Max Planck Gesellschaft

Sophia Walther

Postdoctoral Researcher, Global diagnostic modelling group

room: C3.013 (tower)
phone: +49 3641 576235
email: swalth@bgc-jena.mpg.de
ORCID: https://orcid.org/0000-0003-1681-9304


Research interests:

  • Dynamics of the terrestrial carbon cycle and effects of vegetation on it
  • Satellite-based remote sensing of vegetation
  • data-driven modelling of biogenic carbon fluxes, FLUXCOM (www.fluxcom.org)

Peer-reviewed publications:

  • Jung, Schwalm, Migliavacca, Walther, Camps-Valls, Koirala, Anthoni, Besnard, Bodesheim, Carvalhais, Chevallier, Gans, Groll, Haverd, Ichii, Jain, Liu, Lombardozzi, Nabel, Nelson, Pallandt, Papale, Peters, Pongratz, Rödenbeck, Sitch, Tramontana, Weber, Reichstein, Köhler, O’Sullivan, Walker (2020), “Scaling carbon fluxes from eddy covariance sites to globe: Synthesis and evaluation of the FLUXCOM approach”, Biogeosciences, https://bg.copernicus.org/articles/17/1343/2020/
  • Duveiller, G., Filipponi, F., Walther, S., Köhler, P., Frankenberg, C., Guanter, L. and Cescatti, A. (2020), “A spatially downscaled sun-induced fluorescence global product for enhanced monitoring of vegetation productivity ”, Earth System Science Data, https://doi.org/10.5194/essd-12-1101-2020
  • Walther, S., Duveiller, G., Jung, M., Guanter, L., Cescatti, A., & Camps‐Valls, G. (2019). Satellite observations of the contrasting response of trees and grasses to variations in water availability, Geophysical Research Letters, 46. https://doi.org/10.1029/2018GL080535
  • Walther, S., Guanter, L., Heim, B., Jung, M., Duveiller, G., Wolanin, A., Sachs, T. (2018). Assessing the dynamics of vegetation productivity in circumpolar regions with different satellite indicators of greenness and photosynthesis, Biogeosciences, 15. https://www.biogeosciences.net/15/6221/2018/
  • Köhler, P., Guanter, L., Kobayashi, H., Walther, S., Yang, W. (2018. Assessing the potential of sun-induced fluorescence and the canopy scattering coefficient to track large-scale vegetation dynamics in Amazon forests, Remote Sensing of Environment, 204, pp. 769-785, http://doi.org/10.1016/j.rse.2017.09.025
  • Walther, S., Voigt, M., Thum, T., Gonsamo, A., Zhang, Y., Koehler, P., Jung, M., Varlagin, A., Guanter, L. (2016). Satellite chlorophyll fluorescence measurements reveal large-scale decoupling of photosynthesis and greenness dynamics in boreal evergreen forests, Global Change Biology, 22, 9, pp. 2979-2996, http://doi.org/10.1111/gcb.13200
  • Neef, L., Walther, S., Matthes, K., Kodera, K. (2014). Observations of stratospheric sudden warmings in Earth rotation variations, Journal of Geophysical Research, 119, 16, pp. 9666-9678. http://doi.org/10.1002/2014JD021621

Projects:

Vad3e mecum: Vegetation and drought: towards improved data-driven estimates of ecosystem carbon fluxes under moisture stress, ESA Living Planet Fellowship (https://eo4society.esa.int/lpf/sophia-walther/) , June 2020 - June 2022

Contributing to::


Honours:

  • December 2019: Ernst-Reuter-Prize of the Free University Berlin for one of the best doctoral theses in 2018

Curriculum vitae:

  • since 03/2018: Max-Planck-Institute for Biogeochemistry, Jena, Germany
  • 09-12/2016 and 05-07/2017: research stay at Joint Research Centre, European Commission, Ispra, Italy
  • 2014-2018: PhD student Helmholtz-Zentrum Potsdam Deutsches GeoForschungsZentrum GFZ, 'Assessment of the dynamics of terrestrial vegetation using satellite observations of greenness and sun-induced chlorophyll fluorescence'
  • 2011-2014: MSc Meteorology Free University Berlin, 'Assessment of terrestrial vegetation dynamics through space-borne measurements of greenness and chlorophyll fluorescence'
  • 2008-2011: BSc Meteorology Free University Berlin, 'The influence of the Sudden Stratospheric Warming in January 2009 on the length of day'
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