Hydrometeorological monitoring in the Nizhny Novgorod NPP siting area

Ensuring the technological and environmental safety of nuclear power plants (NPP) involves the collection and analysis of data on the state of the natural environment near nuclear power plants, including the atmosphere and surface waters. To obtain and organize such data, as well as for their subsequent processing and engineering calculations, appropriate monitoring observations are provided. The latter begin to be carried out long before the start of NPP construction and continue at all stages of the NPP life cycle, including the periods of construction, operation and decommissioning of the plant. The purpose of this research is to summarize the results of hydrometeorological monitoring at the Nizhny Novgorod NPP site and its vicinity, which was launched by the Scientific & Industrial Association Gidrotekhproekt in 2011. The description of stationary observation points and examples of calculation of regime hydrological and meteorological characteristics are given. It is noted that the accumulation of observation data series over a long period of time, which make it possible to identify potential climate changes in the study area, is of great importance