Geomorphology - Topics

How a river's meanders creep across its floodplain and leave oxbow lakes behind Can a river rebuild its own bed after a dam is removed? What separates a division that follows a river from one that follows a ridge Why some rivers cut deep gorges while others braid across wide gravel beds How geomorphologists date a river terrace to reconstruct an old floodplain How freeze-thaw cycles shatter a rock face one winter at a time What makes a coastline rocky in one bay and sandy in the next How a river cuts a gorge through solid granite over millions of years Weathering vs erosion: why a cliff can crumble with nothing carrying the rock away How dunes migrate inland and why the wind leaves ripples behind them How a fault zone is mapped when the fault itself is only a line Why limestone dissolves into caves and sinkholes instead of eroding like sandstone How do sand dunes migrate and what does that mean for desert towns? Reconstructing where the water used to be: historical coastlines and former river courses Why glacial valleys are U-shaped while river valleys are V-shaped What a landslide scar reveals about the slope before it failed How landslide risk maps are built from slope and rainfall data Reading past climates out of glacial moraines How longshore drift moves a beach along the coast and why groynes backfire Why the same coastline is classified as emergent in one survey and submergent in the next Why barrier islands migrate landward instead of drowning as seas rise How do physical geographers date a landscape? Why laterite hardens into brick once tropical soil loses its vegetation cover Is that hill still rising or already wearing away? Why deltas subside even when sea level is not rising How long does it take to build one centimetre of topsoil? How an alluvial fan builds up where a mountain stream meets the plain