UnivTrevesV1, PascalFrancis, Checkpoint, bibRecord, 000C88

Mapping complex patterns of erosion and stability in dry mediterranean ecosystems

Identifieur interne : 000C88 ( PascalFrancis/Checkpoint ); précédent : 000C87; suivant : 000C89

Mapping complex patterns of erosion and stability in dry mediterranean ecosystems

Auteurs : Joachim Hill [Allemagne] ; Brigitta Schütt [Allemagne]

Source :

Remote sensing of environment [ 0034-4257 ] ; 2000.

RBID : Pascal:01-0086123

Descripteurs français

Pascal (Inist)
- Espagne, Province Murcia, Zone méditerranéenne, Province Almeria, Matière organique, Erosion sol, Ecosystème, Pouvoir réflecteur, Cartographie, Carbone organique, Concentration, Sol, Modèle, Précision, Méthode satellite, LANDSAT, Imagerie, Thematic Mapper, Agriculture, Indicateur, Dégradation, Télédétection spatiale.
Wicri :
- geographic : Espagne.
- topic : Cartographie.

English descriptors

KwdEn :
- Almeria Spain, Landsat, Mediterranean zone, Murcia Spain, Space remote sensing, Spain, Thematic Mapper, accuracy, agriculture, cartography, concentration, degradation, ecosystems, imagery, indicators, models, organic carbon, organic materials, reflectance, satellite methods, soil erosion, soils.

Abstract

Parametrizing soil reflectance spectra with variables related to specific shape characteristics of the spectral profile permits organic carbon concentrations in soils to be estimated on the basis of regionally validated regression models. An important feature of the approach is that it can not only be applied to continuous spectra but, without notable loss in accuracy, also to the spectral resolution of operational earth observation satellites such as the Landsat-TM or -ETM systems. Using this type of imagery, it can also be shown that soil organic matter is positively correlated to growth conditions for cereal crops in dryland agriculture. Strong correlations with qualitative erosion indicators that can be derived through spectral unmixing approaches demonstrate that soil organic matter is an important indicator for assessing land degradation processes in dry ecosystems from space.

Affiliations:

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Pascal:01-0086123

Le document en format XML

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<term>degradation</term>
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<front><div type="abstract" xml:lang="en">Parametrizing soil reflectance spectra with variables related to specific shape characteristics of the spectral profile permits organic carbon concentrations in soils to be estimated on the basis of regionally validated regression models. An important feature of the approach is that it can not only be applied to continuous spectra but, without notable loss in accuracy, also to the spectral resolution of operational earth observation satellites such as the Landsat-TM or -ETM systems. Using this type of imagery, it can also be shown that soil organic matter is positively correlated to growth conditions for cereal crops in dryland agriculture. Strong correlations with qualitative erosion indicators that can be derived through spectral unmixing approaches demonstrate that soil organic matter is an important indicator for assessing land degradation processes in dry ecosystems from space.</div>
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	Serveur d'exploration sur l'Université de Trèves
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Serveur d'exploration sur l'Université de Trèves

Mapping complex patterns of erosion and stability in dry mediterranean ecosystems

Mapping complex patterns of erosion and stability in dry mediterranean ecosystems

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