Author Ptak, Thomas

• 2006 | Journal Article
  ​ ​Probabilistic study of well capture zones distribution at the Lauswiesen field site​
  Riva, M.; Guadagnini, L.; Guadagnini, A.; Ptak, T. & Martac, E.​ (2006) 
  Journal of Contaminant Hydrology, 88(1-2) pp. 92​-118​.​ DOI: https://doi.org/10.1016/j.jconhyd.2006.06.005 
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• 2007 | Journal Article
  ​ ​Type curve interpretation of late-time pumping test data in randomly heterogeneous aquifers​
  Neuman, S. P.; Blattstein, A.; Riva, M.; Tartakovsky, D. M.; Guadagnini, A. & Ptak, T.​ (2007) 
  Water Resources Research, 43(10) art. W10421​.​ DOI: https://doi.org/10.1029/2007WR005871 
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• 2008 | Journal Article | 
  ​ ​A comparison of mass flow rate estimates based on point scale and integral measurements​
  Herold, M.; Ptak, T. & Grathwohl, P.​ (2008) 
  Grundwasser, 13(4) pp. 231​-240​.​ DOI: https://doi.org/10.1007/s00767-008-0088-3 
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• 2008 | Journal Article | 
  ​ ​Integral quantification of contaminant mass flux in groundwater - conditioning of the numerical inversion of concentration-time series of integral pumping tests​
  Herold, M.; Ptak, T.; Wendel, T. & Grathwohl, P.​ (2008) 
  Grundwasser, 13(1) pp. 4​-14​.​ DOI: https://doi.org/10.1007/s00767-007-0057-2 
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• 2008 | Journal Article
  ​ ​Relative importance of geostatistical and transport models in describing heavily tailed breakthrough curves at the Lauswiesen site​
  Riva, M.; Guadagnini, A.; Fernandez-Garcia, D.; Sanchez-Vila, X. & Ptak, T.​ (2008) 
  Journal of Contaminant Hydrology, 101(1-4) pp. 1​-13​.​ DOI: https://doi.org/10.1016/j.jconhyd.2008.07.004 
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• 2009 | Journal Article
  ​ ​Integral quantification of contaminant mass flow rates in a contaminated aquifer: Conditioning of the numerical inversion of concentration-time series​
  Herold, M. ; Ptak, T.; Bayer-Raich, M.; Wendel, T. & Grathwohl, P.​ (2009) 
  Journal of Contaminant Hydrology, 106(1-2) pp. 29​-38​.​ DOI: https://doi.org/10.1016/j.jconhyd.2008.12.006 
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• 2010 | Journal Article
  ​ ​Cross-well slug interference tests: An effective characterization method for resolving aquifer heterogeneity​
  Brauchler, R. ; Hu, R.; Vogt, T.; Al-Halbouni, D.; Heinrich, S.; Ptak, T. & Sauter, M.​ (2010) 
  Journal of Hydrology, 384(1-2) pp. 33​-45​.​ DOI: https://doi.org/10.1016/j.jhydrol.2010.01.004 
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• 2011 | Journal Article
  ​ ​Modelling of an enhanced PAH attenuation experiment and associated biogeochemical changes at a former gasworks site in southern Germany​
  Herold, M.; Greskowiak, J. ; Ptak, T. & Prommer, H.​ (2011) 
  Journal of Contaminant Hydrology, 119(1-4) pp. 99​-112​.​ DOI: https://doi.org/10.1016/j.jconhyd.2010.09.012 
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• 2012 | Journal Article
  ​ ​Investigation of hydraulic parameters in unconsolidated sediments: a comparison of methods​
  Brauchler, R. ; Hu, R.; Hu, L. & Ptak, T.​ (2012) 
  Grundwasser, 17(2) pp. 57​-67​.​ DOI: https://doi.org/10.1007/s00767-011-0185-6 
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• 2013 | Journal Article
  ​ ​Hydrogeological analysis of the upper Dupi Tila Aquifer, towards the implementation of a managed aquifer-recharge project in Dhaka City, Bangladesh​
  Rahman, M. A.; Wiegand, B. A.; Badruzzaman, A. B. M. & Ptak, T.​ (2013) 
  Hydrogeology Journal, 21(5) pp. 1071​-1089​.​ DOI: https://doi.org/10.1007/s10040-013-0978-z 
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• 2013 | Journal Article
  ​ ​Rapid field application of hydraulic tomography for resolving aquifer heterogeneity in unconsolidated sediments​
  Brauchler, R.; Hu, R.; Hu, L.; Jimenez, S.; Bayer, P.; Dietrich, P. & Ptak, T.​ (2013) 
  Water Resources Research, 49(4) pp. 2013​-2024​.​ DOI: https://doi.org/10.1002/wrcr.20181 
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• 2013 | Journal Article
  ​ ​Modelling the effects of tides and storm surges on coastal aquifers using a coupled surface-subsurface approach​
  Yang, J.; Graf, T.; Herold, M. & Ptak, T.​ (2013) 
  Journal of Contaminant Hydrology, 149 pp. 61​-75​.​ DOI: https://doi.org/10.1016/j.jconhyd.2013.03.002 
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• 2015 | Journal Article
  ​ ​Sea level rise and storm surge effects in a coastal heterogeneous aquifer: a 2D modelling study in northern Germany​
  Yang, J.; Graf, T. & Ptak, T.​ (2015) 
  Grundwasser, 20(1) pp. 39​-51​.​ DOI: https://doi.org/10.1007/s00767-014-0279-z 
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• 2015 | Journal Article
  ​ ​Prediction of solute transport in a heterogeneous aquifer utilizing hydraulic conductivity and specific storage tomograms​
  Jimenez, S.; Brauchler, R.; Hu, R.; Hu, L.; Schmidt, S.; Ptak, T. & Bayer, P.​ (2015) 
  Water Resources Research, 51(7) pp. 5504​-5520​.​ DOI: https://doi.org/10.1002/2014WR016402 
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• 2016 | Journal Article
  ​ ​Groundwater vulnerability assessment for the karst aquifer of Tanour and Rasoun springs catchment area (NW-Jordan) using COP and EPIK intrinsic methods​
  Hamdan, I.; Margane, A.; Ptak, T.; Wiegand, B. A. & Sauter, M.​ (2016) 
  ENVIRONMENTAL EARTH SCIENCES, 75(23) art. 1474​.​ DOI: https://doi.org/10.1007/s12665-016-6281-2 
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• 2019 | Journal Article | 
  ​ ​A Numerical Study on Travel Time Based Hydraulic Tomography Using the SIRT Algorithm with Cimmino Iteration​
  Qiu, P.; Hu, R.; Hu, L.; Liu, Q.; Xing, Y.; Yang, H. & Qi, J. et al.​ (2019) 
  Water, 11(5) art. 909​.​ DOI: https://doi.org/10.3390/w11050909 
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• 2022 | Journal Article
  ​ ​Investigation of hydraulic properties in fractured aquifers using cross-well travel-time based thermal tracer tomography: Numerical and field experiments​
  Liu, Q.; Hu, R.; Hu, L.; Xing, Y.; Qiu, P.; Yang, H. & Fischer, S. et al.​ (2022) 
  Journal of Hydrology, 609 art. S0022169422003262​.​ DOI: https://doi.org/10.1016/j.jhydrol.2022.127751 
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• 2022 | Journal Article
  ​ ​A general numerical model for water level response to harmonic disturbances in aquifers considering wellbore effects​
  Xing, Y.; Liu, Q.; Hu, R.; Gu, H.; Taherdangkoo, R.; Yang, H. & Ptak, T.​ (2022) 
  Journal of Hydrology, 609 art. S0022169422002530​.​ DOI: https://doi.org/10.1016/j.jhydrol.2022.127678 
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• 2022 | Journal Article
  ​ ​Groundwater flow patterns in a coastal fen exposed to drainage, rewetting and interaction with the Baltic Sea​
  Toro, M.; Ptak, T.; Massmann, G.; Sültenfuß, J. & Janssen, M.​ (2022) 
  Journal of Hydrology, 615 art. 128726​.​ DOI: https://doi.org/10.1016/j.jhydrol.2022.128726 
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• 2023 | Journal Article
  ​ ​Influence of site characteristics on the performance of shallow borehole heat exchanger arrays: A sensitivity analysis​
  Liu, Q.; Weiland, F.; Pärisch, P.; Kracht, N.; Huang, M. & Ptak, T.​ (2023) 
  Geothermics, 114 art. 102785​.​ DOI: https://doi.org/10.1016/j.geothermics.2023.102785 
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