Relationship of the Tetra-unsaturated C37 Alkenone to Salinity and Temperature ----------------------------------------------------------------------- World Data Center for Paleoclimatology, Boulder and NOAA Paleoclimatology Program ----------------------------------------------------------------------- NOTE: PLEASE CITE CONTRIBUTORS WHEN USING THIS DATA!!!!! NAME OF DATA SET: Relationship of the Tetra-unsaturated C37 Alkenone to Salinity and Temperature LAST UPDATE: 3/2003 (Original Receipt by WDC Paleo) CONTRIBUTOR: Elisabeth L. Sikes, Rutgers University IGBP PAGES/WDCA CONTRIBUTION SERIES NUMBER: 2003-013 SUGGESTED DATA CITATION: Sikes, E. L. and M-A. Sicre, 2003, Relationship of the Tetra-unsaturated C37 Alkenone to Salinity and Temperature, IGBP PAGES/World Data Center for Paleoclimatology Data Contribution Series # 2003-013. NOAA/NGDC Paleoclimatology Program, Boulder CO, USA. ORIGINAL REFERENCE: Sikes, E. L. and M-A. Sicre, 2002, Relationship of the tetra-unsaturated C37 alkenone to salinity and temperature: implications for paleoproxy applications, Geochem. Geophys. Geosys., 3(11). doi: 10.1029/2002GC000345, 2002. ADDITIONAL REFERENCES: Sikes, E.L. and J.K. Volkman, 1993, Calibration of alkenone unsaturation ratios (Uk'37) for paleotemperature estimation in cold polar waters. Geochim. Cosmochim. Acta, 57, 1883-1889. Sicre, M.-A., E. Bard, U. Ezat, and F. Rostek, 2002, Alkenone distributions in the North Atlantic and Nordic sea surface waters, Geochem. Geophys. Geosys., 3(2), 1013, doi:10.1029/2001GC000159, 2002. GEOGRAPHIC REGION: Global PERIOD OF RECORD: Modern DESCRIPTION: Water column or sediment trap alkenone, SST, and salinity data from numerous locations around the world ocean. DATA: 1. Water Column Data, North Atlantic This data was previously published in: Sicre, M.-A., E. Bard, U. Ezat, and F. Rostek, Alkenone distributions in the North Atlantic and Nordic sea surface waters, Geochem. Geophys. Geosys., 3(2), 1013, doi:10.1029/2001GC000159, 2002. samples collected June-September 1999 on IMAGES V cruise on the Marion Dufresne Sample Lat. Long. In situ Salinity UK'37 UK37 %C37:4 C37 name Temp. PSU IMV SG23b 20m 76°44.02 N 2°19'88 W 4.6 34.7 0.18 -0.41 35 IMV..21c 25m 69°07.13 N 7°29'75 W 5.5 34.8 0.19 -0.12 21 12.1 SG42 6m 69°59.93 N 16°52'61 W 5.9 34.6 0.22 -0.02 24 9.2 IMV 24b 26m 66°33.20 N 10°06'69 W 7.8 34.7 0.25 -0.09 26 11.3 IMV..18d 6m 65°09.94 N 30°30'24 W 9.6 35.1 0.30 0.15 3 25.3 IMV..18c 21m 65°09.94 N 30°30'24 W 9.6 35.1 0.28 0.23 1 12.0 IMV..13a 10m 58°57.23 N 30°23'13 W 10.4 35.0 0.28 0.22 0 24.2 IMV..14a 25m 56°47.87 N 30°40'00 W 10.5 35.0 0.31 0.11 0 23.8 IMV..14c 1.5m 56°47.87 N 30°40'00 W 10.5 35.0 0.29 0.25 0 30.9 IMV 26b 15m 59°26.46 N 10°35'58 W 12.8 35.0 0.35 0.35 0 23.7 IMV 30c 23m 64°45.01 N 4°30'81 E 13.0 34.9 0.39 0.11 2 5.2 SG-HC83c 25m 58°48.03 N 13°53'33 W 14.9 35.3 0.45 0.45 0 49.1 SG-HC83b 5m 58°48.03 N 13°53'33 W 14.9 35.3 0.43 0.43 0 67.1 SG-HC 84b 19m 51°24.00 N 11°39'33 W 16.3 35.4 0.44 0.44 0 72.3 SG-HC85b 17m 48°04.65 N 9°30'36 W 17.0 35.5 0.51 0.51 0 79.5 SG-HC85d 5m 48°04.65 N 9°30'36 W 17.0 35.5 0.52 0.52 0 155.5 SG-HC84c 5m 51°24.00 N 11°39'33 W 17.0 35.4 0.46 0.46 0 76.3 Station 89a 10m 37°50.07 N 9°06.04 W 18.5 35.9 0.55 0.55 0 109.1 Station 87a 9m 38°83.52 N 9°21.89 W 18.7 35.9 0.54 0.54 0 112.2 Station 87b 9m 38°83.52 N 9°21.89 W 18.7 35.9 0.53 0.53 0 135.0 Station 91a 22m 36°43.03 N 8°15.54 W 18.7 36.1 0.58 0.58 0 41.4 SG29b 13m 75°06.93 N 11°20'17 W 4 34.2 0.23 -0.36 n.d. 3.4 IMV..1 22m 55°02.00 N 52°08.38 W 6 34.4 0.25 -0.34 34 1.0 IMV..12 46m 61°54.74 N 36°21'29 W 6.9 35.0 0.24 -0.02 3 5.4 IMV..7a 26m 50°11.55 N 45°40'62 W 7.5 35.0 0.29 0.22 2 15.1 IMV..10 30m 62°04.37 N 40°11'57 W 7.6 35.0 0.18 -0.23 5 9.3 IMV 24f 16m 66°33.20 N 10°06'69 W 8.1 34.6 0.18 -0.27 25 5.4 IMV 24d 6m 66°33.20 N 10°06'69 W 8.5 34.6 0.21 -0.06 15 8.8 IMV..12 6m 61°54.74 N 36°21'29 W 9 34.9 0.34 0.25 0 9.7 SGHC35c 29m 68°19.47 N 10°30'34 W 10 35.1 0.32 0.27 1 15.3 IMV..13b 2m 58°57.23 N 30°23'13 W 10.4 35.0 0.274 0.19 6 20.9 SGN57b 6m 61°59.37 N 23°59'38 W 11.9 35.1 0.43 0.33 2 4.4 Sation 95a 81m 36°23.61 N 7°03.75 W 16.3 36.4 0.48 0.48 0 7.0 Sation 93a 45m 36°16.56 N 7°44.48 W 17.7 36.2 0.51 0.51 0 41.6 Station 86b 9 m 42°08.21 N 9°40.99 W 20.1 35.7 0.67 0.2 0 5.7 2. Water Column Data, Southern Ocean This data was previously published in: Sikes, E.L. and J.K. Volkman, 1993, Calibration of alkenone unsaturation ratios (Uk'37) for paleotemperature estimation in cold polar waters. Geochim. Cosmochim. Acta, 57, 1883-1889, 1993. interpolated salinity data marked with * Collected October 1991 on the Aurora Australis AA1/91 filters Lat.(S) Long.(E) C37:4 C37:3 C37:2 SST°C UK:37 UK:37' %C37:4 total C37 salinity AA1/91-19 45 11 145 42 1.2 2.7 0.8 9.50 -0.09 0.23 25.5 4.7 34.7 AA1/91-20 45 11 145 44 0 8.2 2.4 9.50 0.23 0.23 0.0 10.6 34.7 AA1/91-21 46 25 145 05 0 3.8 1.9 9.50 0.33 0.33 0.0 5.7 34.7 AA1/91-22 46 27 145 05 0.2 6.4 2 9.50 0.21 0.24 2.3 8.6 34.7 AA1/91-24 47 60 144 22 0.2 5.8 2.4 8.80 0.26 0.29 2.4 8.4 34.4* AA1/91-27 50 13 143 11 0 1.3 0.1 7.40 0.07 0.07 0.0 1.4 34.1 AA1/91-28 50 40 143 15 0.2 11.3 0.7 5.60 0.04 0.06 1.6 12.2 34* AA1/91-29 51 27 142 35 0.1 16.9 1.2 4.30 0.06 0.07 0.5 18.2 34 AA1/91-30 51 51 142 35 0.3 19.1 1.1 3.90 0.04 0.05 1.5 20.5 33.9* AA1/91-32 53 08 142 15 0.5 24.8 1 2.50 0.02 0.04 1.9 26.3 33.8 AA1/91-33 53 32 141 59 2.8 45.2 2.5 1.40 -0.01 0.05 5.5 50.5 33.8 AA1/91-34 53 51 140 40 0.2 12.9 1 3.20 0.06 0.07 1.4 14.1 33.8 AA1/91-36 55 54 140 51 0.9 33.9 1.1 1.20 0.01 0.03 2.5 35.9 33.8 AA1/91-38 58 08 139 50 0.7 28.3 1.1 1.50 0.01 0.04 2.3 30.1 33.8 AA1/91-39 59 38 139 10 1 22 0.7 -0.20 -0.01 0.03 4.2 23.7 33.9* AA1/91-41 61 47 138 06 0.5 3.6 0.4 -0.70 -0.02 0.10 11.1 4.5 33.9 AA1/91-43 64 53 136 23 0 0 0 -1.90 33.7* AA1/91-44 64 53 136 24 0 0 0 -1.90 33.6 AA1/91-45 63 36 137 01 0 0 0 -1.90 33.9 AA1/91-49 54 07 141 40 1.1 25.6 1 1.80 0.00 0.04 4.0 27.7 33.8* AA1/91-50 54 07 141 40 3 14.5 2.2 1.80 -0.04 0.13 15.2 19.7 33.8* AA1/91-51 51 15 142 54 0.3 3.2 0.5 7.00 0.05 0.14 7.5 4 34* AA1/91-52 44 42 145 56 0 33.7 9 9.80 0.21 0.21 0.0 42.7 34.9* AA1/91-54 44 06 146 15 0 15.2 6.3 11.30 0.29 0.29 0.0 21.5 35* AA1/91-55 44 06 146 15 0 9.3 4.4 11.30 0.32 0.32 0.0 13.7 35* Collected February 1986 on the R/V Franklin FR9/86 filters FR9/86-9 57 13 154 56 0.1 1.2 0.1 1.90 0.00 0.08 7.1 1.4 33.8 FR9/86-10 57 15 154 58 ND 34.1 2 1.90 0.06 0.0 36.1 33.85 FR9/86-12 56 22 155 03 2.4 40.3 2.2 2.10 0.00 0.05 5.3 44.9 33.85 FR9/86-15 56 00 154 58 2.1 12.3 3.2 1.50 0.06 0.21 11.9 17.6 33.85 FR9/86-18 55 33 155 15 ND 32 4.4 3.20 0.12 0.0 36.4 33.9* FR9/86-19 55 00 155 00 ND ND ND 4.20 0.0 0 33.9 FR9/86-22 54 31 155 02 0.4 16.2 1.1 5.00 0.04 0.06 2.3 17.7 33.99* FR9/86-23 54 00 154 59 1.9 8.8 2.2 7.00 0.02 0.20 14.7 12.9 34.22 FR9/86-27 52 59 154 59 0.4 15.9 2.1 6.00 0.09 0.12 2.2 18.4 34.09 FR9/86-30 52 31 155 00 0.5 11.8 9.5 6.50 0.41 0.45 2.3 21.8 34.2* FR9/86-34 51 30 154 59 0 4.4 0.7 7.80 0.14 0.14 0.0 5.1 34.4* FR9/86-42 51 03 155 04 ND 18.2 3.1 9.00 0.15 0.0 21.3 34.56 FR9/86-47 49 00 154 59 0.6 24.5 5.4 9.30 0.16 0.18 2.0 30.5 34.5 FR9/86-53 47 00 155 00 3.1 15.3 3.9 9.80 0.04 0.20 13.9 22.3 34.56 FR9/86-56 47 00 154 59 0.4 13 2.9 10.40 0.15 0.18 2.5 16.3 34.57 FR9/86-69 45 59 154 57 0.6 12.7 5.3 11.70 0.25 0.29 3.2 18.6 34.9 FR9/86-75 44 58 154 55 1.2 1.9 0.9 12.10 -0.08 0.32 30.0 4 35.1* FR9/86-79 43 55 150 27 0 51.4 24.1 12.20 0.32 0.32 0.0 75.5 35.1 3. Water Column Data, Western Pacific Western Pacific samples collected May 2001 during the WEPMA cruise of the IMAGES program Sample In situ code Latitude Longitude Temp. Salinity UK'37 %C37:4 (N+, S-) (E) (°C) (PSU) IM7 01 -12°31 121°19 29.3 34.10 0.98 0 IM7 01 -12°31 121°19 29.3 34.10 0.98 0 IM7 02 -12°44 121°26 29.3 34.09 0.98 0 IM7 02 -12°44 121°26 28.6 34.12 0.98 0 IM7 03 -13°04 122°47 29.5 34.06 0.98 0 IM7 03 -13°04 122°47 29.3 34.04 0.98 0 IM7 04 -5°45 126°54 28.9 33.44 1.00 0 IM7 08 -2°39 135°40 30.0 33.18 1.00 0 IM7 09 -2°09 135°04 29.8 34.13 0.98 0 IM7 10 -0°12 134°14 29.5 34.24 0.99 0 IM7 11 1°07 129°47 29.3 34.17 1.00 0 IM7 12 4°47 123°30 29.6 33.75 0.99 0 IM7 12 4°47 123°30 28.4 34.16 0.98 0 IM7 13 6°43 122°56 29.9 33.33 1.00 0 IM7 13 6°43 122°56 29.9 33.33 0.99 0 IM7 13 6°43 122°56 28.4 33.92 0.99 0 IM7 14 6°39 113°52 29.8 33.02 0.98 0 IM7 15 6°38 113°24 24.0 33.94 0.94 0 IM7 16 8°32 110°20 25.5 33.66 0.98 0 IM7 16 8°32 110°20 23.9 33.89 0.91 0 4. Sediment Trap Data, Southern Ocean Kerfix sediment traps location 50 40 S and 68 25 E salinity and temperatures interpolated from close-by dates marked by * Sample Date C37 Uk37 Uk'37 %POC C37:4% Salinity Temp. Date C37:4/C37 k1 9-30 Apr 93 3.0 0.031 0.042 6 1.1 33.813 3.981 4/6/1993 - k2 1-31 May 23.4 0.031 0.041 8 1 33.807 3.86 5/15/1993 2 k5 1-31 Aug 1.0 - - 23 33.88 1.946 8/17/1993 - k6 1-30 Sept 0.0 - - 32 33.909 1.603 9/16/1993 - k7 1-15 Oct 0.0 - - 27 33.919 1.775 10/27/1993 - k9 1-10 Nov 0.0 - - 19 - k11 21-30 Nov 0.0 - - 17 33.928 1.933 11/28/1993 - k13 9-16 Dec 1.1 0.019 0.039 9 2 33.904 2.88 12/27/1993 2 k16 1-8 Jan 94 21.7 0.023 0.031 11 0.8 33.91* 3* 1/17/1994* 2 k17 9-16 Jan 35.1 0.021 0.037 9 1.6 33.91* 3.2* 1/18/1994* 1.8 k18 17-24 Jan 14.4 0.024 0.034 13 1 33.915 3.238 1/18/1994 1.5 5. Sediment Trap Data, Northwest African Margin Northwest Africa Sediment trap location ~ 20N 25W *= estimated from cast dates offset by up to a week from trap openings alkenone collected in ng/mg Date of Depth Salinity Temp. Date C37:4 C37:3 C37:2 37:4 % UK37' Trap depth Salinty Cast Trap closed 2/3/1991 2 2/3/1991 250m 2/14/1991 3 37.161* 26.20* 2/13/1991 0.0 3.9 14.4 0.0 0.786 250m 2/14/1991 3 37.161* 26.20* 2/23/1991 0.0 2.3 7.5 0.0 0.763 250m 9/18/1991 1 36.242 26.20 9/19/1991 0.0 1.5 16.8 0.0 0.918 250m 9/24/1991 0 36.948 26.00 9/29/1991 0.0 1.4 22.0 0.0 0.940 250m 10/9/1991 0 36.272 25.34 10/9/1991 0.0 1.6 31.7 0.0 0.951 250m 10/19/1991 0 37.101 26.10 10/19/1991 0.0 2.1 38.7 0.0 0.947 250m 10/19/1991 0 37.198 26.02 10/29/1991 0.0 2.1 43.9 0.0 0.954 250m 5/13/1992 0-10 36.1 22.1 4/26/1992 0.0 1.4 10.4 0.0 0.883 2500m