Hannah continues: “The clarity and turquoise colour in west Cornwall compared to say the North Sea or Bristol Channel is also because of the heavy sand particles which sit on the seabed, and lack of sediment swirling around in the water column.”
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Hannah continues: “The clarity and turquoise colour in west Cornwall compared to say the North Sea or Bristol Channel is also because of the heavy sand particles which sit on the seabed, and lack of sediment swirling around in the water column.”
Cornwall is home to some of the best beaches in the UK and in the world, so it is no surprise that it is a popular location for sea swimming. Sea swimming has so many health and mental benefits, not only stimulating the body but allowing you to appreciate the wonderful surroundings we have in the UK.
Generally the water quality is good in Cornwall. After periods of high rainfall, seawater can become contaminated with farmland or urban runoff. There is also the risk of sewage overflows releasing raw, untreated human waste into the ocean.
The sediment in Hawaii's oceans is made up of volcanic rock, coral, and shells which are heavy and not easily stirred up. The sediment quickly settles on the ocean floor, keeping the water clear.
The south coast of Cornwall is more subdued and indented than the north coast, and receives waves generated by winds across the English Channel as well as south-westerly ocean swell from the Atlantic (Bird 1998).
Cornwall has the mildest and sunniest climate in the United Kingdom, as a result of its oceanic setting and the influence of the Gulf Stream. The average annual temperature in Cornwall ranges from 11.6 °C (53 °F) on the Isles of Scilly to 9.8 °C (50 °F) in the central uplands.