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Use "tree-ring" in a sentence
"Raw data (like tree-ring thickness, radioisotope of mud layers in a lake bottom, ice core analyses, etc.) are used as a proxy for reconstruction of the temperature record for 1000 AD to 1960 AD."
"My conclusion is that (a) I have absolutely no faith in any time series derived from ground-based temperature measurements and (b) I give no credence whatever to temperature histories concocted from tree-ring studies."
"Colorado Plateau tree-ring records reveal severe droughts between 1564 and 1600 and again from 1868 to 1892."