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Spruce trees at Saltwater Pond,
Labrador, Canada. These centuries-old white spruce trees were sampled to help produce the
Saltwater Pond paleotemperature record. Photo credit: Jonathan Overpeck. |
| 56°30'N 61°57'W Reference: Jacoby and D'Arrigo, unpubl.
Proxy Type: tree-ring widths |

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| Standardized 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). |
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