Pore Water Sampling (IMAGE) UiT The Arctic University of Norway Caption By extracting the pore water from the sediment cores, the scientist can measure the chemical processes associated with long term methane release. Photo: Maja Sojtaric, CAGE Credit Photo: Maja Sojtaric/CAGE - Centre for Arctic Gas Hydrate, Environment and Climate Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.