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About ITC
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Background
Wim J. Timmermans is born in 1968, The Netherlands. He obtained his MSc degree from the Delft University of Technology, Delft, The Netherlands, in 1995 in Civil Engineering. He has been teaching in remote sensing for water resources management since 1996 at the International Institute for Geo-Information Science and Earth Observation (ITC), Enschede, The Netherlands and as such directed several MSc theses. He is currently affiliated as a researcher at the Water Resources Department of ITC on remote sensing based monitoring and management of hydrological processes. He acts as a referee for Remote Sensing of the Environment and is a member of AGU, SPIE and IAHS. His research interest lies in seeking a better understanding of surface hydrology over a wide spectrum of spatial and temporal scales. He is focusing on the coupling of the Earth's surface and its atmosphere, with implications for surface hydrology, meteorology, and climate. The approach ideally combines field investigations with (numerical) simulation of the governing transport equations in order to begin to understand how we can describe surface hydrologic processes at the larger scales of modern interest.
Degrees earned
Professional experienceMay 1996 - to date: International Institute for Geo-Information Science and Earth Observation (ITC), Enschede, The Netherlands Position held: Researcher Description of duties:
Activities in educationLecturing in ITC's Core modules:
Lecturing in WRS Modules 9, 10, 11 and 12, respectively:
MSc supervision Activities in research and project servicesProject service activities are primarily related to research activities as stated under Wim�s research interest. Details of these and on publications for those interested can be found in
Current field studies include remote sensing measurements of multi-spectral reflectivity and thermal infrared emissivity; fast response measurements of turbulent fluctuations in water vapor concentration, temperature, and velocity, among other by means of eddy covariance and scintillometry.
An example of his work can be found at: ltpwww.gsfc.nasa.gov/s2k/html_pages/groups/land/flux/maun_modis_flux.html He has also participated in the ESA Spectra Barrax Campaign (SPARC) 2004 (http://gpds.uv.es/sparc/), as an investigator in the GMES Exploitation of angular effects in land surface observations from satellites (EAGLE), EU 6th FP. His work included the validation of surface energy flux determination from ground-, air- and space-borne remote sensing observations by means of scintillometry.
He is also planning to participate in the Soil Moisture Experiment 2004 (SMEX04). The SMEX04 campaigns are part of a series of NASA experiments designed to test remote sensors of soil moisture and to support analyses of land-atmosphere interaction. PublicationsISI Journal ArticlesSu, Z., Timmermans, W.J., van der Tol, C., Dost, R.J.J., Bianchi, R., Gómez, J.A., House, A., Hajnsek, I., Menenti, M., Magliulo, V., Esposito, M., Haarbrink, R., Bosveld, F.C., Rothe, R., Baltink, H.K., Vekerdy, Z., Sobrino, J.A., Timmermans, J., van Laake, P.E., Salama, M.S., van der Kwast, H. and ... [et al.] (2009) EAGLE 2006 : multi purpose, multi angle, and multi sensor in situ and airborne campaigns over grassland and forest. In: Hydrology and earth systems sciences (HESS), 13 (2009)6, pp. 833-845. Full text | Full text van der Kwast, J., Timmermans, W.J., Gieske, A.S.M., Su, Z., Olioso, A., Jia, L. and ... [et al.] (2009) Evaluation of the surface energy balance system SEBS applied to ASTER imagery with flux measurements at the SPARC 2004 site, Barrax, Spain. In: Hydrology and earth systems sciences (HESS), 13 (2009)7, pp. 1337-1347. Full text | Full text Timmermans, W.J., Su, Z. and Olioso, A. (2009) Footprint issues in scintillometry over heterogeneous landscapes. In: Hydrology and earth systems sciences (HESS), 13 (2009)11, pp. 2179-2190. Full text | Full text Richter, K. and Timmermans, W.J. (2009) Physically based retrieval of crop characteristics for improved water use estimation. In: Hydrology and earth systems sciences (HESS), 13 (2009)5, pp. 663-674. Full text | Full text Sobrino, J.A., Jiménez-Muñoz, J.C., Zarco-Tejada, P.J., Sepulcre-Cantó, G., de Miguel, E., Soria, G., Romaguera, M., Julien, Y., Cuenca, J., Hidalgo, V., Franch, B., Mattar, C., Morales, L.M., Gillespie, A.R., Sabol, D., Balick, L., Su, Z., Jia, L., Gieske, A.S.M., Timmermans, W.J. and ... [et al.] (2009) Thermal remote sensing from airborne hyperspectral scanner data in the framework of the SPARC and SEN2FLEX projects : an overview. In: Hydrology and earth systems sciences (HESS), 13 (2009)11, pp. 2031-2037. Full text | Full text Timmermans, W.J., Bertoldi, G., Albertson, J.D., Olioso, A., Su, Z. and Gieske, A.S.M. (2008) Accounting for atmospheric boundary layer variability on flux estimation from RS observations. In: International journal of remote sensing, 29 (2008)17-18, pp. 5275-5290. Full text | Full text Pauwels, V.R.N., Timmermans, W.J. and Loew, A. (2008) Comparison of the estimated water and energy budgets of a large winter wheat field during AgriSAR 2006 by multiple sensors and models. In: Journal of hydrology, 349 (2008)3-4, pp. 425-440. Full text | Full text Su, Z., Timmermans, W.J., Gieske, A.S.M., Jia, L., Elbers, J.A., Olioso, A., Timmermans, J., van der Velde, R., Jin, X., van der Kwast, H., Nerry, F., Sabol, D., Sobrino, J.A., Moreno, J. and Bianchi, R. (2008) Quantification of land atmosphere exchanges of water, energy and carbon dioxide in space and time over the heterogeneous Barrax site. In: International journal of remote sensing, 29 (2008)17-18, pp. 5215-5235. Full text | Full text Timmermans, W.J., Kustas, W.P., Anderson, M.C. and French, A.N. (2007) An intercomparison of the Surface Energy Balance Algorithm for Land SEBAL and the Two - Source Energy Balance TSEB modeling schemes. In: Remote sensing of environment, 108 (2007)4, pp. 369-384. Full text | Full text Arneth, A., Veenendaal, E.M., Best, C., Timmermans, W.J. and ... [et al.] (2006) Water use strategies and ecosystem - atmosphere exchange of CO2 in two highly seasonal environments. In: Biogeosciences, 3(2006)0, pp. 421-437. Full text | Full text French, A.N., Jacob, F., Anderson, M.C., Kustas, W.P., Timmermans, W.J., Gieske, A.S.M., Su, Z., Su, H., McCabe, M.F., Li, F., Prueger, J. and Brunsell, N. (2005) Surface energy fluxes with the advanced spaceborne thermal emission and reflection radiometer ASTER at the Iowa 2002 SMACEX site, USA + corrigendum. In: Remote sensing of environment, 99 (2005)1-2, 4, pp. 55-65, 471. Full text | Full text | Full text | Full text Timmermans, W.J. and Meijerink, A.M.J. (1999) Remotely sensed actual evapotranspiration : implications for groundwater management in Botswana. In: International journal of applied earth observation and geoinformation : JAG, 1 (1999)3-4, pp. 222-233. Full text | Full text Other Refereed Journal ArticlesBakker, W.H., Parodi, G.N. and Timmermans, W.J. (1997) NOAA AVHRR preprocessing : an application of a cloud - detection technique. In: ITC journal : bulletin de l'ITC, (1997)1, pp. 64-73. Book ChaptersTimmermans, W.J., Meijerink, A.M.J. and Lubczynski, M.W. (2001) Satellite derived actual evapotranspiration and groundwater modelling, Botswana. In: Proceedings of the IAHS-ICRS symposium on remote sensing and hydrology 2000, Santa Fe, 2-7 april 2000. Wallingford; IAHS, 2001. (IAHS Publication ; 267) pp. 252-258. Full text Conference Proceedings (full papers)Hajnsek, I., Bianchi, R., Davidson, M., D'Urso, G., Gomez-Sanches, A., Hausold, A., Horn, R., Howse, J., Low, A.J., Lopez-Sanchez, J.J., Ludwig, R., Martinez-Lozano, J.A., Mattia, F., de Miguel, E., Moreno, J., Pauwels, V., Ruhtz, T., Schmullius, C., Skriver, H., Sobrino, J.A., Timmermans, W.J. and ... [et al.] (2007) AgriSAR 2006 : airborne SAR and optics campaigns for an improved monitoring of agricultural processes and practices. In: Proceedings of the AGRISAR and EAGLE campaigns, final workshop, 15-16 October, 2007. ESA/ESTEC, Noordwijk, The Netherlands. ESA, 2007 (ESA Proceedings WPP-279) 8 p. Full text Sobrino, J.A., Jiminez-Munoz, J.C., Gomez, M., Barella-Ortiz, A., Soria, G., Julien, Y., Zaragoza-Ivora, M.M., Gómez, J.A., de Miguel, E., Jiménez, M., Su, Z., Timmermans, W.J. and ... [et al.] (2007) Application of high - resolution thermal infrared remote sensing to assess land surface temperature and emissivity in different natural environments. In: ISPRS 2007 : Vol. XXXVI, part 7/C50 : proceedings of ISPMSRS'07 : 10th international symposium on physical measurements and spectral signatures in remote sensing, Davos, Switzerland, March 12-14, 2007 / editor M.E. Schaepman, ... [et al.]. International Society for Photogrammetry and Remote Sensing (ISPRS), 2007. 350-354. Full text | Full text Pauwels, V.R.N., Timmermans, W.J. and Loew, A. (2007) Comparison of the estimated water and energy budgets of a large winter wheat field during AgriSAR 2006 by multiple sensors and models. In: Proceedings of the AGRISAR and EAGLE campaigns, final workshop, 15-16 October, 2007. ESA/ESTEC, Noordwijk, The Netherlands. ESA, 2007 (ESA Proceedings WPP-279) 5 p. Full text Su, Z., Timmermans, W.J., Dost, R.J.J., Bianchi, R., Gómez, J.A., House, A., Hajnsek, I., Menenti, M., Magliulo, V., Esposito, M., Haarbrink, R., Bosveld, F.C., Vekerdy, Z., Sobrino, J.A., van der Tol, C., van Laake, P.E., Al-Khaier, F. and ... [et al.] (2007) EAGLE 2006 : multi - purpose, multi - angle and multi - sensor in - situ and airborne campaigns over grassland and forest. In: Proceedings of the AGRISAR and EAGLE campaigns, final workshop, 15-16 October, 2007. ESA/ESTEC, Noordwijk, The Netherlands. ESA, 2007 (ESA Proceedings WPP-279) 11 p. Full text Timmermans, W.J., Dost, R.J.J., Timmermans, J., Weligepolage, K. and Blenke, A.H.B. (2007) Energy budget from large aperture scintillometry during AGRISAR2006. In: Proceedings of the AGRISAR and EAGLE campaigns, final workshop, 15-16 October, 2007. ESA/ESTEC, Noordwijk, The Netherlands. ESA, 2007. (ESA Proceedings WPP-279) 8 p. Full text Timmermans, W.J., Jiménez-Muñoz, J.C., Fernandez, G., Pauwels, V.R.N., Loew, A. and Sobrino, J.A. (2007) Water and energy budget from airborne optical imagery during AGRISAR 2006. In: Proceedings of the AGRISAR and EAGLE campaigns, final workshop, 15-16 October, 2007. ESA/ESTEC, Noordwijk, The Netherlands. ESA, 2007 (ESA Proceedings WPP-279) 8 p. Full text Timmermans, W.J., Albertson, J.D., Bertoldi, G., Olioso, A., Su, Z. and Gieske, A.S.M. (2006) Accounting for ABL variability on flux estimation using RS data. In: Proceedings of the 2nd recent advances in quantitative remote sensing conference, 25-29 September 2006 Auditori de Torrent, Spain. València : Publicaciones de la Universitat de València, 2006. ISBN-84-370-6533-X. pp. 602-607. Full text Su, Z., Gieske, A.S.M., Timmermans, W.J., Timmermans, J., van der Velde, R. and ... [et al.] (2006) Land - atmosphere exchanges of water, energy and carbon dioxide in space and time over the heterogeneous Barrax site during SPARC 2004 and Sen2Flex 2005. In: Second recent advances in quantitative remote sensing : proceedings of the 2nd international symposium on recent advances in quantitative remote sensing RAQRS'II , 25-29 September 2006, Valencia, Spain. / ed. by J.A. Sobrino. Valencia : Universitat de Valencia, 2006. ISBN 978-84-370-6533-5. pp. 484-491. Full text Su, Z., Lia, J., Gieske, A.S.M., Timmermans, W.J., Jin, X., Elbers, J., van der Kwast, H., Olioso, A., Sobrino, J.A., Nerry, F., Sabol, D. and Moreno, J. (2005) In - situ measurements of land - atmosphere exchanges of water, energy and carbon dioxide in space and time over the heterogeneous Barrax site during SPARC2004. In: Proceedings of the ESA WPP-250 : SPARC final workshop, 4-5 July, 2005. Enschede : ESA, 2005. 8 p. Full text Timmermans, W.J., van der Kwast, J., Gieske, A.S.M., Su, Z., Olioso, A., Jia, L. and Elbers, J. (2005) Intercomparison of energy flux models using ASTER imagery at the SPARC 2004 site, Barrax, Spain,. In: Proceedings of the ESA WPP-250 : SPARC final workshop, 4-5 July, 2005. Enschede : ESA, 2005. 8 p. Full text Gieske, A.S.M., Hendrikse, J.H.M., Retsios, V., van Leeuwen, B., Maathuis, B.H.P., Romaguera, M., Sobrino, J.A., Timmermans, W.J. and Su, Z. (2005) Processing of MSG - 1 SEVIRI data in the thermal infrared - algorithm development with the use of the SPARC2004 data set. In: Proceedings of the ESA WPP-250 : SPARC final workshop, 4-5 July, 2005. Enschede : ESA, 2005. 8 p. Full text Sobrino, J.A., Romaguera, M., Sòria, G, Zaragoza, M.M., Gomez, M., Cuenca, J., Julien, Y., Jiménez-Muñoz, J.C., Su, Z., Jia, L., Gieske, A.S.M., Timmermans, W.J. and ... [et al.] (2005) Thermal measurements in the framework of SPARC. In: Proceedings of the ESA WPP-250 : SPARC final workshop, 4-5 July, 2005. Enschede : ESA, 2005. 6 p. Full text Timmermans, W.J., Gieske, A.S.M., Kustas, W.P., Wolski, P., Almut Arneth and Parodi, G.N. (2004) Determination of water and heat fluxes with MODIS imagery : Maun, Botswana. In: Proceedings of the SPIE conference : 10th International remote sensing meeting : Remote sensing for agriculture, ecosystems, and hydrology : 8-12 September 2003 Barcelona. / ed by. V. Manfred Owe, Guido D'Urso, Jose F. Moreno, Alfonso Calera. SPIE, 2004. ( Proceedings of SPIE ; 5232) pp. 444-455. Full text Kustas, W.P., Timmermans, W.J. and French, A.N. (2004) An intercomparison of two remote sensing - based energy balance modeling schemes. In: IGARSS 2004 : proceedings of the IEEE international geoscience and remote sensing symposium : Science for society, exploring and managing a changing planet, Anchorage, 20-24 September 2004. IEEE, 2004. 4 p. Full text Gieske, A.S.M., Wubett, M.T., Timmermans, W.J., Parodi, G.N., Wolski, P. and Almuth Arneth (2004) Temperature emissivity separation with ASTER and LANDSAT 7 validation on the fringe of the Okavango delta, Botswana. In: Proceedings of the SPIE conference : 10th International remote sensing meeting : Remote sensing for agriculture, ecosystems, and hydrology : 8-12 September 2003 Barcelona. / ed by. V. Manfred Owe, Guido D'Urso, Jose F. Moreno, Alfonso Calera. SPIE, 2004. ( Proceedings of SPIE ; 5232) pp. 489-498. Full text Timmermans, W.J. and Parodi, G.N. (1995) Modelling the spatial distribution of short - wave radiation over relief - rich terrain. In: Proceedings of the International. Conference on Environment and Informatics, EN & IN, 29 June - 1 July, 1995. Budapest, 1995. ISBN 963-311-345-8. pp. 180-187. Full text PresentationsTimmermans, W.J., Olioso, A. and Albertson, J.D. (2009) Surface heterogeneity influence on land - atmosphere energy exchanges : abstract. Presented at the International conference on land surface radiation and energy budgets : observation, modeling and analysis, 18-20 March 2009, Beijing, China. 2 p. Full text van der Tol, C., Timmermans, J., van der Tol, S., Su, Z. and Timmermans, W.J. (2008) A Bayesian approach to improve remote sensing of sensible and latent heat fluxes : abstract. In: Geophysical research abstracts : EGU general assembly 2008, 10(2008). 2 p. Full text | Full text Timmermans, W.J., Kustas, W.P., de Bruin, H.A.R. and Gieske, A.S.M. (2008) DATTUTDUT : Operational monitoring of water and heat fluxes : abstract. Presented at the PLEIADES expert workshop : surface energy balance models of agricultural areas from earth observation data, March 13, 2008 Lima, Peru. 1. p. Full text van der Tol, C., Verhoef, W., Verhoef, A., Houldcroft, C.J., Timmermans, J., Su, Z. and Timmermans, W.J. (2008) Exploring the potential of an integrated radiative transfer and surface energy balance model. In: Geophysical research abstracts : EGU general assembly 2008, 10(2008). 1 p. Full text | Full text Hajnsek, I., Bianchi, R., Davidson, M., D'Urso, G., Gomez-Sanches, A., Hausold, A., Horn, R., Howse, J., Low, A.J., Lopez-Sanchez, J.J., Ludwig, R., Martinez-Lozano, J.A., Mattia, F., de Miguel, E., Moreno, J., Pauwels, V., Ruhtz, T., Schmullius, C., Skriver, H., Sobrino, J.A., Timmermans, W.J. and ... [et al.] (2007) AgriSAR 2007 : airborne SAR and optics campaigns for an improved monitoring of agricultural processes and practices : abstract. Presented at AgriSAR and EAGLE Campaigns Final Workshop, 15-16 October 2007, ESA, ESTEC, Noordwijk. 1 p. Full text Sobrino, J.A., Jiménez-Muñoz, J.C., Gomez, M., Barella-Ortiz, A., Sòria, G, Julien, Y., Zaragoza-Ivorra, M.M., Gómez, J.A., de Miguel, E., Jiménez, M., Su, Z., Timmermans, W.J. and ... [et al.] (2007) Application of high - resolution thermal infrared remote sensing to assess land surface temperature and emissivity in different natural environments : abstract. Presented at 10th International symposium on physical measurements and signatures in remote sensing 12-14 March 2007 Davos, Switzerland. 1 p. Full text Timmermans, J., Weligepolage, K., Timmermans, W.J., Dost, R.J.J. and Blenke, A.H.B. (2007) BRDFs acquired by directional radiative measurements during AGRISAR2006 : abstract. Presented at AgriSAR and EAGLE Campaigns Final Workshop, 15-16 October 2007, ESA, ESTEC, Noordwijk. 1 p. Full text van der Tol, C., Su, Z., Gieske, A.S.M., Timmermans, J., Timmermans, W.J. and Jia, L. (2007) Fluxes of energy, carbon dioxide and water measured over a vineyard in Barrax, Spain, during SPARKS and SEN2FLEX campaigns : abstract. In: EGU 2007 : European Geosciences Union : general assembly, Vienna, Austria, 15-20 April, 2007. Geophysical Research Abstracts, 9(2007)10011, 1 p. Full text | Full text Pauwels, V., Timmermans, W.J. and Loew, A. (2007) Study of the water and energy budget during AGRISAR2006 : abstract. Presented at AgriSAR and EAGLE Campaigns Final Workshop, 15-16 October 2007, ESA, ESTEC, Noordwijk. 1 p. Full text Timmermans, J., Gieske, A.S.M., van der Velde, R., Timmermans, W.J. and Su, Z. (2006) The determination of directional canopy temperatures and canopy component temperatures of the Las Tiesas vineyard for future implementation into 3D heat transfer models : abstract. Presented at Scale and complexity in plant systems research: gene-plant-crop relations : Frontis workshop on scale and complexity in plant systems research: gene-plant-crop relations, Wageningen, The Netherlands, April 24-26, 2006. 1 p. Full text Bertoldi, G., Alberson, J.D., Timmermans, W.J. and ... [et al.] (2006) The effect of land-atmosphere feedbacks on the spatial structure of land surface fluxes over heterogeneous terrain. Presented at 30st Hydraulics and Hydraulic Engineering Conference - IDRA, 10-15 September 2006, Rome, Italy. 1 p. Full text | Full text Gieske, A.S.M., Timmermans, J., Timmermans, W.J., van der Velde, R. and Su, Z. (2006) Review of the July 2005 Vineyard Flux Measurements : SEN2FLEX, Barrax, Spain. Presented at SEN2FLEX Meeting Valencia, Spain, Jan 9-16, 2006. 21 p. Full text Albertson, J.D., Bertoldi, G., Kustas, W. and Timmermans, W.J. (2005) The effect of land - atmosphere feedbacks on the spatial structure of land surface fluxes over complex terrain : abstract. In: EOS : transactions American Geophysical Union : electronic supplement, AGU Fall meeting 2005, 86(2005)52. 1 p. Full text Su, Z., Jia, L., Jin, X., Elbers, J., Gieske, A.S.M., Timmermans, W.J., van der Kwast, H., Olioso, A., Sobrino, J.A., Moreno, J., Nerry, F. and Sabol, D. (2004) Land - atmosphere exchanges of water and energy in space and time over a heterogeneous land surface. In: Proceedings of the 2nd international CAHMDA workshop on : the terrestrial water cycle : modelling and data assimilation across catchment scales, October 25-27, Princeton. / ed. by A.J. Teuling, H. Leijnse, P.A. Troch, J. Sheffield and E.F. Wood. pp. 129-130. Full text Mannaerts, C.M., Gieske, A.S.M., van Leeuwen, B., Maathuis, B.H.P., Timmermans, W.J., Retsios, V. and Hendrikse, J.H.M. (2004) Meteosat - 8 for African water resources management : poster. Presented at the CEOS TIGER workshop for space technologies for water resources management in Africa, Pretoria, South Africa, 8-10 November 2004. Full text Kustas, W.P. and Timmermans, W.J. (2003) A comparison of surface flux maps from remote sensing - based models : abstract. In: AGU 2003 Fall Meeting 8-12 December 2003 San Fransisco, USA. Eos Transactions 84(56). Paper no. H41b-07 1 p. Full text | Full text MSc thesesTimmermans, W.J. (1995) Remote sensing evapotranspiration. Delft, Delft University of Technology (TUD), 1995. 150 p. |
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