M.Sc. Helena Gerdener

  

M.Sc. Helena Gerdener

Professional profile

• Since 02.10.2017 Research assistant at the Institute of Geodesy and Geoinformation (Astronomical, Physical and Mathematical Geodesy), University of Bonn.

• 2015 - 2017: Master of Science at the Institute of Geodesy and Geoinformation, University of Bonn.

• 2012 - 2015: Bachelor of Science at the Institute of Geodesy and Geoinformation, University of Bonn.

Research

Projects

• BMBF GlobeDrought

• DFG-GlobalCDA

Awards

Functions (Selection)

Teaching

Publications

• Klos, A., Kusche, J., Leszczuk, G., Gerdener, H., Schulze, K., Lenczuk, A., & Bogusz, J. (2023): Introducing the Idea of Classifying Sets of Permanent GNSS Stations as Benchmarks for Hydrogeodesy. Journal of Geophysical Research: Solid Earth, e2023JB026988. https://doi.org/10.1029/2023JB026988
  
  
• Güntner, A., Gerdener, H., Boergens, E., Kusche, J., Kollet, S., Dobslaw, H., Hartick, C., Sharifi, E., Flechtner, F. (2023): Veränderungen der Wasserspeicherung in Deutschland seit 2002 aus Beobachtungen der Satellitengravimetrie. Hydrologie & Wasserbewirtschaftung, 67, (2), 74-89. doi.org/10.5675/HyWa_2023.2_1
  
  

• Dibi-Anoh, P. A., Koné, M., Gerdener, H., Kusche, J., N'Da, C. K. (2022). Hydrometeorological Extreme Events in West Africa: Droughts. Surveys in Geophysics, November 2022, https://doi.org/10.1007/s10712-022-09748-7.

• Gerdener, H., Kusche, J., Schulze, K., Ghazaryan, G., Dubovyk, O. (2022). Revising precipitation – water storages – vegetation signatures with GRACE-based data assimilation. Journal of Hydrology, Volume 612, Part A, September 2022, 128096, https://doi.org/10.1016/j.jhydrol.2022.128096.

• Meza, I., Rezaei, E.E., Siebert, S., Ghazaryan, G., Nouri, H., Dubovyk, O., Gerdener, H., Herbert, C., Kusche, J., Popat, E., Rhyner, J., Jordaan, A., Walz, Y., Hagenlocher, M. (2021). Drought risk for agricultural systems in South Africa: Drivers, spatial patterns, and implications for drought risk management, Science of The Total Environment, Volume 799, 149505, doi.org/10.1016/j.scitotenv.2021.149505.

• Deggim, S., Eicker, A., Schawohl, L., Gerdener, H., Schulze, K., Engels, O., Kusche, J., Saraswati, A. T., van Dam, T., Ellenbeck, L., Dettmering, D., Schwatke, C., Mayr, S., Klein, I., and Longuevergne, L. (2021). RECOG RL01: correcting GRACE total water storage estimates for global lakes/reservoirs and earthquakes, Earth Syst. Sci. Data, 13, 2227–2244, doi.org/10.5194/essd-13-2227-2021.

• Gerdener, Helena; Schulze, Kerstin; Engels, Olga; Kusche, Jürgen (2020): RECOG-EQ RL01 Earthquake correction for CSR, GFZ and ITSG solutions of GRACE level 3 total water storage anomalies from 2003-01 to 2016-12 correcting for the Sumatra-Andaman (2004) and Tohoku (2011) earthquakes. PANGAEA, https://doi.org/10.1594/PANGAEA.921923

• Meza, I., Siebert, S., Döll, P., Kusche, J., Herbert, C., Eyshi Rezaei, E., Nouri, H., Gerdener, H., Popat, E., Frischen, J., Naumann, G., Vogt, J. V., Walz, Y., Sebesvari, Z., and Hagenlocher, M. (2020). Global-scale drought risk assessment for agricultural systems, Nat. Hazards Earth Syst. Sci., 20, 695–712, doi.org/10.5194/nhess-20-695-2020

• Gerdener, H., Engels, O., Kusche, J. (2020). A framework for deriving drought indicators from the Gravity Recovery and Climate Experiment (GRACE), Hydrol. Earth Syst. Sci., 24, 227–248, https://doi.org/10.5194/hess-24-227-2020.

• Gerdener, H. (2017). Influence of ENSO and Atlantic modes on climate variables over West Africa. Masterarbeit, Universität Bonn, 2017.

• Gerdener, H. (2015). Developing a multivariate drought index for West Africa from satellite remote sensing products and model outputs. Bachelorarbeit, Universität Bonn, 2015.