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Sensors 2008, 8(5), 3460-3481; doi:10.3390/s8053460
Article

Assessing the Potentialities of FORMOSAT-2 Data for Water and Crop Monitoring at Small Regional Scale in South-Eastern France

1,* , 1
,
1
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1, 2, 1, 1, 1, 1 and 1
1 UMR 1114 INRA-UAPV EMMAH, Domaine St Paul, 84914 Avignon, France 2 CNES (DCT/SI/MO) et CESBIO BPI 811, 18 avenue E.Belin, 31401 Toulouse Cedex 9, France
* Author to whom correspondence should be addressed.
Received: 1 February 2008 / Accepted: 20 May 2008 / Published: 23 May 2008
(This article belongs to the Special Issue Remote Sensing of Natural Resources and the Environment)
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Abstract

Water monitoring at the scale of a small agricultural region is a key point to insure a good crop development particularly in South-Eastern France, where extreme climatic conditions result in long dry periods in spring and summer with very sparse precipitation events, corresponding to a crucial period of crop development. Remote sensing with the increasing imagery resolution is a useful tool to provide information on plant water status over various temporal and spatial scales. The current study focussed on assessing the potentialities of FORMOSAT-2 data, characterized by high spatial (8m pixel) and temporal resolutions (1-3 day/time revisit), to improve crop modeling and spatial estimation of the main land properties. Thirty cloud free images were acquired from March to October 2006 over a small region called Crau-Camargue in SE France, while numerous ground measurements were performed simultaneously over various crop types. We have compared two models simulating energy transfers between soil, vegetation and atmosphere: SEBAL and PBLs. Maps of evapotranspiration were analyzed according to the agricultural practices at field scale. These practices were well identified from FORMOSAT-2 images, which provided accurate input surface parameters to the SVAT models.
Keywords: FORMOSAT-2; crop monitoring; evapotranspiration; LAI; albedo; surface temperature FORMOSAT-2; crop monitoring; evapotranspiration; LAI; albedo; surface temperature
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Courault, D.; Bsaibes, A.; Kpemlie, E.; Hadria, R.; Hagolle, O.; Marloie, O.; Hanocq, J.-F.; Olioso, A.; Bertrand, N.; Desfonds, V. Assessing the Potentialities of FORMOSAT-2 Data for Water and Crop Monitoring at Small Regional Scale in South-Eastern France. Sensors 2008, 8, 3460-3481.

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