Geomorphology

aggradation angle anticline areas barchan base level basin beach beds boulder clay capture carbon Carboniferous Limestone caused Chalk channel chemical weathering cliff climate coast concave corals corrie cycle debris deposits deserts downcutting drift dunes effect eroded erosion surfaces escarpment example explanation see text flood flow formation Geol geomorphology glacial glacier graded gradient granite gravel headward erosion hypothesis ice sheet inselbergs interglacial joints karst lake landforms landscape later layer lithology load longshore drift lower marine material meanders meltwater moraine mountain movement occur outcrops peneplain periglacial period permeable PLATE plateau Pleistocene polygons Post-glacial present probably reefs regions rejuvenation relief result ridges river sand sea level sediments shingle shorelines slope soil solifluxion solution South Downs spit stage stream structure subaerial temperature terraces Tertiary tion tropical uplift upper usually valley vegetation velocity waste mantle waves weathering front wind zone