Post-Doc Cloud and Wind Satellite Remote Sensing

Royal Netherlands Meteorological Institute (KNMI), Ministry of Infrastructure and Watermanagement

  • Stand­plaats De Bilt
  • Contractduur 5 jaar
  • Uren per week 36
  • Maand­salaris €3.279 - €5.039
  • Salaris­niveau schaal 11
  • Niveau Gepromoveerd
  • Vakgebied Onderzoek / wetenschap
  • Reageren voor 10 mei Nog 3 dagen
  • Vacaturenummer KNMI 2021-23
  • Plaatsingsdatum 23 april 2021
  • Dienst­verband Arbeidsovereenkomst voor bepaalde tijd


The atmospheric and ocean states are changing continuously and the EUMETSAT OSI SAF wind services at KNMI provide satellite wind or stress observations on the air-sea interface. These satellite observations of air-sea interaction play a crucial role in the monitoring of the exchange of momentum, heat and gases, such as water vapor and carbon dioxide. Indeed, climate change studies require accurate marine boundary layer and ocean surface dynamics to determine subtle dynamical changes in time and to fully capture non-linear climate-scale processes. The HARMONY mission will extend such observations to the ocean eddy km-scale, adding ocean current information. The infrared cloud motion and sea surface temperature information provide a unique resource to understand the ocean-related dynamics of the marine boundary layer, which measurements will be investigated by the post-doc, building on the expertise of the KNMI group.

The satellite cloud and wind scientist will engage to explore the HARMONY infrared measurements using Large Eddy Simulations (LES) of cloud scenes to simulate instrument-measured radiances and works in an international team to provide end-to-end simulations of the HARMONY measurements. Involvement in ocean wind projects is also foreseen, in particular in relation to data science of extreme winds and depending on project acquisition success.


As a PhD you graduated in physics, oceanography, meteorology, mathematics, or equivalent. We value your experience in applied research, optical and radar remote sensing, and programming skills. Interest in oceanography or meteorology is a clear bonus. Experience with 3D atmospheric radiation transport and peer-reviewed publications in the field of earth observation would be an asset, as well as knowledge of Fortran and scripting computer language(s) (e.g. bash, python). You have an analytical and independent mind, but also enjoy working in a team. Good communication skills, both verbally and written, in at least the English language are required.


  • Salaris­niveau schaal 11
  • Maand­salaris Min €3.279 Max. €5.039 (bruto)
  • Dienst­verband Arbeidsovereenkomst voor bepaalde tijd
  • Contract­duur 5 jaar
  • Minimaal aantal uren per week 36
  • Maximaal aantal uren per week 36

Overige arbeids­voorwaarden

Other conditions of employement

In addition to the salary and holiday pay an end-of-year payment can be expected, the so-called 13th month. The national government strongly adheres to personal growth and carreer development and offers several possibilities to facilitate this. The terms of employment include amongst others a maximum 55% paid parental leave  (conditions apply), facilities to study, additional arrangements for leave for elderly and a refund for commuter traffic. The national government offers possibilities for a number of individual choices in shaping the total package of terms of employement.

Meer over jouw toekomstige afdeling

The KNMI active sensing group is a world leader in satellite ocean wind processing and user services and their high-quality wind series and wind processing and monitoring activities are being continually improved through R&D activities that directly benefit users ( The group is also involved in the ESA Aeolus, EarthCare and HARMONY missions, that in addition address atmospheric winds, clouds, radiation and aerosols. The research will be carried out in the Earth Observation department, in the group working on active satellite observations of wind, radiation, cloud and aerosols. The KNMI satellite wind research group is internationally renowned. We work closely together with EUMETSAT (, ESA ( and other international organizations.

The HARMONY mission features infrared imagers on tandem satellites that are able to look at cloud scenes simultaneously, such that parallax can determine the cloud height unambiguously. By providing further fore and aft imaging views spread over the time that the satellites are passing over the scene, information on cloud motion is obtained, using advanced image processing techniques. KNMI has been simulating the HARMONY infrared instrument data and needs the help of a post-doc to continue this work in collaboration with ESA to further develop the HARMONY mission.

In addition, the EUMETSAT Ocean and Sea Ice (OSI) Satellite Application Facility (SAF) delivers a global core wind information service to any private or public user in several application areas: Maritime Safety, Coastal and Marine Environment, Air-sea interaction, and weather and climate activities.

Royal Netherlands Meteorological Institute (KNMI), Ministry of Infrastructure and Watermanagement

The Royal Netherlands Meteorological Institute (KNMI) advises on and warns society about reducing risks with atmospheric or seismic origins. KNMI develops high-quality knowledge, carries out observations and translates them into products and services that reduce safety risks, contribute to a sustainable society and promote economic opportunities. KNMI aims to provide reliable information and is an independent authority in the field of weather, climate, air quality, seismology and other geophysical phenomena.

The Ministry of Infrastructure and Watermanagement is committed to improving quality of life, access and mobility in a clean, safe and sustainable environment. The Ministry strives to create an efficient network of roads, railways, waterways and airways, effective water management to protect against flooding, and improved air and water quality.


Voor meer informatie over deze vacature:

De heer A.C.M. Stoffelen

+31 (0)6-22409813

Voor meer informatie over de sollicitatieprocedure:

Mevrouw S. Holl

+31 (0)6-55171426


Digitaal solliciteren

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