Marc Walther

Hydrologist
JProf., Dr. rer. nat.


Contact

Phone: +49 341 235 1054
Fax: +49 341 235 1939
Email: Marc Walther

Department of Environmental Informatics
Helmholtz Centre for Environmental Research - UFZ
Permoserstrasse 15
Building 7.2, Room 110 Sitemap
04318 Leipzig, Germany

Marc Walther

Research

Topics of interest

  • Water in (semi-)arid regions
  • Groundwater quantity and quality in coastal areas
  • Numerical modeling in the saturated and unsaturated zone
  • Simulation of groundwater flow and transport processes
  • Density driven and variable viscosity flow in porous media
  • Parameterization, interpolation and mesh generation in concurrence with hydro-geological structuring


Current Projects

Urban Catchments: Chaohu

Subproject in BMBF-funded project: Urban Catchments.

Runtime 12/2016 - 03/2018.

ESTIMATE

DFG funded CAWR-Project (TUD Institute for Groundwater Management, Professorships Groundwater Management & Contaminant Hydrology; UFZ Deparment Monitoring and Exploration Technologies) to understand influence of internal and external stressors on contaminant source zone formation and their implications for final plume extension.

Project start prospected 03/2018


MARZIPAN

DFG funded CAWR-Project (TUD Chair of Forest Biometrics and Forest Systems Analysis, UFZ Deparment Environmental Informatics) to gain information on subsurface aquifer structures from surface vegetation patterns.

Project start prospected 03/2018

PhD-Position open - apply now!
https://recruitingapp-5128.de.umantis.com/Vacancies/1286/Description/2


Project participation

01/2009 - 08/2013

International Water Research Alliance Saxony (IWAS): Groundwater modeling in coastal arid regions

09/2013 - 09/2015

ANGUS+: Impacts of the use of the geological subsurface for energy storage in the form of gas and heat in the context of a transition to renewable energy sources


Reviewed Publications

  • Miegel, K., Gräff, T., Franck, C., Salzmann, T., Bronstert, A., Walther, M., Oswald, S.E., 2017. Auswirkungen des Sturmhochwassers der Ostsee am 4./5. Januar 2017 auf das renaturierte Niedermoor „Hütelmoor und Heiligensee“ an der deutschen Ostseeküste. Hydrol. und Wasserbewirtschaftung 61, 232–243. doi:10.5675/HyWa_2017,4_2
  • Walther, M., Graf, T., Kolditz, O., Liedl, R., Post, V., 2017. How Significant is the Slope of the Sea-side Boundary for Modelling Seawater Intrusion in Coastal Aquifers? J. Hydrol. doi:10.1016/j.jhydrol.2017.02.031
  • Schulz, S., Walther, M., Michelsen, N., Rausch, R., Dirks, H., Al-Saud, M., Merz, R., Kolditz, O., Schüth, C., 2017. Improving large-scale groundwater models by considering fossil gradients. Adv. Water Resour. 103, 32–43. doi:10.1016/j.advwatres.2017.02.010
  • Selle, B., Gräff, T., Salzmann, T., Oswald, S.E., Walther, M., Miegel, K., 2016. Untersuchung eines renaturierten Mooreinzugsgebiets an der mecklenburgischen Ostseeküste - Teil II: Salzdynamik und Wasserhaushalt. Hydrol. und Wasserbewirtschaftung 60, 259–269, doi:10.5675/HyWa_2016,4_2.
  • Zhi, G., Chen, Y., Liao, Z., Walther, M., Yuan, X. (2016). Comprehensive assessment of eutrophication status based on Monte Carlo–triangular fuzzy numbers model: site study of Dongting Lake, Mid-South China. Environ. Earth Sci. 75, 1011. doi:10.1007/s12665-016-5819-7
  • Stoeckl, L., Walther, M., Graf, T., (2016). A new numerical benchmark of a freshwater lens. Water Resour. Res. doi:10.1002/2015WR017989
  • Fischer, T., Naumov, D., Sattler, S., Kolditz, O., and Walther, M. (2015). GO2OGS 1.0: a versatile workflow to integrate complex geological information with fault data into numerical simulation models, Geosci. Model Dev., 8, 3681-3694, doi:10.5194/gmd-8-3681-2015
  • Bilke, L., Fischer, T., Helbig, C., Krawczyk, C., Nagel, T., Naumov, D., Paulick, S., Rink, K., Sachse, A., Schelenz, S., Walther, M., Watanabe, N., Zehner, B., Ziesch, J., Kolditz, O. (2014). TESSIN VISLab—laboratory for scientific visualization. Environmental Earth Sciences. doi:10.1007/s12665-014-3785-5
  • Walther, M., Bilke, L., Delfs, J.-O., Graf, T., Grundmann, J., Kolditz, O., Liedl, R. (2014). Assessing the saltwater remediation potential of a three-dimensional, heterogeneous, coastal aquifer system. Environmental Earth Sciences. doi:10.1007/s12665-014-3253-2
  • Walther, M., Solpuker, U., Böttcher, N., Kolditz, O., Liedl, R., Schwartz, F. W. (2013). Description and Verification of a Novel Flow and Transport Model for Silicate-Gel Emplacement. Journal of Contaminant Hydrology, 157, 1–10. doi:10.1016/j.jconhyd.2013.10.007
  • Walther, M., Bilke, L., Delfs, J.-O., Graf, T., Grundmann, J., Kolditz, O., Liedl, R. (2013). Visualizing Saline Intrusion in a Three-Dimensional, Heterogeneous, Coastal Aquifer. In Workshop on Visualisation in Environmental Sciences (EnvirVis). Leipzig.
  • Kolditz, O., Bauer, S., Bilke, L., Böttcher, N., Delfs, J.-O., Fischer, T., Görke, U. J., Kalbacher, T., Kosakowski, G., McDermott, C. I., Park, C. H., Radu, F., Rink, K., Shao, H., Shao, H. B., Sun, F., Sun, Y. Y., Singh, A. K., Taron, J., Walther, M., Wang, W., Watanabe, N., Wu, Y., Xie, M., Xu, W., Zehner, B. (2012). OpenGeoSys: an open-source initiative for numerical simulation of thermo-hydro-mechanical/chemical (THM/C) processes in porous media. Environmental Earth Sciences. doi:10.1007/s12665-012-1546-x
  • Walther, M., Delfs, J.-O., Grundmann, J., Kolditz, O., Liedl, R. (2012). Saltwater intrusion modeling: Verification and application to an agricultural coastal arid region in Oman. Journal of Computational and Applied Mathematics, 236(18), 4798–4809. doi:10.1016/j.cam.2012.02.008
  • Walther, M., Böttcher, N., Liedl, R. (2012). A 3D interpolation algorithm for layered tilted geological formations using an adapted inverse distance weighting approach. In ModelCare2011, Models - Repositories of Knowledge (pp. 119–126). Leipzig: IAHS Publ. 355 (2012) ISBN 978-1-907161-34-6, 374 Link.
  • Kolditz, O., Görke, U.-J., Shao, H., Wang, W. (Ed.) (2012). Thermo-Hydro-Mechanical-Chemical Processes in Porous Media: Benchmarks and Examples (Lecture Notes in Computational Science and Engineering). Springer. Link
  • Kalbacher, T., Delfs, J.O., Shao, H., Wang, W., Walther, M., Samaniego, L., Schneider, C., Musolff, A., Centler, F., Sun, F., Hildebrandt, A., Liedl, R., Borchardt, D., Krebs, P., Kolditz, O. (2011). The IWAS-ToolBox: Software coupling for an integrated water resources management. Environmental Earth Sciences, 65(5), 1367–1380. doi:10.1007/s12665-011-1270-y
  • Walther, M., Fank, J., Reimann, T. (2010). Tiefengestaffeltes Wasserprobennahmesystem zur spezifischen Beprobung der ungesättigten Zone, dem Kapillarsaum und der gesättigten Zone. Grundwasser, 15(1), 19–32. doi:10.1007/s00767-009-0129-6


Contributions to Conferences / Proceedings

Link

Journal Reviewer 

Advances in Water Resources (ADWR)
Hydrology and Earth System Sciences (HESS)
Environmental Earth Sciences (EES)
Hydrogeology Journal
Water - Open Access Journal
Grundwasser


Academic Profile

10/2002 - 11/2008

Diploma study in Hydrology at TU Dresden

09/2005 - 08/2006

Study abroad at Uppsala Universitet (Sweden)

09/2007 - 12/2007

Internship geobild Stolpen

04/2008 - 05/2008

Internship JOANNEUM RESEARCH Graz

11/2008

Diploma Hydrology: "Untersuchung von Wasserfluss und Stofftransport im Übergangsbereich zwischen gesättigter und ungesättigter Zone im Labor‐ und Feldmaßstab am Beispiel der SUIR‐Beprobungsvorrichtung in Wagna, Österreich." (Award Preis Hydrogeology der FH-DGG 2010)

01/2009 - 02/2014

Scientific research & teaching staff at the Institute of Groundwater Management at Technische Universität Dresden

PhD Thesis "Variable-Density Flow Processes in Porous Media On Small, Medium and Regional Scales" (Award "Dresdner Grundwasserforschungspreis 2015" together with Dr. Aki Sebastian Ruhl)

08/2010 - 08/2013

Guest scientist at the Helmholtz-Zentrum for Environmental Research, Leipzig, Department of Environmental Informatics

02/2014 - 09/2015

Guest scientist at the Institute for Groundwater Management at the Technische Universität Dresden

since 09/2013 - ongoing

Scientific research staff at the Helmholtz-Zentrum for Environmental Research, Leipzig, Department of Environmental Informatics

since 10/2015

Junior-Professorship for Contaminant Hydrology at Technische Universität Dresden in joint appointment with UFZ Leipzig


    Teaching

For any teaching related activities, please see my website at the Technische Universität Dresden.