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ZERO VEGETATION [2 records]
Record 1 - internal organization data 2017-10-26
Record 1, English
Record 1, Subject field(s)
- Remote Sensing
- Mathematical Geography
- Ecosystems
Record 1, Main entry term, English
- normalized difference vegetation index
1, record 1, English, normalized%20difference%20vegetation%20index
correct, officially approved
Record 1, Abbreviations, English
- NDVI 2, record 1, English, NDVI
correct, officially approved
Record 1, Synonyms, English
- normalized difference vegetation cover index 3, record 1, English, normalized%20difference%20vegetation%20cover%20index
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
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, record 1, English, - normalized%20difference%20vegetation%20index
Record number: 1, Textual support number: 2 CONT
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, record 1, English, - normalized%20difference%20vegetation%20index
Record number: 1, Textual support number: 1 OBS
normalized difference vegetation index; NDVI: term and abbreviation officially approved by the RADARSAT-2 Terminology Approval Group (RTAG). 6, record 1, English, - normalized%20difference%20vegetation%20index
Record 1, Key term(s)
- normalised difference vegetation index
- normalised difference vegetation cover index
Record 1, French
Record 1, Domaine(s)
- Télédétection
- Géographie mathématique
- Écosystèmes
Record 1, Main entry term, French
- indice de végétation par différence normalisée
1, record 1, French, indice%20de%20v%C3%A9g%C3%A9tation%20par%20diff%C3%A9rence%20normalis%C3%A9e
correct, masculine noun, officially approved
Record 1, Abbreviations, French
- IVDN 2, record 1, French, IVDN
correct, masculine noun
- NDVI 2, record 1, French, NDVI
masculine noun, officially approved
Record 1, Synonyms, French
- indice de Tucker 3, record 1, French, indice%20de%20Tucker
correct, masculine noun, officially approved
- indice d'activité végétale 3, record 1, French, indice%20d%27activit%C3%A9%20v%C3%A9g%C3%A9tale
correct, masculine noun, officially approved
- indice différentiel normalisé de végétation 4, record 1, French, indice%20diff%C3%A9rentiel%20normalis%C3%A9%20de%20v%C3%A9g%C3%A9tation
correct, masculine noun
- indice de végétation normalisé 5, record 1, French, indice%20de%20v%C3%A9g%C3%A9tation%20normalis%C3%A9
masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
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, record 1, French, - indice%20de%20v%C3%A9g%C3%A9tation%20par%20diff%C3%A9rence%20normalis%C3%A9e
Record number: 1, Textual support number: 1 OBS
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, record 1, French, - indice%20de%20v%C3%A9g%C3%A9tation%20par%20diff%C3%A9rence%20normalis%C3%A9e
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Teledetección
- Geografía matemática
- Ecosistemas
Record 1, Main entry term, Spanish
- índice de vegetación
1, record 1, Spanish, %C3%ADndice%20de%20vegetaci%C3%B3n
masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
- índice de diferencia normalizada de vegetación 2, record 1, Spanish, %C3%ADndice%20de%20diferencia%20normalizada%20de%20vegetaci%C3%B3n
masculine noun
Record 1, Textual support, Spanish
Record 2 - internal organization data 2010-03-05
Record 2, English
Record 2, Subject field(s)
- Atmospheric Physics
- Plant Biology
- Plant and Crop Production
Record 2, Main entry term, English
- zero of vegetation
1, record 2, English, zero%20of%20vegetation
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- vegetation zero 2, record 2, English, vegetation%20zero
correct
- growing zero 3, record 2, English, growing%20zero
- void of vegetation 4, record 2, English, void%20of%20vegetation
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
The plant has an important response to temperature. The vegetation zero is located at 6°C : potato is thus very sensitive to frost. Tuber formation is best under low temperatures(< 18°C) and short days(12 h) whereas vegetative growth is best when temperatures are high(> 25°C) and days long(between 14 h and 18 h). 2, record 2, English, - zero%20of%20vegetation
Record 2, Key term(s)
- vegetative zero
Record 2, French
Record 2, Domaine(s)
- Physique de l'atmosphère
- Biologie végétale
- Cultures (Agriculture)
Record 2, Main entry term, French
- zéro de végétation
1, record 2, French, z%C3%A9ro%20de%20v%C3%A9g%C3%A9tation
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- zéro biologique 2, record 2, French, z%C3%A9ro%20biologique
masculine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Température au dessous de laquelle un végétal donné (espèce ou variété) ne pousse pratiquement pas. 3, record 2, French, - z%C3%A9ro%20de%20v%C3%A9g%C3%A9tation
Record number: 2, Textual support number: 1 CONT
Le zéro de végétation se situe à 6 °C, ce qui rend la pomme de terre très sensible au gel. La formation du tubercule est optimale lorsque la température est inférieure à 18 °C et que les jours sont courts (12 h). Au contraire, le développement de l'appareil végétatif est favorisé par des températures élevées (> 25 °C) et des jours longs (entre 14 h et 18 h). 4, record 2, French, - z%C3%A9ro%20de%20v%C3%A9g%C3%A9tation
Record number: 2, Textual support number: 2 CONT
La prise en considération d'une température «seuil» ou «de base», To, au-dessous de laquelle le phénomène se trouverait inhibé. [...] Ce progrès ouvrait l'application de la méthode à des espèces dont le To (dit encore «zéro de végétation» ou «zéro biologique») est notablement supérieur au zéro physique [...] 2, record 2, French, - z%C3%A9ro%20de%20v%C3%A9g%C3%A9tation
Record number: 2, Textual support number: 1 OBS
Les zéros de végétation ou de germination correspondent à des seuils climatiques. 5, record 2, French, - z%C3%A9ro%20de%20v%C3%A9g%C3%A9tation
Record number: 2, Textual support number: 2 OBS
Pour de nombreuses espèces cultivées en France (avoine, blé, orge, seigle, colza), le zéro de germination et le zéro de végétation sont voisins de zéro degré Celsius (0 °C). Pour certaines espèces ils sont plus élevés : 1 °C pour la luzerne, 5 °C pour le tournesol et la betterave, 6 °C pour le maïs, 10 °C pour le haricot et le sorgho, 10 °C à 12 °C pour le riz. 5, record 2, French, - z%C3%A9ro%20de%20v%C3%A9g%C3%A9tation
Record 2, Key term(s)
- zéro végétatif
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Física de la atmósfera
- Biología vegetal
- Producción vegetal
Record 2, Main entry term, Spanish
- cero de vegetación
1, record 2, Spanish, cero%20de%20vegetaci%C3%B3n
masculine noun
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
Record 2, Textual support, Spanish
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