No, as it would destroy vital fish breeding grounds, especially for migratory eels, and reduce food for migrating and residential waterbirds.
The latest proposal (2011) is for a privately-financed barrage between Lavernock Point and Brean Down - just upstream from the two islands that sit in the estuary.
Yes, Swansea is located near the Severn Estuary, which is situated to the northeast of the city. The estuary is formed by the River Severn and flows into the Bristol Channel. Swansea itself lies along the coast of South Wales, with its waterfront facing the Bristol Channel rather than directly on the Severn Estuary.
The River Severn is technically neither a delta nor an estuary. The River Severn is a tidal river that flows into the Bristol Channel. It has characteristics of both a river and an estuary, where the freshwater river meets the saltwater of the sea.
The Severn Estuary lies between England and Wales. The nearest large towns are Bristol and Cardiff.
wye
The River Severn flows into the Bristol Channel via the Severn Estuary, after which it communicates with the Irish Sea.
It finishes at the Severn estuary which then feeds into the Bristol channel
P. N. Ferns has written: 'Bird life of coasts and estuaries' -- subject(s): Birds, Coastal animals, Estuarine animals 'The Severn Estuary'
The North Sea, between Kent & Essex
Bristol Channel and the Severn estuary
The Severn Estuary, but I am not sure what the exact range is.
The Bristol Channel, also the Severn Estuary.