Local variability of ice-core ammonium and black carbon records from Tunu and Summit, Greenland: Implications for long-term biomass burning reconstructions

McCrimmon, D., Chellman, N. J., Wensman, S. M., Murphy, C., McConnell, J. R. (2025). Local variability of ice-core ammonium and black carbon records from Tunu and Summit, Greenland: Implications for long-term biomass burning reconstructions, 4th US Ice Core Community Meeting: Minneapolis