Press release: 31 May 2012
Arctic study of ocean acidification impacts
As the UK approaches summer with high hopes of good weather, a team of adventurous scientists will be setting sail for far chillier climes. Thirty researchers from eight laboratories will leave the UK on 1st June 2012 to study the effect of ocean acidification on the Norwegian, Barents and Greenland Seas.
They will travel as far north as polar ice will allow, collecting seawater samples from both the open water and gaps in the sea-ice. This study is the largest ever to examine the effects of altering carbon dioxide (CO2) levels in “real world” seawater samples directly after they are collected at sea.
Polar seas are expected to be especially sensitive to the effects of ocean acidification, since more CO2 dissolves in cold water, making Arctic waters a valuable natural example of how the marine environment will respond to a high CO2 world. Also, the chemical sensitivity of surface seawater in the Arctic means that it will become corrosive to calcium carbonate before anywhere else in the world. This could pose a serious problem for marine plankton and other organisms that use calcium carbonate for theirshells or skeletons.
During the expedition, the scientists will study the impact of the changing chemistry on marine organisms and ecosystems, the cycling of carbon and nutrients in the sea and how the sea interacts with the atmosphere to influence climate.
Two approaches will be used in this study. Firstly, the researchers will look at how ecosystems vary between areas where the chemistry of seawater is naturally more acidic or alkaline. By contrasting the observations over a range of different conditions, insights researchers will discover how acidification may affect organisms living in their natural environment, where natural selection and adaptation have had time to play out.
The second approach is experimental, using tanks of natural seawater collected from the upper ocean and brought into controlled conditions on deck. This natural seawater will be subjected to various levels of CO2 that are likely to occur in the future. The expedition, aboard the RRS James Clark Ross, will end on 4th July in Reykjavik, Iceland and members of the team will be blogging about their progress at www.arcticoacruise.org/?cat=1.
Dr Ray Leakey, Arctic Research Theme Leader at the Scottish Association for Marine Science (SAMS) and the leader of the current expedition says, “Few studies have investigated the effects of ocean acidification on the marine food web of the remote Arctic seas, and most have focused on laboratory cultures or natural communities from a limited number of relatively accessible coastal locations. By contrast our expedition will be by ship in both ice-covered and ice-free oceanic waters far from land. This will allow us to undertake the most comprehensive study to date of the ways in which the plants and animals living in the surface waters of the Arctic ocean respond to acidification.”
Dr Toby Tyrrell from the National Oceanography Centre and coordinator of the Sea Surface consortium added, “Following our cruise last year to the northwest European shelf (for more information please see Notes to Editors), this second cruise will visit the more remote Arctic Ocean which may well be more seriously affected by ocean acidification. The data collected will improve our understanding of future impacts, providing important information about the consequences of continuing to burn fossil fuels in enormous quantities (atmospheric CO2 is already 40% above its preindustrial level, and still climbing). Our final cruise, in 6 months time, will visit the other polar ocean, the Southern Ocean.”
The global ocean has absorbed about a third of the total CO2 produced by human activities in the past 200 years. This uptake of CO2 has greatly slowed the rate of human-driven climate change. It is also responsible for major changes to ocean chemistry, known as ocean acidification, with potentially serious implications for marine life.
The research is part of the UK Ocean Acidification Research Programme (UKOA), funded by the Natural Environment Research Council (NERC), the Department of Environment, Food and Rural Affairs (Defra) and the Department of Energy and Climate Change (DECC).
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Notes for editors
Cruise blog at www.arcticoacruise.org
Sea Surface consortium website: www.surfaceoa.org.uk
Cruise led by Dr Ray Leakey (firstname.lastname@example.org)
Project Coordinator: Dr Toby Tyrrell (Toby.Tyrrell@soton.ac.uk)
Knowledge Exchange Officer: Athena Drakou (email@example.com)
Participating universities and marine research centres
- British Antarctic Survey (BAS)
- Marine Biological Association (MBA)
- National Oceanography Centre (NOC) – University of Southampton
- National Oceanography Centre (NOC) – NERC
- Plymouth Marine Laboratory (PML)
- Scottish Association from Marine Science (SAMS)
- University College London (UCL)
- University of Essex
Info on 2011 cruise: On the 6th June 2011, the UK research vessel RRS Discovery left Liverpool docks to embark on the first research cruise in the large UK programme studying the impacts of ocean acidification. A consortium of 23 scientists from 8 different institutes were on the cruise, which ended on 11 July 2011. More information and the cruise’s journal can be read at http://noc.ac.uk/news/rrs-discovery-cruise-366.
For more information about the UK Ocean Acidification Research Programme (www.oceanacidification.org.uk) please contact: Dr Carol Turley, Knowledge Exchange Coordinator (firstname.lastname@example.org or +44 (0)1752 633100) or Dr Phil Williamson, Science Coordinator (email@example.com or +44 (0)1603 593111).
The £12M, 5 year UK Ocean Acidification Research Programme is funded by the Natural Environment Research Council (NERC), the Department for Environment, Food and Rural affairs (Defra) and the Department of Energy and Climate Change (DECC). Outputs from the programme will feed into the cross Government Climate Change Adaptation programme and it will make a significant contribution to the Living with Environmental Change (LWEC) programme. The UK programme will collaborate with international colleagues – primarily with the German BIOACID programme, the European research programme EPOCA, and the emerging US Ocean Acidification research programme.
The Natural Environment Research Council (NERC)
NERC is the UK’s main agency for funding and managing world-class research, training and knowledge exchange in the environmental sciences. It coordinates some of the world’s most exciting research projects, tackling major issues such as climate change, food security, environmental influences on human health, the genetic make-up of life on earth, and much more. NERC receives around £300 million a year from the government’s science budget, which it uses to fund research and training in universities and its own research centres.
Defra is the UK government department responsible for policy and regulations on the environment, food and rural affairs.
The Department of Energy and Climate Change (DECC)
DECC was created in October 2008, to bring together: energy policy (previously with BERR, which is now BIS – the Department for Business, Innovation and Skills, and climate change mitigation policy (previously with Defra – the Department for Environment, Food and Rural Affairs).
Living With Environmental Change (LWEC)
LWEC represents an unprecedented partnership of organisations funding, undertaking and using environmental research, including the Research Councils, government departments, devolved administrations and delivery agencies. The ten-year initiative will connect world-leading natural, engineering, economic, social, medical, cultural, arts, and humanities researchers with policy-makers, business, the public, and other key stakeholders. For more information on the Living With Environmental Change partnership contact Susan Ballard (T: +44 (0)1793 442896, E: firstname.lastname@example.org.