3. VARIABILITY OF THE ANTARCTIC CIRCUMPOLAR CURRENT AT DRAKE PASSAGE.

The article discusses a project to monitor the magnitude and variability of the Antarctic Circumpolar Current (ACC) through Drake Passage to give an access to intraseasonal, seasonal and interannual variations of the volume transport at Drake Passage (DP) since 1992. It also compares the transport time series taken from the International Southern Ocean Studies (ISOS) programme in the 1970's to estimate the evolution over 30 years. It refers to the Drake Passage as an entry point for water masses from the Pacific Ocean to the Atlantic Ocean where it undergo substantial modifications as it mix with water from antarctic origin.