Utilization of geographic information systems (GIS) for the erosion vulnerability analysis of agricultural land is shown on the example of Luh stream catchment, Czech Republic, district of Vysočina. Evaluation of soil erosion conditions according to the Universal soil loss equation (USLE) was done in ArcGIS 10 Desktop, software product of ArcInfo using a set of integrated software applications ArcMap, ArcCatalog and ArcToolbox user interface with LS-converter and USLE2D programs. The project of erosion control measures and evaluation of their effect on the erosion were parts of the analyses. Erosion control crop rotations with soil protective technologies, that change the value of cover-management factor, were used as erosion control measures. ...
The geoinformation software market is becoming increasingly competitive. New improvements and tools are created, which are provided to the users with subsequent updates. Additionally, completely new software is appearing as well. Nevertheless, for the past several years, ArcGIS and QGIS have been the most popular software in Poland. There are many handbooks and manuals describing their possibilities. Both systems offer numerous functions. This does not mean, however, that the results of identical spatial analyses performed in ArcGIS and QGIS will be identical as well. The comparison of the results of such analyses performed on vector and raster data is the main objective of the conducted study. The research demonstrates, that selected analogical tools implemented in discussed systems provides different results especially in the range of spatial analyses performed on raster data. ...
