Alboran Sea

Definition: The Alboran Sea is a westernmost portion of the Mediterranean Sea, lying between the Iberian Peninsula and North Africa.

Overview: The Alboran Sea is located at the western end of the Mediterranean Sea, bordered to the north by Spain and to the south by Morocco and the Spanish exclave of Ceuta. To the east, it connects with the Mediterranean via the Strait of Gibraltar, and to the west, it merges with the Atlantic Ocean through the same strait. It is considered a transition zone between the Atlantic and Mediterranean waters, playing a significant role in oceanographic circulation and marine biodiversity.

Etymology/Origin: The name "Alboran" is derived from the Arabic word "al-Burūn" (البرون), referring to the former island and lighthouse of Al-Burūn, which may have been located near present-day Isla de Alborán. This small, uninhabited islet lies roughly in the center of the sea and historically served as a navigational landmark. The name likely originates from the Arabic root "b-r-w," associated with "light" or "beacon," possibly referencing the lighthouse.

Characteristics:

Surface Area: Approximately 57,000 square kilometers (22,000 sq mi).
Maximum Depth: Around 1,500 meters (4,920 ft), with deeper basins such as the Alboran Basin.
Oceanographic Features: The sea features a complex gyre system driven by the inflow of Atlantic water through the Strait of Gibraltar and the return flow of saltier, denser Mediterranean water at depth.
Biological Importance: The Alboran Sea supports diverse marine life, including several species of cetaceans (such as bottlenose dolphins, sperm whales, and killer whales), commercially important fish (e.g., sardines, tuna), and endangered species like the Mediterranean monk seal.
Geopolitical Relevance: The sea lies within the exclusive economic zones (EEZs) of Spain, Morocco, and Algeria (at its northeastern edge), making it an area of strategic maritime interest.

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