TERMIUM Plus^®

Fiche 1,  Justifications,  Anglais

Record number: 1, Textual support number: 1 CONT

Index Stack(NDVI [normalized difference vegetation index], NDWI [normalized difference water index], NDSI [normalized difference snow index]). These spectral indices are used to automatically outline landscape features like snow/ice, clouds, vegetation and water in Landsat imagery...  1, fiche 1, Anglais, - normalized%20difference%20snow%20index

Fiche 1,  Justifications,  Français

Fiche 1,  Justifications,  Espagnol

Fiche 2,  Justifications,  Anglais

Record number: 2, Textual support number: 1 CONT

Biomass mapping provides quantifiable estimates of vegetation cover, and biophysical information such as leaf area index(LAI), net primary productivity(NPP) and total biomass accumulations(TBA) measurements-important parameters for measuring the health of our forests, for example.  1, fiche 2, Anglais, - biomass%20mapping

Fiche 2,  Justifications,  Français

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La cartographie de la biomasse fournit des estimations quantifiables de la couverture de la végétation, et des informations biophysiques comme l'indice foliaire (IF), la production primaire brute (PPB) et des mesures d'accumulation de biomasse totale (ABT) - tous des paramètres importants pour mesurer, par exemple, la santé de nos forêts.  1, fiche 2, Français, - cartographie%20de%20la%20biomasse

Fiche 2,  Justifications,  Espagnol

Fiche 3,  Justifications,  Anglais

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The NDVI has been correlated with such physical measurements as total standing biomass green leaf-area index(LAI) and per cent vegetation cover but is probably best described as a relative measure of vegetation vigor and photosynthetic activity.  4, fiche 3, Anglais, - normalized%20difference%20vegetation%20index

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Normalized difference vegetation index(NDVI) is the ratio between the difference and sum of two spectral bands. One band is in the visible spectrum(e. g. avhrr_ch1) and one band in the near IR [infrared]... NDVI provides an estimation of the health of vegetation and the means of monitoring changes in vegetation over time. Values close to zero mean little or no vegetation and values close to +1(0. 6-0. 9) indicate high density of green leaves.  5, fiche 3, Anglais, - normalized%20difference%20vegetation%20index

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normalized difference vegetation index; NDVI : term and abbreviation officially approved by the RADARSAT-2 Terminology Approval Group(RTAG).  6, fiche 3, Anglais, - normalized%20difference%20vegetation%20index

Fiche 3,  Justifications,  Français

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Indice de végétation par différence normalisée (IVDN) [ou] NDVI (normalized difference vegetation index]) est un indice de végétation. Le NDVI se calcule à partir des réflectances mesurées dans les bandes visible rouge et le proche infrarouge, [...] où NIR est la réflexion dans la bande proche infra-rouge, et R est la réflexion dans la bande rouge visible.  2, fiche 3, Français, - indice%20de%20v%C3%A9g%C3%A9tation%20par%20diff%C3%A9rence%20normalis%C3%A9e

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indice de végétation par différence normalisée; indice de Tucker; indice d'activité végétale; NDVI : termes et abréviation uniformisés par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).  6, fiche 3, Français, - indice%20de%20v%C3%A9g%C3%A9tation%20par%20diff%C3%A9rence%20normalis%C3%A9e

Fiche 3,  Justifications,  Espagnol

Fiche 4,  Justifications,  Anglais

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A numerical value used to predict or assess vegetative characteristics such as plant leaf area, total biomass, and general health and vigor of the surface vegetation.  2, fiche 4, Anglais, - vegetation%20index

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Vegetation indices are usually derived from multispectral remote sensing observations. Since growing plants strongly reflect the wavelengths of light in the near-infrared, combinations of measurements in the near-infrared and visible-red portions of the spectra are used to generate a variety of different indices. Perhaps the most common vegetation index is the Normalized Difference Vegetation Index(NDVI)...  2, fiche 4, Anglais, - vegetation%20index

Record number: 4, Textual support number: 2 OBS

vegetation index : term officially approved by the RADARSAT-2 Terminology Approval Group(RTAG).  3, fiche 4, Anglais, - vegetation%20index

Fiche 4,  Justifications,  Français

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Valeur caractérisant un type de végétation, déterminée empiriquement à partir des réflectances obtenues dans différentes bandes spectrales.  1, fiche 4, Français, - indice%20de%20v%C3%A9g%C3%A9tation

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L'indice de végétation peut être normalisé, brut ou intégré temporellement. Il existe plusieurs indices utilisables pour l'étude thématique de la végétation; les plus fréquents sont «l'indice de végétation normalisé», «l'indice d'activité végétale» appelé aussi «indice de Tucker» (en anglais : «normalized difference vegetation index», NDVI), l'indice de végétation brut, l'indice différentiel de végétation (en anglais : «difference vegetation index», DVI).  1, fiche 4, Français, - indice%20de%20v%C3%A9g%C3%A9tation

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indice de végétation : terme uniformisé par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).  2, fiche 4, Français, - indice%20de%20v%C3%A9g%C3%A9tation

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indice de végétation : terme et définition publiés au Journal officiel de la République française le 22 septembre 2000.  3, fiche 4, Français, - indice%20de%20v%C3%A9g%C3%A9tation

Fiche 4,  Justifications,  Espagnol

Fiche 5,  Justifications,  Anglais

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The first step in developing efficient and accurate algorithms for detecting skin in a hyperspectral image is understanding its reflectance properties. This article describes a simple model based on the layers and makeup of skin and how it absorbs and scatters light. Based on the insights gained from the modeled skin reflectance, we develop an efficient skin detection algorithm called the normalized difference skin index(NDSI), motivated by the normalized difference vegetation index(NDVI).  2, fiche 5, Anglais, - normalized%20difference%20skin%20index

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Fiche 5,  Justifications,  Espagnol

Fiche 6,  Justifications,  Anglais

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... a soil/duff drought index [developed by Keetch and Byram (1968]) that ranges from 0 (no drought) to 800 (extreme drought) and is based on soil capacity of 8 inches of water. Factors in the index are maximum daily temperature, daily precipitation, antecedent precipitation, and annual precipitation.  4, fiche 6, Anglais, - Keetch%2DByram%20drought%20index

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The Keetch Byram Drought Index(KBDI) provides a daily measure of soil dryness, which, in turn, gives an indication of water stress in plants. The KBDI represents the net effect of precipitation and evapotranspiration in producing cumulative moisture deficiency in deep duff or upper soil layers. The KBDI has a range from 0(no drought or soil moisture deficiency, i. e. soil at field capacity) to 2000(extreme drought, maximum soil moisture deficiency possible). The index can be viewed as the amount of rain needed to bring the soil back to saturation, with one mm of rain reducing the index by 10 points. The 0-2000 point scale is divided into three drought classes : 0-999=Low; 1000-1499=Moderate; 1500-2000=High. The KBDI is simple to calculate as it uses only two, daily weather observations-maximum temperature and 24-hour rainfall. The system functions in a book-keeping fashion where estimates of daily evapo-transpiration and measurements of precipitation increase or decrease the value of yesterdays index. The KBDI by itself is not a Fire Danger Rating System as it gives no indicate of the ease of ignition of the vegetation, or of the rate of fire spread, fire intensity and difficulty of control. It does however serve as a useful measure of drought occurrence.  7, fiche 6, Anglais, - Keetch%2DByram%20drought%20index

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Keetch-Byram Drought Index (KBDI): ... 0 - 200: Soil moisture and large class fuel moistures are high and do not contribute much to fire intensity. Typical of spring dormant season following winter precipitation. 200 - 400: Typical of late spring, early growing season. Lower litter and duff layers are drying and beginning to contribute to fire intensity. 400 - 600: Typical of late summer, early fall. Lower litter and duff layers actively contribute to fire intensity and will burn actively. 600 - 800: Often associated with more severe drought with increased wildfire occurrence. Intense, deep burning fires with significant downwind spotting can be expected. Live fuels can also be expected to burn actively at these levels.  9, fiche 6, Anglais, - Keetch%2DByram%20drought%20index

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... the Palmer Drought Index (PDI) and the Keetch-Byram Drought Index (KBDI) ... were [both] developed by John Keetch and George Byram, and originally were developed as aids for agriculture. The ... KBDI is used extensively in the eastern states and also in some parts of the west.  10, fiche 6, Anglais, - Keetch%2DByram%20drought%20index

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In the metric system the value of the index is usually assumed to range from 0 to 200 mm (even though 800 points actually corresponds to 204 mm).  3, fiche 6, Anglais, - Keetch%2DByram%20drought%20index

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Keetch-Byram Drought Index [is] a commonly-used drought index adapted for fire management applications ...  11, fiche 6, Anglais, - Keetch%2DByram%20drought%20index

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"Duff" is ... an important term in the fire weather program of the US Forest Service, used to describe the partially decayed organic matter on the forest floor which can become highly combustible during drought periods and contribute to the longevity and spread of forest fires. ... the Keetch-Byram Drought Index is sometimes referred to as the soil/duff drought index because it is a measure of how dry the soil and duff layers are.  6, fiche 6, Anglais, - Keetch%2DByram%20drought%20index

Fiche 6,  Justifications,  Français

Record number: 6, Textual support number: 1 OBS

On écrirait mieux «sècheresse».  2, fiche 6, Français, - indice%20de%20s%C3%A9cheresse%20Keetch%2DByram

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sècheresse : Cette graphie, puisée des Rectifications de l'orthographe recommandées par le Conseil supérieur de la langue française, est attestée dans le Petit Robert (2006).  3, fiche 6, Français, - indice%20de%20s%C3%A9cheresse%20Keetch%2DByram

Fiche 6,  Justifications,  Espagnol

Fiche 7,  Justifications,  Anglais

Record number: 7, Textual support number: 1 DEF

The soil-adjusted vegetation index(SAVI) involves the incorporation of a soil background coefficient,... in order to remove the dependency of the NDVI [Normalized Difference Vegetation Index] on the brightness of the material underlying a vegetated canopy.  2, fiche 7, Anglais, - soil%2Dadjusted%20vegetation%20index

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soil-adjusted vegetation index; SAVI : term and abbreviation officially approved by the RADARSAT-2 Terminology Approval Group(RTAG).  3, fiche 7, Anglais, - soil%2Dadjusted%20vegetation%20index

Fiche 7,  Justifications,  Français

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Indice qui permet d'ajuster la brillance et de compenser les effets d'écart par rapport à l'arrière-plan sol.  3, fiche 7, Français, - indice%20de%20v%C3%A9g%C3%A9tation%20ajust%C3%A9%20pour%20le%20sol

Record number: 7, Textual support number: 1 OBS

indice de végétation ajusté pour le sol; IVCS : terme et abréviation uniformisés par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).  3, fiche 7, Français, - indice%20de%20v%C3%A9g%C3%A9tation%20ajust%C3%A9%20pour%20le%20sol

Fiche 7,  Justifications,  Espagnol

Fiche 8,  Justifications,  Anglais

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The reduction of multispectral scanning measurements to a single value for the purpose of predicting and assessing vegetation characteristics.  2, fiche 8, Anglais, - vegetation%20condition%20index

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An index [used] for drought detection and tracking in many countries of the world.  3, fiche 8, Anglais, - vegetation%20condition%20index

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vegetation condition index; VCI : term and abbreviation officially approved by the RADARSAT-2 Terminology Approval Group(RTAG).  2, fiche 8, Anglais, - vegetation%20condition%20index

Fiche 8,  Justifications,  Français

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L'indice de condition de la végétation (VCI), «Vegetation Condition Index», (Kogan, 1995] conçu pour estimer le stress hydrique est entièrement basé sur le NDVI [Normalized Difference Vegetation Index].  1, fiche 8, Français, - indice%20de%20condition%20de%20la%20v%C3%A9g%C3%A9tation

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Indice utilisé pour la détection et l'observation de la sécheresse dans plusieurs pays.  3, fiche 8, Français, - indice%20de%20condition%20de%20la%20v%C3%A9g%C3%A9tation

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indice de condition de la végétation; VCI : terme et abréviation uniformisés par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).  2, fiche 8, Français, - indice%20de%20condition%20de%20la%20v%C3%A9g%C3%A9tation

Fiche 8,  Justifications,  Espagnol

Fiche 9,  Justifications,  Anglais

Record number: 9, Textual support number: 1 CONT

After the Tasseled Cap transformation of Landsat MSS data, four new separate images are created, including the soil brightness index(SBI), the green vegetation index(GVI), the yellow stuff index(YVI), and a non-such index(NSI) associated with atmospheric effects and image noise.  6, fiche 9, Anglais, - yellow%20vegetation%20index

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yellow vegetation index; YVI : term and abbreviation officially approved by the RADARSAT-2 Terminology Approval Group(RTAG).  7, fiche 9, Anglais, - yellow%20vegetation%20index

Fiche 9,  Justifications,  Français

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L'espace de Kauth-Thomas par exemple est un espace indiciel orthonormé à quatre indices : l'indice de verdure (en angloaméricain : «Greenness Vegetation Index» (GVI), «Greenness Index»), l'indice de luminance du sol (en angloaméricain : «Soil Brightness Index», SBI), l'indice de jaunissement (en angloaméricain : «Yellowness Vegetation Index», YVI), et l'indice inaffecté. [...] Cet espace permet de rendre compte d'un modèle de couvert végétal [...]  2, fiche 9, Français, - indice%20de%20jaunissement

Record number: 9, Textual support number: 1 OBS

indice de jaunissement; YVI : terme et abréviation uniformisés par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).  3, fiche 9, Français, - indice%20de%20jaunissement

Fiche 9,  Justifications,  Espagnol

Fiche 10,  Justifications,  Anglais

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A commonly used vegetation index derived from images of certain spectral bands.  2, fiche 10, Anglais, - transformed%20vegetation%20index

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transformed vegetation index; TVI : term and abbreviation officially approved by the RADARSAT-2 Terminology Approval Group(RTAG).  3, fiche 10, Anglais, - transformed%20vegetation%20index

Fiche 10,  Justifications,  Français

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Indice de végétation couramment utilisé et dérivé d'images issues de certaines bandes spectrales.  2, fiche 10, Français, - indice%20de%20v%C3%A9g%C3%A9tation%20transform%C3%A9

Record number: 10, Textual support number: 1 OBS

indice de végétation transformé; TVI : terme et abréviation uniformisés par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).  2, fiche 10, Français, - indice%20de%20v%C3%A9g%C3%A9tation%20transform%C3%A9

Fiche 10,  Justifications,  Espagnol

Fiche 11,  Justifications,  Anglais

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The Normalized Difference Water Index(NDWI) The NDWI is related to the leaf water content. This information will be fused with the one from WBI [Water Band Index] to derive a qualitative water content evaluation. Since the water content of the leaf can reflect its condition, this index will also provide support for some generic propositions related to vegetation condition.  2, fiche 11, Anglais, - normalized%20difference%20water%20index

Record number: 11, Textual support number: 1 OBS

normalized difference water index; NDWI: term and abbreviation officially approved by the RADARSAT-2 Terminology Approval Group (RTAG).  3, fiche 11, Anglais, - normalized%20difference%20water%20index

Fiche 11,  Justifications,  Français

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Indice qui utilise la luminance et la réflectance des canaux rouge et infrarouge pour déterminer la teneur en eau de la végétation.  2, fiche 11, Français, - indice%20normalis%C3%A9%20d%27eau

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indice normalisé d'eau; NDWI : terme et abréviation uniformisés par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).  2, fiche 11, Français, - indice%20normalis%C3%A9%20d%27eau

Fiche 11,  Justifications,  Espagnol

Fiche 12,  Justifications,  Anglais

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A non-linear index to monitor global vegetation from satellites.  3, fiche 12, Anglais, - global%20environment%20monitoring%20index

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The Global Environment Monitoring Index(GEMI, Pinty and Verstraete 1992), is another method that minimizes atmosphere-induced variations in the vegetation index. The GEMI index also provides greater sensitivity to changes in biomass at high levels of biomass.  3, fiche 12, Anglais, - global%20environment%20monitoring%20index

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global environment monitoring index; GEMI: term and abbreviation officially approved by the RADARSAT-2 Terminology Approval Group (RTAG).  4, fiche 12, Anglais, - global%20environment%20monitoring%20index

Fiche 12,  Justifications,  Français

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Indice obtenu par la combinaison non linéaire de deux canaux spectraux identiques à ceux utilisés dans l'indice de Tucker mais pondérés par des coefficients.  1, fiche 12, Français, - indice%20de%20v%C3%A9g%C3%A9tation%20zonale

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Le GEMI est un indice de végétation non linéaire développé par Pinty & Verstraete (1992) pour minimiser l'effet de l'atmosphère sur la mesure.  2, fiche 12, Français, - indice%20de%20v%C3%A9g%C3%A9tation%20zonale

Record number: 12, Textual support number: 1 OBS

Cet indice est destiné à l'étude de l'état, de la distribution spatiale et de l'évolution temporelle de la couverture végétale, sur une région du globe, à partir de données multibandes de satellites.  1, fiche 12, Français, - indice%20de%20v%C3%A9g%C3%A9tation%20zonale

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indice de végétation zonale; GEMI : terme et abréviation uniformisés par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).  3, fiche 12, Français, - indice%20de%20v%C3%A9g%C3%A9tation%20zonale

Fiche 12,  Justifications,  Espagnol

Fiche 13,  Justifications,  Anglais

Record number: 13, Textual support number: 1 CONT

The performance of SPOT-4, Landsat-7, and RADARSAT-1 SAR satellite data were compared to identify and map surficial deposits. Different spectral indices(normalized difference vegetation index(NDVI), transformed soil adjusted vegetation index(TSAVI), redness index(RI), form index(IF), coloration index(CI), intensity, hue, and saturation) and textural features(mean, standard deviation, angular second moment, entropy, etc.) were extracted from these datasets and used in the mapping process.  1, fiche 13, Anglais, - coloration%20index

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coloration index; CI: term and abbreviation officially approved by the RADARSAT-2 Terminology Approval Group (RTAG).  2, fiche 13, Anglais, - coloration%20index

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Les potentiels des données satellitaires SPOT-4, Landsat-7 et RADARSAT-1 sont comparées afin de cartographier les formations meubles. Différents indices spectraux («normalized difference vegetation index» (NDVI), «transformed soil adjusted vegetation index» (TSAVI), «redness index» (RI), indice de forme (IF), indice de coloration (IC), intensité, teinte et saturation) de même que des indices de texture (moyenne, écart type, second moment angulaire, entropie, etc.) sont extraits de ces images satellitaires.  2, fiche 13, Français, - indice%20de%20coloration

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indice de coloration : terme uniformisé par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).  3, fiche 13, Français, - indice%20de%20coloration

Fiche 13,  Justifications,  Espagnol

Fiche 14,  Justifications,  Anglais

Record number: 14, Textual support number: 1 CONT

After the Tasseled Cap transformation of Landsat MSS data, four new separate images are created, including the soil brightness index(SBI), the green vegetation index(GVI), the yellow stuff index(YVI), and a non-such index(NSI) associated with atmospheric effects and image noise. Generally, the GVI and SBI indexes contain most of the scene information(95% to 98%).  2, fiche 14, Anglais, - non%2Dsuch%20index

Record number: 14, Textual support number: 1 OBS

non-such index; NSI: term and abbreviation officially approved by the RADARSAT-2 Terminology Approval Group (RTAG).  3, fiche 14, Anglais, - non%2Dsuch%20index

Fiche 14,  Justifications,  Français

Record number: 14, Textual support number: 1 CONT

L'espace de Kauth-Thomas par exemple est un espace indiciel orthonormé à quatre indices : l'indice de verdure (en angloaméricain : «Greenness Vegetation Index» (GVI), «Greenness Index»), l'indice de luminance du sol (en angloaméricain : «Soil Brightness Index», SBI), l'indice de jaunissement (en angloaméricain : «Yellowness Vegetation Index», YVI), et l'indice inaffecté. [...] Cet espace permet de rendre compte d'un modèle de couvert végétal [...]  3, fiche 14, Français, - indice%20inaffect%C3%A9

Record number: 14, Textual support number: 1 OBS

indice inaffecté; NSI : terme et abréviation uniformisés par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).  2, fiche 14, Français, - indice%20inaffect%C3%A9

Fiche 14,  Justifications,  Espagnol

Fiche 15,  Justifications,  Anglais

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... areas of sparse vegetation can be misclassified if too much background-soil spectral response is present(Huete et al., 1994). Strategies to remove the soil background effects can be undertaken by using a tasselled cap transformation(Kauth and Thomas, 1976). This method, which creates a "Soil Brightness Index"(SBI), can be plotted to obtain an improved discrimination between the background soil spectra and vegetation.  2, fiche 15, Anglais, - soil%20brightness%20index

Record number: 15, Textual support number: 1 OBS

soil brightness index; SBI: term and abbreviation officially approved by the RADARSAT-2 Terminology Approval Group (RTAG).  3, fiche 15, Anglais, - soil%20brightness%20index

Fiche 15,  Justifications,  Français

Record number: 15, Textual support number: 1 CONT

L'espace de Kauth-Thomas par exemple est un espace indiciel orthonormé à quatre indices : l'indice de verdure (en angloaméricain : «Greenness Vegetation Index» (GVI), «Greenness Index»), l'indice de luminance du sol (en angloaméricain : «Soil Brightness Index», SBI), l'indice de jaunissement (en angloaméricain : «Yellowness Vegetation Index», YVI), et l'indice inaffecté. [...] Cet espace permet de rendre compte d'un modèle de couvert végétal [...]  2, fiche 15, Français, - indice%20de%20luminance%20du%20sol

Record number: 15, Textual support number: 1 OBS

indice de luminance du sol; SBI : terme et abréviation uniformisés par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).  3, fiche 15, Français, - indice%20de%20luminance%20du%20sol

Fiche 15,  Justifications,  Espagnol

Fiche 16,  Justifications,  Anglais

Record number: 16, Textual support number: 1 CONT

The Photochemical Reflectance Index: An optical indicator of photosynthetic radiation use efficiency across species, functional types, and nutrient levels ...  4, fiche 16, Anglais, - photochemical%20reflectance%20index

Record number: 16, Textual support number: 2 CONT

... a new suite of indices have been developed that exploits narrow band spectroradiometric data. The physiological reflectance index (PRI) introduced by Gamon et al. (1992) follows the form of equation 1 and is based on reflectances at 531 nm (band 1) and 570 nm (band 2) wavelengths. Gamon et al. (1997) renamed this the photochemical reflectance index and suggested that the index was a good predictor of photosynthetic radiation use efficiency at the leaf or canopy level, if the canopy is uniform and completely covers the soil background. The index has not shown sensitivity to nutrient stress, but it is affected by water stress with severe wilting ...  3, fiche 16, Anglais, - photochemical%20reflectance%20index

Record number: 16, Textual support number: 3 CONT

Heating treatments increase aboveground net primary production(detectable via the Normalized Difference Vegetation Index, a measure of green biomass) and enhance gross photosynthesis(detectable via the Photochemical Reflectance Index, a measure of xanthophyll cycle pigment activity and relative photosynthetic rate).... Heating enhanced the Photochemical Reflectance Index(PRI) slightly relative to that of controls. This enhancement was most visible near noon, and relaxed by 3 : 00 pm..., suggesting that this effect was a temporally dynamic one reflecting altered physiological activity towards midday.  5, fiche 16, Anglais, - photochemical%20reflectance%20index

Fiche 16,  Justifications,  Français

Record number: 16, Textual support number: 1 CONT

Dans le but d'évaluer la possibilité de mesurer les indices de vigueur des forêts à partir de la réflectance spectrale foliaire, [...] Nous avons mesuré la réflectance des pousses des sapins baumiers de chacun des traitements en laboratoire au moyen d'un spectroradiomètre portatif dont la gamme spectrale s'étendait de 350 nm à 2 500 nm. [...] La plupart des gammes d'ondes ont révélé que les traitements avaient eu des effets marqués, et les gammes d'ondes les plus significatives se trouvaient dans la région d'absorption de la chlorophylle entre 500 nm et 740 nm. [...] Les traitements ont influé sur les indices de réflectance, qui sont définis comme le rapport et l'écart normalisé entre la gamme d'ondes la plus significative à 711 nm et la gamme d'ondes la moins significative à 913 nm (P < 0,0001).  3, fiche 16, Français, - indice%20de%20r%C3%A9flectance

Record number: 16, Textual support number: 2 CONT

[...] nous avons montré que les variations de l'indice de réflectance PRI (physiological reflectance index) étaient liées aux mécanismes de dissipation thermique de l'excès d'énergie absorbée par la végétation et pouvaient être appliquées à la détection du stress hydrique chez la vigne.  2, fiche 16, Français, - indice%20de%20r%C3%A9flectance

Record number: 16, Textual support number: 3 CONT

Des mesures prises au radiomètre sur les tertres de la Butte aux Pierres permettront [...] de coupler les longueurs d'ondes obtenues au sol avec celles du satellite Spot - dont nous utilisons les «images» pour repérer les tertres sablo-terreux en contexte marécageux, et ce grâce aux indices de réflectance distincts selon les qualités de terrain analysées par le biais de l'informatique.  4, fiche 16, Français, - indice%20de%20r%C3%A9flectance

Fiche 16,  Justifications,  Espagnol

Fiche 17,  Justifications,  Anglais

Record number: 17, Textual support number: 1 CONT

... the greenness(or Green Vegetation Index-GVI) refers to green vegetation cover or vegetation biomass above ground...  2, fiche 17, Anglais, - green%20vegetation%20index

Record number: 17, Textual support number: 1 OBS

green vegetation index; GVI : term and abbreviation officially approved by the RADARSAT-2 Terminology Approval Group(RTAG).  4, fiche 17, Anglais, - green%20vegetation%20index

Fiche 17,  Justifications,  Français

Record number: 17, Textual support number: 1 DEF

Mesure de la vigueur de la végétation.  4, fiche 17, Français, - indice%20de%20verdure

Record number: 17, Textual support number: 1 CONT

L'espace de Kauth Thomas par exemple est un espace indiciel orthonormé à quatre indices : l'«indice de verdure» (en angloaméricain : Greenness Vegetation Index, GVI, Greenness Index), l'«indice de luminance du sol» (en angloaméricain : Soil Brightness Index SBI), l'«indice de jaunissement» (en angloaméricain : Yellowness Vegetation Index, YVI), et l'«indice inaffecté». [...] Cet espace permet de rendre compte d'un modèle de couvert végétal dit modèle de canopée [...]  4, fiche 17, Français, - indice%20de%20verdure

Record number: 17, Textual support number: 1 OBS

L'indice de verdeur rend compte de la teneur en chlorophylle des végétaux.  4, fiche 17, Français, - indice%20de%20verdure

Record number: 17, Textual support number: 2 OBS

indice de verdure; indice de verdeur; GVI : termes et abréviation uniformisés par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).  2, fiche 17, Français, - indice%20de%20verdure

Fiche 17,  Justifications,  Espagnol

Fiche 18,  Justifications,  Anglais

Record number: 18, Textual support number: 1 DEF

... BLAI is an index of only dead, standing vegetation...  2, fiche 18, Anglais, - brown%20leaf%20area%20index

Record number: 18, Textual support number: 1 CONT

... we found that the SAR signal was not significantly attenuated by sparse green vegetation cover(green leaf area index < 0. 35) and dense standing brown vegetation cover(brown leaf area index up to 1. 5).  1, fiche 18, Anglais, - brown%20leaf%20area%20index

Record number: 18, Textual support number: 1 OBS

brown leaf area index; BLAI: term and abbreviation officially approved by the RADARSAT-2 Terminology Approval Group (RTAG).  2, fiche 18, Anglais, - brown%20leaf%20area%20index

Fiche 18,  Justifications,  Français

Record number: 18, Textual support number: 1 DEF

Indice de végétation morte telle que laissée derrière par les forestiers.  2, fiche 18, Français, - indice%20de%20la%20surface%20foliaire%20brune

Record number: 18, Textual support number: 1 OBS

indice de la surface folaire brune; BLAI : terme et abréviation uniformisés par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).  2, fiche 18, Français, - indice%20de%20la%20surface%20foliaire%20brune

Fiche 18,  Justifications,  Espagnol

Fiche 19,  Justifications,  Anglais

Record number: 19, Textual support number: 1 CONT

Vegetation monitoring has been one of the main focal points of remote sensing study since remote sensing research began. Many vegetation indices, using red and infrared reflectance, have been devised. The Perpendicular Vegetation Index(PVI), Ratio Index and Normalized Vegetation Index are among the well known indices of this type. The Perpendicular Vegetation Index, proposed by Richardson and Wiegand(1977), was defined as the distance from the soil line on a scatter plot of near infrared(NIR) versus red reflectance. The pixel vectors of bare land in such plots vary with soil moisture content. The PVI was developed as a vegetation index to effectively monitor the vegetation biomass without being affected by differences in soil background.  3, fiche 19, Anglais, - perpendicular%20vegetation%20index

Record number: 19, Textual support number: 1 OBS

perpendicular vegetation index; PVI : term and abbreviation officially approved by the RADARSAT-2 Terminology Approval Group(RTAG).  4, fiche 19, Anglais, - perpendicular%20vegetation%20index

Fiche 19,  Justifications,  Français

Record number: 19, Textual support number: 1 DEF

Indice de végétation utilisé pour la surveillance de la biomasse sans que n'entrent en compte les différences de l'arrière-plan sol.  2, fiche 19, Français, - indice%20de%20v%C3%A9g%C3%A9tation%20perpendiculaire

Record number: 19, Textual support number: 1 OBS

indice de végétation perpendiculaire; PVI : terme et abréviation uniformisés par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).  2, fiche 19, Français, - indice%20de%20v%C3%A9g%C3%A9tation%20perpendiculaire

Fiche 19,  Justifications,  Espagnol

Fiche 20,  Justifications,  Anglais

Record number: 20, Textual support number: 1 CONT

The National Remote Sensing Agency, Government of India has been monitoring agricultural drought since 1989, through RS technology using Normalized Difference Vegetation Index(NDVI) which is the spectral indicator of such crop condition.  1, fiche 20, Anglais, - spectral%20indicator

Fiche 20,  Justifications,  Français

Record number: 20, Textual support number: 1 CONT

La chlorose observée lors d'une sénescence précoce provoquée par un stress suggère une voie d'étude basée sur les modifications spectrales liées à la dégradation des chlorophylles. Tout paramètre spectral associé aux teneurs en chlorophylle peut donc constituer un indicateur spectral de sénescence précoce liée au dépérissement. La longueur d'onde correspondant au point d'inflexion de l'épaulement entre les faibles réflectances du proche infrarouge a fait l'objet d'études allant dans ce sens [...]  1, fiche 20, Français, - indicateur%20spectral

Fiche 20,  Justifications,  Espagnol

Fiche 21,  Justifications,  Anglais

Record number: 21, Textual support number: 1 CONT

The Habitat Quality Index uses statistical analysis to correlate environmental features of a stream with fish population size(Lamb 1989). Considerable data are required related to late summer flow index, annual flow variation, maximum summer temperature, nitrates, benthic invertebrate density, shelter, eroding banks, submerged aquatic vegetation, water velocity, and stream width.  1, fiche 21, Anglais, - late%20summer%20flow%20index

Fiche 21,  Justifications,  Français

Record number: 21, Textual support number: 1 OBS

indice des débits de fin d'été : terme obtenu de M. Yves de Lafontaine, de la section Biologie de l'environnement, Centre Saint-Laurent, à Environnement Canada.  1, fiche 21, Français, - indice%20des%20d%C3%A9bits%20de%20fin%20d%27%C3%A9t%C3%A9

Fiche 21,  Justifications,  Espagnol