noaa-ocean-15954 Cariaco Basin 2000-year seasonal Mg/Ca-SST Reconstruction Wurtzel, J.B.; Black, D.E.; Thunell, R.C.; Peterson, L.C.; Tappa, E.J.; Rahman, S. Cariaco Basin 2000-year seasonal Mg/Ca-SST Reconstruction 2014-01-21 NCDC-Paleoclimatology ONLINE Files Pending https://www.ncdc.noaa.gov/paleo/study/15954 Investigator J.B. Wurtzel Investigator D.E. Black Investigator R.C. Thunell Investigator L.C. Peterson Investigator E.J. Tappa Investigator S. Rahman earth science paleoclimate paleoceanography magnesium/calcium,Globigerinoides ruber pink,null,millimole per mole,null,paleoceanography,null,inductively-coupled plasma atomic emission spectroscopy,N,null earth science paleoclimate climate reconstructions|paleoceanography sea surface temperature,magnesium/calcium,null,degree Celsius,null,climate reconstructions|paleoceanography,null,null,N,using Black'07; Globigerina bulloides earth science paleoclimate climate reconstructions|paleoceanography sea surface temperature,magnesium/calcium,null,degree Celsius,null,climate reconstructions|paleoceanography,null,null,N,using Black'07; Globigerinoides ruber pink earth science paleoclimate paleoceanography depth,null,null,centimeter,null,paleoceanography,null,null,N,null earth science paleoclimate paleoceanography age,null,null,year Common Era,null,paleoceanography,null,null,N,null earth science paleoclimate paleoceanography magnesium/calcium,Globigerina bulloides,null,millimole per mole,null,paleoceanography,null,inductively-coupled plasma atomic emission spectroscopy,N,null earth science paleoclimate paleocean geochemistry earth science paleoclimate paleocean reconstruction geoscientificInformation Sea Surface Temperature Reconstruction -60 AD 2008 AD 2010 cal yr BP -58 cal yr BP Complete 10.6675 10.77 -64.77 -64.65 -503 -390 Ocean Atlantic Ocean North Atlantic Ocean PL07-73BC>LATITUDE 10.77>LONGITUDE -64.77 Ocean Atlantic Ocean North Atlantic Ocean PL07-72GGC>LATITUDE 10.762833>LONGITUDE -64.704167 Ocean Atlantic Ocean North Atlantic Ocean Cariaco Basin>LATITUDE >LONGITUDE Ocean Atlantic Ocean North Atlantic Ocean CAR25-1>LATITUDE 10.6675>LONGITUDE -64.650167 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 Wurtzel, J.B., D.E. Black, R.C. Thunell, L.C. Peterson, E.J. Tappa, and S. Rahman 2013 Geophysical Research Letters 40 22 5954-5958 10.1002/2013GL058458

We present a high-resolution Mg/Ca reconstruction of tropical Atlantic sea surface temperatures (SSTs) spanning the last 2000?years using seasonally representative foraminifera from the Cariaco Basin. The range of summer/fall SST over this interval is restricted to 1.5°C, while winter/spring SST varies by 4.5°C over the same time period suggesting that boreal winter variations control interannual SST variability in the tropical North Atlantic. Antiphasing between the two data sets, including a large divergence in the seasonal records circa 900 Common Era, can be explained by changes in Atlantic meridional overturning circulation and associated changes in surface/subsurface temperatures in the tropical North Atlantic as well as resultant changes in trade wind belt location and intensity. A statistically significant but nonlinear relation exists between reconstructed winter/spring temperatures and solar variability. STUDY NOTES: Spliced composite data record and 3 sets of individual core data. No SST available prior to 20BC, Composite record is spliced together using individual core age models (no depth available for full record).

GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/wurtzel2013/wurtzel2013-car25.txt Data File; CAR25-1 Data GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/wurtzel2013/wurtzel2013-composite.txt Data File; Composite SST Data GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/wurtzel2013/wurtzel2013-73bc.txt Data File; PL07-73BC Data GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/wurtzel2013/wurtzel2013-72ggc.txt Data File; PL07-72GGC Data USA/NOAA DIF Version 9.8.4 2019-04-22 2019-04-22