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The application of satellite differential SAR interferometry-derived ground displacements in hydrogeology

Galloway, Devin L. and Hoffmann, Jörn (2006) The application of satellite differential SAR interferometry-derived ground displacements in hydrogeology. Hydrogeology Journal. Springer Verlag. DOI: 10.1007/s10040-006-0121-5.

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Official URL: http://www.springerlink.com/content/x510897h34566174/

Abstract

The application of satellite differential synthetic aperture radar (SAR) interferometry, principally coherent (InSAR) and to a lesser extent, persistent-scatterer (PSI) techniques to hydrogeologic studies has improved capabilities to map, monitor, analyze, and simulate groundwater flow, aquifer-system compaction and land subsidence. A number of investigations over the previous decade show how the spatially detailed images of ground displacements measured with InSAR have advanced hydrogeologic understanding, especially when a time series of images is used in conjunction with histories of changes in water levels and management practices. Important advances include: (1) identifying structural or lithostratigraphic boundaries (e.g. faults or transitional facies) of groundwater flow and deformation; (2) defining the material and hydraulic heterogeneity of deforming aquifer-systems; (3) estimating system properties (e.g. storage coefficients and hydraulic conductivities); and (4) constraining numerical models of groundwater flow, aquifer-system compaction, and land subsidence. As a component of an integrated approach to hydrogeologic monitoring and characterization of unconsolidated alluvial groundwater basins differential SAR interferometry contributes unique information that can facilitate improved management of groundwater resources.

Document Type:Article
Title:The application of satellite differential SAR interferometry-derived ground displacements in hydrogeology
Authors:
AuthorsInstitution or Email of Authors
Galloway, Devin L.United States Geological Survey
Hoffmann, JörnUNSPECIFIED
Date:30 November 2006
Journal or Publication Title:Hydrogeology Journal
DOI:10.1007/s10040-006-0121-5
Publisher:Springer Verlag
Status:Published
Keywords:Remote sensing, Subsidence, Aquifer-system compaction, Groundwater flow, InSAR
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Vorhaben Prozesse der Landoberfläche (old)
Location: Oberpfaffenhofen
Institutes and Institutions:German Remote Sensing Data Center > Environment and Security > Environment and Geoinformation
Deposited By: Dr. Jörn Hoffmann
Deposited On:07 Dec 2006
Last Modified:12 Dec 2013 20:22

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