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Fiche 1,  Justifications,  Anglais

Record number: 1, Textual support number: 1 DEF

Period of abnormally dry weather sufficiently prolonged to give rise to a shortage of water as evidenced by below normal streamflow and lake levels and/or the depletion of soil moisture and a lowering of groundwater levels.  2, fiche 1, Anglais, - hydrological%20drought

Record number: 1, Textual support number: 1 CONT

Hydrological drought refers to deficiencies in surface and subsurface water supplies. It is measured as streamflow, and as lake, reservoir and ground water levels. There is a time lag between lack of rain and less water in streams, rivers, lakes and reservoirs, so hydrological measurements are not the earliest indicators of drought. When precipitation is reduced or deficient over an extended period of time, this shortage will be reflected in declining surface and subsurface water levels.  3, fiche 1, Anglais, - hydrological%20drought

Record number: 1, Textual support number: 2 CONT

Drought is viewed as a sustained and regionally extensive occurrence of below average natural water availability, either in the form of precipitation, river runoff, or groundwater. Droughts may be classified as meteorological or hydrological : A Meteorological Drought occurs when there is below average availability of precipitation.... A Hydrological Drought is marked by a deficit in the runoff of rivers where discharge(flow) remains below a low threshold or the rivers dry up completely and remain dry for a very long time and a significant natural depletion of aquifers(groundwater). The low threshold flow is the 10-year return period 7-day minimum mean flow.  4, fiche 1, Anglais, - hydrological%20drought

Fiche 1,  Justifications,  Français

Record number: 1, Textual support number: 1 DEF

Période de temps anormalement sec, suffisamment prolongée pour entraîner une pénurie d'eau caractérisée par un abaissement significatif de l'écoulement des cours d'eau, des niveaux des lacs et/ou des nappes souterraines, les amenant à des valeurs inférieures à la normale, et/ou un assèchement anormal du sol.  2, fiche 1, Français, - s%C3%A9cheresse%20hydrologique

Record number: 1, Textual support number: 1 CONT

[...] si la sécheresse est un risque limité dans le temps, elle n'agit pas moins directement sur l'ensemble du milieu car son impact se transmet de la pluie (sécheresse climatique) au sol (sécheresse édaphique) aux produits de la terre (sécheresse agricole) et aux nappes aquifères (sécheresse hydrologique).  3, fiche 1, Français, - s%C3%A9cheresse%20hydrologique

Record number: 1, Textual support number: 1 OBS

On écrirait mieux «sècheresse».  4, fiche 1, Français, - s%C3%A9cheresse%20hydrologique

Record number: 1, Textual support number: 2 OBS

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).  5, fiche 1, Français, - s%C3%A9cheresse%20hydrologique

Fiche 1,  Justifications,  Espagnol

Record number: 1, Textual support number: 1 DEF

Período de clima anormalmente seco lo suficientemente prolongado para ocasionar una disminución apreciable en el caudal de los ríos, nivel de los lagos y/o un agotamiento de la humedad del suelo y un descenso en los niveles de aguas subterráneas por debajo de sus valores normales.  1, fiche 1, Espagnol, - sequ%C3%ADa%20hidrol%C3%B3gica

Fiche 2,  Justifications,  Anglais

Record number: 2, Textual support number: 1 DEF

... drought that occurs when precipitation is significantly below normal over a long period.  2, fiche 2, Anglais, - meteorological%20drought

Record number: 2, Textual support number: 1 CONT

Meteorological drought is usually an expression of precipitation’s departure from normal over some period of time. These definitions are usually region-specific, and presumably based on a thorough understanding of regional climatology. The variety of meteorologic definitions from different countries at different times illustrates why it is folly to apply a definition of drought developed in one part of the world to another: United States (1942): less than 2.5 mm of rainfall in 48 hours. Great Britain (1936): fifteen consecutive days with daily precipitation totals of less than .25 mm. Libya (1964): when annual rainfall is less than 180 mm. India (1960): actual seasonal rainfall is deficient by more than twice the mean deviation. Bali (1964): a period of six days without rain. Meteorological measurements are the first indicators of drought.  3, fiche 2, Anglais, - meteorological%20drought

Record number: 2, Textual support number: 1 OBS

Drought is viewed as a sustained and regionally extensive occurrence of below average natural water availability, either in the form of precipitation, river runoff, or groundwater. Droughts may be classified as meteorological or hydrological : A Meteorological Drought occurs when there is below average availability of precipitation. The National Meteorological Service(NMS) subdivides meteorological drought into three categories : drought, extreme drought, and severe drought. Drought is defined as less than 60%(range 41-60) of normal rainfall over 8 consecutive weeks. Extreme drought is defined as less than 40%(range 21-40) of the normal rainfall over 8 consecutive weeks. Severe drought is defined as less than 20%(range 0-20) of the normal rainfall over 8 consecutive weeks. The normal rainfall is the thirty year mean.  4, fiche 2, Anglais, - meteorological%20drought

Fiche 2,  Justifications,  Français

Record number: 2, Textual support number: 1 DEF

[...] sécheresse qui survient lorsque les précipitations sont bien inférieures à la normale au cours d'une longue période.  1, fiche 2, Français, - s%C3%A9cheresse%20m%C3%A9t%C3%A9orologique

Record number: 2, Textual support number: 1 OBS

On écrirait mieux «sècheresse».  2, fiche 2, Français, - s%C3%A9cheresse%20m%C3%A9t%C3%A9orologique

Record number: 2, Textual support number: 2 OBS

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 2, Français, - s%C3%A9cheresse%20m%C3%A9t%C3%A9orologique

Fiche 2,  Justifications,  Espagnol

Record number: 2, Textual support number: 1 DEF

Sequía que se produce cuando la precipitación desciende mucho más de lo previsto en un área extensa durante un período prolongado.  1, fiche 2, Espagnol, - sequ%C3%ADa%20meteorol%C3%B3gica

Fiche 3,  Justifications,  Anglais

Record number: 3, Textual support number: 1 DEF

Day on which precipitation is observed.  4, fiche 3, Anglais, - precipitation%20day

Record number: 3, Textual support number: 1 CONT

Precipitation falls in the form of light rain (up to 6 days a month with precipitation). But in October about half of each day of precipitation is in the form of snow.  2, fiche 3, Anglais, - precipitation%20day

Record number: 3, Textual support number: 2 CONT

Event type(rain-on-snow, rain, and mixed) was determined retrospectively... using the snowpack module of a distributed-parameter hydrologic model... to estimate snowpack water content. Each day with precipitation was defined as rain, snow, or mixed based on air temperature criteria.... Rain-on-snow events were defined as rain events in conjunction with snowpack water content exceeding 0. 25 cm and an antecedent three-day average temperature below 0°C...  3, fiche 3, Anglais, - precipitation%20day

Record number: 3, Textual support number: 1 OBS

The minimum amount of collected water which is considered necessary to constitute a precipitation day varies from country to country but is generally 0.1 mm [or 0.005 inch].  4, fiche 3, Anglais, - precipitation%20day

Record number: 3, Textual support number: 2 OBS

Precipitation: Any or all of the forms of water particles, whether liquid (e.g. rain, drizzle) or solid (e.g. hail, snow), that fall from a cloud or group of clouds and reach the ground.  5, fiche 3, Anglais, - precipitation%20day

Fiche 3,  Justifications,  Français

Record number: 3, Textual support number: 1 DEF

Jour au cours duquel on observe de la précipitation.  4, fiche 3, Français, - jour%20de%20pr%C3%A9cipitation

Record number: 3, Textual support number: 1 CONT

En météorologie, on repère les jours caractérisés par un événement climatique, en particulier : - jours avec neige [...] - jours d'enneigement [...] - jours de pluie (ou jours avec précipitations) si on a recueilli une hauteur de précipitation d'au moins 0,1 millimètre durant les vingt-quatre heures, - jours de grêle [...]  3, fiche 3, Français, - jour%20de%20pr%C3%A9cipitation

Record number: 3, Textual support number: 2 CONT

Le climat du Bassin de Rennes [...] On relève 649 mm de précipitations donc de hauteur d'eau en 797 heures sur 175 jours de précipitations dont 160 jours de pluie, 6 jours de grêle, et 9 jours de neige.  2, fiche 3, Français, - jour%20de%20pr%C3%A9cipitation

Record number: 3, Textual support number: 1 OBS

La hauteur minimale d'eau recueillie considérée comme nécessaire pour constituer un jour de précipitation est variable suivant les pays, mais en adopte généralement 0,1 mm ou 0,005 pouce.  4, fiche 3, Français, - jour%20de%20pr%C3%A9cipitation

Record number: 3, Textual support number: 2 OBS

Les pluviomètres recueillent indifféremment toute l'eau atmosphérique sous ses divers états (brouillards, averses, neiges, etc.). Le total, mesuré par la tranche en millimètres, porte le nom de «précipitation».  5, fiche 3, Français, - jour%20de%20pr%C3%A9cipitation

Fiche 3,  Justifications,  Espagnol

Record number: 3, Textual support number: 1 DEF

Día en que se observa precipitación.  1, fiche 3, Espagnol, - d%C3%ADa%20con%20precipitaci%C3%B3n

Record number: 3, Textual support number: 1 CONT

El mínimo de agua que debe recogerse para que se considere un día con precipitación varía de un país a otro, pero en general, es de 0,1 mm.  1, fiche 3, Espagnol, - d%C3%ADa%20con%20precipitaci%C3%B3n