Ocean circulation


We are constructing observationally-constrained estimates of the state of the Weddell Gyre, including associated ice shelves and sea ice Introduction In the 25 years between 1992 and 2017, ocean melting …

Modelling Movement of Antarctic Krill

The MMAK project is using state-of-the-art ocean-sea ice models to improve our understanding of processes that influence the distribution of krill in the South Orkney Islands region.

Dynamics of the Orkney Passage Outflow (DynOPO)

Dynamics of the Orkney Passage Outflow (DynOPO) is a collaboration between BAS, the University of Southampton and the National Oceanography Centre (NOC). The project aims to investigate the flow of …

A23 repeat section

Understanding Antarctic Bottom Water (AABW) and its affect on global ocean circulation.

Filchner Ice Shelf System, Antarctica

Understanding the contribution that polar ice sheets make to global sea-level rise is recognised internationally as urgent.  The mission of this five-year project is to capture new observations and data …

Underwater tsunamis created by glacier calving

23 November, 2022

Scientists on a research vessel in Antarctica watched the front of a glacier disintegrate and their measurements ‘went off the scale’. As well as witnessing disruptions on the ocean surface, …

New map of Southern Ocean floor

10 June, 2022

A new map of the seafloor of the Southern Ocean surrounding Antarctica provides the most accurate representation of this vast area to date. An international team of scientists, including several …

Boaty McBoatface sheds light on warming ocean abyss

18 June, 2019

The debut mission involving the autonomous submarine Autosub Long Range – affectionately  known as Boaty McBoatface –  has for the first time shed light on a key process linking increasing …

Wind-blown Antarctic sea ice helps drive ocean circulation

27 June, 2016

Antarctic sea ice is constantly on the move as powerful winds blow it away from the coast and out toward the open ocean. A new study published today in the journal Nature Geoscience (Monday 27 June) shows how that ice migration may be more important for the global ocean circulation than anyone realized.

NEWS STORY: Columns widespread in Southern Ocean

5 March, 2015

Oceanographers discover ‘Taylor columns’ are widespread in Southern Ocean according to new research published recently in the Journal of Geophysical Research Lead author Professor Mike Meredith, a Senior Oceanographer at …

NEWS STORY: Glacier project on stamps

25 November, 2014

Stamp of approval for iSTAR The iSTAR programme, which is looking at the stability of Pine Island Glacier in Antarctica, is featured in a new set of British Antarctic Territory …

NEWS STORY: Southern Ocean dynamics

2 June, 2014

The Southern Ocean: new insights into circulation, carbon and climate A special issue of the Philosophical Transactions of the Royal Society A has been published today (Monday 2 June) which …

NEWS STORY: Funding announced for new ship

25 April, 2014

New polar research ship for UK Chancellor of the Exchequer, the Rt Hon George Osborne MP announced this week (Friday 25 April 2014) that the Government has earmarked more than …

NEWS STORY: Crucial conditions for phytoplankton

16 March, 2014

Winter conditions crucial for phytoplankton growth in Southern Ocean An international team of researchers, including the British Antarctic Survey, has found new evidence that winter conditions in the Southern Ocean …

NEWS STORY: Submerged mountains aid ocean mixing

18 September, 2013

Undersea mountains provide crucial piece in climate prediction puzzle A mystery in the ocean near Antarctica has been solved by researchers who have long puzzled over how deep and mid-depth …

PRESS RELEASE: Surveying below the ice

17 March, 2009

Robot submarine searches for signs of melting under Antarctic Ice Shelf A team of British and American scientists has successfully deployed an autonomous robot submarine on six missions beneath an …