UnivTrevesV1, Main, Exploration, bibRecord, 001E50

The use of GRAMI crop growth model and SPOT data for biomass estimations in winter wheat

Identifieur interne : 001E50 ( Main/Exploration ); précédent : 001E49; suivant : 001E51

The use of GRAMI crop growth model and SPOT data for biomass estimations in winter wheat

Auteurs : Clement Atzberger [Allemagne] ; Martine Guerif [France] ; Richard Delecolle [France]

Source :

RBID : Pascal:02-0127564

Descripteurs français

Pascal (Inist)
- Télédétection spatiale, SPOT, Végétation, Agriculture, Modèle, Croissance, Biomasse, Pouvoir réflecteur, France, Feuille, Statistique, Paramétrisation, Blé d'hiver, GRAMI, Canopée, SPECAN, Camargue.
Wicri :
- geographic : France.
- topic : Biomasse, Statistique.

English descriptors

KwdEn :
- France, Space remote sensing, Spot, agriculture, biomass, growth, leaves, models, reflectance, statistics, vegetation.

Abstract

The GRAMI crop growth model was coupled with the SPECAN canopy reflectance model to estimate growth of winter wheat in the Camargue region (France). The re-parameterization approach allowed acceptable biomass and LAI estimates even without an a priori knowledge of sowing dates and when driven solely by weather data derived from existing meteorological networks. Final yield, on the other hand, has not been estimated correctly. This has been traced back to the rather simple way in which final yield is calculated and due to its small variability in the test sites.

Affiliations:

Links toward previous steps (curation, corpus...)

to stream PascalFrancis, to step Corpus: 000D80
to stream PascalFrancis, to step Curation: 000156
to stream PascalFrancis, to step Checkpoint: 000B69
to stream Main, to step Merge: 002125
to stream Main, to step Curation: 001E50

Le document en format XML

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<term>growth</term>
<term>leaves</term>
<term>models</term>
<term>reflectance</term>
<term>statistics</term>
<term>vegetation</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Télédétection spatiale</term>
<term>SPOT</term>
<term>Végétation</term>
<term>Agriculture</term>
<term>Modèle</term>
<term>Croissance</term>
<term>Biomasse</term>
<term>Pouvoir réflecteur</term>
<term>France</term>
<term>Feuille</term>
<term>Statistique</term>
<term>Paramétrisation</term>
<term>Blé d'hiver</term>
<term>GRAMI</term>
<term>Canopée</term>
<term>SPECAN</term>
<term>Camargue</term>
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<front><div type="abstract" xml:lang="en">The GRAMI crop growth model was coupled with the SPECAN canopy reflectance model to estimate growth of winter wheat in the Camargue region (France). The re-parameterization approach allowed acceptable biomass and LAI estimates even without an a priori knowledge of sowing dates and when driven solely by weather data derived from existing meteorological networks. Final yield, on the other hand, has not been estimated correctly. This has been traced back to the rather simple way in which final yield is calculated and due to its small variability in the test sites.</div>
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The use of GRAMI crop growth model and SPOT data for biomass estimations in winter wheat

The use of GRAMI crop growth model and SPOT data for biomass estimations in winter wheat

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri