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Hydrology and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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Volume 13, issue 6
Hydrol. Earth Syst. Sci., 13, 833–845, 2009
https://doi.org/10.5194/hess-13-833-2009
© Author(s) 2009. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: Advances in land surface hydrological processes – field...

Hydrol. Earth Syst. Sci., 13, 833–845, 2009
https://doi.org/10.5194/hess-13-833-2009
© Author(s) 2009. This work is distributed under
the Creative Commons Attribution 3.0 License.

  18 Jun 2009

18 Jun 2009

EAGLE 2006 – Multi-purpose, multi-angle and multi-sensor in-situ and airborne campaigns over grassland and forest

Z. Su1, W. J. Timmermans1, C. van der Tol1, R. Dost1, R. Bianchi2, J. A. Gómez3, A. House4, I. Hajnsek5, M. Menenti6, V. Magliulo6, M. Esposito6, R. Haarbrink7, F. Bosveld8, R. Rothe8, H. K. Baltink8, Z. Vekerdy1, J. A. Sobrino9, J. Timmermans1, P. van Laake10, S. Salama10, H. van der Kwast11, E. Claassen12, A. Stolk13, L. Jia14, E. Moors14, O. Hartogensis15, and A. Gillespie16 Z. Su et al.
  • 1International Institute for Geo-information Sciences and Earth Observation, Department of Water Resources, P.O. Box 6, 7500 AA, Enschede, The Netherlands
  • 2European Space Agency, Earth Observation Center, Via Galileo Galilei, 00044 Frascati, Italy
  • 3Instituto Nacional de Técnica Aeroespacial, Area de Teledetección, Dpto. de Observ. de la Tierra, Teledetección y Atmósfera, Carretera de Ajalvir, p.k. 4 – 28850 Torrejón de Ardoz, Madrid, Spain
  • 4ITRES Research Limited, Suite 110, 3553 – 31st Street NW, Calgary, Alberta, Canada
  • 5German Aerospace Center, Microwaves and Radar Institute, P.O. Box 11 16, 82230 Wessling, Germany
  • 6National Research Council (CNR), Institute for mediterranean agriculture and forest systems (ISAFoM), Via Patacca 85, 80056 Ercolano (NA), Italy
  • 7MIRAMAP, ESA/ESTEC (TEC-ST), P.O. Box 299, 2200 AG, Noordwijk, The Netherlands
  • 8Royal Netherlands Meteorological Institute, P.O. Box 201, 3730 AE, De Bilt, The Netherlands
  • 9Universidad de Valencia, Faculty of Physics, Department of Thermodynamics, Global Change Unit, c/Dr. Moliner, 50, 46100 Burjassot, Spain
  • 10International Institute for Geo-Information Science and Earth Observation, Dept. of Natural Resources, P.O. Box 6, 7500 AA, Enschede, The Netherlands
  • 11Utrecht University, Department of Physical Geography, Faculty of Geosciences, P.O. Box 80.115, 3508 TC, Utrecht, The Netherlands
  • 12FUGRO-Inpark B.V., Dillenburgsingel 69, 2263 HW Leidschendam, The Netherlands
  • 13National Institute for Public Health and the Environment, P.O. Box 1, 3720 BA, Bilthoven, The Netherlands
  • 14Wageningen University and Research Centre, Alterra P.O. Box 47, 6700 AA Wageningen The Netherlands
  • 15Wageningen University, Meteorology and Air Quality Group, P.O. Box 47, 6700 AA Wageningen, The Netherlands
  • 16University of Washington, Johnson Hall 070, P.O. Box 351310, 4000 15th Avenue NE, Seattle, WA 98195-1310, USA

Abstract. EAGLE2006 – an intensive field campaign for the advances in land surface hydrometeorological processes – was carried out in the Netherlands from 8th to 18th June 2006, involving 16 institutions with in total 67 people from 16 different countries. In addition to the acquisition of multi-angle and multi-sensor satellite data, several airborne instruments – an optical imaging sensor, an imaging microwave radiometer, and a flux airplane – were deployed and extensive ground measurements were conducted over one grassland site at Cabauw and two forest sites at Loobos and Speulderbos in the central part of the Netherlands. The generated data set is both unique and urgently needed for the development and validation of models and inversion algorithms for quantitative land surface parameter estimation and land surface hydrometeorological process studies. EAGLE2006 was led by the Department of Water Resources of the International Institute for Geo-Information Science and Earth Observation (ITC) and originated from the combination of a number of initiatives supported by different funding agencies. The objectives of the EAGLE2006 campaign were closely related to the objectives of other European Space Agency (ESA) campaign activities (SPARC2004, SEN2FLEX2005 and especially AGRISAR2006). However, one important objective of the EAGLE2006 campaign is to build up a data base for the investigation and validation of the retrieval of bio-geophysical parameters, obtained at different radar frequencies (X-, C- and L-Band) and at hyperspectral optical and thermal bands acquired simultaneously over contrasting vegetated fields (forest and grassland). As such, all activities were related to algorithm development for future satellite missions such as the Sentinels and for validation of retrievals of land surface parameters with optical and thermal and microwave sensors onboard current and future satellite missions. This contribution describes the campaign objectives and provides an overview of the airborne and field campaign dataset. This dataset is available for scientific investigations and can be accessed on the ESA Principal Investigator Portal http://eopi.esa.int/.

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