Rechercher un terme
Action on a river for recovering the entire bed and river banks of the watercourse to achieve the priority goal of increasing the hydraulic capacity of the targeted segment. This implies flow acceleration and therefore an increased flood
Municipal urban planning document, created by the Law on Urban Solidarity and Renewal (SRU) of 13 December 2000 and replacing the land use plan, the local urbanisation plan (PLU) sets out rules for land use. It may also include operational urban planning projects such as the development of existing or new urban districts, public spaces or city entrances, etc. The PLUs must be compatible or made compatible, within three years, with the basic guidelines for sound water resources management and with the water quality and quantity objectives defined by the
Action to rehabilitate a more or less artificialized environment to its original and natural status. By trying to rehabilitate all the physical characteristics of the environment (e.g. meanders recovered in an improved river), revitalization aims to recover all the initial potentials of the environment in terms of biological diversity, self-cleaning capacity, etc. Most ambitious than restoration, revitalization aims to globally recreate the ecological functioning and
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).
Area on which the water that soaks into the ground supplies the abstraction for drinking water.
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.
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.