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Madeira island is at the top of a massive shield volcano that rises about 6 km (20,000 ft) from the floor of the Atlantic Ocean, on the Tore underwater mountain range. [61] The volcano formed atop an east–west rift [ 62 ] [ 63 ] in the oceanic crust along the African Plate , beginning during the Miocene epoch (5 million years ago), continuing ...
Groundwater on Madeira is held in fractured volcanic rock aquifers, with widely varying transmissivity and dissolved mineral content. Water is generally slightly acidic to slightly alkaline and cold, although there are small quantities of thermal water near fault zones. Much of the water on the island comes from high-discharge springs. [5]
The divide's central portion generally follows the easternmost ridge of the Blue Ridge Mountains and thus of the Appalachian Mountains as a whole, which takes the form of a high escarpment. In this portion, the western drainage of the divide flows into the watersheds of the New River and Tennessee River, both tributaries of the Ohio River.
Average max temperature in February: 21.3C Hours of sunshine per day: 6 For mild temperatures, hiking trails and 147 miles of volcanic coastline punctuated with traditional tapas haunts, the third ...
The Appalachian temperate rainforest has a cool and mild climate and meets the criteria of temperate rainforests identified by Alaback. [1] Temperature and precipitation are extremely variable with elevation, with rainforest conditions usually but not always concentrated around spruce–fir forests at higher elevations.
Deep ocean water is the name for cold, salty water found deep below the surface of Earth's oceans. Deep ocean water makes up about 90% of the volume of the oceans. Deep ocean water has a very uniform temperature of around 0-3 °C. Its salinity is about 3.5% or 35 ppt (parts per thousand). [3]
The rainfall was associated with an active cold front and an Atlantic low-pressure area that was over the Azores and moved northeastwards on 19 February 2010. [3]This storm was one in a series of such storms that affected Spain, Portugal, Morocco and the Canary Islands with flooding, rain and high winds.
The geology of Tennessee is as diverse as its landscapes. Politically, Tennessee is broken up into three Grand Divisions : East , Middle , and West Tennessee . [ 1 ] Physically, Tennessee is also separated into three main types of landforms: river valley plain, highlands and basins, and mountains.