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TitleApplicability of temperature profile techniques for estimating recharge fluxes through the vadose zone
AuthorGosselin, J -S; Rivard, C; Paniconi, C; Martel, R
SourceProceedings papers, GeoHydro2011/Actes de conférence, GeoHydro2011; GeoHydro Proceedings Papers 2011, 2011 p. 1-7
Year2011
Alt SeriesEarth Sciences Sector, Contribution Series 20110418
MeetingGeoHydro2011, Congrès conjoint de la CANQUA et de l'AIH-CNC; Québec; CA; August 28-31, 2011
Documentbook
Lang.English
Mediaon-line; digital
File formatpdf
Subjectshydrogeology; groundwater; groundwater resources; groundwater discharge; recharge rates; aquifers; vadose zones; modelling; models
Illustrationsgraphs
ProgramAquifer Assessment & support to mapping, Groundwater Geoscience
AbstractAquifer recharge is difficult to evaluate, and the use of multiple methods is recommended. Heat can easily and cheaply be measured in soils and could represent a valuable tool for recharge estimation. In this paper, the applicability of temperature profile techniques for estimating diffuse recharge fluxes in the vadose zone was investigated using a simple numerical model. The results suggest that the thermal signal resulting from diffuse recharge is small and difficult to distinguish from other heat sources, and that analytical approaches are probably not well suited for diffuse recharge estimation from temperature measurements in most cases.
GEOSCAN ID290183