People > Stefan Simis

Stefan Simis

Earth Observation Scientist (Inland Waters)

Contact Details


Stefan is a phytoplankton ecologist with a keen interest in optical observation technology, ranging from in situ measurements to remote sensing, based in laboratory, field, and numerical studies. Cyanobacteria detection and ecophysiology are of particular interest. His current work focuses on the use of earth observation platforms to produce water quality information for inland and coastal waters, including algorithm development, calibration/validation studies, and large scale data processing. Collaborating with modelling and socioeconomics experts at PML he also contributes to the development of Earth Observation solutions for aquaculture and environmental risk mapping.


Water-ForCE: Water scenarios For Copernicus Exploitation

Contact: Stefan Simis

Water-ForCE is co-creating a Roadmap for the development of the next phase of Copernicus Inland Water Services with the space sector, research...

Earth observation for sustainable development (EO4SD) - marine resources

Contact: Steve Groom

The world’s oceans generate goods and services with an estimated value of over $49.7 trillion per annum, equivalent to the world’s...

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Other key projects

  • Improved monitoring and forecasting of ecological status of European INland waters by combining Future earth ObseRvation data and Models INFORM
  • EartH2Observe
  • Copernicus Global Land Service – Lake Water

Selected key publications

Groetsch, P.M.M., Simis, S.G.H., Eleveld, M.A., & Peters, S.W.M. (2014). Cyanobacterial bloom detection based on coherence between ferrybox observations. Journal of Marine Systems, 140, Part A, 50-58

Lawrenz, E., Silsbe, G., Capuzzo, E., Ylöstalo, P., Forster, R.M., Simis, S.G.H., Prášil, O., Kromkamp, J.C., Hickman, A.E., Moore, C.M., Forget, M.-H., Geider, R.J., & Suggett, D.J. (2013). Predicting the Electron Requirement for Carbon Fixation in Seas and Oceans. PloS one, 8, e58137

Simis, S.G.H., & Olsson, J. (2013). Unattended processing of shipborne hyperspectral reflectance measurements. Remote Sensing of Environment, 135, 202–212

Martinez-Vicente, V., Simis, S.G.H., Alegre, R., Land, P.E., & Groom, S.B. (2013). Above-water reflectance for the evaluation of adjacency effects in Earth observation data: initial results and methods comparison for near-coastal waters in the Western Channel, UK. Journal of the European optical society - rapid publications, 8

Simis, S.G.H., & Kauko, H.M. (2012). In vivo mass-specific absorption spectra of phycobilipigments through selective bleaching. Limnol. Oceanogr.: Methods, 10, 214-226

Simis, S.G.H., Huot, Y., Babin, M., Seppälä, J., & Metsamaa, L. (2012). Optimization of variable fluorescence measurements of phytoplankton communities with cyanobacteria. Photosynthesis Research, 112, 13-30

Other activities

  • PML: Athena Swan Committee, Library Committee
  • PONDER steering committee (RBINS, Belgium)