SO-WISE
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 …
Sea-ice extent
Retreat of Southern Hemisphere Sea Ice, 127 000 years BP
Sea ice is the cause of the largest uncertainties in climate model projections of polar change in the Southern Hemisphere (SH). During the Last Interglacial (LIG), between 130 000 and …
Artificial Intelligence Lab
The BAS AI Lab is a cross-disciplinary group of scientists and engineers leading in the application of AI and Data Science methods to tackle our greatest polar research challenges. AI …
Weddell Sea ice sheet and climate
In the south of the Weddell Sea lies the Ronne and Filchner Ice Shelves. During the coldest part of the last glacial period about 25,000 years ago, the ice in …
The role of Antarctic sea-ice in global climate
Sea-ice is frequently cited as a likely driver and propagator of abrupt climate change because of the rapid and far-reaching impact of its feedbacks. However, numerical climate models are still …
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 …
ICE-ARC
physicists, chemists, biologists, economists, and sociologists from 21 institutes in 11 countries across Europe assess the rapid retreat and collapse of Arctic sea-ice cover
Sea ice at both poles
17 March, 2017
What’s new about sea-ice data? Conditions in the Arctic in 2020 look set to be the hottest on record. We will soon learn of the impact of these conditions on …
The Antarctic Peninsula’s retreating ice shelves
1 January, 2012
The breakout in March 2008 of the Wilkins Ice Shelf on the Antarctic Peninsula is the latest drama in a region that has experienced unprecedented warming over the last 50 …
Artificial intelligence to help predict Arctic sea ice loss
26 August, 2021
A new AI (artificial intelligence) tool is set to enable scientists to more accurately forecast Arctic sea ice conditions months into the future. The improved predictions could underpin new early-warning …
Warming Western Antarctic Peninsula waters impact plankton community
17 August, 2021
Warming water and receding sea ice in the Western Antarctic Peninsula is changing the local plankton community with potential consequences for climate change, according to an international team of researchers. …
Past evidence supports complete loss of Arctic sea-ice by 2035
10 August, 2020
A new study, published this week in the journal Nature Climate Change, supports predictions that the Arctic could be free of sea ice by 2035. High temperatures in the Arctic …
Antarctic sea ice loss explained in new study
17 June, 2020
Scientists have discovered that summer sea ice in the Weddell Sea area of Antarctica has decreased by one million square kilometres – an area twice the size of Spain – …
Arctic sea ice loss in past linked to abrupt climate events
12 February, 2019
A new study on ice cores shows that reductions in sea ice in the Arctic in the period between 30-100,000 years ago led to major climate events. During this period, …
FEATURED PAPER: Sea-ice loss impacts Northern Hemisphere
20 June, 2018
This study, led by scientists from the British Antarctic Survey, suggests that sea-ice loss in different regions of the Arctic, and of different amounts, leads to different effects on surface …
Study sheds new light on krill larvae survival
14 November, 2017
An international study involving British Antarctic Survey (BAS) scientists has shed light on how the larvae of Antarctic krill – small shrimp-like crustaceans – use sea ice to ensure their …
New study calls for unified research to understand changing ecosystems
2 October, 2017
A new multidisciplinary study led by scientists at British Antarctic Study (BAS) stresses the need for an integrated approach to understand the effects of climate change on Antarctic marine ecosystems. …
Arctic sea ice at minimum extent for 2017
25 September, 2017
Arctic sea ice extent has likely reached its minimum extent for the year, at 4.64 million square kilometers (1.79 million square miles) on September 13, 2017, according to a team …
UK scientists to explore Changing Arctic Ocean
3 July, 2017
A new £10 million research programme to investigate how the Arctic Ocean is changing kicked off last week (Friday 30 June) with its first research expedition to the Barents Sea. …
Storms caused massive Antarctic sea ice loss in 2016
23 June, 2017
A series of unprecedented storms over the Southern Ocean likely caused the most dramatic decline in Antarctic sea ice seen to date, a new study finds. Antarctic sea ice – …
Antarctic sea ice extent lowest on record
16 February, 2017
This year the extent of summer sea ice in the Antarctic is the lowest on record. The Antarctic sea ice minimum marks the day – typically towards end of February …
FEATURED PAPER: Sea-ice reduction
18 October, 2016
A team of British climate scientists comparing today’s environment with the warm period before the last ice age has discovered a 65% reduction of Antarctic sea ice around 128,000 years …
New polar ship reaches first construction milestone
17 October, 2016
Keel-laying ceremony at Cammell Laird
Arctic sea ice heading towards second lowest on record
15 September, 2016
This year the extent of summer sea ice in the Arctic is heading towards being the second lowest on record. The Arctic sea ice minimum marks the day – typically …
New Antarctic ice discovery aids future climate predictions
16 August, 2016
A team of British climate scientists comparing today’s environment with the warm period before the last ice age has discovered a 65% reduction of Antarctic sea ice around 128,000 years …
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: New polar ship bidder selected
12 October, 2015
Government announces preferred bidder to build new polar ship Minister of State for Universities and Science, Jo Johnson announced today that the preferred bidder to build a new polar research …
NEWS STORY: Arctic sea ice 2015
17 September, 2015
Arctic sea ice 2015 On September 11, the National Snow and Ice Data Centre (NSIDC) reported that Arctic sea ice reached its likely minimum extent for 2015. The minimum ice …
NEWS STORY: NERC to invest £16m in Arctic Ocean change research
30 July, 2015
The Natural Environment Research Council (NERC) has announced it will invest £16m in research to study the effects of dramatic changes in Arctic ice cover over the last three decades on …
NEWS STORY: Frozen in to the Arctic winter
10 March, 2015
Extreme science in extreme conditions: frozen in to the Arctic winter Dr Markus Frey, a British Antarctic Survey (BAS) ice and atmospheric scientist, is living and working aboard the Norwegian …
PRESS RELEASE: Mapping the ice from below
24 November, 2014
Underwater robot sheds new light on Antarctic sea ice The first detailed, high-resolution 3-D maps of Antarctic sea ice have been developed using an underwater robot. Scientists from the UK, …
NEWS STORY: Sea ice minimum explained
18 September, 2014
Arctic sea ice summer minimum 2014: A scientific perspective The Arctic sea ice minimum marks the day – typically in September – when sea ice reaches its smallest extent at …
NEWS STORY: Arctic sea ice trends
13 February, 2014
British Antarctic Survey coordinates Arctic sea-ice investigation Arctic sea-ice cover is retreating at an unprecedented rate. Scientists fear we may see the complete loss of sea ice during the summer …
PRESS RELEASE: Antarctic emperor penguins
8 January, 2014
Antarctic emperor penguins may be adapting to warmer temperatures A new study of four Antarctic emperor penguin colonies suggest that unexpected breeding behaviour may be a sign that the birds …
PRESS RELEASE: Changing winds increasing sea ice cover
11 November, 2012
Why Antarctic sea ice cover has increased under the effects of climate change The first direct evidence that marked changes to Antarctic sea ice drift have occurred over the last …