Lake Kumphawapi revisited – The complex climatic and environmental record of a tropical wetland in NE Thailand

Sakonvan Chawchai, Kweku Afrifa Yamoah, Rienk H. Smittenberg, Janita Kurkela, Minna Väliranta, Akkaneewut Chabangborn, Maarten Blaauw, Sherilyn C. Fritz, Paula J. Reimer, Barbara Wohlfarth

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Kumphawapi, which is Thailand’s largest natural freshwater lake, contains a >10,000-year-long climatic and environmental archive. New data sets (stratigraphy, chronology, hydrogen isotopes, plant macrofossil and charcoal records) for two sedimentary sequences are here combined with earlier multi-proxy studies to provide a comprehensive reconstruction of past climatic and environmental changes for Northeast Thailand. Gradually higher moisture availability due to a strengthening of the summer monsoon led to the formation of a large shallow lake in the Kumphawapi basin between >10,700 and c. 7000 cal. BP. The marked increase in moisture availability and lower evaporation between c. 7000 and 6400 cal. BP favoured the growth and expansion of vegetation in and around the shallow lake. The increase in biomass led to gradual overgrowing and infilling, to an apparent lake level lowering and to the development of a wetland. Multiple hiatuses are apparent in all investigated sequences between c. 6500 and 1400 cal. BP and are explained by periodic desiccation events of the wetland and erosion due to the subsequent lake level rise. The rise in lake level, which started c. 2000 cal. BP and reached shallower parts c. 1400 cal. BP, is attributed to an increase in effective moisture availability. The timing of hydroclimatic conditions during the past 2000 years cannot be resolved because of chronological limitations.

LanguageEnglish
Pages614-626
Number of pages13
JournalThe Holocene
Volume26
Issue number4
Early online date26 Oct 2015
DOIs
Publication statusPublished - Apr 2016

Fingerprint

lake level
wetland
moisture
lake
hydrogen isotope
sedimentary sequence
desiccation
charcoal
chronology
environmental change
monsoon
stratigraphy
evaporation
erosion
climate change
vegetation
biomass
summer
basin
Wetlands

Keywords

  • archaeology
  • Holocene
  • hydroclimate
  • multi-proxy lake sediment study
  • plant wax δD
  • Thailand

Cite this

Chawchai, S., Yamoah, K. A., Smittenberg, R. H., Kurkela, J., Väliranta, M., Chabangborn, A., ... Wohlfarth, B. (2016). Lake Kumphawapi revisited – The complex climatic and environmental record of a tropical wetland in NE Thailand. The Holocene, 26(4), 614-626. https://doi.org/10.1177/0959683615612565
Chawchai, Sakonvan ; Yamoah, Kweku Afrifa ; Smittenberg, Rienk H. ; Kurkela, Janita ; Väliranta, Minna ; Chabangborn, Akkaneewut ; Blaauw, Maarten ; Fritz, Sherilyn C. ; Reimer, Paula J. ; Wohlfarth, Barbara. / Lake Kumphawapi revisited – The complex climatic and environmental record of a tropical wetland in NE Thailand. In: The Holocene. 2016 ; Vol. 26, No. 4. pp. 614-626.
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Chawchai, S, Yamoah, KA, Smittenberg, RH, Kurkela, J, Väliranta, M, Chabangborn, A, Blaauw, M, Fritz, SC, Reimer, PJ & Wohlfarth, B 2016, 'Lake Kumphawapi revisited – The complex climatic and environmental record of a tropical wetland in NE Thailand', The Holocene, vol. 26, no. 4, pp. 614-626. https://doi.org/10.1177/0959683615612565

Lake Kumphawapi revisited – The complex climatic and environmental record of a tropical wetland in NE Thailand. / Chawchai, Sakonvan; Yamoah, Kweku Afrifa; Smittenberg, Rienk H.; Kurkela, Janita; Väliranta, Minna; Chabangborn, Akkaneewut; Blaauw, Maarten; Fritz, Sherilyn C.; Reimer, Paula J.; Wohlfarth, Barbara.

In: The Holocene, Vol. 26, No. 4, 04.2016, p. 614-626.

Research output: Contribution to journalArticle

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Chawchai S, Yamoah KA, Smittenberg RH, Kurkela J, Väliranta M, Chabangborn A et al. Lake Kumphawapi revisited – The complex climatic and environmental record of a tropical wetland in NE Thailand. The Holocene. 2016 Apr;26(4):614-626. https://doi.org/10.1177/0959683615612565