Estuaries are coastal water bodies where rivers meet the sea and mix with saltwater. On the west coast, rivers like Narmada and Tapti flow rapidly into the Arabian Sea, forming estuaries due to the narrow land strip and steep Western Ghats.
Class 7 Social Science Chapter 1 Geographical Diversity of India question answer
Class 7 NCERT Social Science India and the World: Land and the People Chapter 1 Geographical Diversity of India
Estuaries are partially enclosed coastal areas where freshwater from rivers mixes with saltwater from the sea. On India’s west coast, rivers like Narmada and Tapti descend swiftly from the Western Ghats and enter the Arabian Sea. Since the coast is narrow and steep, the rivers do not form deltas but instead widen near their mouths, creating estuaries. These are rich in biodiversity, support fisheries and serve as natural harbors. Estuaries are vital for ecosystems and local livelihoods.
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