noaa-recon-17755 Santa Barbara Basin 640 Year Alkenone Sea Surface Temperature Zhao, M.; Eglinton, G.; Read, G.; Schimmelmann, A. Santa Barbara Basin 640 Year Alkenone Sea Surface Temperature 2015-01-12 NCDC-Paleoclimatology ONLINE Files Pending https://www.ncdc.noaa.gov/paleo/study/17755 Investigator M. Zhao Investigator G. Eglinton Investigator G. Read Investigator A. Schimmelmann earth science paleoclimate climate reconstructions|paleoceanography age,null,null,year Common Era,null,climate reconstructions|paleoceanography,null,null,N,revised age model earth science paleoclimate climate reconstructions|paleoceanography notes,null,null,null,null,climate reconstructions|paleoceanography,null,null,C,core ID earth science paleoclimate climate reconstructions|paleoceanography age,null,null,year Common Era,null,climate reconstructions|paleoceanography,null,null,N,null earth science paleoclimate climate reconstructions|paleoceanography sea surface temperature,alkenone unsaturation index,null,degree Celsius,null,climate reconstructions|paleoceanography,null,null,N,Prahl et al. 1998 calibration earth science paleoclimate reconstructions sea surface temperature geoscientificInformation PAGES Ocean 2k Sea Surface Temperature Reconstruction 1297 AD 1941 AD 653 cal yr BP 9 cal yr BP Complete 34.2267 34.2267 -120.0167 -120.0167 -590 -590 Ocean Pacific Ocean Eastern Pacific Ocean SABA87-2>LATITUDE 34.2267>LONGITUDE -120.0167 None Please cite original publication, online resource, dataset and publication DOIs (where available), and date accessed when using downloaded data. If there is no publication information, please cite investigator, title, online resource, and date accessed. The appearance of external links associated with a dataset does not constitute endorsement by the Department of Commerce/National Oceanic and Atmospheric Administration of external Web sites or the information, products or services contained therein. For other than authorized activities, the Department of Commerce/NOAA does not exercise any editorial control over the information you may find at these locations. These links are provided consistent with the stated purpose of this Department of Commerce/NOAA Web site. English DOC/NOAA/NESDIS/NCEI National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce https://www.ncdc.noaa.gov/data-access/paleoclimatology-data DATA Center Contact Bruce Bauer bruce.a.bauer@noaa.gov paleo@noaa.gov 303-497-6280 303-497-6513

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Boulder CO 80305-3328 USA online ASCII Meixun Zhao, Geoffrey Eglinton, Gareth Read, Arndt Schimmelmann 2000 Organic Geochemistry 31 9 903-917 10.1016/S0146-6380(00)00034-6 Ingrid L. Hendy, L. Dunn, A. Schimmelmann, D.K. Pak 2013 Quaternary International 310 155-168 10.1016/j.quaint.2012.09.006 Arndt Schimmelmann, Ingrid L. Hendy, Larianna Dunn, Dorothy K. Pak, and Carina B. Lange 2013 GFF 135 3-4 258-264 10.1080/11035897.2013.773066

Analyses for C37 alkenones (U37K') and total organic carbon (TOC) in a varved core from the depocenter of the Santa Barbara Basin (34deg13.5'N, 120deg01'W, 590 m water depth) have been made on an approximately 1-2 year basis from A.D. 1440 to 1940. The U37K'-based sea surface temperature (SST) record oscillates around 15.5C with an amplitude of less than 3C at approximately interannual, decadal, and centennial frequencies. Historical El Nino/Southern Oscillation (ENSO) events are matched only partially by warmer U37K' SSTs. Three records: our SST, a published Pacific coral d18O, and a published tree-ring temperature anomaly from the California valleys, show no evidence of colder temperatures during the Little Ice Age (ca. 1500 to 1840 A.D.). Significantly, there is a strong centennial-scale cyclicity in the U37K' SST record which approaches 1C in amplitude. TOC burial and alkenone fluxes are largely controlled by sedimentation rate as expressed in varve thickness. STUDY NOTES: High resolution (near-annual) alkenone-derived SST from varved sediments collected in the Santa Barbara Basin. The data were originally published in Zhao et al., 2000, also presented here with a recently thoroughly revised chronology. The alkenone-based SST record is a composite record of 2 marine sediment box cores, SABA87-2 and SABA88-1, retrieved from the same location. The data with revised chronology have been utilized in the PAGES Ocean2k synthesis effort (McGregor et al.).

GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/zhao2000/zhao2000.txt Data File; Alkenone SST Data on Original Zhao et al. 2000 Age Model GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/zhao2000/zhao2000revised.txt Data File; Alkenone SST Data on Revised Age Model USA/NOAA DIF Version 9.8.4 2018-12-11 2018-12-11