Dr. Janek Walk, B.Sc. B.Sc. M.Sc. RWTH
Sprechstunde: Nach Vereinbarung
Sommersemester 2024
290005 EX Physiogeographische Exkursion - Inland: Das Pleistozän an der unteren Krems - Landschaftsgenese und Geoarchäologie
290010 EX Understanding, Analysing and Modelling Earth Surface Dynamics - Geohighlights of Southern Brazil
Wintersemester 2023
Sommersemester 2023
290005 EX Physiogeographische Exkursion - Inland: Das Pleistozän an der unteren Krems - Landschaftsgenese und Geoarchäologie
Stauch, G., Dörwald, L., Esch, A., & Walk, J. (2024). 115 years of sediment deposition in a reservoir in Central Europe: Topographic change detection. Earth Surface Processes and Landforms, 49(2), 582-600. https://doi.org/10.1002/esp.5722
Sun, X., Amelung, W., Klumpp, E., Walk, J., Mörchen, R., Böhm, C., Moradi, G., May, S. M., Tamburini, F., Wang, Y., & Bol, R. (2024). Fog controls biological cycling of soil phosphorus in the Coastal Cordillera of the Atacama Desert. Global Change Biology, 30(1), [e17068]. https://doi.org/10.1111/gcb.17068
Dörwald, L., Lehmkuhl, F., Walk, J., Delobel, L., Boemke, B., Baas, A., Zhang, D., Yang, X., & Stauch, G. (2023). Dune movement under climatic changes on the north-eastern Tibetan Plateau as recorded by long-term satellite observation versus ERA-5 reanalysis. Earth Surface Processes and Landforms, 48(13), 2613-2629. https://doi.org/10.1002/esp.5651
Walk, J., Schulte, P., Bartz, M., Binnie, A., Kehl, M., Mörchen, R., Sun, X., Stauch, G., Tittmann, C., Bol, R., Brückner, H., & Lehmkuhl, F. (2023). Pedogenesis at the coastal arid-hyperarid transition deduced from a Late Quaternary chronosequence at Paposo, Atacama Desert. CATENA, 228, [107171]. https://doi.org/10.1016/j.catena.2023.107171
Lehmkuhl, F., Walk, J., & Lewis, O. (2023). Alluvial fans as an indicator of Quaternary climate change. INQUA Rome 2023, Rome, Italien. https://inquaroma2023.exordo.com/programme/presentation/1872
Dörwald, L., Lehmkuhl, F., Walk, J., Delobel, L., Boemke, B., Baas, A., Zhang, D., Yang, X., & Stauch, G. (2023). Dune movement and climatic changes on the north-eastern Tibetan Plateau – Gonghe Basin and neighboring regions. Jahrestagung der Deutschen Gesellschaft für Geomorphologie 2023, Aachen, Deutschland. https://www.pgg.rwth-aachen.de/global/show_document.asp?id=aaaaaaaaccmrbmr
Walk, J., Bartz, M., Binnie, A., Kehl, M., Mörchen, R., Schulte, P., Sun, X., Stauch, G., Tittmann, C., Bol, R., Brückner, H., & Lehmkuhl, F. (2023). Implications for Late Quaternary climate, weathering, and soil formation at Atacama’s hyperarid coast drawn from trapped charge- and cosmogenic nuclide-dated alluvial fans. INQUA Rome 2023, Rome, Italien. https://inquaroma2023.exordo.com/programme/presentation/774
Walk, J., Boemke, B., & Ullmann, T. (2023). Spatial flood frequency analysis of ephemeral rivers in Northwest Namibia based on cloud computing of Landsat time series. EGU, General Assembly 2023, Wien, Österreich. https://doi.org/10.5194/egusphere-egu23-12947
Walk, J., Boemke, B., Betz, F., Armon, M., Mohren, J., Krieger, J., & Lehmkuhl, F. (2023). Spatial frequency analysis of hydrogeomorphic events in Northwest Namibia based on over two decades of satellite Earth observation. Jahrestagung der Deutschen Gesellschaft für Geomorphologie 2023, Aachen, Deutschland. https://www.pgg.rwth-aachen.de/global/show_document.asp?id=aaaaaaaaccmrbmr
Mohren, J., Walk, J., Brill, D., Römer, W., Krieger, J., Medialdea, A., Nguno, A., & Lehmkuhl, F. (2023). Spatio-temporal patterns of alluvial deposition at the Skeleton Coast of Namibia. Jahrestagung der Deutschen Gesellschaft für Geomorphologie 2023, Aachen, Deutschland. https://www.pgg.rwth-aachen.de/global/show_document.asp?id=aaaaaaaaccmrbmr
Walk, J., Bartz, M., Binnie, A., Kehl, M., Mörchen, R., Schulte, P., Sun, X., Stauch, G., Tittmann, C., Bol, R., Brückner, H., & Lehmkuhl, F. (2023). Weathering and pedogenesis under coastal (hyper-)aridity deduced from 10Be exposure-dated alluvial fan morphostratigraphies, Atacama Desert. IAG Regional Conference of Geomorphology, Nevsehir, Türkei.
Walk, J., Bartz, M., Stauch, G., Binnie, A., Brückner, H., & Lehmkuhl, F. (2022). Weathering under coastal hyperaridity – Late Quaternary development of spectral, textural, and gravelometric alluvial fan surface characteristics. Quaternary Science Reviews, 277, [107339]. https://doi.org/10.1016/j.quascirev.2021.107339
Stauch, G., Esch, A., Dörwald, L., Esser, V., Lechthaler, S., Lehmkuhl, F., Schulte, P., & Walk, J. (2022). A century of sedimentation in a reservoir in central Europe – sedimentation rate and characteristics. EGU General Assembly 2022, Vienna, Österreich. https://doi.org/10.5194/egusphere-egu22-5480
Walk, J., Tittmann, C., Schulte, P., Mörchen, R., Sun, X., Bartz, M., Binnie, S. A., Stauch, G., Bol, R., Brückner, H., & Lehmkuhl, F. (2022). Assessing soil formation under coastal hyperaridity since the Mid-Pleistocene using a chronosequence dated by in situ cosmogenic 10Be at Paposo, Atacama Desert (N Chile). EGU General Assembly 2022, Vienna, Österreich. https://doi.org/10.5194/egusphere-egu22-7889
Dörwald, L., Walk, J., Lehmkuhl, F., & Stauch, G. (2022). Remotely sensed dune movement rates in desert margins of Central Asia over five decades using satellite imagery. EGU General Assembly 2022, Vienna, Österreich. https://doi.org/10.5194/egusphere-egu22-4460
Dörwald, L., Esch, A., Stauch, G., & Walk, J. (2021). Meso- to macro-scale landscape modelling with SfM-MVS photogrammetry: a case study from the Urft Lake water reservoir (Eifel Mountains, western Germany). EGU, General Assembly 2021, Wien, Österreich. https://doi.org/10.5194/egusphere-egu21-3248
Stauch, G., Esch, A., Dörwald, L., Esser, V., Lechthaler, S., Lehmkuhl, F., Schulte, P., & Walk, J. (2021). 115 years of sediment deposition in the Urft reservoir (Eifel Mountains, western Germany). EGU, General Assembly 2021, Wien, Österreich. https://doi.org/10.5194/egusphere-egu21-148
Bartz, M., Duval, M., Brill, D., Zander, A., King, G. E., Rhein, A., Walk, J., Stauch, G., Lehmkuhl, F., & Brückner, H. (2020). Testing the potential of K-feldspar pIR-IRSL and quartz ESR for dating coastal alluvial fan complexes in arid environments. Quaternary International, 556, 124-143. https://doi.org/10.1016/j.quaint.2020.03.037
Bartz, M., Walk, J., Binnie, S. A., Brill, D., Stauch, G., Lehmkuhl, F., Hoffmeister, D., & Brückner, H. (2020). Late Pleistocene alluvial fan evolution along the coastal Atacama Desert (N Chile). Global and Planetary Change, 190, [103091]. https://doi.org/10.1016/j.gloplacha.2019.103091
Walk, J., Stauch, G., Reyers, M., Vásquez, P., Sepúlveda, F. A., Bartz, M., Hoffmeister, D., Brückner, H., & Lehmkuhl, F. (2020). Gradients in climate, geology, and topography affecting coastal alluvial fan morphodynamics in hyperarid regions – The Atacama perspective. Global and Planetary Change, 185, [102994]. https://doi.org/10.1016/j.gloplacha.2019.102994
Institut für Geographie und Regionalforschung
Universitätsstraße 7 (NIG)
1010 Wien
Zimmer: A0508
T: +43-1-4277-48755