The work of IntCal is overseen by the IntCal working group and undertaken by divided between a number of sub-groups working on specific topics.
This is the main working group currently working on the next update to IntCal...
Absolutely dated tree rings with their age based on dendrochronology provide the best material for calibration purposes in the time period where they are available....
Floating tree rings provide very high resolution radiocarbon datasets which can be incorporated in the calibration curve...
Speleothems provide an invaluable resource for calibration purposes beyond the range of dendrochronology....
Ocean records provide not only a good resource for calibration datasets but also for understanding the changing nature of the carbon cycle within the oceans...
In addition to looking at records which give direct information on radiocarbon levels, it is important to understand the radiocarbon signal in relation to other key climate records...
Once we have the datasets needed for calibration, the next key element in generating calibration curves is to combine the information from these datasets...