Bronisław Janiec

Articles

Hydrological consequences of human action in the Łęczna-Włodawa Lake Region

Tadeusz Wilgat, Bronisław Janiec, Zdzisław Michalczyk, Marek Turczyński

Geographia Polonica (1997) vol. 68, pp. 117-147 | Full text

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Abstract:

An attempt was made to define the character and dynamics of hydrographicalchanges in the Łęczna-Włodawa Lake Region. They have been influenced notonly by agricultural land use, but also by the building of the Wieprza-Krzna canal andthe drainage system connected with it, by rapid development of tourism, and by coalmining. Cartographic materials, hydrometrie data, and field work carried out from thebeginning of the 50's by research workers of the Department of Hydrography, MariaCurie-Sklodowska University, were a basis for these studies.

Keywords: anthropopressure, water management, water quality, environmental protection, Polesie Lubelskie region, Eastern Poland

Tadeusz Wilgat, Maria Curie-Skłodowska University, Lublin
Bronisław Janiec, Institute of Earth Sciences, Maria Curie-Skłodowska University, Lublin. Poland

The role of precipitation waters in decalcification of loesses in western Roztocze (The catchment area of the upper Sanna River)

Bronisław Janiec

Geographia Polonica (1988) vol. 53, pp. 101-114 | Full text

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Abstract:

Considerable areas of south Poland are covered by loesses (Jahn 1950, 1956;Maruszczak 1972b, 1980; Jersak 1973). The content of carbonates in the mineralcomposition of these deposits varies from a few to over ten percent.The purpose of this paper was to determine the role of precipitation waters indecalcification of carbonate loesses on the example of the upper Sanna catchment area.Leaching of loess-like deposits is not discussed in this paper.

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Bronisław Janiec, Institute of Earth Sciences, Maria Curie-Skłodowska University, Lublin. Poland