Large tabular icebergs represent a disruptive influence on a stable water column when drifting in the open ocean. This is a study of one iceberg, C18A, encountered in the Powell Basin in the Weddell Sea in March 2009, formed from iceberg C18 (7637 km) originating from the Ross Ice Shelf in May 2002. C18A was lunate in shape with longest dimensions of 31 km37 km3184 m. The meltwater field from C...
