- published: 16 Dec 2015
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A delta is a landform that is formed at the mouth of a river, where that river flows into an ocean, sea, estuary, lake, or reservoir. Deltas are formed from the deposition of the sediment carried by the river as the flow leaves the mouth of the river. Over long periods of time, this deposition builds the characteristic geographic pattern of a river delta.
Contrary to popular belief, the term delta was not coined by Herodotus.
Joni Mitchell, CC (born Roberta Joan Anderson; November 7, 1943) is a Canadian musician, singer songwriter, and painter. Mitchell began singing in small nightclubs in Saskatchewan and Western Canada and then busking in the streets and dives of Toronto. In 1965 she moved to the United States and, touring constantly, began to be recognized when her original songs ("Urge for Going," "Chelsea Morning," "Both Sides, Now," "The Circle Game") were covered by notable folk singers, allowing her to sign with Reprise Records and record her own debut album in 1968. Settling in Southern California, Mitchell and her popular songs like "Big Yellow Taxi" and "Woodstock" helped define an era and a generation. Her more starkly personal 1971 recording Blue has been called one of the best albums ever made. Musically restless, Mitchell switched labels and began moving toward jazz rhythms by way of lush pop textures on 1974's Court and Spark, her best-selling LP, featuring her radio hits "Help Me" and "Free Man in Paris."
Alexandra Marguerite Clémentine Cousteau (born March 21, 1976) is the daughter of Philippe Cousteau and the granddaughter of world famous French explorer and filmmaker Jacques-Yves Cousteau. A dedicated environmentalist, Cousteau advocates the importance of conservation, restoration and sustainable management of water resources for a healthy planet and productive societies.
A member of the third generation of the Cousteau family to devote their lives to exploring and explaining the natural world, Cousteau first went on expedition with her father, Philippe Cousteau, when she was four months old, and learned to scuba dive with her grandfather, Jacques-Yves Cousteau, when she was seven. She grew up traveling the globe, developed a passion for adventure and learned firsthand the value of conserving the natural world. Of her father and grandfather, Cousteau says, "The best example they gave me was the importance of living a life of consequence, value, and meaning. I honor their memories by creating a legacy of my own in speaking out for the preservation of our blue planet and all its waters."