Hostname: page-component-8448b6f56d-t5pn6 Total loading time: 0 Render date: 2024-04-15T14:44:12.463Z Has data issue: false hasContentIssue false
  • English
  • Français

Low-Temperature and Temperature Stepped-Combustion of Terrace Sediments from Nanfu, Taiwan

Published online by Cambridge University Press:  09 February 2016

Shing-Lin Wang ,
George S Burr ,
Yue-Gau Chen ,
Yin Lin  and
Tzu-Shuan Wu
Shing-Lin Wang*
Affiliation:
Department of Geosciences, National Taiwan University, Taiwan
George S Burr
Affiliation:
Department of Geosciences, National Taiwan University, Taiwan NSF-Arizona AMS Laboratory, Department of Physics, University of Arizona, Tucson, Arizona, USA
Yue-Gau Chen
Affiliation:
Department of Geosciences, National Taiwan University, Taiwan
Yin Lin
Affiliation:
Department of Geosciences, National Taiwan University, Taiwan
Tzu-Shuan Wu
Affiliation:
Department of Geosciences, National Taiwan University, Taiwan
*
2Corresponding author. Email: jslwang@ntu.edu.tw.
Get access Rights & Permissions [Opens in a new window]

Abstract

We discuss a radiocarbon study of sediment samples collected from Nanfu terrace in western Taiwan. From these, we extracted humic acids (HA) and humin from the very fine and coarse grain-size fractions using a standard acid-alkali-acid pretreatment. The humin extracts were combusted at 400 and 1100 °C by stepped-combustion, to yield a low-temperature (LT) carbon component and a high-temperature (HT) carbon component. We compare the ages of the LT and HT humin fractions to the HA fractions, in samples collected at 2 depths within the Nanfu terrace. As in previous stepped-combustion studies on sediments, we find that the HA ages are the youngest on average, and overlap the LT ages, and that the carbon contained in the HT fraction is always distinctly older than the LT and HA ages. To better understand the relationship between 14C age and combustion temperature, we conducted an incremental stepped-combustion experiment with one of the samples (1E) using 50 °C steps that ranged from 300 to 1100 °C. The 14C results of the stepped-combustion products show a clear division between 2 isotopically identifiable carbon constituents, from carbon released below 400 °C and carbon released above 550 °C. By comparing the δ13C and 14C results, we find evidence for a third carbon isotopic component in the humin that is released when combusted at ∼500 °C.

Type
Articles
Information
Radiocarbon , Volume 55 , Issue 2: Proceedings of the 21st International Radiocarbon Conference (Part 1 of 2) , 2013 , pp. 553 - 562
Copyright
Copyright © 2013 by the Arizona Board of Regents on behalf of the University of Arizona 

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Anderson, DW, Paul, EA. 1984. Organo-mineral complexes and their study by radiocarbon dating. Soil Science Society of America Journal 48(2):298–301.Google Scholar
Balesdent, J, Besnard, E, Arrouays, D, Chenu, C. 1998. The dynamics of carbon in particle-size fractions of soil in a forest-cultivation sequence. Plant and Soil 201(1):49–57.Google Scholar
Brock, F, Froese, DG, Roberts, RG. 2010. Low temperature (LT) combustion of sediments does not necessarily provide accurate radiocarbon ages for site chronology. Quaternary Geochronology 5(6):625–30.CrossRefGoogle Scholar
Burr, GS, McGeehin, J, Chen, YG, Mayer, J, Leonard, A, Cheng, L, Jull, AJT. 2009. Radiocarbon in clay minerals: a stepped-combustion approach. Abstract P-109. 20th International Radiocarbon Conference. 31 May–5 June 2009. Kona, Hawaii.Google Scholar
Chen, WS, editor. 2006. Trenching and Paleoseismology Research and OSL Dating. Central Geological Survey, Taipei Report 95-08-1. 146 p. In Chinese.Google Scholar
Chen, YG, Liu, TK. 1996. Sea level changes in the last several thousand years, Penghu Islands, Taiwan Strait. Quaternary Research 45(3):254–62.Google Scholar
Eusterhues, K, Rumpel, C, Kleber, M, Kögel-Knabner, I. 2003. Stabilization of soil organic matter by interactions with minerals as revealed by mineral dissolution and oxidative degradation. Organic Geochemistry 34(12):1591–600.Google Scholar
Head, MJ, Zhou, WJ. 2000. Evaluation of NaOH leaching techniques to extract humic acids from palaeosols. Nuclear Instruments and Methods in Physics Research B 172(1–4):434–9.Google Scholar
Liew, PM, Huang, SY. 1994. A 5000-year pollen record from Chitsai lake, central Taiwan. Terrestrial, Atmospheric and Oceanic Sciences 5(3):411–9.Google Scholar
Martin, CW, Johnson, WC. 1995. Variation in radiocarbon ages of soil organic matter fractions from late Quaternary buried soils. Quaternary Research 43(2):232–7.Google Scholar
Mayer, JH, Burr, GS, Holliday, VT. 2008. Comparisons and interpretations of charcoal and organic matter radiocarbon ages from buried soils in north-central Colorado, USA. Radiocarbon 50(3):331–46.Google Scholar
McGeehin, J, Burr, GS, Jull, AJT, Reines, D, Gosse, J, Davis, PT, Muhs, D, Southon, JR. 2001. Stepped-combustion 14C dating of sediment: a comparison with established techniques. Radiocarbon 43(2A):255–61.Google Scholar
McGeehin, J, Burr, GS, Hodgins, G, Bennett, SJ, Robbins, JA, Morehead, N, Markewich, H. 2004. Stepped combustion 14C dating of bomb carbon in lake sediment. Radiocarbon 46(2):893–900.Google Scholar
Ota, Y, Lin, YNN, Chen, YG, Matsuta, N, Watanuki, T, Chen, YW. 2009. Touhuanping Fault, an active wrench fault within fold-and-thrust belt in northwestern Taiwan, documented by spatial analysis of fluvial terraces. Tectonophysics 474(3–4):559–70.Google Scholar
Schöning, I, Kögel-Knabner, I. 2006. Chemical composition of young and old carbon pools throughout Cambisol and Luvisol profiles under forests. Soil Biology and Biochemistry 38(8):2411–24.CrossRefGoogle Scholar
Schöning, I, Morgenroth, G, Kögel-Knabner, I. 2005. O/N-alkyl and alkyl C are stabilized in fine size fractions of forest soils. Biogeochemistry 73(3):475–97.CrossRefGoogle Scholar
Shyu, JBH, Sieh, K, Chen, YG, Liu, CS. 2005. Neotectonic architecture of Taiwan and its implications for future large earthquakes. Journal of Geophysical Research 110: B08402, doi:10.1029/2004JB003251.Google Scholar
Six, J, Conant, RT, Paul, EA, Paustian, K. 2002. Stabilization mechanisms of soil organic matter: implications for C-saturation of soils. Plant and Soil 241:155–76.CrossRefGoogle Scholar
Sollins, P, Swanston, C, Kleber, M, Filley, T, Kramer, M, Crow, S, Caldwell, BA, Lajtha, K, Bowden, R. 2006. Organic C and N stabilization in a forest soil: evidence from sequential density fractionation. Soil Biology and Biochemistry 38(11):3313–24.Google Scholar
Stuiver, M, Reimer, PJ, Reimer, RW. 2005. CALIB 5.0. [WWW program and documentation]. http://calib.qub.ac.uk/calib/.Google Scholar
Suppe, J, Namson, J. 1979. Fault-bend origin of frontal folds of the western Taiwan fold-and-thrust belt. Petroleum Geology of Taiwan 16:1–18.Google Scholar
Sutton, R, Sposito, G. 2005. Molecular structure in soil humic substances: the new view. Environmental Science & Technology 39(23):9009–15.Google Scholar
Torn, MS, Trumbore, SE, Chadwick, OA, Vitousek, PM, Hendricks, DM. 1997. Mineral control of soil organic carbon storage and turnover. Nature 389(6647):170–3.Google Scholar
Trumbore, SE, Chadwick, OA, Amundson, R. 1996. Rapid exchange between soil carbon and atmospheric carbon dioxide driven by temperature change. Science 272(5260):393–6.Google Scholar
Wattel-Koekkoek, EJW, Ruurman, P, van der Plicht, J, Wattel, E, van Breemen, N. 2003. Mean residence time of soil organic matter associated with kaolinite and smectite. European Journal of Soil Science 54(2):269–78.Google Scholar
Xu, S, Hoshizumi, H, Ochiai, Y, Aoki, H, Uto, K. 2004. 14C dating of soil samples from the Unzen Volcano scientific drilling boreholes. Nuclear Instruments and Methods in Physics Research B 223–224:560–7.Google Scholar
Yu, S-B, Chen, HY, Kuo, LC. 1997. Velocity field of GPS stations in the Taiwan area. Tectonophysics 274(1–3):41–59.Google Scholar