Palestina Cave, Peru 1,600 Year Stalagmite Stable Isotope Data Apaéstegui, J.; Cruz, F.W.; Sifeddine, A.; Vuille, M.; Espinoza, J.C.; Guyot, J.-L.; Khodri, M.; Strikis, N.; Santos, R.V.; Cheng, H.; Edwards, R.L.; Carvalho, E.; Santini, W. Apaéstegui, J. Cruz, F.W. Sifeddine, A. Vuille, M. Espinoza, J.C. Guyot, J.-L. Khodri, M. Strikis, N. Santos, R.V. Cheng, H. Edwards, R.L. Carvalho, E. Santini, W. earth science/paleoclimate/speleothems (depth,null,null,millimeter,null,speleothems,null,null,N,null) earth science/paleoclimate/speleothems (delta 18O,calcium carbonate,null,per mil VPDB,null,speleothems,composited,isotope ratio mass spectrometry,N,averaged from multiple samples) earth science/paleoclimate/speleothems (delta 13C,calcium carbonate,null,per mil VPDB,null,speleothems,composited,isotope ratio mass spectrometry,N,averaged from multiple samples) earth science/paleoclimate/speleothems (delta 18O,calcium carbonate,null,per mil VPDB,null,speleothems,raw,isotope ratio mass spectrometry,N,null) earth science/paleoclimate/speleothems (age,null,null,year Common Era,null,speleothems,null,null,N,null) earth science/paleoclimate/speleothems (delta 13C,calcium carbonate,null,per mil VPDB,null,speleothems,raw,isotope ratio mass spectrometry,N,null) earth science/paleoclimate/speleothems earth science/paleoclimate/speleothems (Palestina Cave>LATITUDE -5.92>LONGITUDE -77.35) In this paper we explore a speleothem d18O record from Palestina cave, northwestern Peru, at a site on the eastern side of the Andes cordillera, in the upper Amazon Basin. The d18O record is interpreted as a proxy for South American Summer Monsoon (SASM) intensity and allows the reconstruction of its variability during the last 1600 years. Two periods of anomalous changes in the climate mean state corresponding to the Medieval Climate Anomaly (MCA) and the Little Ice Age (LIA) periods identified in the Northern Hemisphere are recognized in the record, in which decreased and increased SASM activity, respectively, have been documented. Variations in SASM activity between the MCA and the LIA seem to be larger over the northern part of the continent, suggesting a latitudinal dependence of the MCA footprint. Our results, based on time series, composite and wavelet analyses, suggest that the Atlantic Multidecadal Oscillation (AMO) plays an relevant role for SASM modulation on multidecadal scales (~65 years), especially during dry periods such as the MCA. Composite analyses, applied to evaluate the influence of the AMO on the Palestina cave d18O and other d18O-derived SASM reconstructions, allow insight into the spatial footprints of the AMO over tropical South America and highlight differences between records during key studied periods. This work also reveals that replicating regional climate signals from different sites, and using different proxies is absolutely essential for a comprehensive understanding of past changes in SASM activity. STUDY NOTES: Stable Oxygen isotope record (d18O and d13C) of PAL3 and PAL4 speleothems from the palestina Cave in north western Andes of Peru. The composite record of Palestina spans the period between 421 to 1921 A.D. NCDC-Paleoclimatology https://www.ncdc.noaa.gov/data-access/paleoclimatology-data - Bauer Bruce Investigator : Apaéstegui, J. Investigator : Cruz, F.W. Investigator : Sifeddine, A. Investigator : Vuille, M. Investigator : Espinoza, J.C. Investigator : Guyot, J.-L. Investigator : Khodri, M. Investigator : Strikis, N. Investigator : Santos, R.V. Investigator : Cheng, H. Investigator : Edwards, R.L. Investigator : Carvalho, E. Investigator : Santini, W. 2015-09-29 ONLINE Files online, ASCII https://www.ncdc.noaa.gov/paleo/study/19301 https://www1.ncdc.noaa.gov/pub/data/paleo/speleothem/southamerica/peru/palestina2014.txt https://www1.ncdc.noaa.gov/pub/data/paleo/speleothem/southamerica/peru/palestina2014pal4.txt https://www1.ncdc.noaa.gov/pub/data/paleo/speleothem/southamerica/peru/palestina2014pal3.txt https://www1.ncdc.noaa.gov/pub/data/paleo/speleothem/southamerica/peru/palestina2014.txt https://www1.ncdc.noaa.gov/pub/data/paleo/speleothem/southamerica/peru/palestina2014pal4.txt https://www1.ncdc.noaa.gov/pub/data/paleo/speleothem/southamerica/peru/palestina2014pal3.txt English https://www.ncdc.noaa.gov/paleo/study/19301 https://www1.ncdc.noaa.gov/pub/data/paleo/speleothem/southamerica/peru/palestina2014.txt https://www1.ncdc.noaa.gov/pub/data/paleo/speleothem/southamerica/peru/palestina2014pal4.txt https://www1.ncdc.noaa.gov/pub/data/paleo/speleothem/southamerica/peru/palestina2014pal3.txt Apaéstegui, J., Cruz, F.W., Sifeddine, A., Vuille, M., Espinoza, J.C., Guyot, J.L., Khodri, M., Strikis, N., Santos, R.V., Cheng, H., Edwards, L., Carvalho, E., and Santini, W.2014Hydroclimate variability of the northwestern Amazon Basin near the Andean foothills of Peru related to the South American Monsoon System during the last 1600 yearsClimate of the Past1061967-198110.5194/cp-10-1967-2014http://www.clim-past.net/10/1967/2014/cp-10-1967-2014.html START YEAR: 413 AD * END YEAR: 1928 AD -77.35 -5.92 -77.35 -5.92