The paper presents activity of contemporary geomorphic processes in the Polish Carpathians,taking into account human impact on relief transformation in the past several centuries.Landsliding in the flysch Carpathians ...The paper presents activity of contemporary geomorphic processes in the Polish Carpathians,taking into account human impact on relief transformation in the past several centuries.Landsliding in the flysch Carpathians is a principal process in slope transformation,posing the most serious threat to man,both in the mountains and the foothills.On the other hand,unsuitable housing on slopes initiates mass movements,frequently with catastrophic consequences.Land use changes,in particular deforestation,have over the past 200 years fostered intensive slopewash and linear erosion,with this playing an important role in shaping foothill relief.Following changes in land use and channel regulation initiated at the beginning of the 20th century,a tendency to river bed deepening prevails.Moreover,floods,and not only extreme instances,continue to pose a threat to man,with their effects enhanced by housing in floodplain areas.展开更多
文摘The paper presents activity of contemporary geomorphic processes in the Polish Carpathians,taking into account human impact on relief transformation in the past several centuries.Landsliding in the flysch Carpathians is a principal process in slope transformation,posing the most serious threat to man,both in the mountains and the foothills.On the other hand,unsuitable housing on slopes initiates mass movements,frequently with catastrophic consequences.Land use changes,in particular deforestation,have over the past 200 years fostered intensive slopewash and linear erosion,with this playing an important role in shaping foothill relief.Following changes in land use and channel regulation initiated at the beginning of the 20th century,a tendency to river bed deepening prevails.Moreover,floods,and not only extreme instances,continue to pose a threat to man,with their effects enhanced by housing in floodplain areas.