C14
One obvious signal is the misfit between raw C14 chronology and tree-ring counting which establishes the True C14 chronology. I'm sure if you research this topic you'll find a 10Kyr+ record of cosmic ray variation.
Space/Science » in reply to re: Heliospheric Response to Different Possible Interstellar Environments
One obvious signal is the misfit between raw C14 chronology and tree-ring counting which establishes the True C14 chronology. I'm sure if you research this topic you'll find a 10Kyr+ record of cosmic ray variation.