But we think we've got about a thirty-year tree-ring sequence.    From Wordnik.com.  [Crusader Gold]

A 1400-year tree-ring record of summer temperatures in Fennoscandia.    From Wordnik.com.  [Climate change impacts on Canadian Inuit in Nunavut] Reference

Long-term fluctuations of a caribou population revealed by tree-ring data.    From Wordnik.com.  [General characteristics of arctic species and their adaptations in the context of changes in climate and ultraviolet-B radiation levels] Reference

The relationship of tree-ring width to climate was investigated at all sites.    From Wordnik.com.  [Direct climate effects on tree growth in the Arctic] Reference

In effect, tree-ring width is used as a simple predictor of summer temperature.    From Wordnik.com.  [Tree rings and past climate in the Arctic] Reference

Similar changes in tree-ring variability along the transect were found for pine.    From Wordnik.com.  [Direct climate effects on tree growth in the Arctic] Reference

O'Bryan's tree-ring dates of A.D. 700-740 for charcoal fragments in the initial fill.    From Wordnik.com.  [The Architecture of Pueblo Bonito :] Reference

More from the tree-ring circus of Climate Research Unit "peer-reviewed" computer code.    From Wordnik.com.  [On Thursday, the Legg report will be published along with...] Reference

Moving from north to south, the start of the tree-ring growth season shifts to earlier dates.    From Wordnik.com.  [Direct climate effects on tree growth in the Arctic] Reference

The higher these two parameters, the greater the role of the environment in tree-ring growth.    From Wordnik.com.  [Direct climate effects on tree growth in the Arctic] Reference

Toward this second objective, the tree-ring method developed by Dr.A. E. Douglass, then director of.    From Wordnik.com.  [The Architecture of Pueblo Bonito :] Reference

A selection of Scots pine tree-ring width chronologies was collected from across Sweden (Fig. 14.24).    From Wordnik.com.  [Direct climate effects on tree growth in the Arctic] Reference

This section examines several aspects of high-resolution proxy records based on tree-ring chronologies.    From Wordnik.com.  [Tree rings and past climate in the Arctic] Reference

Twelve tree-ring dates recovered from the older part of town extend from A.D. 828 to 935; 44 dates from.    From Wordnik.com.  [The Architecture of Pueblo Bonito :] Reference

As they debated which data to use, they discussed a long tree-ring analysis carried out by Keith Briffa.    From Wordnik.com.  [Why those emails are lethal] Reference

It positively influences tracheid production and explains up to 70% of the variability in tree-ring width.    From Wordnik.com.  [Direct climate effects on tree growth in the Arctic] Reference

Responses of boreal conifers to climate fluctuations: indications from tree-ring widths and carbon isotope analyses.    From Wordnik.com.  [Direct climate effects on tree growth in the Arctic] Reference

In some of these, the scientists used tree-ring data over thousands of years to gain information about past climates.    From Wordnik.com.  [U.K. Panel Clears East Anglia Scientists of Malpractice] Reference

Local tree-ring width series for each of 11 sites were obtained by averaging standardized series of individual trees.    From Wordnik.com.  [Tree rings and past climate in the Arctic] Reference

The supra-long Scots pine tree-ring record for Finnish Lapland: Part 1, chronology construction and initial inferences.    From Wordnik.com.  [Arctic climate variability prior to 100 years BP] Reference

Evidence for a ‘Medieval Warm Period’ in a 1,100 year tree-ring reconstruction of summer temperatures in New Zealand.    From Wordnik.com.  [On Thursday, the Legg report will be published along with...] Reference

This retreat in the space of only 50 years coincides with an abrupt and large cooling as indicated in the tree-ring data.    From Wordnik.com.  [Arctic climate variability prior to 100 years BP] Reference

However, compared to other indirect sources of climatic information, tree-ring chronologies have certain important advantages.    From Wordnik.com.  [Tree rings and past climate in the Arctic] Reference

Available tree-ring dates as listed by Smiley (1951) lend credence to this theory of colonization since a majority — 49 from.    From Wordnik.com.  [The Architecture of Pueblo Bonito :] Reference

The number and range of tree-ring dates from major Chaco Canyon ruins, originally reported for the Pueblo Bonito Expeditions by.    From Wordnik.com.  [The Architecture of Pueblo Bonito :] Reference

The study used a hydrologic model and tree-ring based reconstructions of the Colorado River water supply for the past 500 years.    From Wordnik.com.  [REMARKS AS PREPARED FOR DELIVERY: COLORADO RIVER WATER USERS ASSOCIATION BY ANNE CASTLE] Reference

Specify period over which to compute the regressions (stop in 1960 to avoid the decline that affects tree-ring density records).    From Wordnik.com.  [On Thursday, the Legg report will be published along with...] Reference

Reconstruction of summer temperatures in interior Alaska from tree-ring proxies: evidence for changing synoptic climate regimes.    From Wordnik.com.  [Direct climate effects on tree growth in the Arctic] Reference

Summer temperatures in eastern Taimyr inferred from a 2427 - year late-Holocene tree-ring chronology and earlier floating series.    From Wordnik.com.  [Arctic climate variability prior to 100 years BP] Reference

In this region, winter precipitation has a strong negative effect on tree-ring growth, while June temperature has a positive influence.    From Wordnik.com.  [Direct climate effects on tree growth in the Arctic] Reference

Dendrochronology features in many of the studies, but this is not the only proxy data used, and different tree-ring series are employed.    From Wordnik.com.  [On Thursday, the Legg report will be published along with...] Reference

A 7400-year tree-ring chronology in northern Swedish Lapland: natural climatic variability expressed on annual to millennial timescales.    From Wordnik.com.  [Arctic climate variability prior to 100 years BP] Reference

The research that had produced the hockey stick had come from dendroclimatology, the reconstruction of past climates from tree-ring data.    From Wordnik.com.  [On Thursday, the Legg report will be published along with...] Reference

Roger's interview is metaphor, not tree-ring act, and it's important to remember that, though he was usually much more inarticulate than that.    From Wordnik.com.  [CNN Transcript Aug 30, 2009] Reference

Mr. Keenan hopes that now-retired professor Michael Baillie's tree-ring research could be used to determine historical temperatures, though Mr. Baillie disputes that.    From Wordnik.com.  [Free the Data, Save the Science] Reference