Tree rings
Publications are listed in chronological order; PDF indicates that a copy of the publication is available in the Publications menu
231. Brooks, J.R., L.B. Flanagan, and J.R. Ehleringer. 1998. Responses of boreal conifers to climate fluctuations: indications from tree-ring widths and carbon isotope analyses. Canadian Journal of Forest Research 28:524-533. PDF
245. Roden, J.S., and J.R. Ehleringer. 1999. Hydrogen and oxygen isotope ratios of tree-ring cellulose for riparian trees grown long-term under hydroponically controlled environments. Oecologia 121:467-477. PDF
249. Roden, J.S., G. Lin, and J.R. Ehleringer. 2000. A mechanistic model for interpretation of hydrogen and oxygen isotope ratios in tree-ring cellulose. Geochimica Cosmochimica Acta 64:21-35. PDF
255. Roden, J.S., and J.R. Ehleringer. 2000. Hydrogen and oxygen isotope ratios of tree-ring cellulose for field grown riparian trees. Oecologia 123:481-489. PDF
267. Roden, J.S., and J.R. Ehleringer. 2001. There is no temperature dependence of net biochemical fractionation of hydrogen and oxygen isotopes in tree-ring cellulose. Isotopes in Environmental and Health Studies 36:303-317. PDF
277. Roden, J.S., Lin, G., and J.R. Ehleringer. 2002. Response to the comment of V.J. Terwilliger on "A mechanistic model for interpretation of hydrogen and oxygen isotope ratios in tree-ring cellulose," by J.S. Roden, G. Lin, and J.R. Ehleringer 2000 Geochimica et Cosmochimica Acta 64:21-35. Geochimica et Cosmochimica Acta 66:733-734. PDF
285. Helliker, B.R., and J.R. Ehleringer. 2002. Grass blades as tree rings: environmentally induced changes in the oxygen isotope ratio of cellulose along the length of grass blades. New Phytologist 155:417-424. PDF
309. Barbour, M.M., J.S. Roden, G.D. Farquhar, and J.R. Ehleringer. 2004. Expressing leaf water and cellulose oxygen isotope ratios as enrichment above source water reveals evidence of a Péclet effect. Oecologia 138:426-435. PDF
339. Roden J.S., D.R. Bowling, N.G. McDowell, B.J. Bond, and J.R. Ehleringer. 2005. Carbon and oxygen isotope ratios of tree ring cellulose along a precipitation transect in Oregon, USA. Journal of Geophysical Research Biosciences 110, G02003, doi:1029/2005JG000033. PDF
364. Roden, J., and J.R. Ehleringer. 2007. Summer precipitation influences the stable oxygen and carbon isotopic composition of tree ring cellulose in Pinus ponderosa. Tree Physiology 27:491-501. PDF
475. Szejner, P., W.E. Wright, F. Babst, S. Belmecheri, V. Trouet, S.W. Leavitt, J.R. Ehleringer, and R.K. Monson. 2016. Latitudinal gradients in tree-ring carbon and oxygen isotopes reveal differential climate influences of the North American Monsoon System. Journal of Geophysical Research: Biogeosciences doi 10.1002/2016/JG003460. PDF
504. Szejner, P., D. Meko, W.E. Wright, S. Belmecheri, S. Leavitt, J.R. Ehleringer, and R.K. Monson. 2018. Disentangling seasonal and interannual lag effects on forest water demand and carbon assimilation using tree-ring isotopes. Global Change Biology https://doi.org/10.1111/gcb.14395. PDF
512. Szejner, P., S. Belmecheri, J.R. Ehleringer, and R.K. Monson. 2019. Increasing drought frequency causes multi-year legacies in semi-arid forests. Oecologia 192:241-259. https://doi.org/10.1007/s00442-019-04550-6. PDF
519. Kannenberg, S., R.E. Fiorella, W. Anderegg, R. Monson, and J.R. Ehleringer. 2020. Seasonal and diurnal trends in progressive isotope enrichment along needles in two pine species. Plant Cell and Environment 44:43-55. https://doi.org/10.1111/pce.13915 PDF
525. Kannenberg, S.A., A.W. Driscoll, P. Szejner, W.R.L. Anderegg, and J.R. Ehleringer. 2021. Rapid increases in shrubland and forest water-use efficiency during an ongoing megadrought. Proceedings of the National Academy of Sciences USA 118(52):e 2118052118 http://doi.org/10.1073/pnas.2118052118. PDF
527. Fiorella, R.P., S.A. Kannenberg. W.R.L. Anderegg, R.K. Monson, and J.R. Ehleringer. 2022. Heterogeneous isotope effects decouple conifer leaf and phloem sugar 18O and 13C. Oecologia 198:357-370. http://doi.org/10.1007/s0442-022-05121-y. PDF
531. Strange, B.M., R.K. Monson, P. Szejner, J.R. Ehleringer, and Hu, J. 2023. The North American Monsoon buffers forests against the ongoing megadrought in the Southwestern United States. Global Change Biology 29:4354-4367. https://doi.org/10.1111/gcb/16762 PDF
533. Ehleringer, J.R., and J.R. Brooks. 2024. In memoriam John Stephen Roden 1959-2023. Tree-Ring Research 80:27-29. PDF
536. Kannenberg, S.A., W.E. Wright, J.R. Ehleringer, and R.K. Monson. 2025. Tree ring 14C and 13C content reveal near complete reliance on fast cycling, young, stored carbon for growth in semiarid montane forests. New Phytologist 248:1728-1739. http://doi.org/10.1111/nph.70539 PDF
245. Roden, J.S., and J.R. Ehleringer. 1999. Hydrogen and oxygen isotope ratios of tree-ring cellulose for riparian trees grown long-term under hydroponically controlled environments. Oecologia 121:467-477. PDF
249. Roden, J.S., G. Lin, and J.R. Ehleringer. 2000. A mechanistic model for interpretation of hydrogen and oxygen isotope ratios in tree-ring cellulose. Geochimica Cosmochimica Acta 64:21-35. PDF
255. Roden, J.S., and J.R. Ehleringer. 2000. Hydrogen and oxygen isotope ratios of tree-ring cellulose for field grown riparian trees. Oecologia 123:481-489. PDF
267. Roden, J.S., and J.R. Ehleringer. 2001. There is no temperature dependence of net biochemical fractionation of hydrogen and oxygen isotopes in tree-ring cellulose. Isotopes in Environmental and Health Studies 36:303-317. PDF
277. Roden, J.S., Lin, G., and J.R. Ehleringer. 2002. Response to the comment of V.J. Terwilliger on "A mechanistic model for interpretation of hydrogen and oxygen isotope ratios in tree-ring cellulose," by J.S. Roden, G. Lin, and J.R. Ehleringer 2000 Geochimica et Cosmochimica Acta 64:21-35. Geochimica et Cosmochimica Acta 66:733-734. PDF
285. Helliker, B.R., and J.R. Ehleringer. 2002. Grass blades as tree rings: environmentally induced changes in the oxygen isotope ratio of cellulose along the length of grass blades. New Phytologist 155:417-424. PDF
309. Barbour, M.M., J.S. Roden, G.D. Farquhar, and J.R. Ehleringer. 2004. Expressing leaf water and cellulose oxygen isotope ratios as enrichment above source water reveals evidence of a Péclet effect. Oecologia 138:426-435. PDF
339. Roden J.S., D.R. Bowling, N.G. McDowell, B.J. Bond, and J.R. Ehleringer. 2005. Carbon and oxygen isotope ratios of tree ring cellulose along a precipitation transect in Oregon, USA. Journal of Geophysical Research Biosciences 110, G02003, doi:1029/2005JG000033. PDF
364. Roden, J., and J.R. Ehleringer. 2007. Summer precipitation influences the stable oxygen and carbon isotopic composition of tree ring cellulose in Pinus ponderosa. Tree Physiology 27:491-501. PDF
475. Szejner, P., W.E. Wright, F. Babst, S. Belmecheri, V. Trouet, S.W. Leavitt, J.R. Ehleringer, and R.K. Monson. 2016. Latitudinal gradients in tree-ring carbon and oxygen isotopes reveal differential climate influences of the North American Monsoon System. Journal of Geophysical Research: Biogeosciences doi 10.1002/2016/JG003460. PDF
504. Szejner, P., D. Meko, W.E. Wright, S. Belmecheri, S. Leavitt, J.R. Ehleringer, and R.K. Monson. 2018. Disentangling seasonal and interannual lag effects on forest water demand and carbon assimilation using tree-ring isotopes. Global Change Biology https://doi.org/10.1111/gcb.14395. PDF
512. Szejner, P., S. Belmecheri, J.R. Ehleringer, and R.K. Monson. 2019. Increasing drought frequency causes multi-year legacies in semi-arid forests. Oecologia 192:241-259. https://doi.org/10.1007/s00442-019-04550-6. PDF
519. Kannenberg, S., R.E. Fiorella, W. Anderegg, R. Monson, and J.R. Ehleringer. 2020. Seasonal and diurnal trends in progressive isotope enrichment along needles in two pine species. Plant Cell and Environment 44:43-55. https://doi.org/10.1111/pce.13915 PDF
525. Kannenberg, S.A., A.W. Driscoll, P. Szejner, W.R.L. Anderegg, and J.R. Ehleringer. 2021. Rapid increases in shrubland and forest water-use efficiency during an ongoing megadrought. Proceedings of the National Academy of Sciences USA 118(52):e 2118052118 http://doi.org/10.1073/pnas.2118052118. PDF
527. Fiorella, R.P., S.A. Kannenberg. W.R.L. Anderegg, R.K. Monson, and J.R. Ehleringer. 2022. Heterogeneous isotope effects decouple conifer leaf and phloem sugar 18O and 13C. Oecologia 198:357-370. http://doi.org/10.1007/s0442-022-05121-y. PDF
531. Strange, B.M., R.K. Monson, P. Szejner, J.R. Ehleringer, and Hu, J. 2023. The North American Monsoon buffers forests against the ongoing megadrought in the Southwestern United States. Global Change Biology 29:4354-4367. https://doi.org/10.1111/gcb/16762 PDF
533. Ehleringer, J.R., and J.R. Brooks. 2024. In memoriam John Stephen Roden 1959-2023. Tree-Ring Research 80:27-29. PDF
536. Kannenberg, S.A., W.E. Wright, J.R. Ehleringer, and R.K. Monson. 2025. Tree ring 14C and 13C content reveal near complete reliance on fast cycling, young, stored carbon for growth in semiarid montane forests. New Phytologist 248:1728-1739. http://doi.org/10.1111/nph.70539 PDF