Dr. Maximilian Semmling

Maximilian Semmling
Dr. Maximilian Semmling
Building A 17, Room 20.02
14473 Potsdam
+49 331 288-1979
+49 331 288-1111

Function and Responsibilities:

  • Leader GFZ working group "GNSS reflectometry"
  • Supervision students (bachelor, master, doctoral thesis)

Research Interests:

  • GNSS signal propagation and its application for remote sensing
  • altimetric measurements to resolve ocean topography on sub-meso scale (eddy detection)
  • polarimetric measurements for sea ice characterization (permittivity)
  • autonomous setups (e.g. UAV based)
  • geoscientific research projects and international cooperations


  • 2007: project scientist at Ludwig-Maximilian-Universität Munich
  • 2007-2008: project scientist at Universität Stuttgart
  • seit 2008: research scientist at GeoForschungsZentrum Potsdam
  • 2018: project scientist at Université Littoral Côte d'Opale Calais
  • 2009: "GPS-SIDS" research stay at Institut d'Estudis Espacial de Catalunya
  • 2016: "Fram Strait Expedition" research stay with Norsk Polarinstitutt


  • 2001-2007: studies at Leipzig University
  • 2005-2006: studies at Jagiellon University Krakow
  • 2007: Diplom (physics) "Cell Uptake Mechanisms of Polyelectrolyte Microparticles"

  • 2008-2012: PhD studies at Technical University Berlin
  • 2012: PhD (Dr. rer. nat.) "Altimetric Monitoring of Disko Bay using Interferometric GNSS"


  • "Arctic GNSS Ice Detection" (project PI) measurements and method development for sea ice characterization using GNSS reflectometry
  • "Marine Research at Côte d'Opale" (CPER project) coastal altimetry and soil moisture measurements, ground- and uav-based
  • "Advanced Technologies for Navigation and Geodesy" (HGF project) "Ocean Altimetry" (working package PI)
  • "Assessment of Snow and Ice Reflectometry using In-Situ data" (project PI) long-term measurements at Kongsfjorden, Svalbard
  • "GNSS-Reflectometry Assessment of Requirements and Consolidation of Retrieval Algorithms" (ESA project) "Phase Delay Altimetry" (working package PI)
  • "Zeppelin" (flight experiments) altimetry and method development
  • "GEOHALO" (flight mission) altimetry and method development
  • "GPS Sea Ice and Dry Snow" (ESA project) altimetry and sea ice measurements
  • "German Indonesian Tsunami Early Warning System" automating of reflectometry setup

Research Boards and Committees:

  • Member IAG working group "GNSS reflectometry"