Moorea Lagoon - del18O and del13C Data Boiseau, M.; Ghil, M.; Juillet-Leclerc, A. Boiseau, M. Ghil, M. Juillet-Leclerc, A. PAGES 2k Network PAGES Australasia 2k earth science/paleoclimate/corals and sclerosponges (delta 18O,Porites lutea,null,per mil PDB,annual,corals and sclerosponges,averaged,isotope ratio mass spectrometry,N,null) earth science/paleoclimate/corals and sclerosponges (delta 13C,Porites lutea,null,per mil PDB,annual,corals and sclerosponges,averaged,isotope ratio mass spectrometry,N,null) earth science/paleoclimate/corals and sclerosponges (age,null,null,year Common Era,null,corals and sclerosponges,null,null,N,null) earth science/paleoclimate/corals and sclerosponges (delta 18O,Porites lutea,null,per mil PDB,null,corals and sclerosponges,interpolated,isotope ratio mass spectrometry,N,null) earth science/paleoclimate/corals and sclerosponges (delta 13C,Porites lutea,null,per mil PDB,null,corals and sclerosponges,interpolated,isotope ratio mass spectrometry,N,null) earth science/paleoclimate/corals and sclerosponges earth science/paleoclimate/corals and sclerosponges (Moorea Lagoon>LATITUDE -17.5>LONGITUDE -149.83) We study climate variability over interdecadal time scales from d13C and d18O records, measured in a Porites lutea coral core drilled in the Moorea lagoon. Previously, we demonstrated that the annual d18O variations reflect those in sea-surface temperature (SST), while the annual d13C variations record primarily cloud-cover changes. We apply two distinct spectral analysis methods to the d13C and d18O time series from 1853 to 1989. Our analysis of the d18O record shows a secular warming trend and a 35-year oscillation in temperatures over the last 137 years. A trend and a 34-year cycle are also found in the d13C record. The latter trend may be caused by either anthropogenic effects or a cloud-cover increase in this region of the Pacific Ocean, while the interdecadal oscillation appears to be related to changes in cloud cover, as well as in precipitation. NCDC-Paleoclimatology https://www.ncdc.noaa.gov/data-access/paleoclimatology-data - Bauer Bruce Investigator : Boiseau, M. Investigator : Ghil, M. Investigator : Juillet-Leclerc, A. 2003-08-01 ONLINE Files online, ASCII https://www.ncdc.noaa.gov/paleo/study/1876 https://www1.ncdc.noaa.gov/pub/data/paleo/coral/east_pacific/boiseau1999-avg_noaa.txt https://www1.ncdc.noaa.gov/pub/data/paleo/coral/east_pacific/boiseau1999_noaa.txt https://www1.ncdc.noaa.gov/pub/data/paleo/coral/east_pacific/boiseau1999-avg_noaa.txt https://www1.ncdc.noaa.gov/pub/data/paleo/coral/east_pacific/boiseau1999_noaa.txt English https://www.ncdc.noaa.gov/paleo/study/1876 https://www1.ncdc.noaa.gov/pub/data/paleo/coral/east_pacific/boiseau1999-avg_noaa.txt https://www1.ncdc.noaa.gov/pub/data/paleo/coral/east_pacific/boiseau1999_noaa.txt Boiseau, M.; Ghil, M.; Juillet-Leclerc, A1999Climatic trends and interdecadal variability from South-Central Pacific coral recordsGeophysical Research Letters26 START YEAR: 1852 AD * END YEAR: 1990 AD -149.83 -17.5 -149.83 -17.5