A deeper dive into wintry, carbon-absorbing Antarctic waters
Every year as the austral winter sets in, frigid Antarctic air blasts the Southern Ocean. The chill dissipates the warmth of the ocean's surface water, and cold, dense layers form in the sea's upper reaches. Known as Subantarctic Mode Water (SAMW), the cold water body amasses north of the Antarctic Circumpolar Current before sliding north into the ocean interior.
SAMW is an essential component of the global…