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Stolz, Katharina; Baumann, Karl-Heinz (2010): North Atlantic (Rockall Plateau) coccolith assemblage data for MIS 5 of ODP Hole 162-980B [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.819718, Supplement to: Stolz, K; Baumann, K-H (2010): Changes in palaeoceanography and palaeoecology during Marine Isotope Stage (MIS) 5 in the eastern North Atlantic (ODP Site 980) deduced from calcareous nannoplankton observations. Palaeogeography, Palaeoclimatology, Palaeoecology, 292(1-2), 295-305, https://doi.org/10.1016/j.palaeo.2010.04.002

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Abstract:
Calcareous nannoplankton analyses on late quaternary sediments from the eastern North Atlantic ODP Site 980 (55°29'N, 14°42'W) provide detailed insight into palaeoceanographic and palaeoclimatic changes that occurred throughout the Termination II and the adjacent interglacial of the Marine Isotope Stage (MIS) 5. This study presents the development of the coccolith assemblage throughout the interglacial MIS 5 towards the beginning of the glacial MIS 4 in the vicinity of the Rockall Plateau and investigates and characterises the impact of climatic and environmental variations on the coccolith assemblage distribution between 135 and 65 ky.
In general, the coccolith assemblage is dominated by Gephyrocapsa muellerae and Emiliania huxleyi, whilst significant changes in palaeoceanographic and palaeoclimatic conditions are mainly shown by variations of subordinate species. A drastic increase in coccolith accumulation rates and a change from a less to a higher diverse species assemblage indicate a rapid increase in surface water temperatures during the onset of MIS 5 from c. 127.5 ky on. Highest coccolith numbers, high numbers of taxa and a large diversity indicate highest coccolithophore primary productivity and peak interglacial conditions during MIS 5.5, which are due to the high influence of relatively warm surface water to this region. Coccolith numbers peak again around 120 ky and decline afterwards but stay above glacial levels. The two cooling events of MIS 5.4 and 5.2 interrupt the generally warm conditions and are indicated by lowered coccolith numbers, a drop of thermophile species and a reduction of the species diversity. Decreasing coccolith numbers and a slightly reduced diversity indicate that environmental conditions deteriorated towards the onset of MIS 4. The analysis of the coccolith assemblage reveals that not only the stadial events MIS 5.4 and 5.2 are characterised by colder conditions, but furthermore confirms the upcoming notion that MIS 5.5 was terminated by a slight short-term cooling of the surface water which occurred around 124 ky.
Project(s):
Coverage:
Latitude: 55.485000 * Longitude: -14.702300
Date/Time Start: 1995-07-11T01:40:00 * Date/Time End: 1995-07-11T13:00:00
Minimum DEPTH, sediment/rock: 10.970 m * Maximum DEPTH, sediment/rock: 18.400 m
Event(s):
162-980B * Latitude: 55.485000 * Longitude: -14.702300 * Date/Time Start: 1995-07-11T01:40:00 * Date/Time End: 1995-07-11T13:00:00 * Elevation: -2179.0 m * Penetration: 118.2 m * Recovery: 122.48 m * Location: North Atlantic Ocean * Campaign: Leg162 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 13 cores; 118.2 m cored; 0 m drilled; 103.6 % recovery
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
DEPTH, sediment/rockDepth sedmGeocode
Sample code/labelSample labelStolz, Katharina
CoccolithsCocco106 #/gStolz, KatharinaScanning electron microscope (SEM), Zeiss, DSM 940Atotal number of coccoliths
Accumulation rate, coccolithsAcc rate cocco106 #/cm2/kaStolz, KatharinaCalculatedtotal coccolith mass accumulation rate
Shannon Diversity IndexH'Stolz, KatharinaCalculated with PAST 3.189 (Hammer et al. 2001)
Number of taxaTaxa#Stolz, Katharinacoccolith taxa
Gephyrocapsa muelleraeG. muellerae106 #/gStolz, KatharinaScanning electron microscope (SEM), Zeiss, DSM 940A
Emiliania huxleyiE. huxleyi106 #/gStolz, KatharinaScanning electron microscope (SEM), Zeiss, DSM 940A
Calcidiscus leptoporusC. leptoporus106 #/gStolz, KatharinaScanning electron microscope (SEM), Zeiss, DSM 940A
10 Coccolithus spp.Coccolithus spp.106 #/gStolz, KatharinaScanning electron microscope (SEM), Zeiss, DSM 940A
11 Syracosphaera spp.Syracosphaera spp.106 #/gStolz, KatharinaScanning electron microscope (SEM), Zeiss, DSM 940A
12 Helicosphaera carteriH. carteri106 #/gStolz, KatharinaScanning electron microscope (SEM), Zeiss, DSM 940A
13 Gephyrocapsa ericsoniiG. ericsonii106 #/gStolz, KatharinaScanning electron microscope (SEM), Zeiss, DSM 940A
14 Coccolithophoridae, otherCoccolith o106 #/gStolz, KatharinaScanning electron microscope (SEM), Zeiss, DSM 940Aincluding indeterminata
15 Nannofossils, reworked fossilNannos rew fossil106 #/gStolz, KatharinaScanning electron microscope (SEM), Zeiss, DSM 940A
16 Calcidiscus spp.Calcidiscus spp.%Stolz, Katharina+ Coccolithus spp.
17 Emiliania huxleyiE. huxleyi%Stolz, Katharina
18 Gephyrocapsa muelleraeG. muellerae%Stolz, Katharina
19 Coccolithophoridae, otherCoccolith o%Stolz, Katharina
Size:
1872 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


Depth sed [m]

Sample label

Cocco [106 #/g]

Acc rate cocco [106 #/cm2/ka]

H'

Taxa [#]

G. muellerae [106 #/g]

E. huxleyi [106 #/g]

C. leptoporus [106 #/g]
10 
Coccolithus spp. [106 #/g]
11 
Syracosphaera spp. [106 #/g]
12 
H. carteri [106 #/g]
13 
G. ericsonii [106 #/g]
14 
Coccolith o [106 #/g]
15 
Nannos rew fossil [106 #/g]
16 
Calcidiscus spp. [%]
17 
E. huxleyi [%]
18 
G. muellerae [%]
19 
Coccolith o [%]
10.970162-980B-2H-4,105-1071819.41521852.8330.527491599.378105.0930.0003.28422.9890.00075.53513.1379.8520.5395.56687.4336.463
10.995162-980B-2H-4,107.5-109.52465.16830334.3690.862681269.5151117.17323.08218.46627.6994.6160.0004.61646.1642.57443.56650.5513.309
11.020162-980B-2H-4,110-1122772.67333889.0220.5571102420.170215.71110.52226.30668.3960.0005.26126.3065.2612.4627.00887.1213.409
11.045162-980B-2H-4,112.5-114.54089.20549252.4440.687193324.733548.11221.63628.84836.0600.00072.12057.69614.4243.16312.12781.0193.691
11.070162-980B-2H-4,115-1176972.84082322.3780.6757105702.913928.92847.03470.552117.5860.00047.03458.7930.0003.37312.14281.7882.698
11.095162-980B-2H-4,117.5-119.58667.374103924.4370.537477400.214996.83216.89550.686168.9550.00033.7910.00016.8950.97311.28485.2142.529
11.120162-980B-2H-4,120-12214759.878173079.0630.68331012262.0531513.83475.692378.458227.07525.231201.84475.6920.0003.9329.57383.0773.419
11.150162-980B-2H-4,123-12511711.157136072.4920.689699705.3791207.780107.838258.810280.3780.000107.83843.1350.0004.4209.20882.8733.499
11.170162-980B-2H-4,125-1278616.75398658.4660.770286278.1311925.49066.396191.8110.0000.000132.79222.1320.0004.11021.40472.8601.627
11.195162-980B-2H-4,127.5-129.512493.225143456.8350.7726109858.3551720.73171.697250.940483.9560.00035.84971.6970.0004.01712.76978.9104.304
11.220162-980B-2H-4,130-1329404.490108430.9180.961196663.4071726.42860.576257.450575.4760.000106.00915.14415.1444.01917.68570.7407.556
11.245162-980B-2H-4,132.5-134.511657.285134156.6790.8398108250.0652737.26138.283191.417306.2670.00038.28395.7080.0002.62722.98970.7723.612
11.270162-980B-2H-4,135-13710591.039124196.6650.563888973.6881252.14317.39169.563173.9090.00086.95417.3910.0000.98511.65884.7292.627
11.295162-980B-2H-4,137.5-139.517456.765183017.9360.5547915122.2801582.263103.755129.694207.5100.000207.510103.7550.0002.8238.02486.6272.526
11.320162-980B-2H-4,140-14228555.861291032.4360.4764825439.1452063.77284.236336.942336.9420.000210.58984.2360.0002.3606.63789.0861.917
11.345162-980B-2H-4,142.5-144.530876.079348744.6410.51601027150.6292540.080282.231282.231338.6770.000112.892169.33956.4463.1027.11787.7742.007
11.370162-980B-2H-4,145-14711625.932135635.8690.815168359.7842410.72858.324184.6930.0000.000602.6829.7210.0002.75920.15171.9065.184
11.420162-980B-2H-5,0-223243.060266493.7010.6235818869.3663623.918156.203156.203312.4070.00031.24193.7220.0002.01614.91981.1831.882
11.480162-980B-2H-5,6-89939.312118411.1980.726677913.2221357.09838.228172.027172.0270.000286.7110.0000.0002.50013.26979.6154.615
11.520162-980B-2H-5,10-129938.682117489.8450.608898461.983945.75182.96182.96199.5530.000182.51382.9610.0002.5048.68185.1423.673
11.570162-980B-2H-5,15-179069.978105384.5020.6045107545.2151178.94015.719157.19278.5960.00031.438237.9890.0002.42612.65283.1891.733
11.620162-980B-2H-5,20-2213803.121162067.7660.72421110584.4562692.53730.949139.269170.21815.47492.84677.3720.0001.45719.28376.6822.578
11.670162-980B-2H-5,25-2719314.950220225.5450.5276616433.5392343.1250.000221.647189.9830.00063.32863.3280.0001.14812.13185.0821.639
11.720162-980B-2H-5,30-3214152.373164314.5650.4843812354.8851433.44022.75368.259204.7770.00045.50622.7530.0000.8049.96887.2991.929
11.770162-980B-2H-5,35-3718612.124221385.9800.5471815801.5682185.98831.22831.228156.1420.000374.741379.1130.0000.50311.57784.8993.020
11.820162-980B-2H-5,40-4217251.247194753.8820.6791713007.4903791.75950.222100.444100.4440.0000.000200.8880.0001.16421.68975.4001.747
11.870162-980B-2H-5,45-4722694.741262469.6140.4344720103.6092144.38544.67589.34944.6750.000223.37344.6750.0000.7879.25288.5831.378
11.920162-980B-2H-5,50-5225741.871292423.1780.6136821381.2263235.317187.55546.889281.3320.000562.66446.8890.0001.63911.84083.0603.461
11.970162-980B-2H-5,55-5717593.465199777.6150.5007815317.8621732.17567.928101.89367.9280.000271.71433.9640.0001.7379.26687.0661.931
12.020162-980B-2H-5,60-6226324.947306742.8600.4981922438.8833468.2070.00041.786167.1430.00083.571125.3570.0000.47613.01685.2381.270
12.070162-980B-2H-5,65-6723786.143265712.8400.5356920774.6861527.5500.00043.644305.5100.0001003.819130.9330.0000.1836.42287.3396.055
12.120162-980B-2H-5,70-7223201.147263548.9560.5469519622.2462673.89182.2740.000164.5470.000658.1890.0000.0000.70911.17084.5743.546
12.145162-980B-2H-5,72.5-74.515946.862179592.0370.6024913134.2272296.55525.8040.000180.6280.000206.432103.2160.0000.32414.23982.3623.074
12.170162-980B-2H-5,75-7713953.849157056.3050.7766810617.0592406.533101.11560.669242.67620.223485.35120.2230.0001.88416.52276.0875.507
12.195162-980B-2H-5,77.5-79.513947.822160852.8040.6172611526.6911526.36578.9500.00078.9500.000736.8660.0000.0001.13210.37782.6425.849
12.220162-980B-2H-5,80-828177.08693682.5010.7510106146.7211696.60613.9070.00097.3460.00083.440139.0660.0000.34020.57875.1703.912
12.245162-980B-2H-5,82.5-84.518684.818213464.6490.7038815033.3842335.602164.47932.896296.0620.000789.49932.8960.0001.93711.62080.4585.986
12.270162-980B-2H-5,85-8717135.859139397.1700.7310613388.1972532.90277.5380.000310.1510.000827.0700.0000.0000.90514.32978.1306.637
12.320162-980B-2H-5,90-9220551.001166921.8900.6252716552.3903285.6800.0000.000278.9730.000371.96461.9940.0000.00015.98880.5433.469
12.370162-980B-2H-5,95-9720669.991167802.1680.8146915679.6202741.6230.00030.805431.2670.0001694.262435.5790.0000.14913.26475.85710.730
12.395162-980B-2H-5,97.5-99.516973.825134752.4430.95341011879.1922932.52024.85274.556198.8150.000347.9261515.9640.0000.73217.13069.98512.152
12.420162-980B-2H-5,100-10251100.757397919.1460.5527941911.3138382.26362.09162.091310.4540.0000.000372.54562.0910.60716.14181.9171.335
12.445162-980B-2H-5,102.5-104.522861.768183593.2820.93961016752.9562900.14330.85330.853246.8210.0001110.6931789.4500.0000.67512.41673.27913.630
12.470162-980B-2H-5,105-10721784.158176797.0380.7600717156.0222752.9430.0000.000638.3640.0001077.239159.5910.0000.00012.63778.7558.608
12.520162-980B-2H-5,110-11218453.593150301.1370.60691115797.3941677.5990.000139.800489.3000.000104.850633.9930.0000.7589.09185.6064.545
12.570162-980B-2H-5,115-11717453.225149092.7420.8370813081.7022662.3560.00065.737230.0800.000164.3431249.0070.0000.75315.06674.9539.228
12.620162-980B-2H-5,120-12217084.269141674.4240.5030714737.5291908.6820.0000.000281.6090.0000.000156.4490.0000.00011.17286.2642.564
12.670162-980B-2H-5,125-1276055.01048593.9840.4270105532.439284.00645.44145.44156.8010.00011.36079.52234.0812.2393.91890.8582.985
12.720162-980B-2H-5,130-13216941.405136067.8330.49261015223.843806.73478.071156.142312.2840.000234.213130.1180.0001.8434.30189.8623.994
12.745162-980B-2H-5,132.5-134.517466.296138706.8340.3778716049.277893.33861.610123.21930.8050.000215.63392.41430.8051.4084.75491.7252.113
12.800162-980B-2H-5,-13928591.118222458.6490.4133925853.2551994.729117.337156.449352.0110.00039.112513.9360.0001.3686.56690.4241.642
12.920162-980B-2H-6,0-241741.394399897.8910.4491836549.2724537.997122.649204.414204.4140.0000.000122.64981.7661.07510.55787.3900.978
12.945162-980B-2H-6,2.5-4.528317.332271859.3900.5583724927.596938.69652.150521.498365.0480.000938.696573.64852.1502.2063.12587.8686.801
13.020162-980B-2H-6,10.0-12.011420.80289635.9940.6731109595.560956.07917.383208.599417.1980.000139.06686.91634.7672.1248.19483.7635.918
13.070162-980B-2H-6,15.0-17.010189.265103968.9550.458999277.083349.34658.224135.857155.2650.000155.265274.43119.4082.4712.85290.8753.802
13.150162-980B-2H-6,23-259708.799100760.8520.4715108814.803286.07971.520250.319178.7990.00017.88089.40035.7604.0372.20290.4593.303
13.220162-980B-2H-6,30.0-32.07261.85774098.3470.6104106218.862625.79726.075130.374143.4120.00078.22539.1120.0002.5138.25985.6373.591
13.270162-980B-2H-6,35.0-37.014636.224153203.9730.57371312792.6441034.20322.483112.413269.7920.000224.827430.3180.0001.3826.75987.4044.455
13.370162-980B-2H-6,45-4727625.665280426.5660.5709823007.3933862.55541.984125.953377.8590.000167.93741.98483.9691.06113.63683.0302.273
13.470162-980B-2H-6,55.0-57.034969.558361622.3050.3821932373.3331218.636211.937317.905476.8580.000264.921105.9680.0002.1212.87992.5762.424
13.570162-980B-2H-6,65-6712251.093126244.0070.58481510908.507347.63483.912107.886275.71011.987167.823347.63411.9872.4442.05388.9546.549
13.670162-980B-2H-6,75.0-77.022920.122229895.7730.3286721543.427223.248186.040148.832372.0800.000446.4960.0000.0002.2730.16293.9943.571
13.770162-980B-2H-6,85-8761511.585610473.4640.58051653989.2703967.465317.397444.3561142.63031.740666.534952.19295.2191.9585.82287.6354.585
13.880162-980B-2H-6,96.0-98.028288.830283955.8050.69251224078.9491180.341904.928118.034708.2040.000944.272354.10239.3456.8060.97285.0007.222
13.970162-980B-2H-6,105-10713021.840135909.6620.79081410761.851914.757233.17371.746322.8560.000358.728358.7280.0005.2344.68382.6457.438
14.120162-980B-2H-6,120-12222671.115225619.0610.47011120463.4411188.74842.45542.455297.1870.000339.642297.1870.0000.5625.05690.2624.120
14.140162-980C-3H-1,24-2618276.994182769.9440.5892815920.7271050.768222.890254.732477.6220.000350.2560.0000.0003.8334.53087.1084.530
14.290162-980C-3H-1,39-4113439.546415835.3660.68611111311.032879.55187.95535.182299.0470.000668.459158.3190.0001.5715.89084.1628.377
14.320162-980B-2H-6,140-14234464.8271050753.3340.4110831263.1772197.211125.5550.000439.4420.000313.887125.5550.0000.7296.01190.7102.550
14.410162-980C-3H-1,51.0-53.09616.346293150.5980.684177872.2051005.63178.5650.000204.2690.000439.96415.7130.0001.6349.64181.8636.863
14.520162-980C-3H-1,62-6427903.894846027.4520.4682724291.3363072.750166.0950.000166.09541.524166.0950.0000.0001.19010.41787.0541.339
14.635162-980C-3H-1,73.5-75.511108.903333459.3700.629579162.2001438.86763.47921.160232.7580.000190.4380.0000.0001.33312.38182.4763.810
14.690162-980C-3H-1,79-8127004.585875623.6770.6712822195.0093193.243512.4960.000354.8050.000591.341157.6910.0003.7969.92782.1904.088
14.720162-980C-3H-1,82-8430252.530983711.4210.6942723999.2134647.735718.2860.000718.2860.000126.75642.2520.0004.74912.98979.3302.933
14.800162-980C-3H-1,90.0-92.017207.146515809.5070.7564713515.5422349.203488.1460.000244.07330.509579.6730.0000.0005.67410.81678.5464.965
14.860162-980C-3H-1,96.0-98.031598.998915155.6040.6677725694.1353776.98553.1970.000744.75853.1971276.7270.0000.0000.33711.78581.3136.566
14.930162-980C-3H-1,103-10544330.6631280317.4830.5983737441.8704528.7441339.4880.000510.2810.000382.711127.5700.0006.0437.19484.4602.302
14.990162-980C-3H-1,109-11122529.706652196.6010.7278917754.5263454.386431.7980.000330.19925.400431.798101.60025.4003.82913.40178.7164.054
15.190162-980C-3H-1,129-13152241.4101468939.2340.6286743947.1584332.818618.9740.000618.9740.0002599.691123.7950.0002.3707.10984.1236.398
15.380162-980C-3H-1,148-15046838.4921330179.2700.6526639201.1323341.3451312.6710.000596.6690.0002386.6750.0000.0005.6054.33183.6946.369
15.410162-980C-3H-2,1-326102.679730721.0890.89851319221.0644472.137748.3980.000401.58054.761930.935273.8040.0005.73414.26673.6366.364
15.490162-980C-3H-2,9-1127949.154798175.8510.7088922871.5042560.902618.1490.000309.0740.0001412.911176.6140.0004.7396.79381.8336.635
15.610162-980C-3H-2,21-2360024.4841824744.3080.66521050266.4935071.5871219.7490.000320.98764.1972375.300706.17064.1974.0606.41083.6545.876
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