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Dr. Kai Hartmann

Kai Hartmann
Image Credit: Jan Kersten

Geologische Wissenschaften

Fachrichtung Paläontologie


Malteserstrasse 74-100, Haus H
Room H.131
12249 Berlin

Office hours

Montag 14:00 - 15:00 Uhr (in der vorlesungsfreien Zeit nach Absprache)


  • Introduction into Statistiscs (B.Sc.)
  • Climate Geography (B.Sc.)
  • Geostatistics (M.Sc.)


  • Statistics with R (B.Sc.)
  • Geostatistics with R (M.Sc.)
  • Intro into Geoinformationssystems (B.Sc.)
  • Geomorphology and Soil-geography (B.Sc.)
  • Methods in physical Geography (B.Sc.)
  • Applied Project in limnology and Geomorphology(B.Sc. & M.Sc)
  • Climate Geography (B.Sc.)
  • GIS (B.Sc.)
  • Remote sensing (B.Sc.)

Special Courses

  • Constraint Feature Scales
  • Compositional Data Analyses
  • Probablistic Modeling

Main Research Aims

  • Statistical and geostatistical modeling
  • Machine Learning and Compositinal Data
  • Environmental and Ecological Modeling
  • Palaeohydrology
  • Structural morphology and morphodynamics
  • Sediment cascades

at the desert margins of Africa and Asia, on the Tibetan Plateau and Europe

Research Projects

Recent Projects

  • DFG Lesotho - Testing climate simulations for the Highland of Lesotho (southern Africa) during the LGM using phylogeographic proxies, geomorphology and palaeobiological isotope geochemistry (DFG-Gz. Ha 4368/4-1 K. Hartmann with Frank Riedel (Ri 809/38-1) FU Paleontology, Christian Albrecht (AL 1076/12-1) Univ. Giessen and Ulrich Struck (STR 356/10-1), Natural History Museum Berlin). Press-Release, Tagesspiegel article from 8. May 2022 in germanin english, Staff: V.S. Gummersbach

Projects finished


Hartmann, K., Krois, J., Rudolph,A. (2023): E-Learning Project SOGA: Statistics and Geodata Analysis using R (SOGA-R). Department of Earth Sciences, Freie Universitaet Berlin.

Rudolph,A., Krois, J., Hartmann,K. (2023): E-Learning Project SOGA: Statistics and Geodata Analysis using Python (SOGA-Py). Department of Earth Sciences, Freie Universitaet Berlin.

peer-reviewed articles (Scopus Author ID: 16679273900)

  • Hethke, M., Hartmann, K., Alberti, M., Kutzner, T., Schwentner, M. (2023). Testing the success of palaeontological methods in the delimitation of clam shrimp (Crustacea, Branchiopoda) on extant species. Palaeontology. http://doi.org/10.1111/pala.12634
  • Hethke M., Hartmann, K., Alberti , M., Kutzner,T. and Schwendtner, M. 2022. Data from: Testing the success of palaeontological methods in the delimitation of clam shrimp (Crustacea, Branchiopoda) on extant species. Dryad Digital Repository [Code & datasets]. https://doi.org/10.5061/dryad.fbg79cnxs

  • Geppert, M., Hartmann, K., Riedel, F., Struck, U. (2022). Stable water isotopes of precipitation and different surface waters in southern Africa, sampled from 2016 to 2021. PANGEA. https://doi.org/10.1594/PANGAEA.944811
  • Geppert, M., Hartmann, K., Kirchner, I., Pfahl, S., Struck, U., Riedel, F. (2022). Precipitation over southern Africa: Moisture sources and isotopic composition. JGR-Atmosphere, https://doi.org/10.1029/2022JD037005
  • Hülscher, J., Sobel, e. R., Kallnik, N., Hoffmann, J. E., Millar, I. L., Hartmann, K., Bernhardt (2022) Apatites Record Sedimentary Provenance Change 4-5 Myrs Before Clay in the Oligocene/Miocene Alpine Molasse. Frontiers in Environmental Science. https://doi.org/10.3389/feart.2022.914409
  • Wiese, R., Harrington, K., Hartmann, K., Hethke, M., von Rintelen, T., Zhang, H., Zhang, L.-J., &  Riedel, F. (2022). Can fractal dimensions objectivize gastropod shell morphometrics? A case study from Lake Lugu (SW China). Ecology and Evolution, 12, e8622. https://doi.org/10.1002/ece3.8622
  • Yan, D., Wünnemann, B., Zhang,Y., Hartmann, K., Diekmann, B., & Andersen, N., 2021. Neotectonic subsidence along the Cenozoic Kunlun fault (Tibetan Plateau). Geophysical Research Letters, 48, e2021GL094571., https://doi.org/10.1029/2021GL094571
  • Slotta, F., Wacker, L.,Riedel, F., Heußner, K.-U., Hartmann, K., Helle, G.,2021. High-resolution 14C bomb peak dating and climate response analyses of subseasonal stable isotope signals in wood of the African baobab – a case study from Oman. Biogeoscience, 18, 3539-3564, 2021. https://doi.org/10.5194/bg-18-3539-2021
  • Geppert, M., Riedel, F., Gummersbach, V.S., Gutjahr, S., Hoelzmann, P., Reyes Garzón, M.D., Shemang, E.M. & Hartmann, K. Late Pleistocene hydrological settings at world heritage Tsodilo Hills (NW Kalahari, Botswana), a site of ancient human occupation. Quaternary Science Advances 3 (2021). https://doi.org/10.1016/j.qsa.2021.100022.
  • Wiese, R., Hartmann, K., Gummersbach, V.S., Shemang, E.M., Struck,U., Riedel,F., 2020. Lake highstands in the northern Kalahari, Botswana, during MIS 3b and LGM. Quaternary Interntional, 558,10-18, https://doi.org/10.1016/j.quaint.2020.08.016.
  • Schwamborn, G., Hartmann,K., Wünnemann,B., Rösler, W., Wefer-Roehl,A.,Pross,J., Schlöffel, M., Kobe, K., Tarasov, P.E., Berke, M. A., and Diekmann,B., 2020. Sediment history mirrors Pleistocene aridification in theGobi Desert (Ejina Basin, NW China). Solid Earth, 11, 1375-1398. https://doi.org/10.5194/se-11-1375-2020
  • Ramisch, A., Tjallingii, R., Hartmann, K., Diekmann, B., & Brauer, A. (2018). Echo of the Younger Dryas in Holocene lake sediments on the Tibetan Plateau. Geophysical Research Letters, 45. https://doi.org/10.1029/2018GL080225
  • Hollert,H., Crawford, S., Brack, W., Brinkmann, M., Fischer, E., Hartmann, K., Keiter, S., Ottermanns, R., Ouellet, J.-D., Rinke ,K. , Rösch, M., Roß-Nickoll, M., Schäffer, A., Schüth, C., Schulze, T., Schwarz, A., Seiler, T.-B., Wessels, M., Hinderer, M., Schwalb, A., 2018. Looking back - looking forward: A novel multi-time slice weight-of-evidence approach for defining reference conditions to assess the impact of human activities on lake systems. Science of The Total Environment 626: 1036-1046.
  • Stauch, G., Schulte, P., Ramisch, A., Hartmann, K., Hülle, D., Lockot, G., Diekmann,B., Nottebaum,V., Müller,C., Wünnemann, B., Yan, D., Lehmkuhl,F. , 2017. Landscape and climate on the northern Tibetan Plateau during the late Quaternary. Geomorphology, 286, 78-92.
  • Ramisch, A., Lockot, G., Haberzettl, T., Hartmann, K., Kuhn, G., Lehmkuhl, F., Schimpf, S., Schulte, P., Stauch, G., Wang, R., Wünnemann, B., Yan, D., Zhang, Y.,  Diekmann,B., 2016. A persistent northern boundary of Indian Summer Monsoon precipitation over Central Asia during the Holocene. Nature Sci. Rep. 6, 25791; doi: 10.1038/srep25791
  • Rudersdorf, A, Havenith, K., Hölz, S., Hartmann, K., Reicherter, K., 2015. Fault geometry and neotectonic fault activity of the Ejina Basin using integrated geological and geophysical data. Geotectonic Research 09/2015; 97(1):77-79. https://doi.org/10.1127/1864-5658/2015-30
  • Borchers, A., Dietze, E., Kuhn,G., EspeR, O., Voigt, I., Hartmann, K., Diekmann, B., 2015. Holocene ice dynamics and bottom-water formation associated with Cape Darnley Polynya activity recorded in Burton Basin, East Antarctica. Marine Geophysical Research  37: 49-70
  • Rudersdorf, A., Hartmann, K., Yu, K., Stauch, G., Reicherter, K.,2015. Seismites as indicators for Holocene seismicity in the northeastern Ejina Basin, Inner Mongolia. Accepted for Geological Society London, Special Publications: Seismicity, Fault Rupture and Earthquake Hazards in Slowly Deforming Regions. Geological Society London Special Publications 432:1-19. DOI:10.1144/SP432.6
  • Lockot, G., Ramisch, A., Wünnemann, B., Hartmann,K., Haberzettl, T., Chen, H., Diekmann, B., 2015. A process- and provenance-based attempt to unravel inconsistent radiocarbon chronologies in lake sediments – an example from Lake Heihai, North Tibetan Plateau (China). Radiocarbon 57, 1-17.
  • Nottebaum, V., Stauch, G., Hartmann, K., Zhang, J., Lehmkuhl, F., 2015. Unmixed loess grain size populations along the northern Qilian Shan (China): Relationships between geomorphologic, sedimentologic and climatic controls. Quaternary International 372: 151-166.
  • Nottebaum, V., F. Lehmkuhl, G. Stauch, K. Hartmann, B. Wünnemann, S. Schimpf, H. Lu, 2014. Regional grain size variations in aeolian sediments along the transition between Tibetan highlands and northwestern Chinese deserts – The influence of geomorphological settings on aeolian transport pathways. Earth Surface Processes and Landforms 04/2014; https://doi.org/10.1002/esp.3590.
  • Dietze E., F. Maussion, M. Ahlborn, B. Diekmann, K. Hartmann, K. Henkel, T. Kasper, G. Lockot, S. Opitz, and T. Haberzettl, 2014. Sediment transport processes across the Tibetan Plateau inferred from robust grain size end-members in lake sediments. Clim. Past Discuss., 9, 4855-4892, 2013 www.clim-past-discuss.net/9/4855/2013/doi:10.5194/cpd-9-4855-2013
  • Dietze, E.; Wünnemann, B.; Hartmann, K.; Diekmann, B.; Jin, H.; Stauch, G.; Yang, S.; Lehmkuhl, F..2013: Early to mid-Holocene lake high-stand sediments at Lake Donggi Cona, northeastern Tibetan Plateau, China. Quaternary Research 79: 325 - 336.
  • Stauch, G., IJmker, J., Pötsch, S., Zhao, H., Hilgers, A., Diekmann, B., Dietze, E., Hartmann, K., Opitz, S., Wünnemann, B., Lehmkuhl, F. 2012: Aeolian sediments on the north-eastern Tibetan Plateau. Quaternary Science Reviews. 57. 71-84
  • IJmker, J., Stauch, G., Hartmann, K., Diekmann, B., Dietze, E., Opitz, S., Wünnemann, B., Lehmkuhl, F. 2012. Environmental conditions in the Donggi Cona lake catchment, NE Tibetan Plateau, based on factor analysis of geochemical data. Journal of Asian Earth Sciences (44): 176–188.
  • IJmker, J., Stauch, G., Dietze, E., Hartmann, K., Diekmann,B., Lockot, G., Opitz, S., Wünnemann, B., Lehmkuhl, F. 2012. Characterization of transport processes and sedimentary deposits by statistical end-member mixing analysis of terrestrial sediments in the Donggi Cona lake catchment, NE Tibetan Plateau. Sedimentary Geology 281: 166-179.
  • Opitz, S., Wünnemann, B., Aichner, B., Dietze, E., Hartmann, K., Herzschuh, U., IJmker, J., Lehmkuhl, F., Li, S., Mischke, S., Plotzki, A., Stauch, G., Diekmann, B.,2012. Late Glacial and Holocene development of Lake Donggi Cona, north-eastern Tibetan Plateau, inferred from sedimentological analysis. PalPalPal 337-338:159 – 176.
  • Dietze, E., Hartmann, K., Diekmann, B., IJmker, J., Lehmkuhl, F., Opitz, S., Stauch, G., Wünnemann, B., Borchers, A. 2012.
An end-member algorithm for deciphering modern detrital processes from lake sediments of Lake Donggi Cona, NE Tibetan Plateau, China
 Sedimentary Geology
 243-244:169 – 180.
  • Ramisch, A., W. Bebermeier, K. Hartmann, B. Schütt, N. Alexanian, 2012. Fractals in topography: Application to geoarchaeological studies in the surroundings of the necropolis of Dahshur, Egypt. Quaternary International 266, 34-46.
  • Hartmann, K.; Wünnemann, B.; Hölz, S.; Kraetschell, A.; Zhang, H. 2011. Neotectonic constraints on the Gaxun Nur inland basin in north-central China, derived from remote sensing, geomorphology and geophysical analyses. - In: Gloaguen, R. & Ratschbacher, L. (eds.): Growth and Collapse of the Tibetan Plateau. – Geological Society of London Special Publications 353: 221-233.
  • Dietze, E., Wünnemann, B., Diekmann, B., Aichner, B., Hartmann, K., Herzschuh, U., IJmker, J., Jin, H., Kopsch, C., Lehmkuhl, F., Li, S., Mischke, S., Niessen, F., Opitz, S., Stauch, G., Yang, S. 2010. Basin morphology and seismic stratigraphy of Lake Donggi Cona, north-eastern Tibetan Plateau, China. –Quaternary International 218 (1-2): 131-142.
  • Wünnemann, B; Demske, D. Tarasov, P.; Kotlia, B.; Reinhardt, Ch.; Bloemendal, J.; Diekmann, B.; Hartmann, K.; Krois, J.; Riedel, F.; Arya, N. 2010. Hydrological evolution during the last 15 kyr in the Tso Kar lake basin (Ladakh, India), derived from geomorphological, sedimentological and palynological records. – Quaternary Science Reviews 29: 1138-1155.
  • Hartmann, K., Wünnemann, B., Zhang, H. 2009. Evidences of neotectonic impact on a large sedimentary basin between Tibetan Plateau and Gobi Altay, NW China. – Quaternary Science 29/4: 687-695.
  • Hartmann, K. & Wünnemann, B. 2009. Hydrological changes and Holocene climate variations in NW China, inferred from lake sediments of Juyanze palaeolake by factor analyses. Quaternary International 194: 28–44.
  • Becken, M., Hölz, S., Fiedler-Volmer, R., Hartmann, K., Wünnemann, B., Burkhardt, H., 2007 Electrical resistivity image of the Jingsutu Graben at the NE margin of the Ejina Basin (NW China) and implications for the basin development. Geophysical Research Letters 34.
  • Hölz, S., Polag, D., Becken, M. Fiedler-Volmer, R., Zhang, HC., Hartmann, K., Burkhardt, H. 2007. Electromagnetic and Geoelectric Investigation of the Gurinai Structure, Inner Mongolia, NW China. Tectonophysics 445, (Issues 1-2): 26-48.
  • Wünnemann, B., Hartmann, K., Altmann, N., Hambach, U., Pachur, H.-J., Hucai Zhang 2007. Interglacial and glacial fingerprints from lake deposits in the Gobi Desert, NW China. In: Sirocko,F., Claussen, M., Sánchez-Goñi, M.F. (Eds.): The Climates of the Past Interglacials. Developments in Quaternary Science Vol. 7:323-347, Elsevier, Amsterdam.
  • Wünnemann, B., Hartmann, K., Janssen, M., Zhang, H.C 2007. Responses of Chinese desert lakes to climate instability during the past 45,000 years In: Madsen, D.B., Chen, F.H., and Gao, X. (Eds.), Late Quaternary Climate Change and Human Adaptation in Arid China, Developments in Quaternary Science Vol. 9:11-24, Elsevier, Amsterdam.
  • Zhang, W.X., Fan, H.F., Chang, F.Q., Wünnemann, B., Hartmann, K. 2006. Dilemma of dating on lacustrine deposits in an hyperarid inland basin of NW China. Radiocarbon 48,2,219-226.
  • Herzschuh, U., Tarasov, P., Wünnemann, B., Hartmann, K. 2004. Holocene vegetation and climate of the Alashan Plateau, NW China, reconstructed from pollen data. Palaeo3 211: 1-17.


  • Paläohydrologie
  • Sedimentkaskaden von limnischen Systemen
  • Statistische und geostatistische Modellierung
  • Strukturmorphologie und Morphodynamik
  • Umweltmodellierung