Reference: A. Tarussov, in Climate Since A.D.
1500, R.S. Bradley and P.D. Jones, Eds. (Routledge, London, 1992) pp. 505-516
Proxy Type: percent summer melt
Standardized proxy climate record reflecting surface air temperature. Red indicates
temperatures greater than one standard deviation warmer than average for the reference
period (1901-1960), whereas dark blue indicates at least one standard deviation colder
than this average. All series presented as five-year averages (see paper for more
explanation).