Powered by OpenAIRE graph
Found an issue? Give us feedback
image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ CemOAarrow_drop_down
image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
CemOA
2009
Data sources: CemOA
addClaim

This Research product is the result of merged Research products in OpenAIRE.

You have already added 0 works in your ORCID record related to the merged Research product.

Etude du potentiel du capteur radar TerraSAR en bande X pour le suivi de la culture de canne à sucre sur l'île de La Réunion

Authors: Cresson, R.;

Etude du potentiel du capteur radar TerraSAR en bande X pour le suivi de la culture de canne à sucre sur l'île de La Réunion

Abstract

Remote sensing images allow the monitoring of field techniques among crops. CIRAD and SPOT imaging set up between 2003 and 2005 a powerful tool to help the management of sugar cane crops within the framework of GIS and optical images (SUCRETTE project). CIRAD sets up MARGOUILLA in 2009, its own project in La Réunion. The purpose of this training period is to study the potentiality of the RADAR images to characterize the cultural stage of sugar cane crops (harvested mapping), in order to increment and to fulfill information already acquired by optical images. That said, we focused on the influence on three different parameters affecting the RADAR signal: incident angle, polarization, thanks to RADAR images acquired by the sensor TERRASAR-X (X Band). First, we studied backscatter coefficient values (σ) of sugar cane reference field at different dates and secondly, analyze the temporal evolution of σ. We observed on several points the RADAR signal sensibility at different growing stage of sugar cane, validating a characterization potential. Nonetheless, this potential remains limited for soil and sugar cane under moisture (causing by rain) which could be confused with other growing stage. / Les images satellitaires permettent d'étudier les pratiques agricoles de cultures diverses. Le CIRAD et SPOT Image ont mis en place entre 2003 et 2005 un outil d'aide à la gestion de la culture de la canne à sucre avec un SIG et les images optiques (projet SUCRETTE). Le CIRAD installe en 2009 à La Réunion son propre projet, baptisé MARGOUILLA. L'objectif de ce stage est de prolonger ces travaux et d'évaluer le potentiel des images RADAR à caractériser les états culturaux des parcelles de cannes à sucre (cartographie des coupes), afin d'enrichir et de compléter les informations déjà obtenues avec les images optiques. Pour cela, nous avons analysé plus précisément l'influence sur le signal RADAR des paramètres suivants : angle d'incidence et polarisation grâce à l'analyse d'images RADAR acquises par le capteur hyperfréquence TERRASAR-X (bande X). Nous nous sommes intéressés aux valeurs de coefficient de rétrodiffusion (σ°) des parcelles de canne à sucre de référence à différentes dates et nous avons suivi dans un second temps l'évolution dans le temps de σ°. Nous avons observé sous plusieurs approches la sensibilité du signal RADAR aux différents stades de développement de la canne à sucre. Les résultats confirment bien le fort potentiel de caractérisation de ces stades.

Keywords

SATELLITE IMAGE, RADAR RETURN, IMAGE SATELLITE, CANNE A SUCRE, ACTIVITE AGRICOLE, TELEDETECTION, RETRODIFFUSION RADAR, RADAR, SUGARCANE, REMOTE SENSING

  • BIP!
    Impact byBIP!
    citations
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    0
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Average
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Average
  • citations
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    0
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Average
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Average
    Powered byBIP!BIP!
Powered by OpenAIRE graph
Found an issue? Give us feedback
citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Related to Research communities
Assessing the socio-economic impact of digitalisation in rural areas