Dynamics of atmospheric precipitation in the area of the therapeutic sulfide mud deposits of Lake Bolshoy Tambukan
Abstract
Dynamics of atmospheric precipitation in the area of the therapeutic sulfide mud deposits of Lake Bolshoy Tambukan
Incoming article date: 02.11.2017The Bolshoy Tambukan Lake bowl is located in an area of extremely favorable hydrological and hydrogeological conditions. This location contributes to natural permanent feeding of water through the atmospheric channel directly to the lake surface and through surface and underground runoff. The absence of a significant increase of the amount of precipitation based on an analysis of their trend in the period from 1911 to 2000 at the weather station "Pyatigorsk" is shown for the first time. An analysis of the results obtained for more than 30 years of observation at the Tambukan weather station indicates a slight increase in atmospheric precipitation, while the level of water in the lake was rised dangerously. One of the main reasons why increase in the water level in the lake happened is unreasonable anthropogenic impact. The lake area afforestation, creation of artificial dams, shafts and ditches in some areas on the shore of the lake lead to accumulation of large volumes of water due to rainfall which then is discharged into the lake through surface and ground runoff.
Keywords: sulphide therapeutic mud, Bolshoy Tambukan, atmospheric precipitation, groundwater level, surface runoff, ground runoff