- located where river meets the sea.
- the most productive water bodies in the world
- The complete salinity range from 0-35 ppt is seen from the head (river end) to the mouth (sea end) of an estuary
- Coastal lakes which have their connection with the sea through small openings are better known as lagoons or backwaters acting as a natural water filter
Estuary Formation:
grouped into four geomorphic categories based on the physical processes responsible for their formation:
1) rising sea level; (2) movement of sand and sandbars; (3) glacial processes; and (4) tectonic processes.
India Estuarine Ecosystem
The Country has 14 major, 44 medium and 162 minor rivers drains
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