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Radiocarbon in Annual Tree Rings from Thailand During the Pre-Bomb Period, Ad 1938–1954

Published online by Cambridge University Press:  18 July 2016

Quan Hua ,
Mike Barbetti  and
Ugo Zoppi
Quan Hua*
Affiliation:
Australian Nuclear Science and Technology Organisation (ANSTO), PMB 1, Menai NSW 2234, Australia
Mike Barbetti
Affiliation:
NWG Macintosh Centre for Quaternary Dating, Madsen Building F09, University of Sydney, NSW 2006, Australia
Ugo Zoppi
Affiliation:
Australian Nuclear Science and Technology Organisation (ANSTO), PMB 1, Menai NSW 2234, Australia
*
Corresponding author. Email: qhx@ansto.gov.au.
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Abstract

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Annual tree rings from Thailand were analyzed by radiocarbon AMS for AD 1938–1954. The results showed no significant depletion in atmospheric 14C over Thailand during the pre-bomb period, even though the air mass to Thailand during the growing season of tree rings is transported over a potentially significant source of oceanic 14C-depleted CO2, out-gassing in the northern Indian Ocean. When compared with Washington and Chile for different periods from the 17th century to AD 1954, Thailand appears to have the characteristics of Southern Hemisphere 14C. This supports our previous finding that Thailand was strongly influenced by the entrainment of Southern Hemisphere air parcels in the southwest Asian monsoon (Hua et al. 2004). For Thailand, this effect is much stronger than the reduction of atmospheric 14C in association with CO2 out-gassing in the northern Indian Ocean.

Type
Part II
Information
Radiocarbon , Volume 46 , Issue 2: Proceedings of the 18th International Radiocarbon Conference (Part 2 of 2), Conference Editors: Nancy Beavan Athfield, Rodger J Sparks , 2004 , pp. 925 - 932
Copyright
Copyright © The Arizona Board of Regents on behalf of the University of Arizona 

References

Buckley, BM, Barbetti, M, Watanasak, M, D'Arrigo, R, Boonchirdchoo, S, Sarutanon, S. 1995. Dendrochronological investigations in Thailand. IAWA Journal 16(4):393–409.Google Scholar
Damon, PE, Cheng, S, Linick, TW. 1989. Fine and hyper-fine structure in the spectrum of secular variations of atmospheric 14C. Radiocarbon 31(3):704–18.Google Scholar
D'Arrigo, RD, Barbetti, M, Watanasak, M, Buckley, BM, Krusic, P, Boonchirdchoo, S, Sarutanon, S. 1997. Progress in dendroclimatic studies of mountain pine in northern Thailand. IAWA Journal 18(4):433–44.Google Scholar
Dutta, K, Bhushan, K, Somayajulu, BLK. 2001. ΔR correction values for the northern Indian Ocean. Radiocarbon 43(2A):483–8.Google Scholar
Fink, D, Hotchkis, MAC, Hua, Q, Jacobsen, GE, Smith, AM, Zoppi, U, Child, D, Mifsud, C, van der Gaast, HA, Williams, AA, Williams, M. Forthcoming. The ANTARES AMS Facility at ANSTO. Nuclear Instruments and Methods in Physics Research B. Google Scholar
Hua, Q, Barbetti, M, Worbes, M, Head, J, Levchenko, VA. 1999. Review of radiocarbon data from atmospheric and tree ring samples for the period 1945–1997 AD. IAWA Journal 20(3):261–83.Google Scholar
Hua, Q, Barbetti, M, Jacobsen, GE, Zoppi, U, Lawson, EM. 2000. Bomb radiocarbon in annual tree rings from Thailand and Tasmania. Nuclear Instruments and Methods in Physics Research B 172:359–65.Google Scholar
Hua, Q, Jacobsen, GE, Zoppi, U, Lawson, EM, Williams, AA, Smith, AM, McGann, MJ. 2001. Progress in radiocarbon target preparation at the ANTARES AMS Centre. Radiocarbon 43(2A):275–82.Google Scholar
Hua, Q, Barbetti, M, Zoppi, U, Fink, D, Watanasak, M, Jacobsen, GE. Forthcoming. Radiocarbon in tropical tree rings during the Little Ice Age. Nuclear Instruments and Methods in Physics Research B. Google Scholar
Keeling, CD. 1968. Carbon dioxide in surface ocean waters 4. Global distribution of pCO2 . Journal of Geophysical Research 73:4543–53.Google Scholar
Lawson, EM, Elliott, G, Fallon, J, Fink, D, Hotchkis, MAC, Hua, Q, Jacobsen, GE, Lee, P, Smith, AM, Tuniz, C, Zoppi, U. 2000. AMS at ANTARES–the first 10 years. Nuclear Instruments and Methods in Physics Research B 172:95–9.Google Scholar
Lerman, JC, Mook, WG, Vogel, JC. 1970. C14 in tree rings from different localities. In: Olsson, IU, editor. Radiocarbon Variations and Absolute Chronology. Proceedings, XII Nobel Symposium. New York: Wiley. p 275–301.Google Scholar
Manning, SW, Barbetti, M, Kromer, B, Kuniholm, PI, Levin, I, Newton, MW, Reimer, PJ. 2002. No systematic early bias to Mediterranean 14C ages: radiocarbon measurements from tree-ring and air samples provide tight limits to age offsets. Radiocarbon 44(3):739–54.Google Scholar
McCormac, FG, Hogg, AG, Higham, TFG, Lynch-Stieglitz, J, Broecker, WS, Baillie, MGL, Palmer, J, Xiong, L, Pilcher, JR, Brown, D, Hoper, ST. 1998. Temporal variation in the interhemispheric 14C offset. Geophysical Research Letters 25(9):1321–4.Google Scholar
McCormac, FG, Reimer, PJ, Hogg, AG, Highham, TFG, Baillie, MGL, Palmer, J, Stuiver, M. 2002. Calibration of radiocarbon timescale for the Southern Hemisphere: AD 1850–950. Radiocarbon 44(3):641–51.Google Scholar
Nieuwolt, S. 1978. Tropical Climatology—An Introduction to the Climates of the Low Latitudes. Chichester: John Wiley & Sons.Google Scholar
Southon, J, Kashgarian, M, Fontugne, M, Metivier, B, Yim, W. 2002. Marine reservoir corrections for the Indian Ocean and Southeast Asia. Radiocarbon 44(1):167–80.Google Scholar
Stuiver, M. 1983. Business meeting: international agreements and the use of the new oxalic acid standard. Radiocarbon 25(2):793–5.Google Scholar
Stuiver, M, Braziunas, TF. 1998. Anthropogenic and solar components of hemispheric 14C. Geophysical Research Letters 25(3):329–32.Google Scholar
Stuiver, M, Östlund, HG. 1983. GEOSECS Indian Ocean and Mediterranean radiocarbon. Radiocarbon 25(1): 1–29.Google Scholar
Stuiver, M, Quay, PD. 1981. Atmospheric 14C changes resulting from fossil fuel CO2 release and cosmic ray flux variability. Earth and Planetary Science Letters 53:349–62.Google Scholar
Stuiver, M, Reimer, PJ, Braziunas, TF. 1998. Radiocarbon age calibration for terrestrial and marine samples. Radiocarbon 40(3):1127–51.Google Scholar
Suess, HE. 1955. Radiocarbon concentration in modern wood. Science 122:415–7.Google Scholar
Takahashi, T, Feely, RA, Weiss, RF, Wanninkhof, RH, Chipman, DW, Sutherland, SC, Takahashi, TT. 1997. Global air-sea flux of CO2: an estimate based on measurements of sea-air CO2 difference. Proceedings of the National Academy of Sciences USA 94:8292–9.Google Scholar