Chronology development and climate response analysis of different New Zealand pink pine (&lt;i&gt;Halocarpus biformis&lt;/i&gt;) tree-ring parameters

Xiong, Limin; Okada, Naoki; Fujiwara, Takeshi; Ohta, Sadaaki; Palmer, Jonathan

doi:10.1139/cjfr-28-4-566

Cited by 5 publications

(4 citation statements)

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“…This explains why narrow rings contribute high values of earlywood density. Xiong et al (1998) also showed the high dendroclimatic potential of earlywood tree-ring parameters (early wood width and density) of New Zealand pink pine (Halocalpus biformis Hook).…”

Section: Discussionmentioning

confidence: 91%

Climatic implications of tree-ring density variations in Himalayan conifers

Borgaonkar

Kumar

Pant

et al. 2001

JPS

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The densitometric analysis of Himalayan conifers from six different sites reveals the strong association of ring density parameters with regional climate. Minimum earlywood density and total ring width are major contributors to the tree growth-climate relationship. It also indicates that pre-monsoon (March-April-May) temperature has significant positive relationship with earlywood density and significant negative correlation with total ring width. In case of precipitation, earlywood density gives negative relationship and ring width gives positive relationship with pre-monsoon precipitation. Latewood density parameters do not show any coherent pattern of relationship with climate. A strong association of earlywood density and ring width parameters may be due to severe moisture stress conditions occurring during the early phase of the growing season of the conifers over the region.

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Section: Discussionmentioning

confidence: 91%

Climatic implications of tree-ring density variations in Himalayan conifers

Borgaonkar

Kumar

Pant

et al. 2001

JPS

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“…Westland trees experience little water stress, and chronologies from Westland sites are not sensitive to precipitation (Fenwick, 2003). In comparison, annual rainfall is around 1,000 mm at Palmerston North, close to the Takapari site, and chronologies respond positively to late summer precipitation (Xiong et al, 1998). Chronologies from the Takapari site may be responding more strongly to decreased summer precipitation due to a change in circulation patterns following a volcanic event (McGraw et al, 2016;Salinger, 1998), or to a local variation in the cooling response.…”

Section: Site-based Comparison Of Speciesmentioning

confidence: 97%

“…In the Northern Hemisphere, more emphasis is now being placed on maximum latewood density (MXD) or mixed MDX and ring widths for investigations of volcanic cooling (Wilson et al, 2016;Zhu et al, 2020). For this study, we focussed only on ring widths as few investigations of alternative wood properties have been undertaken in New Zealand (Blake et al, 2020;Xiong et al, 1998).…”

Section: Implications For Temperature Reconstructionsmentioning

confidence: 99%

Do Southern Hemisphere tree rings record past volcanic events?

Higgins

Palmer

Turney

et al. 2021

Preprint

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Abstract. Much of our knowledge about the impacts of volcanic events on climate comes from proxy records. However, little is known about the impact of volcanoes on trees from the Southern Hemisphere. We investigated whether volcanic signals could be identified in ring widths from eight New Zealand dendrochronological species, using superposed epoch analysis. We found that most species are good recorders of volcanic dimming and that the magnitude and persistence of the post-event response can be broadly linked to plant life history traits. Across species, site-based factors, particularly altitude and exposure to prevailing conditions, are more important determinants of the strength of the volcanic response than the species. We then investigated whether proxy selection impacts the magnitude of post-volcanic cooling in tree-ring based temperature reconstructions by developing two new multispecies reconstructions of New Zealand summer (December–February) temperature. Both reconstructions showed temperature anomalies remarkably consistent with studies based on instrumental temperature, and with the ensemble mean response of climate models, demonstrating that New Zealand ring widths are reliable indicators of regional volcanic climate response. However, we also found that volcanic response is complex, with positive, negative, and neutral responses identified – sometimes within the same species group. Species-wide composites thus tend to underestimate the volcanic response. The has important implications for the development of future tree ring and multiproxy temperature reconstructions from the Southern Hemisphere.

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“…In the Northern Hemisphere, more emphasis is now being placed on maximum latewood density (MXD) or mixed MXD and ring widths for investigations of volcanic cooling (Wilson et al, 2016;Zhu et al, 2020). For this study, we focused only on ring widths, as few investigations of alternative wood properties have been undertaken in New Zealand (Blake et al, 2020;Xiong et al, 1998).…”

Section: Implications For Temperature Reconstructionsmentioning

confidence: 99%

Do Southern Hemisphere tree rings record past volcanic events? A case study from New Zealand

et al. 2022

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Abstract. Much of our knowledge about the impacts of volcanic eruptions on climate comes from proxy records. However, little is known about their impact on the low to mid-latitudes of the Southern Hemisphere. Using superposed epoch analysis, we investigated whether volcanic signals could be identified in annual tree-ring series from eight New Zealand dendrochronological species. We found that most species are reliable recorders of volcanic cooling and that the magnitude and persistence of the post-event response can be broadly linked to plant life history traits. Across species, site-based factors, particularly altitude and exposure to prevailing conditions, are more important determinants of the strength of the volcanic response than species. We then investigated whether chronology selection impacts the magnitude of post-volcanic cooling in tree-ring-based temperature reconstructions by developing two new multispecies reconstructions of New Zealand summer (December–February) temperature with one reconstruction from the pool of all available chronologies, and the other from a selected subset shown to be sensitive to volcanic eruptions. Both reconstructions record temperature anomalies that are remarkably consistent with studies based on instrumental temperature and the ensemble mean response of climate models, demonstrating that New Zealand ring widths are reliable indicators of regional volcanic climate response. However, we also found that volcanic response can be complex, with positive, negative, and neutral responses identified – sometimes within the same species group. Species-wide composites thus tend to underestimate the volcanic response. This has important implications for the development of future tree-ring and multiproxy temperature reconstructions from the Southern Hemisphere.

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Chronology development and climate response analysis of different New Zealand pink pine (<i>Halocarpus biformis</i>) tree-ring parameters

Cited by 5 publications

References 0 publications

Climatic implications of tree-ring density variations in Himalayan conifers

Climatic implications of tree-ring density variations in Himalayan conifers

Do Southern Hemisphere tree rings record past volcanic events?

Do Southern Hemisphere tree rings record past volcanic events? A case study from New Zealand

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