The Influence of ENSO/IOD on SST Signal in Kendari, Southeast Sulawesi Waters: 27-year-records of Sr/Ca from Porites corals
Vol. 2 No. 1 (2015), Articles
Vol. 2 No. 1 (2015)

The Influence of ENSO/IOD on SST Signal in Kendari, Southeast Sulawesi Waters: 27-year-records of Sr/Ca from Porites corals

Articles
https://doi.org/10.17014/ijog.2.1.43-51
Published 23-04-2015
Sri Yudawati Cahyarini
Research Centre for Geotechnology LIPI, Kompleks LIPI, Jln. Sangkuriang, Bandung
Suharsono Suharsono
Research Centre for Oceanography - LIPI. Jln. Pasir Putih I, Ancol Timur, Jakarta
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Keywords

Sr/Ca
Porites
coral
ENSO/IOD
Kendari

How to Cite

Cahyarini, S. Y., & Suharsono, S. (2015). The Influence of ENSO/IOD on SST Signal in Kendari, Southeast Sulawesi Waters: 27-year-records of Sr/Ca from Porites corals. Indonesian Journal on Geoscience, 2(1), 43–51. https://doi.org/10.17014/ijog.2.1.43-51
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Abstract

DOI:10.17014/ijog.2.1.43-51

Indonesia is an interesting and important location for a climate study, because it is located in the centre of a warm pool and adjacent to Pacific and Indian Oceans. Long records of climate data are required from this region to more understand the climate variability and the response of global warming. Geochemical proxies derived from Porites corals are believed to be an excellent climate recorder. Sr/Ca content in Porites corals from Kendari, Southeast Sulawesi shows that seasonal variability of SST is resolved by coral Sr/Ca from this region. The monsoon strongly influences reconstructed SST from coral Sr/Ca. Coral SST shows strong power spectrum at the 2.75 year period. Annual to interannual coral SST signal is stronger than the decadal to interdecadal signal. Both ENSO and IOD influence coral SST at two-month and three-month lags respectively.

https://doi.org/10.17014/ijog.2.1.43-51
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