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Normally, the baseline is the low-water line along the coast as marked on large-scale charts that the coastal state recognizes. This is either the low-water mark closest to the shore or an unlimited distance from permanently exposed land, provided that some portion of elevations exposed at low tide but covered at high tide (such as mud flats) is within 3 nautical miles (5.6 kilometres; 3 + 1 ...
Inland waters—the zone inside the baseline. Territorial sea—the zone extending 12 nautical miles (nm) from the baseline. [2] Contiguous zone—the area extending 24 nm from the baseline. [2] Exclusive Economic Zone—the area extending 200 nm from the baseline except when the space between two countries is less than 400 nm. [2]
A baseline, as defined by the United Nations Convention on the Law of the Sea, is the line (or curve) along the coast from which the seaward limits of a state's territorial sea and certain other maritime zones of jurisdiction are measured, such as a state's exclusive economic zone. Normally, a sea baseline follows the low-water line of a ...
The UN Convention on the Law of the Sea determined that U.S. territorial waters expand for 12 nautical miles from its shores, and the US federal government manages the seas and the submerged parts ...
Contiguous zone: Beyond the 12-nautical-mile (22 km) limit, there is a further 12 nautical miles (22 km) from the territorial sea baseline limit, the contiguous zone. Here a state can continue to enforce laws in four specific areas (customs, taxation, immigration, and pollution) if the infringement started or is about to occur within the state ...
The Ohio River at Cairo is 281,500 cu ft/s (7,960 m 3 /s); [1] and the Mississippi River at Thebes, Illinois, which is upstream of the confluence, is 208,200 cu ft/s (5,897 m 3 /s). [66] The Ohio River flow is greater than that of the Mississippi River, so hydrologically the Ohio River is the main stream of the river system.
The highest level ever recorded on the Ohio River in Cincinnati was on Jan. 26, during the devastating flood of 1937. Historic crests on the Ohio River in Cincinnati 80 feet on Jan. 26, 1937
A chart datum is the water level surface serving as origin of depths displayed on a nautical chart and for reporting and predicting tide heights. A chart datum is generally derived from some tidal phase, in which case it is also known as a tidal datum. [1] Common chart datums are lowest astronomical tide (LAT) [1] and mean lower low water (MLLW).