Before revision: upright=1.5|Cattle grazing below high water, Isle of Dogs, 1792 (Robert Dodd, detail: National Maritime Museum) The Embanking of the tidal Thames is the historical process by which the lower River Thames, at one time a broad, shallow waterway winding through malarious marshlands, has been transformed into a deep, narrow tidal canal flowing between solid artificial walls, and restrained by these at high tide.
After revision: by human interventionupright=1.5|Cattle grazing below high water, Isle of Dogs, 1792 (Robert Dodd, detail: National Maritime Museum) The Embanking of the tidal Thames is the historical process by which the lower River Thames, at one time a broad, shallow waterway winding through malarious marshlands, has been transformed into a deep, narrow tidal canal flowing between solid artificial walls, and restrained by these at high tide.