Search Results - "Chehbouni, G."

Intercomparison of four remote-sensing-based energy balance methods to retrieve surface evapotranspiration and water stress of irrigated fields in semi-arid climate by Chirouze, J, Boulet, G, Jarlan, L, Fieuzal, R, Rodriguez, J. C, Ezzahar, J, Er-Raki, S, Bigeard, G, Merlin, O, Garatuza-Payan, J, Watts, C, Chehbouni, G

“…Instantaneous evapotranspiration rates and surface water stress levels can be deduced from remotely sensed surface temperature data through the surface energy…”
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The use of high-resolution image time series for crop classification and evapotranspiration estimate over an irrigated area in central Morocco by Simonneaux, V., Duchemin, B., Helson, D., Er-Raki, S., Olioso, A., Chehbouni, A. G.

“…A time series of eight high-resolution Landsat TM images, ranging over the crop season, has been acquired over an irrigated area in central Morocco. From this…”
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Reconstruction of temporal variations of evapotranspiration using instantaneous estimates at the time of satellite overpass by Delogu, E, Boulet, G, Olioso, A, Coudert, B, Chirouze, J, Ceschia, E, Le Dantec, V, Marloie, O, Chehbouni, G, Lagouarde, J.-P

“…Evapotranspiration estimates can be derived from remote sensing data and ancillary, mostly meterorological, information. For this purpose, two types of methods…”
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An empirical expression to relate aerodynamic and surface temperatures for use within single-source energy balance models by Boulet, G., Olioso, A., Ceschia, E., Marloie, O., Coudert, B., Rivalland, V., Chirouze, J., Chehbouni, G.

“…► We propose a new empirical function to relate aerodynamic and surface temperatures to LAI. ► We test it against data collected for 9 crop cycles at 3…”
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An Integrated DSS for Groundwater Management Based on Remote Sensing. The Case of a Semi-arid Aquifer in Morocco by Le Page, Michel, Berjamy, B., Fakir, Y., Bourgin, F., Jarlan, L., Abourida, A., Benrhanem, M., Jacob, G., Huber, M., Sghrer, F., Simonneaux, V., Chehbouni, G.

“…A Decision Support System has been set up as the result of a fruitful cooperation between several public and research institutions in the framework of a large…”
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Linkages between common wheat yields and climate in Morocco (1982–2008) by Jarlan, L, Abaoui, J, Duchemin, B, Ouldbba, A, Tourre, Y. M, Khabba, S, Le Page, M, Balaghi, R, Mokssit, A, Chehbouni, G

“…In Morocco, wheat production shows a high inter-annual variability due to uncertain rainfall. In view of the importance of this resource to the country’s…”
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Spatio‐temporal variability of vegetation cover over Morocco (1982–2008): linkages with large scale climate and predictability by Jarlan, L., Driouech, F., Tourre, Y., Duchemin, B., Bouyssié, M., Abaoui, J., Ouldbba, A., Mokssit, A., Chehbouni, G.

“…The dominant patterns of vegetation cover interannual variability over Morocco are isolated using rotated extended empirical orthogonal functions applied to…”
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A simple algorithm to estimate evapotranspiration from DAIS data: Application to the DAISEX campaigns by Sobrino, J.A., Gómez, M., Jiménez-Muñoz, J.C., Olioso, A., Chehbouni, G.

“…The knowledge of evapotranspiration is of great interest in many applications such as assessing irrigation water use. In this paper, a methodology is presented…”
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A combined modeling and multipectral/multiresolution remote sensing approach for disaggregation of surface soil moisture : Application to SMOS configuration by MERLIN, Olivier, CHEHBOUNI, Abdel G, KERR, Yann H, NJOKU, Eni G, ENTEKHABI, Dara

“…A new physically based disaggregation method is developed to improve the spatial resolution of the surface soil moisture extracted from the Soil Moisture and…”
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Monitoring of irrigated wheat in a semi-arid climate using crop modelling and remote sensing data: Impact of satellite revisit time frequency by Hadria, R., Duchemin, B., Lahrouni, A., Khabba, S., Er-raki, S., Dedieu, G., Chehbouni, A. G., Olioso§, A.

“…The rationale of this research is to investigate approaches based on modelling and remote sensing data for estimating the spatial distribution of yield and…”
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Agrometerological study of semi-arid areas: an experiment for analysing the potential of time series of FORMOSAT-2 images (Tensift-Marrakech plain) by Duchemin, B., Hagolle, O., Mougenot, B., Benhadj, I., Hadria, R., Simonneaux, V., Ezzahar, J., Hoedjes, J., Khabba, S., Kharrou, M. H., Boulet, G., Dedieu, G., Er-Raki, S., Escadafal, R., Olioso, A., Chehbouni, A. G.

“…Earth Observing Systems designed to provide both high spatial resolution (10 m) and high capacity of time revisit (a few days) offer strong opportunities for…”
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Modelling of daily fluxes of water and carbon from shortgrass steppes by Nouvellon, Y., Rambal, S., Lo Seen, D., Moran, M.S., Lhomme, J.P., Bégué, A., Chehbouni, A.G., Kerr, Y.

“…A process-based model for semi-arid grassland ecosystems was developed. It is driven by standard daily meteorological data and simulates with a daily time step…”
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Multidimensional Disaggregation of Land Surface Temperature Using High-Resolution Red, Near-Infrared, Shortwave-Infrared, and Microwave-L Bands by Merlin, O., Jacob, F., Wigneron, Jean-Pierre, Walker, J., Chehbouni, G.

“…Land surface temperature data are rarely available at high temporal and spatial resolutions at the same locations. To fill this gap, the low spatial resolution…”
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Time course of dual angle temperatures: implication for hydraulic properties evaluation by Boulet, G., Chehbouni, G., Magnac, M., Kerr, Y.

“…Evaporation rate after rainfall depends on both available energy and soil moisture. During the drying of the land surface, one can define three stages: 1) when…”
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Synergy between a vegetation growth-SVAT model and remotely sensed data. Application to a semi arid area by Cayrol, P., Kergoat, L., Dedieu, G., Chehbouni, G.

“…The role of vegetation canopies in regulating biosphere-atmosphere interactions has long been recognized. An accurate representation of heat and mass transport…”
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PAR extinction in shortgrass ecosystems: effects of clumping, sky conditions and soil albedo by Nouvellon, Yann, Bégué, Agnès, Susan Moran, M., Seen, Danny Lo, Rambal, Serge, Luquet, Delphine, Chehbouni, Ghani, Inoue, Yoshio

“…The amount of photosynthetically active radiation (PAR) absorbed by a canopy (APAR) is an important driving variable for vegetation processes such as…”
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A combined modeling and multispectral/multiresolution remote sensing approach for disaggregation of surface soil moisture: application to SMOS configuration by Merlin, O., Chehbouni, A.G., Kerr, Y.H., Njoku, E.G., Entekhabi, D.

“…A new physically based disaggregation method is developed to improve the spatial resolution of the surface soil moisture extracted from the Soil Moisture and…”
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Determination of the water volumes used for irrigation in the Haouz plain by remote sensing by Abourida, A., Errouane, S., Cheggour, A., Simonneaux, V., Chehbouni, G.

“…For the last twenty years, the needs of water has increased and implied an overexploitation of the aquifer causing an important drop of the water table. The…”
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Directional effect on thermal infrared measurements over 2D heterogeneous land surface in remote sensing by Coret, L., Briottet, X., Kerr, Y.H., Chehbouni, G.

“…The issue of deriving cross-scale aggregation rules has been heavily investigated during the past two decades. The widely used approach consists of formulating…”
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Estimation of sensible heat flux over sparsely vegetated surfaces by Chehbouni, A., Lo Seen, D., Njoku, E.G., Lhomme, J.-P., Monteny, B., Kerr, Y.H.

“…The approach of using remote sensing of surface temperature to estimate spatially distributed surface energy balance components is very attractive. This…”
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