| alt label |
|
||||||
|---|---|---|---|---|---|---|---|
| definition | Measure of time. The number of radiocarbon years before 1950, based on a nominal (and fictitiously constant) level of 14C in the atmosphere equal to the 1950 level. Radiocarbon years do not correspond | ||||||
| scope note | Measure of time. The number of radiocarbon years before 1950, based on a nominal (and fictitiously constant) level of 14C in the atmosphere equal to the 1950 level. Radiocarbon years do not correspond exactly to calendar years. Also know as the Conventional Radiocarbon Age (CRA). | ||||||
| type |
|
||||||
| in scheme |
|
||||||
| top concept of | uom original | ||||||