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).
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Machine capable of producing mechanical energy from water and then converting it into electricity. The turbine is the main component of a hydropower plant.
Development potential of electricity generation processes in hydropower plants.
"Threshold" value of the flow that triggers the first restrictions for some activities. These measures are taken at the initiative of the prefectural authority in connection with a crisis cell and in accordance with a crisis plan. Below this threshold, one of the functions (or activities) is compromised. To partially restore this function, it is necessary to limit temporarily another: withdrawal or discharge (first restriction measures)…
System designed to remove pollution at source. It comprises a kind of wraparound intake roughly connected to a polluted air exhaust system (blowing - suction).
Device used for withdrawing water (spring, groundwater, river) for a given use.
Total volume of water that has been abstracted and may not be used for a variety of reasons: evaporation, transpiration and integration into products consumed by humans or livestock, direct discharge into the sea or other withdrawals from freshwater resources. Water losses, due to leak during transport between the
Self-monitoring system generally required by law, to check the operation or impact of installations (e.g. wastewater-treatment plants, industrial sites, etc.). Generally speaking, it addresses the assessment water quality at the output of installations classified for environnemental protection, and the control of wastewater-treatment plants and sanitation networks.
Information collection programmes involving public participation in a scientific process. This participation is carried out in particular for the collection of field observations. An example is the Vigie-Nature participatory science programme founded by the National Museum of Natural History.