Knowledge and Geological techniques Comments understanding and skills d. The fragmentary Candidates should terrestrial record of understand the principles climate change contrasts behind the oxygen isotope with a near complete evidence for climate oceanic record: oxygen change and be able to isotope evidence analyse simple oxygen (18O/16O) from ocean isotope curves, linking them sediments provides to radiocarbon dates. evidence of climate fluctuations through the Quaternary. e. Ice core evidence for Candidates should know atmospheric change. how measurement of past concentrations of gases (including carbon dioxide and methane) in the atmosphere can be obtained directly from ice core data (Antarctica and Greenland) and how ice cores are dated to give a record of climatic climate.
Knowledge and understanding Geological techniques and skills Comments d. The fragmentary terrestrial record of climate change contrasts with a near complete oceanic record: oxygen isotope evidence (18O/16O) from ocean sediments provides evidence of climate fluctuations through the Quaternary. Candidates should understand the principles behind the oxygen isotope evidence for climate change and be able to analyse simple oxygen isotope curves, linking them to radiocarbon dates. e. Ice core evidence for atmospheric change. Candidates should know how measurement of past concentrations of gases (including carbon dioxide and methane) in the atmosphere can be obtained directly from ice core data (Antarctica and Greenland) and how ice cores are dated to give a record of climatic climate.
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