The Polish lowland rivers valleys geological structure and its relationship with channel crossing conditions

Abstract An important factor in ensuring the maneuvering freedom of land forces lowland areas is ability to overcome water obstacles, especially riverbeds. The complex genesis (polygenesis) river valley sections Polish Lowlands reason for great diversity their geological structure. Polygenesis also determines specificity course evolution system, which driven by climate change and growing human influence on hydrological conditions catchment area. Since individual genetic differ like processes within them, written relief bottom its surface. selection appropriate places crossing or forcing beds may be based identifying a specific set surface features, can carried out using aerial satellite remote sensing methods.