Drought and vegetation change in the central Rocky Mountains and western Great Plains: potential climatic mechanisms associated with megadrought conditions at 4200 cal yr BP
Data sets
Physical Sciences Division of NOAA, NOAA/NCDC monthly/seasonal mean time series from US Climate Division Dataset https://www.esrl.noaa.gov/psd/data/timeseries/
North American regional analysis https://doi.org/10.1175/BAMS-87-3-343
Climate variability and fire effects on quaking aspen in the central Rocky Mountains https://doi.org/10.1111/jbi.12932