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Affichage des termes 1 à 25 sur un total de 188

Climate change

Updated on 04/12/2018
Définition
Sens commun
Long lasting and measurable modification of the climate. According to the sources, the term climate change can encompass natural and anthropogenic changes (for IPCC, for example) or only changes related to human activity (according to the UN Framework Convention on Climate Change).
Source
according to IPCC

Climatology

Updated on 04/12/2018
Définition
Sens commun
Study of the action of meteorological phenomena on different parts of the planet, of their mutual reactions, of their temporal evolution, and of different climates.
Source
according to the Robert dictionary

Pluviometry

Updated on 06/09/2018
Définition
Sens commun
Study of precipitations, their nature (rain, snow, soft hail, fog), their distribution and the techniques used for their measurement. Rainfall, with the distribution of Earth's temperature, conditions terrestrial climates, the nature and functioning of ecosystems and their primary productivity. It is one of the factors conditioning the development of human societies.
Source
according to Wikipedia

Drought

Updated on 18/03/2020
Définition
Sens commun

State of the soil or of an environment resulting from a lack of rain. It generally occurs when the amount of rain is significantly lower than seasonal norms, and this over a fairly long period.

Source
According to International Office for Water

Meteorological drought

Updated on 18/03/2020
Définition
Sens commun

A type of drought corresponding to a pronounced and prolonged deficit of precipitation.

Source
according to Météo France

Soil drought

Updated on 18/03/2020
Définition
Sens commun

A type of drought characterized by a water deficit in the surface soils (between 1 and 2 m deep), sufficient to alter the good development of vegetation.

Source
according to Météo France

Hydrological drought

Updated on 08/07/2019
Définition
Sens commun

Type of drought affecting water levels in environments: lakes, rivers or groundwater show abnormally low levels. It depends on precipitation but also on the state of the soil affecting runoff and infiltration.

Source
according to Météo France

Green Budget

Updated on 28/10/2020
Définition
Sens commun

Nouvelle classification des dépenses de l’État afin d'évaluer leur impact au regard de 6 objectifs environnementaux :

  •  Lutte contre le changement climatique (mesures d’atténuation) ;
  •  Adaptation au changement climatique et prévention des risques naturels ;
  •  Gestion de la ressource en eau ;
  •  Économie circulaire, déchets et prévention des risques technologiques ;
  •  Lutte contre les pollutions (air, sols, bruit…) ;
  •  Biodiversité et protection des espaces naturels, agricoles et sylvicoles.

Le budget vert confirme un budget pour 2021 à la hauteur de ses ambitions environnementales. La France, est le premier pays au monde à réaliser une évaluation environnementale de l’ensemble de son budget.

Source
Sens technique

Nouvelle classification des dépenses budgétaires et fiscales selon leur impact sur l’environnement et identification des ressources publiques à caractère environnemental. Celle-ci permet d’évaluer la compatibilité du budget aux engagements de la France comme l’accord de Paris sur le climat.

 

Source
d'après Ministère de l'économie des finances

Major natural risk

Updated on 18/03/2021
Définition
Sens commun

Risque lié à un aléa d’origine naturelle dont les effets prévisibles mettent en jeu un grand nombre de personnes, des dommages importants et dépassent les capacités de réaction des instances directement concernées.

Les principaux risques naturels majeurs présents sur le territoire sont les inondations, les avalanches, les feux de forêt, les mouvements de terrain, les tempêtes et les séismes, les éruptions volcaniques (en Martinique et ailleurs dans le monde)...

 

Source
d'après Ministère en charge de l'environnement et INRS

Global Change

Updated on 05/03/2019
Définition
Sens commun

Induced change in the dynamics of the biosphere by human activities, directly or not.

Source
d'après Agence de l'eau Rhin-Meuse

Flood forecasting service

Updated on 13/07/2018
Définition
Sens technique
Service in charge of predicting hazardous situations caused by heavy floods, in partnership with Météo-France. The flood forecasting Service (SPC) warns the Prefect in case of alarm and prepares the information to be disseminated to the mayors. The Civil Protection Service of the prefecture is in turn responsible for alerting the mayors by suitable means and providing them with the information developed by the
Source
According to Rhine-Meuse Water Agency

Hazard

Updated on 19/06/2018
Définition
Sens commun
Nature, occurrence, intensity and duration of a threatening phenomenon.
Source
According to SOeS

Average annual rainfall

Updated on 19/06/2018
Définition
Sens commun
Average rainfall over a year: it is obtained mostly by adding the average daily rainfalls of the year and dividing the result by the number of days in the year.
Source
According to AFB

Runoff water

Updated on 19/06/2018
Définition
Sens commun
Rainwater flowing on the ground.
Source
According to BRGM

Nautical meteorology

Updated on 13/07/2018
Définition
Sens commun
Marine meteorology when it concerns navigation. It essentially deals with sea conditions and forecast, visibility, wind, etc.
Source
According to the International Hydrographic Organization

Meteorology

Updated on 19/06/2018
Définition
Sens commun
Science of the atmosphere.
Source
According to the International Hydrographic Organization

Precipitation

Updated on 19/06/2018
Définition
Sens commun
Total volume of atmospheric precipitation, whether in the solid or liquid state (rain, snow, hail, fog, frost, dew, etc), usually measured by meteorological or hydrological institutes.
Source
According to Eurostat

Water abstraction

Updated on 25/02/2019
Définition
Sens commun

Extraction of fresh water from a groundwater source or surface, permanently or temporarily, and conveyed to the place of use. Water abstractions include all activities related levies generated by agriculture, industry (including energy), the supply of drinking water, or other (mineral spring authorized, production artificial snow).

Source
according to AFB, IOWater, SOeS and OCDE

Abstraction supply zones

Updated on 25/02/2019
Définition
Sens technique

Area on which the water that soaks into the ground supplies the abstraction for drinking water.

Source
According to the Ministry for the Environment and the Ministry for the Agriculture

Flood warning

Updated on 08/04/2020
Définition
Sens commun

Warning issued in advance by the departmental flood forecasting services. In the event of heavy rainfall or hydrological alert, a flood warning is sent to the Prefect, who then alerts the mayors of the catchment areas concerned.

Source
according to OFB
Sens technique

Warning issued in advance by a special state service (flood forecasting service). In the event of a rainfall or hydrological alert (triggering when thresholds are exceeded), the flood forecasting service offers the Prefect the alert of the mayors of the watersheds concerned. As a severe overflow flood, the flood warning service broadcasts, for prefects and mayors, hydrological situation bulletins and information on the evolution of water levels . In 1994, 54 flood warning services monitored 16,000 km of waterways in France using automated measurement networks.

Source
According to Ministry of the Environment and OFB

Hydrological balance

Updated on 06/09/2018
Définition
Sens technique
Accounting of the changes in water resources (stream flows, groundwater level, effective rainfall) of an area (for example a catchment area) based on meteorological, piezometric or hydrological information.
Source
according to AFB

Hydropower plant

Updated on 04/12/2018
Définition
Sens commun
Facility that produces electricity by the force of moving water.
Source
according to AFB
Sens technique
Hydroelectric facility transforming hydraulic energy into electricity, whose power usually varies from a few kW to 4,500 kW.
Source
according to IFREMER

Dam release

Updated on 06/09/2018
Définition
Sens technique
Operation to lower water level and increase outflow rates to discharge some of the sediment retained by a dam. A dam release consists in opening the gates, thus limiting the silting of the dam reservoir and the risk of flooding. This operation, although common in the management of harnessed rivers, can have adverse effects on the downstream environment (decrease of oxygen levels in water, obstruction of fish gills by suspended solids, etc.).
Source
according to ISTREA

Stagnant water

Updated on 06/09/2018
Définition
Sens commun
Still water in parts of a river, lake or other aquatic environment.
Source
according to UNESCO

Green water

Updated on 06/09/2018
Définition
Sens commun
Water contained in the soil and available for plants.
Source
according to AFB