Changes in the Ecological Condition of a Territory at the Construction of Buildings with a Deep Foundation under Various Geological Conditions in Moscow

Water Resources - Mathematical modeling was used to identify zones with different magnitudes of the barrage effect on the construction of buildings with deep-laid foundation in the Moscow region....     

Principles of MSW Landfill Sites’ Placement Depending on Geological and Hydrogeological Conditions of Territories (Based on Moscow Region)

Water Resources - More than 31 billion tons of unutilized waste have accumulated in Russia, and this amount is increasing every year. The dump sites’ locations require profound scientific...     

Groundwater quality formaiton at water intakes of lacustrine type

The results of many-year hydrochemical observations in several water intakes on the Valdai Hills are generalized. The formation of groundwater quality in karst carbonate deposits is studied. The extent of interaction between operated aquifers and the accumulation of some toxicants in bottom sediments of lake systems is analyzed.     

Assessing the Hazard of Environmental Pollution by Landfills of Industrial and Municipal Wastes

Water Resources - The environmental effect of landfills of solid municipal wastes is considered, including their effect on groundwater. The accumulation of municipal wastes causes considerable...     

Assessment of groundwater inflow in urban territories

Analytical and numerical methods are proposed for the calculation of water inflow into construction pits under various geological—engineering and hydrogeological conditions at the construction site. Water inflow into the pit is shown to depend not only on lateral seepage but also on the leakage from underlying aquifers at appropriate parameters of their interaction. Under certain natural conditions, the most efficient method for construction pit draining at low water yield of soils in the construction area are light wellpoint systems, the capacity and layout of which is determined by the potential inflow through the pit contour. The results of analytical and numerical calculations for the assessment of groundwater inflow into a pit are given, and light wellpoint systems are shown to be effective under different combinations of natural and engineering conditions.     

Identification of karst features in a zone of active water exchange in a river valleywith disturbed hydrogeological conditions

The main features of water-bearing rocks and the interaction in the water-rock system, as well as tendencies in the transformations of the regime of liquid, mineral, and gas phases in Moscow River valley, are identified based on a detailed study of hydrogeological and engineering-geological conditions. Recommendations regarding the procedure of studying karst in complex hydrogeological conditions were formulated.     

The reservoir effect on hydrogeological conditions of shore areas of the ivankovo reservoir

The construction of reservoirs on large rivers in the USSR greatly influences the nature of adjacent areas. The water percolating into reservoir shores replenishes existing aquifers and creates new ones. The water volume formed in this way may be sometimes compared to the storage of the reservoirs. So seepage water is not lost; it remains in an artifically saturated zone and may be used for water supply and irrigation. The negative aspects are the waterlogging of adjacent areas, in topographic depressions, in particular, and soil salinization, especially in southern regions. The analysis and generalization of data on the groundwater regime formation in reservoir shore areas are useful for various branches of the national economy. The Ivankovo Reservoir on the Volga River having a long record of observations has been selected for the studies, which are discussed in this paper.