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Current uses of ground penetrating radar in groundwater-dependent ecosystems research

dc.contributor.authorPaz C.
dc.contributor.authorAlcalá F.J.
dc.contributor.authorCarvalho J.M.
dc.contributor.authorRibeiro L.
dc.date.accessioned2020-09-02T22:25:49Z
dc.date.available2020-09-02T22:25:49Z
dc.date.issued2017
dc.identifier10.1016/j.scitotenv.2017.03.210
dc.identifier.citation595, , 868-885
dc.identifier.issn00489697
dc.identifier.urihttps://hdl.handle.net/20.500.12728/5793
dc.descriptionGround penetrating radar (GPR) is a high-resolution technique widely used in shallow groundwater prospecting. This makes GPR ideal to characterize the hydrogeological functioning of groundwater-dependent ecosystems (GDE). This paper reviews current uses of GPR in GDE research through the construction of a database comprising 91 worldwide GPR case studies selected from the literature and classified according to (1) geological environments favouring GDE; (2) hydrogeological research interests; and (3) field technical and (4) hydrogeological conditions of the survey. The database analysis showed that inland alluvial, colluvial, and glacial formations were the most widely covered geological environments. Water-table depth was the most repeated research interest. By contrast, weathered-marl and crystalline-rock environments as well as the delineation of salinity interfaces in coastal and inland areas were less studied. Despite that shallow groundwater propitiated GDE in almost all the GPR case studies compiled, only one case expressly addressed GDE research. Common ranges of prospecting depth, water-table depth, and volumetric water content deduced by GPR and other techniques were identified. Antenna frequency of 100 MHz and the common offset acquisition technique predominated in the database. Most of GPR case studies were in 30–50° N temperate latitudes, mainly in Europe and North America. Eight original radargrams were selected from several GPR profiles performed in 2014 and 2015 to document database classes and identified gaps, as well as to define experimental ranges of operability in GDE environments. The results contribute to the design of proper GPR surveys in GDE research. © 2017 Elsevier B.V.
dc.language.isoen
dc.publisherElsevier B.V.
dc.subjectGround penetrating radar
dc.subjectGroundwater-dependent ecosystems
dc.subjectHydrogeology
dc.subjectCrystalline rocks
dc.subjectDatabase systems
dc.subjectEcology
dc.subjectEcosystems
dc.subjectFertilizers
dc.subjectGeological surveys
dc.subjectGeology
dc.subjectGroundwater
dc.subjectHydrogeology
dc.subjectRadar
dc.subjectSurveys
dc.subjectGeological environment
dc.subjectGround Penetrating Radar
dc.subjectGround penetrating radar (GPR)
dc.subjectGroundwater dependent ecosystems
dc.subjectHigh-resolution techniques
dc.subjectHydrogeological conditions
dc.subjectHydrogeological research
dc.subjectVolumetric water content
dc.subjectGround penetrating radar systems
dc.subjectground water
dc.subjectground penetrating radar
dc.subjectgroundwater
dc.subjecthydrogeology
dc.subjectshallow water
dc.subjectwater content
dc.subjectwater depth
dc.subjectwater table
dc.subjectaquatic environment
dc.subjectdata processing
dc.subjectenvironmental monitoring
dc.subjectgeographic distribution
dc.subjectglacier
dc.subjectground penetrating radar
dc.subjectgroundwater dependent ecosystem
dc.subjecthydrography
dc.subjectlatitude
dc.subjectradiofrequency
dc.subjectremote sensing
dc.subjectReview
dc.subjectrock
dc.subjectsalinity
dc.subjectseashore
dc.subjectwater content
dc.subjectwater table
dc.subjectEurope
dc.subjectNorth America
dc.titleCurrent uses of ground penetrating radar in groundwater-dependent ecosystems research
dc.typeReview


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