Dr. rer. nat. Tanja Kramm
Dr. rer. nat. Tanja Kramm
Südbau, Raum 1.14
Otto-Fischer-Straße 4
50674 Köln
Research Interests
- Automated feature extraction from historical geospatial data
- Land use/land cover (LULC) analysis
- Research data management
- Digital elevation models
- Geomorphometry
- Digital soil mapping
Geomorphology
Publications
- Feldmar, V., Kramm, T., Curdt, C., Hoffmeister, D., Bubenzer, O., Bareth, G. (2026): Long-Term Repositories—Maintaining Research Databases for Interdisciplinary Projects. Data 11(5), 120. doi: https://doi.org/10.3390/data11050120
- Leicher, N., Feldmar, V., Quezada Jara, A., Vásquez Illanes, P., Sepúlveda Vásquez, F., Wombacher, F., Lagos, M., Kramm, T., González, G., Kuiper, K., Breitkreuz, C., Sáez, A., Gimeno, D., Cabrera, L., Rodríguez Araneda, I., Wagner, B., Bareth, G., Wennrich, V. (2026): TephAta – an online collection of tephra data from the Atacama Desert, Earth System Science Data, 18, 3729–3756. doi: https://doi.org/10.5194/essd-18-3729-2026
- Nyamari, N., Kramm, T., Otieno, D., Biber-Freudenberger, L., Bogner, C. (2026): A Systematic Literature Review of Soil Ecosystem Services in the East and Southern African Regions. Frontiers in Soil Science 6, 1765141. doi: https://doi.org/10.3389/fsoil.2026.1765141.
- Mtweve, P.J., Eustace, A., Kramm, T., Bogner, C., Ibisch, P.L., Biber-Freudenberger, L. (2026): Roads reshape forests: distance, access, and deforestation in Tanzania. Trees, Forests and People 26, 101330. doi: https://doi.org/10.1016/j.tfp.2026.101330.
- Kramm, T., Nyamari, N., Moseti, V., Klee, A., Vehlken, L., Anderson, D.M., Bogner, C., Bareth, G. (2025): Deep learning-based extraction of Kenya’s historical road network from topographic maps. Scientific Data 12, 1149. doi: 10.1038/s41597-025-05442-6.
- Mtweve, P., Moseti, V., Mahmoud, N., Kramm, T., Bogner, C., Ibisch, P., Biber-Freudenberger, L. (2025): Exploring socioeconomic and environmental impacts of road infrastructure development in Sub-Saharan Africa: A systematic literature review, Environmental Development, Volume 54, 2025. doi: 10.1016/j.envdev.2025.101177.
- Biber-Freudenberger, L., Bogner, C., Bareth, G., Bollig, M., Dannenberg, P., Revilla Diez, J., Greiner, C., Mtweve, P. J., Klagge, B., Kramm, T., Müller-Mahn, D., Moseti, V., Nyamari, N., Ochuodho, D. O., Kuntashula, E., Theodory, T., Thorn, J., Börner, J. (2025): Impacts of road development in sub-Saharan Africa: A call for holistic perspectives in research and policy. iScience, Volume 28, Issue 2. doi: 10.1016/j.isci.2025.111913.
- Kramm, T. (2022): Uncertainties in Digital Elevation Models: Evaluation and Effects on Landform and Soil Type Classification. Dissertation, University of Cologne.
- Kramm, T., Hoffmeister, D. (2021): Comprehensive vertical accuracy analysis of freely available DEMs for different landscape types of the Rur catchment, Germany, Geocarto International, doi: 10.1080/10106049.2021.1984588.
- Kramm, T., Hoffmeister, D. (2020): Assessing the influence of environmental factors and datasets on soil type prediction with two machine learning algorithms in a heterogeneous area in the Rur catchment, Germany. Geoderma Regional, in press. doi: 10.1016/j.geodrs.2020.e00316.
- Hoffmeister, D., Herbrecht, M., Kramm, T., Schulte, P. (2020): Evaluation of random forest-based analysis for the gypsum distribution in the Atacama desert. 2020 Latin American GRSS & ISPRS Remote Sensing Conference, Santiago de Chile.
- Kramm, T., Hoffmeister, D. (2019): A Relief Dependent Evaluation of Digital Elevation Models on Different Scales for Northern Chile. ISPRS Int. J. Geo-Inf., 8 (10), 430. doi: 10.3390/ijgi8100430.
- Curdt, C., Hoffmeister, D., Kramm, T., Lang, U., Bareth, G. (2019): Etablierung von Forschungsdatenmanagement-Services in geowissenschaftlichen Sonderforschungsbereichen am Beispiel des SFB/Transregio 32, SFB 1211 und SFB/ Transregio 228. Bausteine Forschungsdatenmanagemen. Empfehlungen und Erfahrungsberichte für die Praxis von Forschungsdatenmanagerinnen und -managern 2/2019: 61-67. doi: 10.17192/bfdm.2019.2.8103.
- Kramm, T., Hoffmeister, D., (2019): Evaluation of digital elevation models for geomorphometric analyses on different scales for northern Chile. Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci.. Proc. of ISPRS Geospatial Week 2019, XLII-2/W13, June 10 - 14, 2019, Enschede, The Netherlands, 1229 - 1235. doi: 10.5194/isprs-archives-XLII-2-W13-1229-2019.
- Kramm, T., Hoffmeister, D., Curdt, C., Maleki, S., Khormali, F., Kehl, M. (2017): Accuracy assessment of landform classification approaches on different spatial scales for the Iranian Loess Plateau. ISPRS Int. J. Geo-Inf., 6 (11), 366. doi: 10.3390/ijgi6110366.