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The GULF OF ADEN (Arabic : خليج عدن‎‎ Ḫalīǧ ʻAdan, Somali : Gacanka Cadmeed) is a gulf located in the Arabian Sea
Arabian Sea
between Yemen
Yemen
, on the south coast of the Arabian Peninsula
Arabian Peninsula
, and Somalia
Somalia
in the Horn of Africa
Horn of Africa
. In the northwest, it connects with the Red Sea through the Bab-el-Mandeb strait, which is more than 20 miles (32 kilometres) wide. It shares its name with the port city of Aden
Aden
in Yemen
Yemen
, which forms the northern shore of the gulf. Historically, the Gulf of Aden
Aden
was known as "The Gulf of Berbera", named after the ancient Somali port city of Berbera
Berbera
on the south side of the gulf. However, as the city of Aden
Aden
grew during the colonial era, the name of "Gulf of Aden" was popularised.

The waterway is part of the important Suez Canal
Suez Canal
shipping route between the Mediterranean Sea
Mediterranean Sea
and the Arabian Sea
Arabian Sea
in the Indian Ocean with 21,000 ships crossing the gulf annually.

CONTENTS

* 1 Name

* 2 Geography

* 2.1 Limits * 2.2 Hydrography

* 3 Commerce and trade * 4 Ecology * 5 Bordering countries * 6 Towns and cities * 7 See also * 8 Images * 9 Notes * 10 External links

NAME

The name of the Gulf was inspired by the former British Crown Colony city of Aden
Aden
, now part of Yemen. The Somali names are Gacanka Cadmeed or Gacanka Saylac.

GEOGRAPHY

LIMITS

The International Hydrographic Organization
International Hydrographic Organization
defines the limits of the Gulf of Aden
Aden
as follows: On the Northwest – The southern limit of the Red Sea
Red Sea
. On the Northwest – The eastern limit of the Gulf of Tadjoura
Gulf of Tadjoura
(A line joining Obock
Obock
and Lawyacado
Lawyacado
). On the East – The meridian of Cape Guardafui (Ras Asir, 51°16'E).

HYDROGRAPHY

The temperature of the Gulf of Aden
Aden
varies between 15 °C (59 °F) and 28 °C (82 °F), depending on the season and the appearance of monsoons . The salinity of the gulf at 10 metres (33 ft) depth varies from 35.3 along the eastern Somali coast to as high as 37.3 in the gulf's center, while the oxygen content in the Gulf of Aden
Aden
at the same depth is typically between 4.0 and 5.0 mg/L.

COMMERCE AND TRADE

A dhow in the Gulf of Aden.

The Gulf of Aden
Aden
is a vital waterway for shipping, especially for Persian Gulf
Persian Gulf
oil , making it an integral waterway in the world economy. Approximately 11 percent of the world's seaborne petroleum passes through the Gulf of Aden
Aden
on its way to the Suez Canal
Suez Canal
or to regional refineries. The main ports along the gulf are Aden
Aden
in Yemen , Djibouti
Djibouti
City in Djibouti
Djibouti
, and Zeila
Zeila
and Berbera
Berbera
in Somaliland and Bosaso in Somalia
Somalia
.

In earlier history, the city of Crater , located just south of the modern city of Aden, was an important port in regional trade. Crater was the principal harbor of the pre-Islamic kingdom of Awsan , and after its annexation by the kingdom of Saba at the end of the 5th century, played a significant role in connecting Africa with Arabia.

In the late 2000s, the gulf evolved into a hub of pirate activity. By 2013, attacks in the waters had steadily declined due to active private security and international navy patrols. India receives USD 50 billion in imports and sends USD 60 billion in exports through this area annually. Because of this and for the sake of protecting the trade of other countries, India keeps a warship escort in this area.

Also see Piracy in Gulf of Aden
Aden
.

ECOLOGY

See also: Persian gulf § Wildlife

A geologically young body of water, the Gulf of Aden
Aden
has a unique biodiversity that contains many varieties of fish , coral , seabirds and invertebrates . This rich ecological diversity has benefited from a relative lack of pollution during the history of human habitation around the gulf. However, environmental groups fear that the lack of a coordinated effort to control pollution may jeopardize the gulf's ecosphere . Whales , dolphins , and dugongs were once common before being severely reduced by commercial hunts, including by mass illegal hunts by Soviet Union and Japan in 1960s to 70s. Critically endangered Arabian humpback whales were used to be seen in large numbers, and only a few of large whales still occur in the gulf waters such as bryde\'s whales , blue whales , and toothed whales inhabiting deep-seas such as sperm whales and less known tropical bottlenose whales .

BORDERING COUNTRIES

* Northern shore:

* Yemen
Yemen

* Western shore:

* Djibouti
Djibouti

* Southern shore:

* Somalia
Somalia

TOWNS AND CITIES

Towns and cities on the Gulf of Aden
Aden
coast:

Maydh

* Aden
Aden
* Mukalla
Mukalla
* Shokra * Balhaf * Bir Ali * Djibouti
Djibouti
city * Obock
Obock
* Loyada
Loyada
* Zeila
Zeila
* Berbera
Berbera
* Maydh * Las Khorey * Bosaso

SEE ALSO

* Erythraean Sea , ancient name of the Gulf * Maritime Security Patrol Area * International fleet of vessels in the Gulf of Aden
Aden

IMAGES

Space Station photograph of the Gulf of Aden
Aden
and the Horn of Africa
Horn of Africa

NOTES

* ^ Dumper, Stanley, Michael, Bruce E. Cities of The Middle East and North Africa: A Historical Encyclopedia. ABC CLIO, Google Books. p. 90. * ^ Houtsma, M. Th. First encyclopaedia of Islam: 1913-1936. Google Books. p. 364. * ^ "Pirates fire on US cruise ship in hijack attempt: Yahoo! News". Yahoo!
Yahoo!
. Archived from the original on December 4, 2008. Retrieved 2008-12-04. * ^ "Limits of Oceans and Seas, 3rd edition" (PDF). International Hydrographic Organization. 1953. Retrieved 7 February 2010. * ^ A B "Hydrographic Survey Results". Report on Cruise No. 3 of R/V "Dr. Fridtjof Nansen." - Indian Ocean
Indian Ocean
Fishery and Development Programme - Pelagic Fish
Fish
Assessment Survey North Arabian Sea. Food and Agriculture Organization of the United Nations (FAO). 1975. Retrieved 2011-04-23. * ^ " Earth
Earth
from Space: The Gulf of Aden
Aden
– the gateway to Persian oil". European Space Agency. 2005-03-01. Retrieved 2008-04-04. * ^ " Red Sea
Red Sea
and the Gulf of Aden" (PDF). International Tanker Owners Pollution
Pollution
Federation (ITOPF). 2003. Retrieved 2008-04-04. * ^ Arnsdorf, Isaac (22 July 2013). "West Africa Pirates Seen Threatening Oil and Shipping". Bloomberg. Retrieved 23 July 2013. * ^ Gokhale, Nitin (2011). "India Takes Fight to Pirates". the-diplomat.com. The Diplomat . Retrieved 19 April 2011. * ^ " Red Sea
Red Sea
& Gulf of Aden". United Nations Environment Programme. 2005. Retrieved 2008-04-04. * ^ Nasr D.. Dugongs in the Red Sea
Red Sea
and Gulf of Aden * ^ Hoath R.. 2009. A Field Guide to the Mammals of Egypt. pp.112. The American University in Cairo Press . Retrieved on February 26. 2016 * ^ Jackson J.. 2006. Diving with Giants. pp.59. New Holland Publishers Ltd . Retrieved on December 17. 2014 * ^ http://www.int-res.com/articles/meps/149/m149p013.pdf * ^ http://www.pbs.org/odyssey/odyssey/20040430_log_transcript.html * ^ http://www.vliz.be/imisdocs/publications/246400.pdf. * ^ http://www.sailingluna.nl/Yemenn.htm * ^ Anderson, R. C.; Clark, R.; Madsen, P. T.; Johnson, C.; Kiszka, J.; Breysse, O. (2006). "Observations of Longman's Beaked Whale (Indopacetus pacificus) in the Western Indian Ocean". Aq. Mamm. 32 (2): 223–231. doi :10.1578/AM.32.2.2006.223 .

EXTERNAL LINKS

* Media related