Dendrochemistry of white mountain bristlecone pines: an investigation via synchrotron radiation scanning X-ray fluorescence microscopy G01023

Charlotte L Pearson, D. S. Dale, P. W. Brewer, M. W. Salzer, J. Lipton, S. W. Manning

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Synchrotron Radiation Scanning X-Ray Fluorescence Microscopy (SXFM) was used for the first spatially/temporally resolved investigation of the multielemental chemistry of bristlecone pine (Pinus longaeva D.K. Bailey). A new protocol was designed to apply this nondestructive method of analysis to this unique palaeoclimatological resource, extracting previously inaccessible dendrochemical information at subannual resolution from tree rings ranging from 1400 to 40 μm. The potential of Pinus longaeva was assessed for the reconstruction of multicentennial annual resolution sequences of elemental change, with specific focus on the identification of multielemental markers for major, climatically effective volcanic eruptions. Increases in calcium (Ca), strontium (Sr), manganese (Mn), and zinc (Zn) were identified in association with frost rings around AD1601, following the eruption of Huaynaputina, Peru, but these could not be directly attributed to volcanogenic changes in environmental chemistry. Elemental patterns for 500 years from five trees demonstrated little agreement indicating that, for the elements detected, this species may be unsuitable for temporal reconstructions of external chemistry. Further development of SXFM dendrochemical technique, however, offers much potential for future work.

Original languageEnglish (US)
Article numberG01023
JournalJournal of Geophysical Research: Space Physics
Volume114
Issue number1
DOIs
StatePublished - Mar 28 2009
Externally publishedYes

Fingerprint

Pinus longaeva
Fluorescence microscopy
fluorescence microscopy
Synchrotron radiation
X-ray fluorescence
mountains
volcanic eruptions
microscopy
synchrotron radiation
chemistry
environmental chemistry
X-radiation
volcanic eruption
Pinus
Scanning
X rays
Peru
frost
fluorescence
scanning

ASJC Scopus subject areas

  • Soil Science
  • Forestry
  • Water Science and Technology
  • Palaeontology
  • Atmospheric Science
  • Aquatic Science
  • Ecology

Cite this

Dendrochemistry of white mountain bristlecone pines : an investigation via synchrotron radiation scanning X-ray fluorescence microscopy G01023. / Pearson, Charlotte L; Dale, D. S.; Brewer, P. W.; Salzer, M. W.; Lipton, J.; Manning, S. W.

In: Journal of Geophysical Research: Space Physics, Vol. 114, No. 1, G01023, 28.03.2009.

Research output: Contribution to journalArticle

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