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M.Sc. Helena Gerdener

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M.Sc. Helena Gerdener

  • Function:

Scientific Staff Member

  • Email:

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  • Phone:

+49 228 73-6151

  • Fax:

+49 228 73-3029

  • Room:

2.003

  • Address:

Institute of Geodesy and Geoinformation

Nussallee 15

D-53115 Bonn

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

  • Gravity Recovery and Climate Experiment (GRACE) postprocessing for Level-3 solutions
  • GRACE- based hydrological drought indicators
  • Time series analysis
  • Assimilation of GRACE into hydrological models

Projects

Awards

Functions (Selection)

  • Member of the board of the institute

Teaching

  • Geodetic Earth Observation
  • Satellite Geodesy and Earth System
  • Supervision of Bachelor's and Master's thesis

Publications

  • 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, 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.

 

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