A 930-year ring-width chronology from moisture-sensitive white spruce (Picea glauca Moench) in northwestern Canada

A 930-year tree-ring chronology was constructed from living and subfossil white spruce ( Picea glauca Moench) from the Campbell Dolomite Upland, Northwest Territories, Canada. Response function analy sis using climate data from nearby Inuvik indicates that 69% of the variation in ring widths can be explained by monthly precipitation and temperature. Ring width is most strongly correlated with high precipitation between February and May. There is also a significant negative relationship between ring widths and tempera tures during the previous growing season. Periods of slow radial growth at AD 1820-1855, 1700-1710, 1585- 1610, 1395-1405, 1260-1300 and 1125-1170 are assumed to be associated with times of increased moisture stress. Periods of rapid growth at AD 1925-1940, 1770-1780, 1725-1740, 1510-1560, 1215-1260 and 1185- 1205 likely reflect higher precipitation and/or decreased moisture stress. This chronology is the oldest yet published from northwestern Canada and the first that provides a dendrohydrological record

Archaeology · Chronology · Climatology · Dendrochronology · Dendroclimatology · Geography · Holocene · Meteorology · Moisture · Moisture stress · Physical geography · Precipitation · Subfossil · Environmental Science · Geology and Paleoclimatology Research · Plant Water Relations and Carbon Dynamics · Tree-ring climate responses · Forestry · Geology

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