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- Senior researcher
Dr Van der Woerd’s PhD research took place at the Dutch national laboratory for space research (SRON), which resulted in a thesis on satellite-based X-ray observations from close-binary stars. Subsequently, he worked as research fellow for two years for the European Space Agency on the interpretation of satellite data. In 1989 he started his career in Earth Observation with work on chemistry/transport modelling of the stratosphere in combination with remote sensing observations of the ozone layer. He was deeply involved in the introduction of Remote Sensing of the atmospheric trace gas composition with validation of the ESA GOME instrument. This has been the start for his enthusiasm to develop Remote-Sensing applications in fundamental and applied environmental research. From 1998 this work has expanded to the general field of Remote Sensing of the environment at the Vrije Universiteit Amsterdam. He became head of the Remote Sensing Unit and responsible for acquisition, project management and scientific output. In this capacity he has built up an extensive project management track record.
He is a very dedicated scientist who is able to analyse complex problems, construct and manage a detailed work plan to generate solutions. These solutions always involve sound physical and mathematical procedures. He is able to work in pure research and applied research and likes to teach at the highest levels.
Check out his 60plus publications: Web of Science: Author ID: K-9812-2013, Research Gate: Hans J van der Woerd
He is truly a generalist in satellite observations and their applications. He has an extremely wide scientific interest, as is shown in the over 60 articles in 25 different journals and over 50 reports that are mainly based on satellite observations from stars, atmosphere, water and land.
In the last 15 years most articles dealt with the retrieval of water composition in complex coastal and inland waters. However, his strength lies in the combination with other disciplines, like microbiology, oceanography, citizen’s science, monitoring and water management, validation, economic valuation.
Key words: satellite data, radiative transfer, inversion techniques, physics, instrumental characterization, monitoring strategy, teaching
|1987||PhD in Mathematics and Physics, University of Amsterdam|
|1982||MSc Astronomy with Physics and Mathematics, University of Amsterdam|
|1978||BSc in Physics and Astronomy (Cum Laude), University of Amsterdam|
Professional employment history
|1997-present||Senior Scientist, Institute for Environmental Studies (IVM), Vrije Universiteit Amsterdam|
|Program manager Remote Sensing at the Institute for Environmental Studies (IVM) at the Vrije Universiteit, Amsterdam|
|Senior Scientist Global Air Pollution, National Institute for Public Health and Environment (RIVM), Bilthoven|
|1989-1993||Atmospheric Scientist, National Institute for Public Health and Environment (RIVM), Bilthoven|
|1987-1989||Research Fellow, European Space and Technology Centre (ESA), Noordwijk|
|1983-1987||Scientist, Netherlands Laboratory for Space Research (SRON), Utrecht|
Selected large projects
- Citclops: www.citclops.eu
- Commissioned by the European Commission (2012 -2015)
- Citizens’ Observatory for Coast and Ocean Optical Monitoring
- MOS2, commissioned by: Port of Rotterdam
- Monitor the impact of dredging activities by integration of models and satellite data (2007-2013).
- CoBiOS , commissioned by the European Commission (2011 -2013)
- Integrate satellite products and ecological models into an operational service for algal bloom warning
- IN PLACE, commissioned by NWO (2009 -2013)
- Monitor the carrying capacity of ecosystems in the Wadden Sea
Selected peer reviewed publications
Busch, J.A., Price, I., Jeansou, E., Zielinski, O. & van der Woerd, H.J. (2016). Citizens and satellites: assessment of phytoplankton dynamics in a NW Mediterranean aquaculture zone. International Journal of Applied Earth Observation and Geoinformation, 47, 40–49. doi: 10.1016/j.jag.2015.11.017
Hahn-Woernle, L., Dijkstra, H. & van der Woerd, H.J. (2016). Vertical mixing derived from surface chlorophyll-a concentrations of the North Atlantic ocean. Journal of Atmospheric and Oceanic Technology, 33, 2165–2183. doi: 10.1175/JTECH-D-16-0053.1
Novoa, S., Wernand, M. & van der Woerd, H.J. (2015). WACODI: A generic algorithm to derive the intrinsic color of natural waters for digital images. Limnology and Oceanography, Methods, 13 (12), 697–711. doi: 10.1002/lom3.10059
van der Woerd, H.J. & Wernand, M.R. (2015). True colour classification of natural waters with medium-spectral resolution satellites: SeaWiFS, MODIS, MERIS and OLCI. Sensors, 15, 25663–25680. doi: 10.3390/s151025663
Kurekin, A.A., Miller, P.I. & van der Woerd, H.J. (2014). Discrimination of Karenia mikimotoi and Phaeocystis blooms in European coastal waters: merged classification of MODIS and MERIS ocean color data. Harmful Algae, 31, 163–176. doi: 10.1016/j.hal.2013.11.003
Wernand, M.R., van der Woerd, H.J. & Gieskes, W.W.C. (2013). Trends in Ocean Colour and Chlorophyll Concentration from 1889 to 2000, Worldwide. PLoS One, 8(6). doi: 10.1371/journal.pone.0063766
Jurado, E., van der Woerd, H.J., Dijkstra, H.A. (2012). Microstructure measurements along a quasi-meridional transect in the northeast Atlantic. Journal of Geophysical Research: Oceans, 117, C04016. doi:10.1029/2011JC007137.
Jurado, E., Dijkstra, H. A. & Van der Woerd, H. J. (2012). Microstructure observations during the spring 2011 STRATIPHYT-II cruise in the Northeast Atlantic. Ocean Sci., 8, 945–957, doi:10.5194/os-8-945-2012, 2012.
Salama, M.S., van der Velde, R. , van der Woerd, H.J. , Kromkamp, J.C., Philippart, J.C.M., Joseph, A.T. , O’Neill, P.E., Lang, R.H., Gish, T., Werdell, P.J. & Su, Z. (2012). Technical Notes: Calibration and validation of geophysical observation models. Biogeosciences, 9, 2195–2201, doi:10.5194/bg-9-2195-2012
El Serafy, G.Y., Eleveld, M.A., Blaas, M., van Kessel, T., Gaytan Aguilar, S. & van der Woerd, H.J. (2011). Improving the description of the suspended particulate matter concentrations in the southern North Sea through assimilating remotely sensed data. Ocean Science Journal, 46(3), 179–204. doi:10.1007/s12601-011-0015-x
van der Woerd, H.J., Blauw, A., Peperzak, L., Pasterkamp, R. & Peters, S. (2011). Analysis of the spatial evolution of the 2003 algal bloom in the Voordelta (North Sea). Journal of Sea Research, 65, 195–204.
Bouma, J., van der Woerd, H.J. & Kuik, O. (2009). The value of information for water quality management in the North Sea. Journal of Environmental Management, 90, 1280–1288.
van der Woerd, H.J. & Pasterkamp, R. (2008). HYDROPT: A fast and flexible method to retrieve chlorophyll-a from multispectral satellite observations of optically complex coastal waters. Remote Sensing of Environment, 112, 1795–1807.
Eleveld, M.A., Pasterkamp, R., van der Woerd, H.J. & Pietrzak, J. (2008). Remotely sensed seasonality in the spatial distribution of sea-surface suspended particulate matter in the southern North Sea. Estuarine, Coastal and Shelf Science, 80, 103–113.