Articles | Volume 18, issue 12
https://doi.org/10.5194/cp-18-2567-2022
https://doi.org/10.5194/cp-18-2567-2022
Research article
 | 
05 Dec 2022
Research article |  | 05 Dec 2022

Ring-width and blue-light chronologies of Podocarpus lawrencei from southeastern mainland Australia reveal a regional climate signal

Jacinda A. O'Connor, Benjamin J. Henley, Matthew T. Brookhouse, and Kathryn J. Allen

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Cited articles

Allen, K. J., Cook, E. R., Francey, R. J., and Michael, K.: The climatic response of Phyllocladus Aspleniifolius (Labill.) Hook. f in Tasmania, J. Biogeogr., 28, 305–316, https://doi.org/10.1046/j.1365-2699.2001.00546.x, 2001. 
Allen, K. J., Freund, M. B., Palmer, J. G., Simkin, R., Williams, L., Brookhouse, M., Cook, E. R., Stewart, S., and Baker, P. J.: Hydroclimate extremes in a north Australian drought reconstruction asymmetrically linked with Central Pacific Sea surface temperatures, Global Planet. Change, 195, 103329, https://doi.org/10.1016/j.gloplacha.2020.103329, 2020. 
Australian Bureau of Meteorology: Australian Gridded Climate Data (AGCD), Bureau of Meteorology [data set], https://doi.org/10.4227/166/5a8647d1c23e0, 2019. 
Björklund, J., Seftigen, K., Schweingruber, F., Fonti, P., von Arx, G., Bryukhanova, M. V., Cuny, H. E., Carrer, M., Castagneri, D., and Frank, D. C.: Cell size and wall dimensions drive distinct variability of earlywood and latewood density in Northern Hemisphere conifers, New Phytol., 216, 728–740, https://doi.org/10.1111/nph.14639, 2017. 
Björklund, J., Seftigen, K., Fonti, P., Nievergelt, D., and von Arx, G.: Dendroclimatic potential of dendroanatomy in temperature-sensitive Pinus sylvestris, Dendrochronologia, 60, 125673, https://doi.org/10.1016/j.dendro.2020.125673, 2020. 
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Tree-ring records provide a unique window into past climate variability. However, there are few such records from the Australian mainland. We present results from nine cross-sections of an alpine tree species from the Victorian Alps from 1929–1998. The tree-ring widths have significant correlations with winter temperature, precipitation and snow depth. The intensity of reflected blue light from the wood surface shows a strong response to growing season temperature and winter precipitation.