North Atlantic Deep Water be detected by its high salinity, high oxygen content, nutrient minima, high C/C, and chlorofluorocarbons (CFCs). CFCs are anthropogenic substances that enter the surface of the ocean from gas exchange with the atmosphere. This distinct composition allows its path to be traced as it mixes with Circumpolar Deep Water (CDW), which in turn fills the deep Indian Ocean and part of the South Pacific. NADW and its formation is essential to the Atlantic Meridional Overturning Circulation (AMOC), which is responsible for transporting large amounts of water, heat, salt, carbon, nutrients and other substances from the Tropical Atlantic to the Mid
The First Cut Is the Deepest The First Cut Is the Deepest "The First Cut Is the Deepest" is a 1967 song written by Cat Stevens, originally released by P. P. Arnold in May 1967. Stevens' own version originally appeared on his album "New Masters" in December 1967. The song has been widely recorded and has become a hit single for five different artists: P. P. Arnold (1967), Keith Hampshire (1973), Rod Stewart (1977), Dawn Penn (1994), Papa Dee (1995) and Sheryl Crow (2003). Stevens made a demo recording of "The First Cut Is the Deepest" in 1965, but originally hoped to become a songwriter. He