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Zasoby wód podziemnych w Polsce jako istotny element bezpieczeństwa ekonomicznego kraju – w zarysie

100%

Płaczek J.

Obronność – Zeszyty Naukowe Wydziału Zarządzania i Dowodzenia Akademii Sztuki Wojennej

2018

issue 4(28)

Groundwater is a vital element in the shaping of every country’s economic security; it is strategically important. It constitutes a reserve in the event of a crisis regarding a shortage of surface water or its contamination. Its quantity and quality is continuously monitored. Moreover, it is subject to rationing and legal discipline. In Poland, groundwater accumulates at a depth of approximately 800-1000 metres. There are about 180 large subterranean water basins in Poland. Groundwater is used for selected branches of hydrotherapy and in geothermal energy industries. In Poland, the use of groundwater amounts to approximately 15% of total water use. Its quality is very good or good. Its use is efficient and economical. It must not be exploited on a larger scale and must be preserved for future generations.

Sezonowa zmienność zasobów wód podziemnych o zwierciadle swobodnym w zlewni Pilicy

75%

Tomalski P.

Annales Universitatis Mariae Curie-Sklodowska, sectio B – Geographia, Geologia, Mineralogia et Petrographia

2015

vol. 70

issue 2

The paper attempts to identify seasonal variability of groundwater table in the Pilica catchment. Procedure created by Ch. G. Markham was used. It allows to compare results with analogical characteristics of other aquifers from central Poland. Sixteen piezometers were used for the research.They represent shallow aquifers located in the Pilica catchment and its surrounding and they are part of a measurement network of PIG-PIB (years from 2003 till 2014 were used). All of the aquifers with 10 years data series were chosen for the analyzed group. They represent the whole spectrum of occurrence of groundwaters in the Pilica catchment.Before the analysis homogeneity of time series was checked by two statistical tests: parametric F-Snedecor test (exams null hypothesis about variance equality) and non-parametric series test (exams null hypothesis about origin of two samples from the same general population). All of numeric strings were statistically homogeneous.Time series of mean monthly depth to groundwater table in all piezometers were changed into groundwater ordinates. In that way, maximum values are compared with the maximum level of groundwater table. Next, for all the aquifers the Markham characteristics of seasonal variability were calculated. First of them is seasonality index (IS) and it ranges from 0 to 100%. The second characteristic is time of concentration (WPK). During the interpretation of WPK values it is important to remember that this characteristic shows only time of concentration (it must not be associated with terms of maximum level of the examined phenomenon).Aquifers in the Pilica catchment are characterized by differential seasonality index raning from 1 to 30%. It means that rhythm of groundwater table changes is not seasonal in part of aquifers. Despite that, the seasonal variability of groundwater level is stronger in the Pilica catchment than in other aquifers in central Poland (IS is on average almost double). Time of concentration coefficients are differential too. They occur from February to July in the Pilica catchment, while in the whole central Poland they are concentrated in two terms (late winter and summer). Unlike other parts of central Poland, changes of groundwater resources are characterized by poor correlation with hydrogeological parameters of aquifers or mean depth to the groundwater level in piezometers in the Pilica catchment.

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1 Annales Universitatis Mariae Curie-Sklodowska, sectio B – Geographia, Geologia, Mineralogia et Petrographia

1 Obronność – Zeszyty Naukowe Wydziału Zarządzania i Dowodzenia Akademii Sztuki Wojennej

1 2018

1 2015

1 Płaczek J.

1 Tomalski P.

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Zasoby wód podziemnych w Polsce jako istotny element bezpieczeństwa ekonomicznego kraju – w zarysie

Sezonowa zmienność zasobów wód podziemnych o zwierciadle swobodnym w zlewni Pilicy