Reference work entry
The term water system refers to all surface water flows in a system, including all of the main rivers, tributaries of all levels and lakes connected to these rivers in a river basin. In map view, the geometric form of a water system can be dendritic, parallel, lattice, annular, radial or convergent. A water system is closely related to the regional geological structure and geomorphic conditions. Rivers that develop in areas of subsidence tend to have a convergent form. Rivers in dome-shaped uplifted areas tend to have radial patterns. A water system in an active fault zone tends to have a lattice pattern with right-angle bends. Parallel water systems usually develop in steeply dipping areas, whereas rivers that develop in karst regions tend to have a dotted stars pattern (Fig. 6).
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