New methods using alkenones in marine sediments and coral studies are also described. (ossfoundation.us)
The new paper uses alkenones from the Svalbard islands and is among the first studies that present Arctic summer temperature change over the period from the end of the last Ice Age some 12000 years ago. (sciencedaily.com)
One approach to answer these important questions is the investigation of paleoclimate data like the ancient alkenones analyzed by van der Bilt and colleagues. (sciencedaily.com)