Variation of groundwater table in Roztocze and problems of its hydrogeological evaluation

Jan Malinowski


Results of observations of groundwater table in Roztocze are presented. Four types of fluctuation are distinguished. Most common and typical is the first one, dependent on annual hydrological cycle. The second type with amplitudes to 6 m depends on many years’ cycle and is accompanied with insignificant influence of annual hydrological cycle. Correspondence of water table to groundwater runoff was found in several catchments but no correlation could be noted. Groundwater runoff and water table are caused by the same factor. Method of mean and determination of confidence intervals are suitable to prognoses of water table.

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