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The Bahamas is expected to be highly affected by sea level rise because at least 80% of the total land is below 10 meters elevation. [19] [20] As a small island developing state, the Bahamas is vulnerable to escalating disease outbreaks, and climate change could affect the seasonality of outbreaks and transmission of disease. [21]
The geology of the Bahamas has been researched since the mid-19th century. The islands include Aeolian sands and limestone built on the basement rock of the Florida-Bahamas Platform. The islands are used to infer sea levels based on the arrangement of reef deposits.
The oceanic zone is typically defined as the area of the ocean lying beyond the continental shelf (e.g. the neritic zone), but operationally is often referred to as beginning where the water depths drop to below 200 metres (660 ft), seaward from the coast into the open ocean with its pelagic zone.
Underwater dunes, Bahamas. Tongue of the Ocean is just above this closeup. Photo: NASA. The Tongue of the Ocean (TOTO) is the name of a region of much deeper water in the Bahamas separating the islands of Andros and New Providence.
A bathymetric chart is a type of isarithmic map that depicts the submerged bathymetry and physiographic features of ocean and sea bottoms. [1] Their primary purpose is to provide detailed depth contours of ocean topography as well as provide the size, shape and distribution of underwater features.
The slopes around them however, such as the border of the Tongue of the Ocean in the Great Bahama Bank, are very steep. The Banks were dry land during past ice ages, when sea level was as much as 120 meters (390 feet) lower than at present; the land area of the Bahamas today thus represents only a small fraction of their prehistoric extent.
Marine geology or geological oceanography is the study of the history and structure of the ocean floor. It involves geophysical, geochemical, sedimentological and paleontological investigations of the ocean floor and coastal zone. Marine geology has strong ties to geophysics and to physical oceanography.
The Blake Basin, also called the Blake–Bahama Basin, is a deep area of the Atlantic Ocean which runs along the east coast of the United States.It starts at the northern part of the Bahamas and continues up toward New York.