Purtschert, Roland

Musy, Stephanie; Hinsby, Klaus; Troldborg, Lars; Delottier, Hugo; Guillon, Sophie; Brunner, Philip; Purtschert, Roland (2023). Evaluating the impact of muon-induced cosmogenic 39Ar and 37Ar underground production on groundwater dating with field observations and numerical modeling. The Science of the total environment, 903, p. 166588. Elsevier 10.1016/j.scitotenv.2023.166588

Musy, Stephanie; Purtschert, Roland (2023). Reviewing 39Ar and 37Ar underground production in shallow depths with implications for groundwater dating. The Science of the total environment, 884, p. 163868. Elsevier 10.1016/j.scitotenv.2023.163868

Purtschert, R; Love, A J; Jiang, W; Lu, Z-T; Yang, G-M; Fulton, S; Wohling, D; Shand, P; Aeschbach-Hertig, W; Broder, L; Müller, P; Tosaki, Y (2023). Residence times of groundwater along a flow path in the Great Artesian Basin determined by 81Kr, 36Cl and 4He: Implications for palaeo hydrogeology. The Science of the total environment, 859(Pt 1), p. 159886. Elsevier 10.1016/j.scitotenv.2022.159886

Musy, S; Casolaro, P; Dellepiane, G; Berger, A; Braccini, S; Purtschert, R (2022). Quantification of 37Ar emanation fractions from irradiated natural rock samples and field applications. Journal of environmental radioactivity, 251-252, p. 106966. Elsevier 10.1016/j.jenvrad.2022.106966

Musy, Stéphanie; Meyzonnat, Guillaume; Barbecot, Florent; Hunkeler, Daniel; Sültenfuss, Jürgen; Solomon, D. Kip; Purtschert, Roland (2021). In-situ sampling for krypton-85 groundwater dating. Journal of hydrology X, 11, p. 100075. Elsevier 10.1016/j.hydroa.2021.100075

Popp, Andrea L.; Pardo‐Álvarez, Álvaro; Schilling, Oliver S.; Scheidegger, Andreas; Musy, Stéphanie; Peel, Morgan; Brunner, Philip; Purtschert, Roland; Hunkeler, Daniel; Kipfer, Rolf (2021). A framework for untangling transient groundwater mixing and travel times. Water resources research, 57(4) American Geophysical Union 10.1029/2020WR028362

Purtschert, R.; Yokochi, R.; Jiang, W.; Lu, Z.-T.; Mueller, P.; Zappala, J.; Van Heerden, E.; Cason, E.; Lau, M.; Kieft, T.L.; Gerber, C.; Brennwald, M.S.; Onstott, T.C. (2021). Underground production of 81Kr detected in subsurface fluids. Geochimica et cosmochimica acta, 295, pp. 65-79. Elsevier Science 10.1016/j.gca.2020.11.024

Kastlander, J.; Aldener, M.; Axelsson, A.; Fritioff, T.; Söderström, C.; Ringbom, A.; Purtschert, R. (2021). Measurement of radioxenon and radioargon in soil gas collected in the region of Kvarntorp, Sweden. Journal of environmental radioactivity, 226, p. 106458. Elsevier 10.1016/j.jenvrad.2020.106458

Markovich, Katherine H.; Condon, Laura E.; Carroll, Kenneth C.; Purtschert, Roland; McIntosh, Jennifer C. (2021). A Mountain-Front Recharge Component Characterization Approach Combining Groundwater Age Distributions, Noble Gas Thermometry, and Fluid and Energy Transport Modeling. Water resources research, 57(1) American Geophysical Union 10.1029/2020WR027743

Zappala, J. C.; Baggenstos, D.; Gerber, C.; Jiang, W.; Kennedy, B. M.; Lu, Z.-T.; Masarik, J.; Mueller, P.; Purtschert, R.; Visser, A. (2020). Atmospheric 81Kr as an integrator of cosmic-ray flux on the hundred-thousand-year timescale. Geophysical Research Letters, 47(3) American Geophysical Union 10.1029/2019GL086381

Jakobsen, Rasmus; Hinsby, Klaus; Aamand, Jens; van der Keur, Peter; Kidmose, Jacob; Purtschert, Roland; Jurgens, Bryant; Sültenfuss, Jürgen; Albers, Christian N. (2020). History and Sources of Co-Occurring Pesticides in an Abstraction Well Unraveled by Age Distributions of Depth-Specific Groundwater Samples. Environmental science & technology, 54(1), pp. 158-165. ACS Publications 10.1021/acs.est.9b03996

Affolter, Stéphane; Steinmann, Philipp; Aemisegger, Franziska; Purtschert, Roland; Leuenberger, Markus (2020). Origin and percolation times of Milandre Cave drip water determined by tritium time series and beryllium-7 data from Switzerland. Journal of environmental radioactivity, 222(5), p. 106346. Elsevier 10.1016/j.jenvrad.2020.106346

Calvache, M. L.; Sánchez‑Úbeda, J. P.; Purtschert, R.; López-Chicano, M.; Martín‑Montañés, C.; Sültenfuss, J.; Blanco-Coronas, A. M.; Duque, C. (2020). Characterization of the functioning of the Motril-Salobrena coastal aquifer (SE Spain) through the use of environmental tracers. Environmental Earth Science, 79(6) Springer 10.1007/s12665-020-8852-5

Ram, Roi; Burg, Avihu; Zappala, Jake C.; Yokochi, Reika; Yechieli, Yoseph; Purtschert, Roland; Jiang, Wei; Lu, Zheng-Tian; Mueller, Peter; Bernier, Ryan; Adar, Eilon M. (2020). Identifying recharge processes into a vast "fossil" aquifer based on dynamic groundwater 81Kr age evolution. Journal of hydrology, 587, p. 124946. Elsevier 10.1016/j.jhydrol.2020.124946

Kastlander, J.; Aldener, M.; Fritioff, T.; Raghoo, L.; Purtschert, R. (2019). Measurement of radioxenon and radioargon in air from soil with elevated uranium concentration. Journal of environmental radioactivity, 197, pp. 62-66. Elsevier 10.1016/j.jenvrad.2018.12.006

Yechieli, Yoseph; Yokochi, Reika; Zilberbrand, Michael; Lu, Zheng-Tian; Purtschert, Roland; Sueltenfuss, Jürgen; Jiang, Wei; Zappala, Jake; Mueller, Peter; Bernier, Ryan; Avrahamov, Naama; Adar, Eilon; Talhami, Firas; Livshitz, Yakov; Burg, Avihu (2019). Recent seawater intrusion into deep aquifer determined by the radioactive noble-gas isotopes 81Kr and 39Ar. Earth and planetary science letters, 507, pp. 21-29. Elsevier 10.1016/j.epsl.2018.11.028

Bollhöfer, Andreas; Schlosser, Clemens; Schmid, Sabine; Konrad, Martina; Purtschert, Roland; Krais, Roman (2019). Half a century of Krypton-85 activity concentration measured in air over Central Europe: Trends and relevance for dating young groundwater. Journal of environmental radioactivity, 205-206, pp. 7-16. Elsevier 10.1016/j.jenvrad.2019.04.014

Heidinger, Michael; Eichinger, Florian; Purtschert, Roland; Mueller, Peter; Zappala, Jake; Wirsing, Gunther; Geyer, Tobias; Fritzer, Thomas; Groß, Doris (2019). 81Kr/85Kr-Dating of thermal groundwaters in the Upper Jurassic (Molasse Basin). Grundwasser, 24(4), pp. 287-294. Springer 10.1007/s00767-019-00431-0

Yokochi, Reika; Ram, Roi; Zappala, Jake C.; Jiang, Wei; Adar, Eilon; Bernier, Ryan; Burg, Avihu; Dayan, Uri; Lu, Zheng-Tian; Mueller, Peter; Purtschert, Roland; Yechieli, Yoseph (2019). Radiokrypton unveils dual moisture sources of a deep desert aquifer. Proceedings of the National Academy of Sciences of the United States of America - PNAS, 116(33), pp. 16222-16227. National Academy of Sciences NAS 10.1073/pnas.1904260116

Underwood, S. C.; McCallum, J. L.; Cook, P. G.; Simmons, C. T.; Dogramaci, S.; Purtschert, R.; Siade, A. J.; Prommer, H. (2018). Physical and Chemical Controls on the Simultaneous Occurrence of Young and Old Groundwater Inferred From Multiple Age Tracers. Water resources research, 54(11), pp. 9514-9532. American Geophysical Union 10.1029/2018WR022800

Gerber, Christoph; Purtschert, Roland; Hunkeler, Daniel; Hug, Rainer; Sültenfuss, Jürgen (2018). Using environmental tracers to determine the relative importance of travel times in the unsaturated and saturated zones for the delay of nitrate reduction measures. Journal of hydrology, 561, pp. 250-266. Elsevier 10.1016/j.jhydrol.2018.03.043

Yokochi, Reika; Bernier, Ryan; Purtschert, Roland; Zappala, Jake C.; Yechieli, Yoseph; Adar, Eilon; Jiang, Wei; Lu, Zheng-Tian; Mueller, Peter; Olack, Gerard; Ram, Roi (2018). Field Degassing as a New Sampling Method for 14C Analyses in Old Groundwater. Radiocarbon, 60(01), pp. 349-366. Cambridge University Press 10.1017/RDC.2017.64

McCallum, James L.; Dogramaci, Shawan; Cook, Peter G.; Banks, Eddie; Purtschert, Roland; Irvine, Michelle; Simmons, Craig T.; Burk, Lawrence (2018). Stochastic correction of carbon-14 activities: A Bayesian approach with argon-39 validation. Journal of hydrology, 566, pp. 396-405. Elsevier 10.1016/j.jhydrol.2018.08.047

Avrahamov, Naama; Yechieli, Yoseph; Purtschert, Roland; Levy, Yehuda; Sültenfuß, Jürgen; Vergnaud, Virginie; Burg, Avihu (2018). Characterization of a carbonate karstic aquifer flow system using multiple radioactive noble gases (3H-3He, 85Kr, 39Ar) and 14C as environmental tracers. Geochimica et cosmochimica acta, 242, pp. 213-232. Elsevier Science 10.1016/j.gca.2018.09.009

Tessler, M.; Paul, M.; Halfon, S.; Meyer, B. S.; Pardo, R.; Purtschert, R.; Rehm, K. E.; Scott, R.; Weigand, M.; Weissman, L.; Almaraz-Calderon, S.; Avila, M. L.; Baggenstos, D.; Collon, P.; Hazenshprung, N.; Kashiv, Y.; Kijel, D.; Kreisel, A.; Reifarth, R.; Santiago-Gonzalez, D.; ... (2018). Stellar Ar 36 , 38 ( n , γ ) Ar 37 , 39 Reactions and Their Effect on Light Neutron-Rich Nuclide Synthesis. Physical review letters, 121(11) American Physical Society 10.1103/PhysRevLett.121.112701

Zappala, J.C.; Bailey, K.; Jiang, W.; Micklich, B.; Mueller, P.; O’Connor, T.P.; Purtschert, Roland (2017). Setting a limit on anthropogenic sources of atmospheric ⁸¹Kr through Atom Trap Trace Analysis. Chemical geology, 453, pp. 66-71. Elsevier 10.1016/j.chemgeo.2017.02.007

Zappala, J. C.; Bailey, K.; Mueller, P.; O'Connor, T. P.; Purtschert, Roland (2017). Rapid processing of ⁸⁵5 Kr/Kr ratios using Atom Trap Trace Analysis. Water resources research, 53(3), pp. 2553-2558. American Geophysical Union 10.1002/2016WR020082

Schilling, Oliver S.; Gerber, Christoph; Partington, Daniel J.; Purtschert, Roland; Brennwald, Matthias S.; Kipfer, Rolf; Hunkeler, Daniel; Brunner, Philip (2017). Advancing Physically-Based Flow Simulations of Alluvial Systems Through Atmospheric Noble Gases and the Novel 37 Ar Tracer Method. Water resources research, 53(12), pp. 10465-10490. American Geophysical Union 10.1002/2017WR020754

McCallum, James L.; Cook, Peter. G.; Dogramaci, Shawan; Purtschert, Roland; Simmons, Craig T.; Burk, Lawrence (2017). Identifying modern and historic recharge events from tracer-derived groundwater age distributions. Water resources research, 53(2), pp. 1039-1056. American Geophysical Union 10.1002/2016WR019839

Gerber, Christoph; Vaikmäe, Rein; Aeschbach, Werner; Babre, Alise; Jiang, Wei; Leuenberger, Markus; Lu, Zheng-Tian; Mokrik, Robert; Müller, Peter; Raidla, Valle; Saks, Tomas; Waber, H. Niklaus; Weissbach, Therese; Zappala, Jake C.; Purtschert, Roland (2017). Using ⁸¹ Kr and noble gases to characterize and date groundwater and brines in the Baltic Artesian Basin on the one-million-year timescale. Geochimica et cosmochimica acta, 205, pp. 187-210. Elsevier Science 10.1016/j.gca.2017.01.033

Gerber, Christoph (2017). Groundwater Dating with Noble Gases - from Groundwater-Surface Water Interaction and Contaminant Transport to Paleohydrogeology (Unpublished). (Dissertation, Universität Bern, Philosophisch–naturwissenschaftliche Fakultät, Physikalisches Institut, Abteilung für Klima– und Umweltphysik)

Riedmann, Robin A.; Purtschert, Roland (2016). Separation of argon from environmental samples for Ar-37 and Ar-39 analyses. Separation and Purification Technology, 170, pp. 217-223. Elsevier 10.1016/j.seppur.2016.06.017

Guillon, Sophie; Sun, Yunwei; Purtschert, Roland; Raghoo, Lauren Samara; Pili, Eric; Carrigan, Charles R. (2016). Alteration of natural ³⁷Ar activity concentration in the subsurface by gas transport and water infiltration. Journal of environmental radioactivity, 155-156, pp. 89-96. Elsevier 10.1016/j.jenvrad.2016.02.021

Haldorsen, Sylvi; Van der Ploeg, Martine J.; Cendon, Dioni I.; Chen, Jianyao; Jemaa, Najiba Chkir Ben; Gurdak, Jason J.; Purtschert, Roland; Tujchneider, Ofelia; Vaikmae, Rein; Perez, Marcela; Zouari, Kamel (2016). Groundwater and Global Palaeoclimate Signals (G@GPS). Episodes, 39(4), pp. 556-567. Geological Society of India 10.18814/epiiugs/2016/v39i4/103888

Lau, Maggie C. Y.; Kieft, Thomas L.; Kuloyo, Olukayode; Linage-Alvarez, Borja; van Heerden, Esta; Lindsay, Melody R.; Magnabosco, Cara; Wang, Wei; Wiggins, Jessica B.; Guo, Ling; Perlman, David H.; Kyin, Saw; Shwe, Henry H.; Harris, Rachel L.; Oh, Youmi; Yi, Min Joo; Purtschert, Roland; Slater, Greg F.; Ono, Shuhei; Wei, Siwen; ... (2016). An oligotrophic deep-subsurface community dependent on syntrophy is dominated by sulfur-driven autotrophic denitrifiers. Proceedings of the National Academy of Sciences of the United States of America - PNAS, 113(49), E7927-E7936. National Academy of Sciences NAS 10.1073/pnas.1612244113

Alikhani, Jamal; Deinhart, Amanda L.; Visser, Ate; Bibby, Richard K.; Purtschert, Roland; Moran, Jean E.; Massoudieh, Arash; Esser, Bradley K. (2016). Nitrate vulnerability projections from Bayesian inference of multiple groundwater age tracers. Journal of hydrology, 543(Part A), pp. 167-181. Elsevier 10.1016/j.jhydrol.2016.04.028

Führböter, Jens Fred; Sültenfuß, Jürgen; Purtschert, Roland (2015). Auswirkungen von anthropogenen Einflüssen auf einen Küstengrundwasserleiter am Beispiel des Ems-Ästuars. Grundwasser, 20(1), pp. 13-23. Springer 10.1007/s00767-014-0277-1

Aggarwal, Pradeep K.; Matsumoto, Takuya; Sturchio, Neil C.; Chang, Hung K.; Gastmans, Didier; Araguas-Araguas, Luis J.; Jiang, Wei; Lu, Zheng-Tian; Mueller, Peter; Yokochi, Reika; Purtschert, Roland; Torgersen, Thomas (2015). Continental degassing of 4He by surficial discharge of deep groundwater. Nature geoscience, 8(1), pp. 35-39. Nature Publishing Group 10.1038/ngeo2302

Åkesson, Maria; Suckow, Axel; Visser, Ate; Sültenfuβ, Jürgen; Laier, Troels; Purtschert, Roland; Sparrenbom, Charlotte J. (2015). Constraining age distributions of groundwater from public supply wells in diverse hydrogeological settings in Scania, Sweden. Journal of hydrology, 528, pp. 217-229. Elsevier 10.1016/j.jhydrol.2015.06.022

Mayer, A.; Sültenfuß, J.; Travi, Y.; Rebeix, R.; Purtschert, R.; Claude, C.; Le Gal La Salle, C.; Miche, H.; Conchetto, E. (2014). A multi-tracer study of groundwater origin and transit-time in the aquifers of the Venice region (Italy). Applied geochemistry, 50, pp. 177-198. Elsevier 10.1016/j.apgeochem.2013.10.009

Ritterbusch, F.; Ebser, S.; Welte, J.; Reichel, T.; Kersting, A.; Purtschert, R.; Aeschbach-Hertig, W.; Oberthaler, M. K. (2014). Groundwater dating with Atom Trap Trace Analysis of 39Ar. Geophysical Research Letters, 41(19), pp. 6758-6764. American Geophysical Union 10.1002/2014GL061120

Edmunds, W. Mike; Darling, W. George; Purtschert, Roland; Corcho Alvarado, José Antonio (2014). Noble gas, CFC and other geochemical evidence for the age and origin of the Bath thermal waters, UK. Applied geochemistry, 40, pp. 155-163. Pergamon 10.1016/j.apgeochem.2013.10.007

Yokochi, R.; Sturchio, N.C.; Purtschert, R.; Jiang, W.; Lu, Z.-T.; Mueller, P.; Yang, G.-M.; Kennedy, B.M.; Kharaka, Y. (2014). Corrigendum to “Noble gas radionuclides in Yellowstone geothermal gas emissions: a reconnaissance” [Chem. Geol. 339 (2013) 43-51]. Chemical geology, 371, pp. 128-129. Elsevier 10.1016/j.chemgeo.2014.02.004

Delbart, C.; Barbecot, F.; Valdes, D.; Tognelli, A.; Fourre, E.; Purtschert, R.; Couchoux, L.; Jean-Baptiste, P. (2014). Investigation of young water inflow in karst aquifers using SF6–CFC–3H/He–85Kr–39Ar and stable isotope components. Applied geochemistry, 50, pp. 164-176. Pergamon 10.1016/j.apgeochem.2014.01.011

Lu, Z.-T.; Schlosser, P.; Smethie, W.M.; Sturchio, N.C.; Fischer, T.P.; Kennedy, B.M.; Purtschert, R.; Severinghaus, J.P.; Solomon, D.K.; Tanhua, T.; Yokochi, R. (2014). Tracer applications of noble gas radionuclides in the geosciences. Earth-science reviews, 138, pp. 196-214. Elsevier 10.1016/j.earscirev.2013.09.002

Kralik, M.; Humer, F.; Fank, J.; Harum, T.; Klammler, G.; Gooddy, D.; Sültenfuß, J.; Gerber, C.; Purtschert, R. (2014). Using 18O/2H, 3H/3He, 85Kr and CFCs to determine mean residence times and water origin in the Grazer and Leibnitzer Feld groundwater bodies (Austria). Applied geochemistry, 50, pp. 150-163. Pergamon 10.1016/j.apgeochem.2014.04.001

Buizert, C.; Baggenstos, D.; Jiang, W.; Purtschert, R.; Petrenko, V. V.; Lu, Z.-T.; Muller, P.; Kuhl, T.; Lee, J.; Severinghaus, J. P.; Brook, E. J. (2014). Radiometric 81Kr dating identifies 120,000-year-old ice at Taylor Glacier, Antarctica. Proceedings of the National Academy of Sciences of the United States of America - PNAS, 111(19), pp. 6876-6881. National Academy of Sciences NAS 10.1073/pnas.1320329111

Torgersen, T.; Purtschert, Roland; Philips, F. M.; Plummer, L. N.; Sanford, W. E.; Suckow, A. (2013). Defining groundwater age. In: International Atomic Energy Agency, (ed.) Isotope Methods for Dating Old Groundwater (pp. 21-32). Vienna: IAEA

Visser, A.; Broers, H. P.; Purtschert, Roland; Sültenfuss, J.; de Jonge, M. (2013). Groundwater age distributions at a public drinking water supply well field derived from multiple age tracers (⁸⁵Kr, ³H/³He, and ³⁹Ar). Water resources research, 49(11), pp. 7778-7796. American Geophysical Union 10.1002/2013WR014012

Corcho Alvarado, J. A.; Paces, T.; Purtschert, Roland (2013). Dating groundwater in the Bohemian Cretaceous Basin: Understanding tracer variations in the subsurface. Applied geochemistry, 29, pp. 189-198. Pergamon 10.1016/j.apgeochem.2012.11.014

Yang, G.-M.; Cheng, C. F.; Jiang, W.; Lu, Z.-T.; Purtschert, Roland; Sun, Y.-R.; Tu, L.-Y.; Hu, S.-M. (2013). Analysis of ⁸⁵Kr: a comparison at the 10-14 level using micro-liter samples. Scientific Reports, 3(1) Nature Publishing Group 10.1038/srep01596

Purtschert, R.; Yokochi, R.; Sturchio, N. C. (2013). Krypton-81 dating of old groundwater. In: International Atomic Energy Agency, IAEA (ed.) Isotope Methods for Dating Old Groundwater (pp. 91-124). Vienna: IAEA

Sturchio, N. C.; Purtschert, Roland (2013). Krypton-81 case study: the nubian aquifer, Egypt. In: International Atomic Energy Agency, (ed.) Isotope Methods for Dating Old Groundwater (pp. 319-324). Vienna: IAEA

Yokochi, R.; Sturchio, N.C.; Purtschert, R.; Jiang, W.; Lu, Z.-T.; Mueller, P.; Yang, G.-M.; Kennedy, B.M.; Kharaka, Y. (2013). Noble gas radionuclides in Yellowstone geothermal gas emissions: A reconnaissance. Chemical geology, 339, pp. 43-51. Elsevier 10.1016/j.chemgeo.2012.09.037

Yokochi, Reika; Sturchio, Neil C.; Purtschert, Roland (2012). Determination of crustal fluid residence times using nucleogenic 39Ar. Geochimica et cosmochimica acta, 88, pp. 19-26. New York, N.Y.: Elsevier Science 10.1016/j.gca.2012.04.034

Jiang, W.; Bailey, K.; Lu, Z.-T.; Mueller, P.; O’Connor, T.P.; Cheng, C.-F.; Hu, S.-M.; Purtschert, R.; Sturchio, N.C.; Sun, Y.R.; Williams, W.D.; Yang, G.-M. (2012). An atom counter for measuring 81Kr and 85Kr in environmental samples. Geochimica et cosmochimica acta, 91, pp. 1-6. New York, N.Y.: Elsevier Science 10.1016/j.gca.2012.05.019

Corcho Alvarado, J.A.; Leuenberger, M.; Kipfer, R.; Paces, T.; Purtschert, R. (2011). Reconstruction of past climate conditions over central Europe from groundwater data. Quaternary Science Reviews, 30(23-24), pp. 3423-3429. Oxford: Pergamon 10.1016/j.quascirev.2011.09.003

Zuber, Andrzej; Różański, Kazimierz; Kania, Jarosław; Purtschert, Roland (2011). On some methodological problems in the use of environmental tracers to estimate hydrogeologic parameters and to calibrate flow and transport models. Hydrogeology journal, 19(1), pp. 53-69. Hannover: Verlag Heinz Heise 10.1007/s10040-010-0655-4

Jiang, W.; Williams, W.; Bailey, K.; Davis, A. M.; Hu, S.-M.; Lu, Z.-T.; O’Connor, T. P.; Purtschert, R.; Sturchio, N. C.; Sun, Y. R.; Mueller, P. (2011). 39Ar detection at the 10-16 isotopic abundance level with atom trap trace analysis. Physical review letters, 106(10), [103001]. Ridge, N.Y.: American Physical Society 10.1103/PhysRevLett.106.103001

Riedmann, Robin; Purtschert, Roland (2011). Natural 37Ar Concentrations in Soil Air: Implications for Monitoring Underground Nuclear Explosions. Environmental science & technology, 45(20), pp. 8656-8664. Washington, D.C.: ACS Publications 10.1021/es201192u

Sültenfuss, Jürgen; Purtschert, Roland; Führböter, Jens F. (2011). Age structure and recharge conditions of a coastal aquifer (northern Germany) investigated with 39Ar, 14C, 3H, He isotopes and Ne. Hydrogeology journal, 19(1), pp. 221-236. Hannover: Verlag Heinz Heise 10.1007/s10040-010-0663-4

Althaus, R.; Klump, A.; Onnis, R.; Kipfer, R.; Purtschert, R.; Stauffer, W.; Kinzelbach, W. (2009). Noble gas tracers for characterisation of flow dynamics and origin of groundwater: A case study in Switzerland. Journal of hydrology, 370(1-4), pp. 64-72. Amsterdam: Elsevier 10.1016/j.jhydrol.2009.02.053

Corcho Alvarado, J. A.; Barbecot, F.; Purtschert, Roland (2009). Ambient vertical flow in long-screen wells: a case study in the Fontainebleau Sands Aquifer (France). Hydrogeology journal, 17(2), pp. 425-431. Hannover: Verlag Heinz Heise 10.1007/s10040-008-0383-1

Corcho Alvarado, J. A.; Barbecot, F.; Purtschert, R.; Gillon, M.; Aeschbach-Hertig, W.; Kipfer, R. (2009). European climate variations over the past half-millennium reconstructed from groundwater. Geophysical Research Letters, 36(15), pp. 1-5. Washington, D.C.: American Geophysical Union 10.1029/2009GL038826

Stocker, Th.; Bürki, H.; Fischer, R.; Loosli, H.; Möll, M.; Reber, R.; Purtschert, R.; Schotterer, U.; Cartier, F.; Löhle, J.; Sartorius, H.; Schlosser, C.; Schmid, S.; Elkenberg, J.; Siegwolf, R. (2008). Tritium, Kohlenstoff-14 und Krypton-85, Jahr 2007. In: Umweltradioaktivität und Strahlendosen in der Schweiz 2007 (pp. 72-83). Bundesamt für Gesundheit BAG

Corcho Alvarado, J. A.; Purtschert, R.; Barbecot, Florent; Chabault, C; Rueedi, J; Schneider, V; Aeschbach-Hertig, W; Kipfer, R; Loosli, H. H. (2007). Constraining the age distribution of highly mixed groundwater using Ar: A multiple environmental tracer (H/He, Kr, Ar, and C) study in the semiconfined Fontainebleau Sands Aquifer (France). Water resources research, 43(3) Washington, D.C.: American Geophysical Union 10.1029/2006WR005096

Stocker, Th.; Bürki, H.; Fischer, R.; Loosli, H.; Möll, M.; Oberteufer, V.; Purtschert, R.; Schotterer, U.; Cartier, F.; Löhle, J.; Sartorius, H.; Schlosser, C.; Schmid, S.; Eikenberg, J.; Siegwolf, R. (2007). Tritium, Kohlenstoff-14 und Krypton-85. In: Umweltradioaktivität und Strahlendosen in der Schweiz 2006 (pp. 73-88). Bundesamt für Gesundheit BAG

Stocker, Th.; Bürki, H.; Fischer, R.; Loosli, H.; Möll, M.; Purtschert, R.; Schotterer, U.; Cartier, F.; Löhle, J.; Sartorius, H.; Schlosser, C.; Schmid, S.; Eikenberg, J. (2006). Tritium, Kohlenstoff-14 und Krypton-85. In: Umweltradioaktivität und Strahlendosen in der Schweiz 2005 (pp. 62-75). Bundesamt für Gesundheit BAG

Rueedi, J.; Brennwald, M. S.; Purtschert, R.; Beyerle, U.; Hofer, M.; Kipfer, R. (2005). Estimating amount and spatial distribution of groundwater recharge in the Iullemmeden basin (Niger) based on 3 H, 3 He and CFC-11 measurements. Hydrological processes, 19(17), pp. 3285-3298. Wiley 10.1002/hyp.5970

Rueedi, Joerg; Purtschert, Roland; Beyerle, Urs; Alberich, Carmen; Kipfer, Rolf (2005). Estimating groundwater mixing ratios and their uncertainties using a statistical multi parameter approach. Journal of hydrology, 305(1-4), pp. 1-14. Elsevier 10.1016/j.jhydrol.2004.06.044

Patterson, Leslie J.; Sturchio, Neil C.; Kennedy, B. Mack; van Soest, Matthias C.; Sultan, Mohamed; Lu, Zheng-Tian; Lehmann, Bernhard; Purtschert, Roland; El Alfy, Zeinhom; El Kaliouby, Baher; Dawood, Yehia; Abdallah, Ali (2005). Cosmogenic, radiogenic, and stable isotopic constraints on groundwater residence time in the Nubian Aquifer, Western Desert of Egypt. Geochemistry, geophysics, geosystems, 6(1), n/a-n/a. American Geophysical Union AGU 10.1029/2004GC000779

Corcho Alvarado, J.A.; Purtschert, R.; Hinsby, K.; Troldborg, L.; Hofer, M.; Kipfer, R.; Aeschbach-Hertig, W.; Arno-Synal, H. (2005). 36Cl in modern groundwater dated by a multi-tracer approach (3H/3He, SF6, CFC-12 and 85Kr): a case study in quaternary sand aquifers in the Odense Pilot River Basin, Denmark. Applied geochemistry, 20(3), pp. 599-609. Elsevier 10.1016/j.apgeochem.2004.09.018

Purtschert, Roland; Corcho Alvarado, José Antonio (2005). Anwendung von Edelgasisotopen in der Grundwasserhydrologie. Zentralblatt für Geologie und Paläontologie. Teil 1, Allgemeine, angewandte, regionale und historische Geologie, 2005(1/2), pp. 141-165. Schweizerbart

Stocker, Th.; Bürki, H.; Fischer, R.; Möll, M.; Loosli, H.; Purtschert, R.; Schotterer, U.; Cartier, F.; Löhle, J.; Sartorius, H.; Schlosser, C.; Schmid, S.; Eikenberg, J. (2005). Tritium Kohlenstoff-14 und Krypton-85, Messperiode 2004. In: Umweltradioaktivität und Strahlendosen in der Schweiz 2004 (7.1.1-7.1.12). Bundesamt für Gesundheit BAG

Corcho Alvarado, Jose Antonio (2005). Multiple tracer approaches to resolve the age structure of groundwater in European aquifers (Unpublished). (Dissertation, Universität Bern, Philosophisch–naturwissenschaftliche Fakultät, Physikalisches Institut, Abteilung für Klima– und Umweltphysik)

Sturchio, N. C.; Du, X.; Purtschert, R.; Lehmann, B. E.; Sultan, M.; Patterson, L. J.; Lu, Z.-T.; Müller, P.; Bigler, T.; Bailey, K.; O'Connor, T. P.; Young, L.; Lorenzo, R.; Becker, R.; El Alfy, Z.; El Kaliouby, B.; Dawood, Y.; Abdallah, A. M. A. (2004). One million year old groundwater in the Sahara revealed by krypton-81 and chlorine-36. Geophysical Research Letters, 31(5), n/a-n/a. American Geophysical Union 10.1029/2003GL019234

Stocker, Th.; Loosli, H.; Fischer, R.; Möll, M.; Purtschert, R.; Schotterer, U.; Bürki, H.; Cartier, F.; Löhle, J.; Sartorius, H.; Schlosser, C.; Schmid, S.; Eikenberg, J. (2004). Tritium, Kohlenstoff-14 und Krypton-85. In: Umweltradioaktivität und Strahlendosen in der Schweiz 2003 (B.7.1.1-B.7.1.10). Bundesamt für Gesundheit BAG

Lehmann, B.E.; Love, A.; Purtschert, R.; Collon, P.; Loosli, H.H.; Kutschera, W.; Beyerle, U.; Aeschbach-Hertig, W.; Kipfer, R.; Frape, S.K.; Herczeg, A.; Moran, J.; Tolstikhin, I.N.; Gröning, M. (2003). A comparison of groundwater dating with 81Kr, 36Cl and 4He in four wells of the Great Artesian Basin, Australia. Earth and planetary science letters, 211(3-4), pp. 237-250. Elsevier 10.1016/S0012-821X(03)00206-1

Loosli, H. H.; Aeschbach-Hertig, W.; Barbecot, F.; Blaser, P.; Darling, W. G.; Dever, L.; Edmunds, W. M.; Kipfer, R.; Purtschert, R.; Walraevens, K. (2001). Isotopic methods and their hydrogeochemical context in the investigation of palaeowaters. In: Edmunds, W. M.; Milne, C. J. (eds.) Palaeowaters in Coastal Europe: evolution of groundwater since the late Pleistocene. Special Publications: Vol. 189 (pp. 193-212). London: Geological Society 10.1144/GSL.SP.2001.189.01.12

Purtschert, R.; Beyerle, U.; Aeschbach-Hertig, W.; Kipfer, R.; Loosli, H. H. (2001). Palaeowaters from the Glatt Valley, Switzerland. In: Edmunds, W. M.; Milne, C. J. (eds.) Palaeowaters in Coastal Europe: evolution of groundwater since the late Pleistocene. Special Publications: Vol. 189 (pp. 155-162). London: Geological Society 10.1144/GSL.SP.2001.189.01.10

Collon, P.; Kutschera, W.; Loosli, H.H.; Lehmann, B.E.; Purtschert, R.; Love, A.; Sampson, L.; Anthony, D.; Cole, D.; Davids, B.; Morrissey, D.J.; Sherrill, B.M.; Steiner, M.; Pardo, R.C.; Paul, M. (2000). 81Kr in the Great Artesian Basin, Australia: a new method for dating very old groundwater. Earth and planetary science letters, 182(1), pp. 103-113. Elsevier 10.1016/S0012-821X(00)00234-X

Purtschert, Roland (1999). Uraltes Grundwasser im Glattal. Temperatur und Grundwasserneubildung während der letzten 30 000 Jahre in der Schweiz. UniPress - Forschung und Wissenschaft an der Universität Bern, 101, pp. 26-27. Abteilung Kommunikation, Universität Bern

Beyerle, Urs; Purtschert, Roland; Aeschbach-Hertig, Werner; Imboden, Dieter M.; Loosli, Heinz H.; Wieler, Rainer; Kipfer, Rolf (1998). Climate and groundwater recharge during the last glaciation in an ice-covered region. Science, 282(5389), pp. 731-734. American Association for the Advancement of Science 10.1126/science.282.5389.731

Lehmann, B. E.; Purtschert, R. (1997). Radioisotope dynamics - the origin and fate of nuclides in groundwater. Applied geochemistry, 12(6), pp. 727-738. Pergamon 10.1016/S0883-2927(97)00039-5

Purtschert, Roland (1997). Multitracer-Studien in der Hydrologie; Anwendungen im Glattal, am Wellenberg und in Vals (Unpublished). (Dissertation, Universität Bern)

Schlosser, Peter; Kromer, Bernd; Östlund, Gote; Ekwurzel, Brenda; Bönisch, Gerhard; Loosli, H. H.; Purtschert, Roland (1994). On the 14C and 39Ar distribution in the central Arctic Ocean: implications for deep water formation. Radiocarbon, 36(3), pp. 327-343. Arizona Board of Regents, University of Arizona 10.1017/S003382220001451X