A vestibular schwannoma is a benign tumor that develops from the nerves associated with balance and hearing that supply the inner ear.
Defining the River Corridor. It is important to define precisely the area of the Floodplain that comprises the River Corridor. The Otaki Floodplain Management Plan provided a base definition to work from, for the Hutt River Corridor. That definition is summarised below: The River Corridor is the minimum area that is able to contain a major flood and. pass water safely to the sea. . The outer limit of the River Corridor, where not adjacent to the ponding and overflow path, is the. extent of the design flood. .
A main river is defined as a watercourse marked as such on a main river map, and can include any structure or appliance for controlling or regulating the flow of water in, into or out of a main river.The Environment Agency's powers to carry out flood defence works apply to main rivers only.In England main rivers are designated by Defra. The Welsh Government performs this function in Wales. Every other open watercourse in England and Wales is determined by statute as an ' ordinary watercourse '.he Environment Agency's powers to carry out flood defence works apply to main rivers only. In England main rivers are designated by Defra. The Welsh Government performs this function in Wales. Every other open watercourse in England and Wales is determined by statute as an ' ordinary watercourse '.