Indian Ocean Sea Surface Temperature Reconstruction --------------------------------------------------------------------- NOAA Paleoclimatology Program and World Data Center for Paleoclimatology, Boulder --------------------------------------------------------------------- NOTE: PLEASE CITE ORIGINAL REFERENCE WHEN USING THIS DATA!!!!! NAME OF DATA SET: Indian Ocean Sea Surface Temperature Reconstruction LAST UPDATE: 4/2003 (Original Receipt by WDC Paleo) CONTRIBUTOR: Edouard Bard, CEREGE IGBP PAGES/WDCA CONTRIBUTION SERIES NUMBER: 2003-027 SUGGESTED DATA CITATION: Bard, E., 2003, Indian Ocean Sea Surface Temperature Reconstruction, IGBP PAGES/World Data Center for Paleoclimatology Data Contribution Series #2003-027. NOAA/NGDC Paleoclimatology Program, Boulder CO, USA. ORIGINAL REFERENCE: Bard, E., F. Rostek, and C. Sonzogni. 1997. Interhemispheric synchrony of the last deglaciation inferred from alkenone palaeothermometry. Nature 385, 707-710. ADDITIONAL REFERENCES: Rostek, F., G. Ruhland, F. Bassinot, P.J. Müller, L. Labeyrie, Y. Lancelot, and E. Bard. 1993. Reconstructing sea surface temperature and salinity using d18O and alkenone records. Nature 364, 319-321. Rostek, F., E. Bard, L. Beaufort, C. Sonzogni, and G. Ganssen. 1997. Sea surface temperature and productivity records for the past 240 kyr in the Arabian Sea. Deep Sea Research II 44, 1461-1480. GEOGRAPHIC REGION: Indian Ocean. PERIOD OF RECORD: 171 KYrBP - present DESCRIPTION: Indian Ocean paleotemperature data set. Sea-surface temperatures were measured with the alkenone method (calibration of Prahl et al. 1988) For an Indian Ocean core tops calibration see: Sonzogni et al. (QUAT. RES. 47, 344-355 1997) Geochemical and geochronological data, together with some interpretations, can be found in the following papers: deep-sea core MD90963 (5°04'N, 73°53'E): Rostek et al. (1993) MD85674 (3°11'N, 50°26'E), MD85668 (0°01'N, 46°02'E), and MD79257 (20°24'S, 36°20'E): Bard et al. (1997) TY93929/P (13°42'N, 53°15'E): Rostek et al. (1997) DATA: 1. Core MD90963 age(kyr) SST(°C) 0.0 28.0 13.9 27.6 16.0 26.7 18.0 27.0 20.0 26.9 22.1 25.5 24.1 26.2 26.1 26.8 28.1 26.5 30.1 26.2 32.0 26.3 34.0 25.8 35.7 26.4 37.8 26.0 39.7 26.7 41.6 26.2 43.4 25.9 45.3 25.1 47.1 25.4 48.9 25.8 50.7 26.2 52.5 26.1 53.2 27.0 56.1 26.3 57.8 26.5 59.6 26.7 61.3 26.7 62.9 26.0 66.7 26.9 68.0 27.0 69.3 27.5 70.9 27.2 72.0 27.5 73.3 27.1 74.6 27.2 75.9 27.6 77.3 27.6 78.6 27.4 80.0 27.3 82.7 27.1 84.0 27.2 85.4 27.7 86.9 27.7 88.3 27.7 89.8 27.5 91.3 27.8 92.9 27.9 94.4 27.7 95.9 27.9 97.5 27.5 99.0 28.0 100.6 27.5 102.2 28.1 103.8 27.4 105.4 27.7 107.2 27.0 109.5 27.7 110.6 27.4 111.7 27.7 112.9 27.4 114.1 27.6 115.3 27.6 117.7 27.0 118.9 27.4 121.2 28.0 122.2 27.5 125.7 27.5 128.1 27.0 130.4 27.4 131.5 27.4 132.9 27.4 134.7 27.5 136.7 27.3 138.8 27.0 140.8 27.2 142.9 27.5 144.8 27.2 148.2 27.3 150.3 27.0 152.3 27.2 154.2 26.9 156.1 26.6 158.0 27.6 159.8 27.5 161.8 27.5 163.7 27.5 165.9 27.7 169.2 27.3 171.4 26.1 2. Core TY93929/P age(kyr) SST(°C) 2.3 25.9 4.3 26.2 5.2 26.1 6.2 25.7 7.2 26.3 8.2 26.0 9.1 24.8 10.1 25.3 11.1 26.2 12.1 25.8 12.8 26.5 13.5 26.1 14.2 24.9 15.0 25.3 15.7 24.4 16.4 24.5 17.1 24.2 17.9 24.4 18.3 24.8 18.7 24.0 19.2 25.0 19.6 24.5 20.1 24.8 20.5 24.5 21.0 25.0 21.4 24.9 21.8 24.0 22.3 24.7 22.7 24.2 23.2 25.3 23.4 25.6 23.6 25.1 23.9 26.0 24.1 25.6 25.5 25.2 26.9 25.9 29.8 26.0 31.2 25.6 32.6 25.8 34.0 26.7 35.4 26.5 36.8 26.7 38.2 25.9 39.6 24.7 41.1 25.5 42.5 25.5 43.9 24.4 44.9 23.3 46.0 25.0 47.0 25.0 48.1 24.9 49.2 23.2 50.2 23.8 51.1 23.5 52.0 23.9 52.8 23.9 53.7 24.4 54.6 23.5 55.5 24.3 57.2 23.2 59.0 24.7 61.5 24.4 64.1 25.2 66.5 24.2 68.8 24.7 69.6 23.8 70.3 24.4 72.1 23.4 73.9 25.0 75.2 25.1 76.6 24.9 77.9 24.5 79.3 26.0 81.2 25.5 83.2 26.3 85.1 26.0 87.1 26.5 89.0 26.1 91.0 26.2 91.6 26.5 92.3 26.1 92.9 26.4 93.6 26.4 94.2 26.5 94.9 25.7 95.6 26.0 96.2 26.0 97.8 25.3 99.4 26.8 101.3 26.5 103.3 26.9 105.2 26.8 107.0 26.6 108.9 26.7 110.8 26.9 114.1 27.4 117.3 27.2 120.6 27.5 123.8 27.6 125.3 27.5 126.8 27.4 128.3 27.3 129.8 27.0 130.7 27.3 131.6 26.4 132.5 26.9 133.4 26.8 134.2 27.0 135.1 25.8 137.3 27.0 139.5 26.7 143.8 26.3 148.2 25.7 152.6 25.6 3. Core MD79257 age(kyr) SST(°C) 1.2 26.8 1.5 26.9 2.1 26.9 3.8 27.2 4.3 27.4 4.7 27.2 5.3 27.1 5.7 27.1 6.1 27.3 6.4 27.4 6.7 27.5 7.1 27.5 7.2 26.8 7.4 27.2 7.9 26.6 8.0 26.5 8.0 26.5 8.0 26.6 8.1 26.5 8.1 26.4 8.1 26.6 8.2 26.8 8.3 26.7 8.5 26.8 8.7 26.8 8.9 26.9 9.2 26.9 9.4 26.1 9.6 26.3 9.8 26.3 10.1 26.1 10.2 26.4 10.4 26.3 10.5 26.2 10.7 26.1 10.9 26.4 11.0 26.3 11.1 26.4 11.3 26.2 11.4 26.3 11.5 26.0 11.7 25.8 11.9 25.9 12.0 25.8 12.2 25.8 12.4 26.1 12.6 26.0 12.8 25.9 13.1 26.0 13.4 26.1 13.8 26.1 14.3 26.1 14.7 26.1 15.2 25.9 15.7 24.9 16.3 24.7 16.9 24.6 17.4 25.4 18.0 24.6 18.9 25.0 19.6 24.2 20.4 25.0 20.7 25.3 21.2 25.4 21.8 25.1 22.3 25.3 22.9 25.3 23.4 25.2 23.9 25.4 24.6 25.6 25.0 25.3 25.5 25.9 26.0 25.8 26.6 26.0 27.1 25.8 27.6 25.1 28.2 25.3 28.7 25.6 29.3 25.8 29.8 25.6 30.3 25.5 30.8 25.9 31.3 25.7 31.9 25.6 32.4 26.0 32.9 25.3 33.5 25.4 34.0 26.2 34.6 26.1 35.2 26.3 35.8 25.7 36.4 25.6 37.0 25.8 37.6 25.9 38.3 25.6 39.0 25.7 39.7 25.8 40.5 26.2 41.3 26.0 42.1 26.5 43.0 26.6 43.9 26.7 44.9 26.4 4. Core MD85668 age (kyr) SST (°C) 0.0 26.7 0.8 26.7 2.2 26.5 3.7 26.3 5.2 26.1 7.3 26.4 9.3 25.7 11.3 25.6 13.4 26.0 15.2 25.9 16.8 26.2 18.0 25.5 18.7 25.6 19.2 25.1 19.7 25.6 20.2 25.5 20.8 25.3 21.3 26.2 22.1 26.6 24.6 26.5 27.2 26.4 29.9 26.3 33.7 26.1 37.6 26.3 41.4 26.1 44.9 26.4 47.4 26.0 49.8 26.1 51.4 26.7 53.2 26.6 55.1 26.6 57.0 26.6 58.9 26.7 60.9 26.1 63.0 26.1 65.2 26.1 67.3 26.0 69.3 26.0 71.4 26.6 73.4 26.4 75.3 26.8 76.9 26.6 78.5 27.3 80.2 27.3 81.9 26.7 83.7 26.8 85.5 27.2 87.6 26.9 90.0 26.7 92.7 27.1 95.4 27.2 98.3 27.2 101.6 27.3 104.9 27.5 108.3 26.9 112.4 26.9 116.7 27.0 120.9 27.6 124.2 27.7 126.3 28.1 128.3 27.8 130.4 27.2 132.5 27.0 134.7 26.3 136.9 26.3 139.1 26.2 141.2 26.4 143.4 26.4 145.6 26.8 147.8 26.4 149.6 26.3 151.5 26.6 5. Core MD85674 age(kyr) SST(°C) 0.0 26.9 0.3 26.6 0.5 26.6 0.8 27.0 2.0 26.9 2.9 26.6 3.8 27.5 4.7 27.1 5.5 27.3 6.5 26.8 7.7 26.6 9.4 27.0 10.9 26.6 12.8 26.4 13.8 26.5 14.9 26.5 16.0 26.5 16.8 26.0 17.3 25.7 17.7 25.7 18.1 25.7 18.6 25.4 19.2 25.5 19.7 25.6 20.2 25.6 20.7 25.2 21.2 25.9 21.7 26.3 22.6 26.1 24.5 26.5 26.1 26.5 27.7 26.4 29.2 26.3 32.0 26.4 33.9 26.1 36.3 25.9 38.7 26.2 41.5 26.3 43.4 25.9 45.9 26.1 48.3 26.2 49.8 26.3 50.1 26.3 50.8 26.1 51.1 26.3 51.5 26.3 52.7 26.5 53.9 26.6 55.2 26.6 56.4 26.4 57.2 26.3 58.3 26.6 59.5 26.6 60.7 26.7 62.1 26.2 63.4 25.9 65.1 25.7 66.4 25.8 67.4 25.8 68.1 25.6 69.5 25.8 70.2 26.0 70.9 26.5 71.6 26.5 72.5 26.3 73.2 26.9 73.8 26.7 74.2 26.9 74.9 26.8 75.3 26.9 76.3 27.0 77.2 27.1 78.3 27.3 79.3 27.4 80.2 27.5 80.7 27.5 81.2 27.6 81.9 27.6 82.8 26.8 83.2 26.9 85.1 26.7 86.7 27.0 88.3 26.9 89.3 26.8 90.3 26.5 91.3 26.5 92.3 26.5 93.3 26.6 94.5 27.0 95.4 27.3 96.5 27.3 97.8 27.5 99.7 27.4 101.2 27.4 102.4 27.5 104.9 27.3 106.2 27.0 107.8 26.8 109.7 26.7 111.8 26.6 114.2 26.6 116.2 26.7 116.7 26.7 117.5 26.8 118.7 27.0 119.8 27.2 120.9 27.6 121.9 27.7 123.0 27.7 124.0 27.8 126.1 27.9 127.6 27.8 129.2 27.8 130.7 27.5 132.4 27.3 133.4 26.9 134.6 26.3 135.6 26.0 136.9 26.1 138.2 26.0 139.2 26.1 140.4 25.7 141.7 26.1 142.9 26.4 143.8 26.3 145.2 26.7 146.5 26.6 147.5 26.6 148.7 26.6 149.0 26.7 149.2 26.2