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A description of the landforms and land use in the lower course of the River Tay, Scotland. In its lower course, a river is wider, deeper and has larger meanders. By this stage a river may develop other features such as islands, deltas, oxbow lakes and braids. The Tay has a short lower course and the floodplain has been heavily built upon. Perth's North Newton estate suffered badly in the 1993 floods. Perth's docks are an important source of income for the city. The river must be constantly dredged so it remains navigable.