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Gerotto, Amanda; Zhang, Hongrui; Nagai, Renata Hanae; Stoll, Heather M; Figueira, Rubens César Lopes; Liu, Chuanlian; Hernández-Almeida, Iván (2023): Morphological measurements of coccoliths from surface samples of R/V SONNE cruise SO95 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.954015

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Abstract:
The dataset compiles morphological measurements of coccoliths (Gephyrocapsa spp. and Emiliania huxleyi, >2µm) from surface samples of the South China Sea retrieved along a depth gradient (629 – 3809 m) during the R/V Sonne cruises (SO-95). The morphological attributes (length, volume, thickness, and ks shape factor) from the Noelaerhabdaceae group (Emiliania huxleyi and Gephyrocapsa spp) were applied to evaluate coccolithophore calcification and preservation aspects. The length, volume, area, and mass were obtained using the C-Calcita software from images taken under a cross-polarized microscope (Zeiss AX10). Thickness and the shape factor ks were calculated. The columns include station names, Longitude, Latitude, Depth (m), number of coccoliths measured per sample, mean ks shape factor, thickness, length, volume, mass, and standard deviation of mean ks/mean ks.
Keyword(s):
Coccoliths; dissolution experiment; Emiliania huxleyi; Gephyrocapsa oceanica; morphological measurements; South China Sea; Surface sediments
Supplement to:
Gerotto, Amanda; Zhang, Hongrui; Nagai, Renata Hanae; Stoll, Heather M; Figueira, Rubens César Lopes; Liu, Chuanlian; Hernández-Almeida, Iván (2023): Fossil coccolith morphological attributes as a new proxy for deep ocean carbonate chemistry. Biogeosciences, https://doi.org/10.5194/bg-20-1725-2023
Funding:
Coordenação de Aperfeicoamento de Pessoal de Nível Superior (CAPES), grant/award no. 001
Ministry of Education, Brazil, grant/award no. 88887.571907/2020-00: Programa Institucional de Internacionalização (CAPES-PrInt)
Swiss National Science Foundation (SNF), grant/award no. 182070: Detecting carbon cycle changes during Antarctic Ice Sheet Instabilities of the Oligocene-Miocene based on coccolithophore geochemistry
Coverage:
Median Latitude: 15.440536 * Median Longitude: 115.163333 * South-bound Latitude: 6.156667 * West-bound Longitude: 112.081667 * North-bound Latitude: 21.515000 * East-bound Longitude: 119.046667
Date/Time Start: 1994-04-20T00:00:00 * Date/Time End: 1994-06-01T00:00:00
Minimum Elevation: -3809.0 m * Maximum Elevation: -629.0 m
Event(s):
GIK17925-2  * Latitude: 19.851667 * Longitude: 119.046667 * Date/Time: 1994-04-20T00:00:00 * Elevation: -2980.0 m * Location: South China Sea * Campaign: SO95 (MONITOR MONSUN) * Basis: Sonne * Method/Device: Giant box corer (GKG)
GIK17930-1  * Latitude: 20.333333 * Longitude: 115.781667 * Date/Time: 1994-04-30T00:00:00 * Elevation: -629.0 m * Location: South China Sea * Campaign: SO95 (MONITOR MONSUN) * Basis: Sonne * Method/Device: Giant box corer (GKG)
GIK17931-1  * Latitude: 20.100000 * Longitude: 115.963333 * Date/Time: 1994-04-30T00:00:00 * Elevation: -1005.0 m * Location: South China Sea * Campaign: SO95 (MONITOR MONSUN) * Basis: Sonne * Method/Device: Giant box corer (GKG)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Event labelEventGerotto, Amanda
2 Method/Device of eventMethod/DeviceGerotto, Amanda
3 Latitude of eventLatitudeGerotto, Amanda
4 Longitude of eventLongitudeGerotto, Amanda
5 Elevation of eventElevationmGerotto, Amanda
6 CoccolithsCocco#Gerotto, Amanda
7 Coccoliths, shape factorksGerotto, AmandaCalculated after Gerotto et al. (2022)
8 Coccoliths, thicknessCocco thickµmGerotto, AmandaCalculated average/mean valuesGephyrocapsa spp. + E. huxleyi (>2µm)
9 Coccoliths, lengthCocco lµmGerotto, AmandaCalculated average/mean valuesGephyrocapsa spp. + E. huxleyi (>2µm)
10 Coccoliths, volumeCocco volµm3Gerotto, AmandaCalculated average/mean valuesGephyrocapsa spp. + E. huxleyi (>2µm)
11 Coccoliths, massCocco masspgGerotto, AmandaCalculated average/mean valuesGephyrocapsa spp. + E. huxleyi (>2µm)
12 Coccoliths, shape factor, standard deviationks std dev±Gerotto, AmandaCalculated after Gerotto et al. (2022)
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
196 data points

Data

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

1 
Event		2 
Method/Device		3 
Latitude		4 
Longitude		5 
Elevation [m]		6 
Cocco [#]		7 
ks		8 
Cocco thick [µm]		9 
Cocco l [µm]		10 
Cocco vol [µm3]		11 
Cocco mass [pg]		12 
ks std dev [±]
GIK17930-1 Giant box corer20.3333115.7817-6291180.0743428230.4304755653.3458115182.9782722518.0269109950.325585488
GIK17965-1 Giant box corer6.1567112.5517-8891910.0612838940.3555158723.4094578312.4737650606.6713253010.323299006
GIK17943-1 Giant box corer18.9500117.5533-9172180.0495016940.3178134573.5313613862.2134405945.9724752480.327628489
GIK17931-1 Giant box corer20.1000115.9633-10052760.0787468260.4457293203.2356422022.9795871568.0346330280.299433445
GIK17944-1 Giant box corer18.6583113.6383-12192380.0553898770.3763833263.5343055562.4030555566.4841203700.353357123
GIK17963-2 Giant box corer6.1667112.6667-12331150.0583884850.3470283533.4709132422.4831963476.6977625570.305619124
GIK17932-1 Giant box corer19.9500116.0383-13651430.0663517050.4075423083.4886594202.9781884068.0293478260.366349629
GIK17964-1 Giant box corer6.1583112.2133-15561680.0548478390.3525239693.4338888892.1953888895.9237777780.357685430
GIK17960-1 Giant box corer10.1200115.5583-17072620.0502712820.3036740993.6485135142.4579729736.6317027030.353943354
GIK17940-1 Giant box corer20.1167117.3833-17284500.0408923140.2582300933.6650666672.0371111115.4983111110.280176322
GIK17961-1 Giant box corer8.5067112.3317-17951440.0557888320.3201593533.3804069772.1971511635.9302034880.348632937
GIK17959-1 Giant box corer11.1383115.2867-19574040.0498645140.2757096323.3816279071.9901993365.3705980070.302077030
GIK17962-1 Giant box corer7.1817112.0817-19702160.0546894470.3178598903.4350568182.2348011366.0307102270.325074059
GIK17949-1 Giant box corer17.3483115.1667-21951530.0533529150.4050785973.7803317542.3700000006.3950314470.316779248
GIK17957-1 Giant box corer10.8983115.3050-21971550.0502688460.2980848933.5221281462.1782379865.8774599540.365986289
GIK17941-1 Giant box corer21.5150118.4817-22012110.0491008120.3658523343.3885416671.8528472225.0025000000.244419339
GIK17951-1 Giant box corer16.2883113.4100-23403040.0519392480.3133500563.5966776322.4544407896.6210855260.282801942
GIK17945-1 Giant box corer18.1267113.7767-24043240.0546644690.3811561213.4880392162.2829411766.1608496730.264088819
GIK17955-1 Giant box corer14.1217112.1767-24041650.0526067410.3066588453.4754938272.2808641986.1538888890.419229527
GIK17939-1 Giant box corer19.9700117.4550-24734370.0450406430.3286384763.5359541981.9697709925.3162977100.300473515
GIK17958-1 Giant box corer11.6183115.0817-25813450.0523709630.3339018353.6353333332.5158840586.7877391300.268573095
GIK17934-1 Giant box corer19.0317116.4617-26653010.0645019510.3841655993.3751680672.5257983196.8118067230.273514301
GIK17938-1 Giant box corer19.7867117.5383-28353700.0451644460.3490291023.5004166671.8902976195.1020238100.257578028
GIK17925-2 Giant box corer19.8517119.0467-29803440.0394077210.3052067013.5800847461.8334745764.9480508470.273696469
GIK17956-1 Giant box corer13.8483112.5883-33873520.0427667640.3348439293.4742424241.7401818184.6978181820.291121861
GIK17937-1 Giant box corer19.5017117.6667-34282190.0489016810.3570896183.5720279722.2106293715.9659440560.277082538
GIK17946-1 Giant box corer18.1250114.2500-34651800.0386770220.2845886153.5637419351.7090967744.6140000000.366816736
GIK17936-1 Giant box corer18.7667117.1200-38093320.0447449280.3166884383.6106086962.0920000005.6487826090.285866473