National Repository of Grey Literature 2 records found  Search took 0.02 seconds. 
Advanced analysis of windthrows using GIS
Mikita, T. ; Kolejka, Jaromír ; Klimánek, M.
Forest damages caused by storm winds are very common event in Šumava Mts. since written history. Growing number of hurricanes here is followed by large wind fall and endangered local economy, nature protection, human life and recreation. Geographical analysis using GIS was applied to identify main factors influencing the location and level of damages.
A digital model of the South Moravian Lignite Coalfield in the Bzenec area, and its visualization
Kajzar, Vlastimil ; Staněk, F.
A digital model of the South Moravian Lignite Coalfield in the Bzenec area, and its visualization. In this contribution, the methodological procedures for modeling and assessing of the lignite deposit in the Bzenec area of the Czech part of the Vienna Basin (the South Moravian Lignite Coalfield) are presented. There is a territory where Dubňany seam (Pannonian F) occurs. All necessary primary data together with data about uniformly reassessed balanced seam thicknesses in about 230 boreholes were collected into a deposit database. This database was further studied in order to create the deposit model. The seam in the studied area is split into three coal benches (altogether 5 horizons). The basic deposit model is a so-called geological model, which describes the structural character of the deposit and defines the spatial positions of the coal seams. On the basis of the geological model so-called balanced models, i.e. variant models according to the coal quality, are created.

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