Articles | Volume 18, issue 24
https://doi.org/10.5194/bg-18-6393-2021
https://doi.org/10.5194/bg-18-6393-2021
Research article
 | 
14 Dec 2021
Research article |  | 14 Dec 2021

Evaluating the dendroclimatological potential of blue intensity on multiple conifer species from Tasmania and New Zealand

Rob Wilson, Kathy Allen, Patrick Baker, Gretel Boswijk, Brendan Buckley, Edward Cook, Rosanne D'Arrigo, Dan Druckenbrod, Anthony Fowler, Margaux Grandjean, Paul Krusic, and Jonathan Palmer

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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, 2002. 
Allen, K. J., Ogden, J., Buckley, B. M., Cook, E. R., and Baker, P. J.: The potential to reconstruct broadscale climate indices associated with southeast Australian droughts from Athrotaxis species, Tasmania, Clim. Dynam., 37, 1799–1821, https://doi.org/10.1007/s00382-011-1011-7, 2011. 
Allen, K. J., Lee, G., Ling, F., Allie, S., Willis, M., and Baker, P. J.: Palaeohydrology in climatological context: developing the case for use of remote predictors in Australian streamflow reconstructions, Appl. Geogr., 64, 132–152, https://doi.org/10.1016/j.apgeog.2015.09.007, 2015a. 
Allen, K. J., Nichols, S. C., Evans, R., Cook, E. R., Allie, S., Carson, G., Ling, F., and Baker, P. J.: Preliminary December–January inflow and streamflow reconstructions from tree rings for western Tasmania, southeastern Australia, Water Resour. Res., 51, 5487–5503, https://doi.org/10.1002/2015WR017062, 2015b. 
Allen, K. J., Fenwick, P., Palmer, J. G., Nichols, S. C., Cook, E. R., Buckley, B. M., and Baker, P. J.: A 1700-year Athrotaxis selaginoides tree-ring width chronology from southeastern Australia, Dendrochronologia, 45, 90–100, https://doi.org/10.1016/j.dendro.2017.07.004, 2017. 
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Short summary
We explore blue intensity (BI) – a low-cost method for measuring ring density – to enhance palaeoclimatology in Australasia. Calibration experiments, using several conifer species from Tasmania and New Zealand, model 50–80 % of the summer temperature variance. The implications of these results have profound consequences for high-resolution paleoclimatology in Australasia, as the speed and cheapness of BI generation could lead to a step change in our understanding of past climate in the region.
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