GFZ German research centre for geo sciences

Dr. Anna Jentsch

Scientist
Dr. Anna Jentsch
Building A 46, Room 207 (Büro)
Albert-Einstein-Straße 42-46
14473 Potsdam

Function and Responsibilities:

Postdoctoral researcher in EMERGE project (Measuring & Modelling Tectonic CO2 Emissions Through Time)

My task is to quantify present-day regional CO2 flux patterns of entire rift-segments by combining innovative drone-based CO2 flux measuring techniques with ground measurements. This will allow us to quantify the contribution of rift-related CO2 degassing to the natural carbon cycle in unprecedented detail.

Research Interests:

I am a geologist with a strong interest in the temporal and spatial variations of gas and fluid geochemistry at the geosphere-atmosphere interface, to understand the processes that drive these variations.

In recent years, I have led several expeditions to both volcanic and non-volcanic geothermal areas, evaluating and developing different methodological approaches and measurement concepts as exploration and monitoring tools. I particularly like interdisciplinary approaches to the study of geosystems on both small and larger scales.


  • Gas- and fluid geochemistry
  • Isotope geochemistry (stable and noble)
  • Water-rock interactions
  • Structural geology
  • On- and Offshore methodologies
  • Geothermal system analysis

Career:

  • 2024 - present Postdoctoral researcher EMERGE project
  • 2023 - 2024 - Postdoctoral researcher at ETH Zürich -Testing and evaluation of newly acquired offshore exploration instruments (bathymetry, ROV) in combination with structural and geochemical methods for underwater exploration at lakes in Indonesia and Switzerland
  • 2021 - 2023 - Postdoctoral researcher at GFZ,  LEAP-RE project - Geothermal Atlas 4 Africa, Mapping of low to high enthalpy geothermal resources for the development of African electricity production and a range of direct heat/cold use applications and water use.
  • 2020 - 2023 - Helmholtz Enterprise Field Strudy Fellowship and Spin-off Program; Establishment of start-up team and the implementation of the start-up project Fluxtec focusing on area-wide soil gas mapping to minimize the risks in geothermal exploration and monitoring
  • Oct 2015 - Feb 2016 - Field work for Master Thesis at GNS Science: A methodical approach to detect diffuse degassing processes at active faults within the Taupo Volcanic Zone, NZ
  • 2012-2015 - Research Assistant GFZ Potsdam
  • May 2014 - Aug 2014 Intership at GNS Science, New Zealand; Project "Detecting diffuse CO2 emissions along Ngapouri Fault using a Tunable Diode Laser

Education:

  • 2017-2021 PhD at GFZ and University of Potsdam. Thesis: "Soil gas analytics for geothermal exploration and monitoring"
  • 2012-2016 MSc In Geology, University of Potsdam. Thesis: "A methodical approach to detect diffuse degassing processes across active faults within the Taupo Volcanic Zone, New Zealand"
  • 2008-2012 BSc in Geosciences, University of Potsdam. Thesis: "Risk assessment of hydraulic stimulation in deep geothermal wells"

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