On the relationship between tree-ring and cumulative temperature in moun-(tainous) area of Urumqi River and reconstruction of (≥5.7℃) cumulative temperature
Abstract:To study the relationship between tree-ring growth of spruce (Picca Schrenkinna var. Tianschanica) and the its environmental temperature, 369 cumulative temperature series of 9 cumulative temperature types and 27 tree-ring index series of 9 residual chronologies were made at the Daxigou meteorological station located within a mountainous area in Urumqi River watershed. A stepwise regression method was used in the analysis and the results indicated there is a good correlation between tree-ring growth and the...