Publications received by the Editor |
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| Authors: | Alexander Vandenbohede Luc Lebbe |
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| Institution: | 1. Department of Geology and Soil Science , Groundwater Modelling Research Unit, Ghent University , Krijgslaan 281 (S8), B-9000, Gent, Belgium alexander.vandenbohede@ugent.be;3. Department of Geology and Soil Science , Groundwater Modelling Research Unit, Ghent University , Krijgslaan 281 (S8), B-9000, Gent, Belgium |
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| Abstract: | Abstract Temperature profiles (temperature as function of depth) can be used to derive vertical flow velocities or recharge rates. In many cases, solutions to the one-dimensional (1-D) heat transport equation are used, considering steady-state boundary conditions. Factors which can influence the derivation of the mean vertical flow velocity are studied here. Therefore, an explicit finite-difference approximation to the 1-D heat transport equation coupled with an inverse scheme was used to interpret temperature profiles. Measurement error (larger than 0.05°C) can result in important deviation of the derived mean flow velocity. Variation of vertical flow velocity as a function of time leads to asymmetric temperature envelopes. Yearly variation in vertical flow velocities, or temperature variations of the recharge water, also results in asymmetric temperature envelopes. Interpretation of these asymmetric envelopes leads to important differences between derived and actual mean vertical flow velocities. Citation Vandenbohede, A. &; Lebbe, L. (2010) Vandenbohede, A. and Lebbe, L. 2010. Parameter estimation based on vertical heat transport in the surficial zone. Hydrogeol. J., 18 , 931–943,doi:10.1007/s10040-009–0557–5 Google Scholar] Recharge assessment by means of vertical temperature profiles: analysis of possible influences. Hydrol. Sci. J. 55(5), 792–804. |
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| Keywords: | heat transport surficial zone temperature profiles recharge assessment |
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