the conventional Din SAR methodology. The spatial
distribution and density suggested the possibility of an expanding trend of
subsidence process at north, northeast and east of the TVA, which corresponds
to the region with the highest density of pumping wells for industrial and
agricultural use.</span>
</p>
%K Subsidence of Lands
%K Toluca Valley Aquifer
%K Persistent Scatterer Interferometry
%U http://www.scirp.org/journal/PaperInformation.aspx?PaperID=46684