The world’s rivers deliver 19 billion tonnes of sediment to the coastal zone annually1, with a considerable fraction being sequestered in large deltas, home to over 500 million people. Most (more than 70 per cent) large deltas are under threat from a combination of rising sea levels, ground surface subsidence and anthropogenic sediment trapping2, 3, and a sustainable supply of fluvial sediment is therefore critical to prevent deltas being ‘drowned’ by rising relative sea levels2, 3, 4.
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Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/fluvial-sediment-supply-mega-delta-reduced-shifting-tropical-cyclone-activity
[2] http://admin.indiaenvironmentportal.org.in/category/author/stephen-e-darby
[3] http://admin.indiaenvironmentportal.org.in/category/author/christopher-r-hackney
[4] http://admin.indiaenvironmentportal.org.in/category/author/julian-leyland-et-al
[5] http://admin.indiaenvironmentportal.org.in/category/journal/nature
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cyclones
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rivers
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/hydrology
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sediment-transport
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-impacts
