Sentences with phrase «using alkenone»
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.
https://www.sciencedaily.com/ Not exact matches
A well - known issue with LGM proxies is that the most abundant type of proxy data, using the species composition of tiny marine organisms called foraminifera, probably underestimates sea surface cooling over vast stretches of the tropical oceans; other methods like alkenone and Mg / Ca ratios give colder temperatures (but aren't all coherent either).
Steve plotted the re-dated Science SI alkenones using the paper's «standard» weighted area mean 5 × 5 reconstruction (SI data spreadsheet page 2, column AJ) to produce remarkable «McIntyre 1»: