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Department of Geography

Staff Profile

Publication details for Honorary Professor Martin Pratt

Pratt, M.A. Lines in the sea: technical challenges in maritime boundary delimitation. Hydro International. 2007.

Author(s) from Durham


Under the 1982 United Nations Convention on the Law of the Sea (UNCLOS) coastal states may claim rights over the resources of the sea and seabed up to 200 nautical miles (M) from their coasts, and seabed jurisdiction out to 350M where the continental margin is wider than 200M. But many boundaries are ill defined and even disputed. With the oil and gas industry operating in ever-deeper waters, the need for geodetically precise maritime boundaries has become increasingly pressing. This article explores the challenges involved.