Territorial waters

"Coastal waters" redirects here. For geographical aspects, see coast.
Schematic map of maritime zones

Territorial waters or a territorial sea as defined by the 1982 United Nations Convention on the Law of the Sea,[1] is a belt of coastal waters extending at most 12 nautical miles (22.2 km; 13.8 mi) from the baseline (usually the mean low-water mark) of a coastal state. The territorial sea is regarded as the sovereign territory of the state, although foreign ships (civilian) are allowed innocent passage through it, or transit passage for straits; this sovereignty also extends to the airspace over and seabed below. Adjustment of these boundaries is called, in international law, maritime delimitation.

The term "territorial waters" is also sometimes used informally to refer to any area of water over which a state has jurisdiction, including internal waters, the contiguous zone, the exclusive economic zone and potentially the continental shelf.

Baseline

Main article: Baseline (sea)

Normally, the baseline from which the territorial sea is measured is the low-water line along the coast as marked on large-scale charts officially recognized by the coastal state. This is either the low-water mark closest to the shore, or alternatively it may be an unlimited distance from permanently exposed land, provided that some portion of elevations exposed at low tide but covered at high tide (like mud flats) is within 12 nautical miles (22 km; 14 mi) of permanently exposed land. Straight baselines can alternatively be defined connecting fringing islands along a coast, across the mouths of rivers, or with certain restrictions across the mouths of bays. In this case, a bay is defined as "a well-marked indentation whose penetration is in such proportion to the width of its mouth as to contain land-locked waters and constitute more than a mere curvature of the coast. An indentation shall not, however, be regarded as a bay unless its area is as large as, or larger than, that of the semi-circle whose diameter is a line drawn across the mouth of that indentation". The baseline across the bay must also be no more than 24 nautical miles (44 km; 28 mi) in length.

Internal waters

Internal and external territorial waters of the Philippines prior to the adoption of new baselines in 2009.
Main article: Internal waters

Waters landward of the baseline are defined as internal waters, over which the state has complete sovereignty: not even innocent passage is allowed. Lakes and rivers are considered internal waters. All "archipelagic waters" within the outermost islands of an archipelagic state such as Indonesia or the Philippines are also considered internal waters, and are treated the same with the exception that innocent passage through them must be allowed. However, archipelagic states may designate certain sea lanes through these waters.

Territorial sea

A state's territorial sea extends up to 12 nautical miles (22.2 km; 13.8 mi) from its baseline. If this would overlap with another state's territorial sea, the border is taken as the median point between the states' baselines, unless the states in question agree otherwise. A state can also choose to claim a smaller territorial sea.

Conflicts still occur whenever a coastal nation claims an entire gulf as its territorial waters while other nations only recognize the more restrictive definitions of the UN convention. Two recent conflicts occurred in the Gulf of Sidra where Libya has claimed the entire gulf as its territorial waters and the U.S. has enforced freedom of navigation rights twice, in the 1981 and 1989 Gulf of Sidra incidents.

In the U.S. federal system, individual states exercise ownership (subject to federal law) up to 3 nautical miles (9 nautical miles for Texas and Florida) from shore, while the federal government exercises sole territorial jurisdiction further out (see Tidelands).

Contiguous zone

The contiguous zone is a band of water extending from the outer edge of the territorial sea to up to 24 nautical miles (44.4 km; 27.6 mi) from the baseline, within which a state can exert limited control for the purpose of preventing or punishing "infringement of its customs, fiscal, immigration or sanitary laws and regulations within its territory or territorial sea". This will typically be 12 nautical miles (22 km; 14 mi) wide, but could be more (if a state has chosen to claim a territorial sea of less than 12 nautical miles), or less, if it would otherwise overlap another state's contiguous zone. However, unlike the territorial sea, there is no standard rule for resolving such conflicts and the states in question must negotiate their own compromise. The United States invoked a contiguous zone out to 24 nmi on 24 September 1999.[2]

Exclusive economic zone

An exclusive economic zone extends from the outer limit of the territorial sea to a maximum of 200 nautical miles (370.4 km; 230.2 mi) from the territorial sea baseline, thus it includes the contiguous zone.[3] A coastal nation has control of all economic resources within its exclusive economic zone, including fishing, mining, oil exploration, and any pollution of those resources. However, it cannot prohibit passage or loitering above, on, or under the surface of the sea that is in compliance with the laws and regulations adopted by the coastal State in accordance with the provisions of the UN Convention, within that portion of its exclusive economic zone beyond its territorial sea. Before the United Nations Convention on the Law of the Sea of 1982, coastal nations arbitrarily extended their territorial waters in an effort to control activities which are now regulated by the exclusive economic zone, such as offshore oil exploration or fishing rights (see Cod Wars). Indeed, the exclusive economic zone is still popularly, though erroneously, called a coastal nation's territorial waters.

Continental shelf

Definition

Article 76[4] gives the legal definition of continental shelf of coastal countries. For the physical geography definition, see the continental shelf page.

The continental shelf of a coastal nation extends out to the outer edge of the continental margin but at least 200 nautical miles (370 km; 230 mi) from the baselines of the territorial sea if the continental margin does not stretch that far. Coastal states have the right of exploration and exploitation of its natural resources, however other states could lay cables and pipelines if they are authorised by the coastal state. The outer limit of a country's continental shelf shall not stretch beyond 350 nautical miles (650 km; 400 mi) of the baseline, or beyond 100 nautical miles (190 km; 120 mi) from the 2,500 metres (8,200 ft) isobath, which is a line connecting the depths of the seabed at 2,500 meters.

The outer edge of the continental margin for the purposes of this article is defined as:

*a series of lines joining points not more than 60 nautical miles (110 km; 69 mi) apart where the thickness of sedimentary rocks is at least 1% of the height of the continental shelf above the foot of the continental slope; or
*a series of lines joining points not more than 60 nautical miles apart that is not more than 60 nautical miles from the foot of the continental margin.

The foot of the continental slope is determined as the point of maximum change in the gradient at its base.

The portion of the continental shelf beyond the 200 nautical mile limit is also known as the extended continental shelf. Countries wishing to delimit their outer continental shelf beyond 200 nautical miles have to submit information on their claim to the Commission on the Limits of the Continental Shelf. The Commission must make recommendations on matters related to the establishment of the outer limits of their continental shelf. The limits established based on these recommendations shall be final and binding.

Countries were supposed to lodge their submissions to extend their continental shelf beyond 200 nautical miles within ten years of UNCLOS coming into force in the country, or by 13 May 2009 for countries where the convention had come into force before 13 May 1999. As of 1 June 2009, 51 submissions have been lodged with the Commission, of which eight have been deliberated by the Commission and have had recommendations issued. The eight are (in the order of date of submission): Russian Federation; Brazil; Australia; Ireland; New Zealand; the joint submission by France, Ireland, Spain and the United Kingdom; Norway and Mexico.

For full list, see below

Rights over the continental shelf

Articles 77 to 81 define the rights of a country over its continental shelf.

A coastal nation has control of all resources on or under its continental shelf, living or not, but no control over any living organisms above the shelf that are beyond its exclusive economic zone. This gives it the right to conduct petroleum drilling works and lay submarine cables or pipelines in its continental shelf.

An example of this is the ongoing dispute over resources in the Arctic area, which will be decided by the exact mapping of the continental shelves.

Background

Territorial waters claims by coastal states in 1960[5]
Breadth claim Number of states
3-mile limit 26
4-mile limit 3
5-mile limit 1
6-mile limit 16
9-mile limit 1
10-mile limit 2
12-mile limit 34
More than 12-miles 9
Unspecified 11

From the eighteenth century until the mid twentieth century, the territorial waters of the British Empire, the United States, France and many other nations were three nautical miles (5.6 km) wide. Originally, this was the length of a cannon shot, hence the portion of an ocean that a sovereign state could defend from shore. However, Iceland claimed two nautical miles (3.7 km), Norway and Sweden claimed four nautical miles (7.4 km), and Spain claimed 6 nautical miles (11 km; 6.9 mi) during this period. During incidents such as nuclear weapons testing and fisheries disputes some nations arbitrarily extended their maritime claims to as much as fifty or even two hundred nautical miles. Since the late 20th century the "12 mile limit" has become almost universally accepted. The United Kingdom extended its territorial waters from three to twelve nautical miles (22 km) in 1987.

During the League of Nations Codification Conference in 1930, the issue of establishing international legislation on territorial waters was raised, but no agreement was reached.[6]

Claims by legislation to the adjacent continental shelf and fishing was first made by the United States government immediately following the Second World War. On September 28, 1945, US President Harry S. Truman issued two proclamations that established government control of natural resources in areas adjacent to the coastline. One of these proclamation was titled "Policy of the United States With Respect to the Natural Resources of the Subsoil and Sea Bed of the Continental Shelf", and stipulated in its operative clause:

the Government of the United States regards the natural resources of the subsoil and sea bed of the continental shelf beneath the high seas but contiguous to the coasts of the United States as appertaining to the United States, subject to its jurisdiction and control.[7]

The second proclamation was titled "Policy of the United States With Respect to Coastal Fisheries in Certain Areas of the High Seas", and stated in its operative clause:

the Government of the United States regards it as proper to establish conservation zones in those areas of the high seas contiguous to the coasts of the United States wherein fishing activities have been or in the future may be developed and maintained on a substantial scale.[8]

Following the US Presidential proclamation, the issue of legally determining territorial waters by international agreement was raised, and in its first session in 1949, the International Law Commission of the United Nations added the subject to its agenda.

The important issue of the breadth of territorial waters could not be resolved at either the UNCLOS I (1956-1958) or UNCLOS II (1960) conferences, with neither the two major contenders of a 3-mile or 12-mile limit reaching the required two-thirds support. This lack of agreement had the potential to lead to serious international disputes.[5] It was only at the UNCLOS III (1973-1982) conference, whose provisions did not come into force until 1994, that this issue was resolved at twelve nautical miles.

Miscellaneous

Pirate radio broadcasting from artificial marine fixtures or anchored ships can be controlled by the affected coastal nation or other nations wherever that broadcast may originate, whether in the territorial sea, exclusive economic zone, the continental shelf or even on the high seas.[9]

Thus a coastal nation has total control over its internal waters, slightly less control over territorial waters, and ostensibly even less control over waters within the contiguous zones. However, it has total control of economic resources within its exclusive economic zone as well as those on or under its continental shelf.

Throughout this article, distances measured in nautical miles are exact legal definitions, while those in kilometres are approximate conversions that are not stated in any law or treaty.

Federal nations, such as the United States, divide control over certain waters between the federal government and the individual states. (See tidelands.)

Territorial sea claim

Maritime controversies involve two dimensions: (a) territorial sovereignty, which are a legacy of history; and (b) relevant jurisdictional rights and interests in maritime boundaries, which are mainly due to differing interpretations of the law of the sea.[10]

Special cases

Peru claim territorial waters out to 200 nmi.

Contiguous zone claims

Extended continental shelf claims

As of 13 May 2009, 51 submissions by 44 countries have been lodged for claims over their extended continental shelf. Some countries have multiple submissions and joint submissions with other countries. Recommendations have been given for 8 of the submissions.

Submissions with recommendations

List with date of submission and adoption of recommendation by the Commission on the Limits of the Continental Shelf.[24]

Other submissions

List in order of date of submission, with date of submission.[24]

See also

References

  1. ↑ "UNITED NATIONS CONVENTION ON THE LAW OF THE SEA". Retrieved 27 April 2016.
  2. ↑ "New Action to Protect & Preserve U.S. Shores & Oceans". Retrieved 27 April 2016.
  3. ↑ "PREAMBLE TO THE UNITED NATIONS CONVENTION ON THE LAW OF THE SEA". Retrieved 27 April 2016.
  4. ↑ "PREAMBLE TO THE UNITED NATIONS CONVENTION ON THE LAW OF THE SEA". Retrieved 27 April 2016.
  5. 1 2 Major Thomas E. Behuniak (Fall 1978). "The Seizure and Recovery of the S.S. Mayaguez: Legal Analysis of United States Claims, Part 1" (PDF). Military Law Review. Department of the Army. 82: 114–121. ISSN 0026-4040. Retrieved 21 July 2014.
  6. ↑ Yearbook of the International Law Commission, 1949, p. 43
  7. ↑ text in Department of State Bulletin, September 30, 1945, p. 485
  8. ↑ text in Department of State Bulletin, September 30, 1945, p. 486
  9. ↑ "PREAMBLE TO THE UNITED NATIONS CONVENTION ON THE LAW OF THE SEA". Retrieved 27 April 2016.
  10. ↑ Ji, Guoxing. (1995). http://escholarship.org/uc/item/7rq2b069 "Maritime Jurisdiction in the Three China Seas" (abstract),] UC Berkeley: UC Institute on Global Conflict and Cooperation; retrieved 15 Nov 2010.
  11. ↑ Lov om Norges territorialfarvann og tilstøtende sone §7
  12. ↑ "Lov om afgrænsning af søterritoriet - retsinformation.dk". Retrieved 27 April 2016.
  13. ↑ Accession of Ecuador to the United Nations Convention on the Law of the Sea (UNCLOS)
  14. ↑ "Lógasavn". Retrieved 27 April 2016.
  15. ↑ "41/1979: Lög um landhelgi, efnahagslögsögu og landgrunn". Alþingi. Retrieved 27 April 2016.
  16. 1 2 Executive order no. 48, Liberia Government, January 2013.
  17. ↑ Lov om Norges territorialfarvann og tilstøtende sone §2
  18. ↑ DLM means that "the national legislation establishes the limits of a given zone only by reference to the delimitation of maritime boundaries with adjacent or opposite States, or to a median (equidistant) line in the absence of a maritime boundary delimitation agreement".
  19. ↑ Legge 3 giugno 1978 n. 347
  20. ↑ Act amending the Act on the Limits of the Territorial Waters of Finland (981/95)
  21. ↑ "Laki Suomen aluevesien rajoista 463/1956 - Ajantasainen lainsäädäntö - FINLEX ®". Retrieved 27 April 2016.
  22. ↑ "DoD Issuances Website: 404 Error Page". Archived from the original on September 20, 2012. Retrieved 27 April 2016.
  23. ↑ "LIMITS IN THE SEAS NO. 32 STRAIGHT BASELINES : TURKEY" (pdf). U.S. Depratment of State. 25 March 1971. Retrieved 18 June 2016.
  24. 1 2 "Submissions, through the Secretary-General of the United Nations, to the Commission on the Limits of the Continental Shelf, pursuant to article 76, paragraph 8, of the United Nations Convention on the Law of the Sea of 10 December 1982". United Nations Commission on the Limits of the Continental Shelf. 30 October 2009. Retrieved 9 December 2009.
  25. ↑ Commission on the Limits of the Continental Shelf Summary of recommendations re: Ascension Island
  26. ↑ UN confirms Australia’s rights over extra 2.5 million square kilometres of seabed. Minister for Resources and Energy, The Hon Martin Ferguson AM MP, Media Release, 21 April 2008. With map of areas.
  27. ↑ "Ireland extends its underwater territory". RTE.ie. 23 October 2007. Retrieved 27 April 2016.
  28. ↑ "Ireland can extend territorial waters". The Irish Times. 7 April 2007. Retrieved 27 April 2016.
  29. ↑ UN confirms NZ’s extended seabed claim, New Zealand Ministry of Foreign Affairs and Trade. Updated 20 January 2009. Retrieved 29 May 2009.
  30. ↑ "Submission by New Zealand". United Nations Commission on the Limits of the Continental Shelf. 8 April 2009. Retrieved 29 May 2009.
  31. ↑ Continental shelf of Somalia
  32. ↑ Gronewold, Nathanial. A Peek Inside the U.N.'s Continental Shelf Commission, New York Times, 14 September 2009.
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