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Analysis of geodetic surveying on the margin of subsidence depression

100%

Doleżalova H. , Muller K. , Blaha P.

2006

tom z. 273

103-112

A long-term repeated leveling on the margin of subsidence depression has POINTED at repetitive upheavals and falls of support leveling points in interval of several centimeters with frequency of about 2 years. There are analyzed possible causes of these t changes.

Długotrwałe pomiary niwelacyjne na skraju kotliny obniżeniowej udowodniły ponowne podniesienia i obniżenia podstawowych punktów w granicach kilku centymetrów z periodycznością ok. 2 lat. W artykule jest podana analiza możliwych powodów tych zmian wysokości.

Environmental aspects of relief transformation (Silesian Upland, Southern Poland)

88%

Pełka-Gościniak J.

Environmental & Socio-economic Studies

2014

tom 2

nr 4

13-20

The geological structure and the occurrence of mineral resources in the Silesian Upland in a significant way influenced the development of industry and caused transformation of every landscape element, among others changes in relief and therefore the formation of anthropogenic landforms. The paper focuses on environmental aspects of relief transformation in the Silesian Upland. The author described aesthetic, geomorphological, hydrological, climatological, pedological and biological aspects on the base of representatives of two groups of landforms–consciously created by human being and being an unintentional effect of human activity (of secondary character). All analysed landforms are new elements in relief, in majority of cases being in disharmony with their neighbourhood. They are alien to the landscape and disturb the equilibrium in the nature. It was proved that they strongly influence water and climatological conditions and soil cover. But sometimes the anthropogenic landforms can be perceived as advantageous for the nature, especially in case of subsidence depressions because of development of aquatic and hydrophilous species and in case of spoil tips due to spontaneous development of vegetation cover. The nature easily adapts to new environmental conditions (process of natural succession and independent introduction of species for new habitats). In these terrains the increase in biodiversity was observed.