Zobrazeno 1 - 10
of 85
pro vyhledávání: '"A.A. Van de Griend"'
Autor:
Jean-Pierre Wigneron, Jennifer Grant, A.A. Van de Griend, Alain Kruszewski, S. Schmidl Søbjærg, Niels Skou
Publikováno v:
Grant, J P, Wigneron, J P, vd Griend, A A, Kruszewski, A & Skou, N 2007, ' A field experiment on microwave forest radiometry: L-band signal behaviour for varying conditions of surface wetness ', Remote Sensing of Environment, vol. 109, no. 1, pp. 10-19 . https://doi.org/10.1016/j.rse.2006.12.001
Remote Sensing of Environment, 109(1), 10-19. Elsevier Inc.
Remote Sensing of Environment
Remote Sensing of Environment, Elsevier, 2007, 109 (1), pp.10-19. ⟨10.1016/j.rse.2006.12.001⟩
Remote Sensing of Environment, 109(1), 10-19. Elsevier Inc.
Remote Sensing of Environment
Remote Sensing of Environment, Elsevier, 2007, 109 (1), pp.10-19. ⟨10.1016/j.rse.2006.12.001⟩
International audience; From July-December 2004 the experimental campaign 'Bray 2004' was conducted in the coniferous forest of Les Landes near Bordeaux, France, using a multi-angle L-band (1.4 GHz) radiometer to measure from above the forest at hori
Publikováno v:
IEEE Transactions on Geoscience and Remote Sensing, 42(2), 786-794. Institute of Electrical and Electronics Engineers Inc.
vd Griend, A A & Wigneron, J P 2004, ' The factor b as a Function of Frequency and Canopy Type at H-Polarization. ', IEEE Transactions on Geoscience and Remote Sensing, vol. 42, no. 2, pp. 786-794 . https://doi.org/10.1109/TGRS.2003.821889
IEEE Transactions on Geoscience and Remote Sensing
IEEE Transactions on Geoscience and Remote Sensing, Institute of Electrical and Electronics Engineers, 2004, 42 (4), pp.786-794. ⟨10.1109/TGRS.2003.821889⟩
vd Griend, A A & Wigneron, J P 2004, ' The factor b as a Function of Frequency and Canopy Type at H-Polarization. ', IEEE Transactions on Geoscience and Remote Sensing, vol. 42, no. 2, pp. 786-794 . https://doi.org/10.1109/TGRS.2003.821889
IEEE Transactions on Geoscience and Remote Sensing
IEEE Transactions on Geoscience and Remote Sensing, Institute of Electrical and Electronics Engineers, 2004, 42 (4), pp.786-794. ⟨10.1109/TGRS.2003.821889⟩
For anticipated synergistic approaches of the L-band radiometer on the Soil Moisture and Ocean Salinity (SMOS) mission with higher frequency microwave radiometers such as the Advanced Microwave Scanning Radiometer (AMSR) (C-band), a reanalysis has be
Publikováno v:
Jackson, T J, Hsu, A Y, vd Griend, A A & Eagleman, J R 2004, ' Skylab L-band microwave radiometer observations of soil moisture revisited. ', International Journal of Remote Sensing, vol. 25, no. 13, pp. 2585-2606 . https://doi.org/10.1080/01431160310001647723
International Journal of Remote Sensing, 25(13), 2585-2606. Taylor and Francis Ltd.
International Journal of Remote Sensing, 25(13), 2585-2606. Taylor and Francis Ltd.
In preparing for future L-band passive microwave soil moisture satellite missions, investigators have employed ground, aircraft and satellite sensors. Of the satellite sensors, there has been only one instrument that provides any heritage at L-band:
Autor:
M. Berger, Jean-Christophe Calvet, Thierry Pellarin, A.A. Van de Griend, Jean-Pierre Wigneron, Paolo Ferrazzoli
Publikováno v:
Remote Sensing of Environment, 85, 489-506. Elsevier Inc.
Remote Sensing of Environment
Remote Sensing of Environment, Elsevier, 2003, 85 (4), pp.489-506. ⟨10.1016/S0034-4257(03)00051-8⟩
Wigneron, J P, Calvet, J C, Pellarin, T, vd Griend, A A, Berger, M & Ferrazzoli, P 2003, ' Retrieving near surface soil moisture from microwave radiometric observations: current status and future plans. ', Remote Sensing of Environment, vol. 85, pp. 489-506 . https://doi.org/10.1016/S0034-4257(03)00051-8
Remote Sensing of Environment
Remote Sensing of Environment, Elsevier, 2003, 85 (4), pp.489-506. ⟨10.1016/S0034-4257(03)00051-8⟩
Wigneron, J P, Calvet, J C, Pellarin, T, vd Griend, A A, Berger, M & Ferrazzoli, P 2003, ' Retrieving near surface soil moisture from microwave radiometric observations: current status and future plans. ', Remote Sensing of Environment, vol. 85, pp. 489-506 . https://doi.org/10.1016/S0034-4257(03)00051-8
Surface soil moisture is a key variable used to describe water and energy exchanges at the land surface/atmosphere interface. Passive microwave remotely sensed data have great potential for providing estimates of soil moisture with good temporal repe
Publikováno v:
IEEE Transactions on Geoscience and Remote Sensing
IEEE Transactions on Geoscience and Remote Sensing, Institute of Electrical and Electronics Engineers, 2003, 41 (4), pp.803-811. ⟨10.1109/TGRS.2003.811083⟩
vd Griend, A A, Wigneron, J P & Waldteufel, P 2003, ' Consequences of Surface Heterogeneity for Parameter Retrieval from 1.4 GHz Multi-Angle SMOS Observations ', IEEE Transactions on Geoscience and Remote Sensing, vol. 41, no. 4, pp. 803-811 . https://doi.org/10.1109/TGRS.2003.811083
IEEE Transactions on Geoscience and Remote Sensing, 41(4), 803-811. Institute of Electrical and Electronics Engineers Inc.
IEEE Transactions on Geoscience and Remote Sensing, 2003, 41 (4), pp.803-811. ⟨10.1109/TGRS.2003.811083⟩
IEEE Transactions on Geoscience and Remote Sensing, Institute of Electrical and Electronics Engineers, 2003, 41 (4), pp.803-811. ⟨10.1109/TGRS.2003.811083⟩
vd Griend, A A, Wigneron, J P & Waldteufel, P 2003, ' Consequences of Surface Heterogeneity for Parameter Retrieval from 1.4 GHz Multi-Angle SMOS Observations ', IEEE Transactions on Geoscience and Remote Sensing, vol. 41, no. 4, pp. 803-811 . https://doi.org/10.1109/TGRS.2003.811083
IEEE Transactions on Geoscience and Remote Sensing, 41(4), 803-811. Institute of Electrical and Electronics Engineers Inc.
IEEE Transactions on Geoscience and Remote Sensing, 2003, 41 (4), pp.803-811. ⟨10.1109/TGRS.2003.811083⟩
International audience; The L-band (1.4 GHz) two-dimensional microwave interferometric radiometer, the payload of the Soil Moisture and Ocean Salinity (SMOS) mission, will observe elements of the Earth's surface simultaneously at multiple angles. Com
Autor:
A.A. Van de Griend
Publikováno v:
IEEE Transactions on Geoscience and Remote Sensing. 39:1673-1679
An analysis of nine years of Nimbus/SMMR 6.6 GHz brightness temperatures over central Spain revealed a systematic discrepancy between daytime and nighttime H-polarization emissivities, calculated using independently derived surface temperatures. It w
Autor:
A.A. Van de Griend, Manfred Owe
Publikováno v:
International Journal of Remote Sensing, 22(17), 3521-3532. Taylor and Francis Ltd.
Owe, M & vd Griend, A A 2001, ' On the Relationship between Thermodynamic Surface Temperatures and High Frequency (37 GHz) Vertical Polarization Brightness Temperatures under Semi-arid Conditions. ', International Journal of Remote Sensing, vol. 22, no. 17, pp. 3521-3532 . https://doi.org/10.1080/01431160110063788
Owe, M & vd Griend, A A 2001, ' On the Relationship between Thermodynamic Surface Temperatures and High Frequency (37 GHz) Vertical Polarization Brightness Temperatures under Semi-arid Conditions. ', International Journal of Remote Sensing, vol. 22, no. 17, pp. 3521-3532 . https://doi.org/10.1080/01431160110063788
A method to estimate surface temperature from high-frequency microwave observations is presented. Microwave brightness temperature is a function of the emissivity and the physical temperature of th...
Autor:
Lars-Christer Lundin, Lars Gottschalk, A.A. Van de Griend, Sven-Erik Gryning, A Jochum, Sven Halldin
Publikováno v:
Agricultural and Forest Meteorology. :5-29
The role of the land surface in controlling climate is still underestimated and access to information from the boreal-forest zone is instrumental to improve this situation. This motivated the organ ...
Publikováno v:
IEEE Transactions on Geoscience and Remote Sensing. 34:957-965
A measurement procedure has been developed and tested to determine horizontal and vertical polarization radiative transfer properties, i,e., single scattering albedo (/spl omega/) and optical depth (/spl tau/), of vegetation under field conditions. T
Autor:
A.A. Van de Griend, Manfred Owe
Publikováno v:
Advances in Space Research. 14:45-48
Motorized cable systems for transporting infrared thermometers have been used successfully during several international field campaigns. Systems may be configured with as many as four thermal sensors up to 9 m above the surface, and traverse a 30 m t