2949775665

The influence of waters..

The process of river water ąuality degradation in the area of Upper Silesia is also revealed as decrease in the dynamics of changes in the size of the transported salt load. This fact indicates that seasonal changes in water flow in the rivers have a smaller and smaller influence on the load size. It betokens important disturbance of their natural regimes. In some streams the amount of minewaters is greater than 50% of the total runoff. This has economic conseąuences as a result of the limitation of possibilities for use and the appearance of losses caused by accelerated disturbing of machineries which draw salinę river waters for technological needs, e.g. in the ironworks of T. Sendzimir in Cracow. Prognoses madę indicate that by about 2005, the amount of water pumped out by mines will have decreased by 14% but the concentrations of chlorides and sulphates ions will have increased by about 67% (Rogoż 1994) It will be caused by an increase in the mean depth of minę workings. Therefore the problem of salt water utilization will still be relevant and will be rather morę sharpened. Although restructuring of the minę industry is being undertaken, the exploitation of coal (on a limited scalę) is retained in the worked-out scenarios of spatial policy for the country^ management (Poland 2000 plus 1995). Therefore a decided improvement of both Vistula and Oder water ąuality in near futurę is not a real possibility.

REFERENCES

Czaja S., Jankowski A. T., 1992, The contribution of minę waters to the discharge and salinity of riuers in Katowice prouince, Arch. Ochr. Śród. 2, 181-194.

Garjowiec B., Różkowski J., 1988, Charakterystyka stopnia zasolenia zlewni Górnej Wisły, Kwart. Geolog. 32, 3-4, 715-728.

Jankowski A. T., 1987, Wpływ urbanizacji i uprzemysłowienia na zmiany stosunków wodnych w regionie śląskim w świetle dotychczasowych badań, Geographia, Studia et Diss. 10, 62-99.

Jankowski A. T., 1995, Z badań nad antropogenicznymi zbiornikami wodnymi na obszarze górnośląskim, [in:] Wybrane zagadnienia geograficzne, Sosnowiec, 12-18.

Korol R., Jaśniewicz E., Bożek A., Szyjkowska U., Zelent B., Czapliński M., 1994, Atlas zanieczyszczeń rzek w Polsce — lata 1990-1992, Biblioteka Monitoringu Środowiska, Warszawa.

Krokowski J., Karnasa M., 1994, Pomiar zasolenia wody w rzece Wiśle w przekroju powyżej Krakowa, [in:] Zasolenie rzeki Wisły, Kraków.

Monitoring powierzchniowych wód płynących w województwie katowickim w 1994 roku, 1995, Aneks "A", Obróbka statystyczna danych monitoringu rzek za okres 1.01.1994 do 31.12.1994, Ośrodek Badań i Kontroli Środowiska, Katowice.

Ochrona środowiska i gospodarka wodna, Rocznik GUS z lat 1981, 1986, 1987, 1991.

Ochrona środowiska, 1994, GUS Warszawa.

Ochrona środowiska w województwie katowickim w latach 1990-1993, 1995, WUS Katowice.

Polska 2000 plus — Wstępna koncepcja polityki przestrzennego zagospodarowania kraju 1995, CUP, Warszawa.

Raport o stanie środowiska w województwie katowickim w 1994 roku, 1995, Biblioteka Monitoringu Środowiska, PIOŚ-WIOŚ Katowice.

Rogoż M., 1994, Słone wody kopalniane w GZW\ i próby ograniczenia ich zrzutu do Wisły, [in:] Zasolenie rzek Wisły, Kraków, 17-32.

Rogoż M., Staszewski M., Wilk Z., 1987, Impact of mining actiuities upon the aąuatic enuironment within the Upper Silesian Coal Basin (USCB), [in:] Hydrogeology ofCoal Basin, IAH Kraków, 553-566.

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