A string-of-lakes in Ponderosa Pine needles: progressive leaf water and organic matter oxygen isotope enrichment and implications for tree-ring reconstructions

Rich Fiorella1, Steven Kannenberg2, William Anderegg2, James R Ehleringer3 and Russell K Monson4, (1)University of Utah, Salt Lake City, UT, United States, (2)University of Utah, School of Biological Sciences, Salt Lake City, UT, United States, (3)Univ Utah, Salt Lake City, UT, United States, (4)Univ of Arizona, Tucson, AZ, United States