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Balestrieri, Chiara; Ziveri, Patrizia; Grelaud, Michaël; Mortyn, P Graham; Agnini, Claudia (2021): Derived Particulate Inorganic Carbon (PIC) and Particulate Organic Carbon (POC) ratio from ODP Site 202-1238 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.933673

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Abstract:
We estimated E. huxleyi particulate inorganic to organic carbon ratio (PIC:POC) in order to detect changes in the carbonate counter-pump to carbon pump activity, which can act as either a positive or negative feedback to atmospheric CO2 modulating air-sea gas exchange.
Keyword(s):
Carbonate counter pump; Carbon pump; Coccolithophores; Emiliania huxleyi; Equatorial pacific ocean; Last 30K years; PIC:POC; Sea-water carbonate system
Related to:
Balestrieri, Chiara; Ziveri, Patrizia; Grelaud, Michaël; Mortyn, P Graham; Agnini, Claudia (2021): Enhanced E. huxleyi carbonate counterpump as a positive feedback to increase deglacial pCO2sw in the Eastern Equatorial Pacific. Quaternary Science Reviews, 260, 106921, https://doi.org/10.1016/j.quascirev.2021.106921
Coverage:
Latitude: -1.871833 * Longitude: -82.782233
Date/Time Start: 2002-05-05T20:00:00 * Date/Time End: 2002-05-05T20:00:00
Minimum Elevation: -2202.5 m * Maximum Elevation: -2202.5 m
Event(s):
202-1238 * Latitude: -1.871833 * Longitude: -82.782233 * Date/Time: 2002-05-05T20:00:00 * Elevation: -2202.5 m * Penetration: 799.1 m * Recovery: 787.1 m * Location: South Pacific Ocean * Campaign: Leg202 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 85 cores; 791.1 m cored; 8 m drilled; 99.5 % recovery
Comment:
We calculated the molar ratio of particulate inorganic carbon to particulate organic carbon (PIC:POC) of the biomass obtained from SYRACO using formulas proposed by McClelland et al., 2016 (doi:10.1038/srep34263).
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 AGEAgeka BPBalestrieri, ChiaraGeocode
2 Particulate inorganic carbon/particulate organic carbon ratioPIC/POCBalestrieri, Chiaracalculated after McClelland et al., 2016
3 Particulate inorganic carbon/particulate organic carbon ratioPIC/POCBalestrieri, Chiaracalculated after McClelland et al., 2016+sigma
4 Particulate inorganic carbon/particulate organic carbon ratioPIC/POCBalestrieri, Chiaracalculated after McClelland et al., 2016- sigma
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
198 data points

Data

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

1 
Age [ka BP]		2 
PIC/POC		3 
PIC/POC
(+sigma)		4 
PIC/POC
(- sigma)
-0.8350470000.8247339091.0073322710.675235014
-0.6025230000.8700206011.0626455620.712312622
-0.3699990000.7412108900.9053170250.606852150
0.3275730000.9013074771.1008594380.737928149
1.0251450000.8619320691.0527662070.705690292
1.5316433350.9032109061.1031842910.739486545
2.2069744480.9237997651.1283315810.756343277
2.5446400040.7959889940.9722231530.651700668
3.0511383390.9856473081.2038723410.806979763
3.5576366741.0754480821.3135552530.880502418
4.0641350090.7443844710.9091932450.609450458
4.5706333431.1185718711.3662267680.915809190
5.1406298500.7047581780.8607935820.577007193
5.7822006150.8217871191.0037330530.672822386
6.3960603380.8788562501.0734374470.719546639
6.9754911380.8965916921.0950995650.734067191
7.5204930150.9215165631.1255428710.754473949
8.0405029050.8331484071.0176097630.682124223
8.5105288210.9555112581.1670640860.782306452
8.9805547370.8476522681.0353248180.693998980
9.4391949000.9120835081.1140213120.746750817
9.8409063000.8122286300.9920582890.664996558
10.2426177000.8224838361.0045840260.673392811
10.6015309300.8219208841.0038964350.672931905
10.9518845300.8554395141.0448361810.700374637
11.2882529200.6934305590.8469579970.567732923
11.5966508900.8850370911.0809867440.724607084
11.8994289000.9225732521.1268335150.755339094
12.1741071000.9291255431.1348365010.760703655
12.4487853000.9603288341.1729482870.786250750
12.7003775000.8907557741.0879715590.729289145
12.9473525000.8065456000.9851170200.660343686
13.4484940000.9675564861.1817761610.792168250
14.1324247001.0256052071.2526770280.839694523
15.0013706000.6352511870.7758975520.520099683
15.1075380000.8726762361.0658891620.714486872
15.2894280000.8944649821.0925019960.732325988
15.5804520000.9490418641.1591623500.777009760
15.8149404000.9036469711.1037169030.739843565
16.0494288000.6890953060.8416629080.564183519
16.2996112000.6342820310.7747138220.519306205
16.5576406000.7876308810.9620145300.644857624
16.8247390000.6841203510.8355864840.560110370
17.1099754000.6110332550.7463177030.500271717
17.4139435500.7789511630.9514130990.637751273
17.7366434600.7106170410.8679496140.581804026
18.0593433600.7505966100.9167807700.614536528
18.4152940000.5910061840.7218565830.483874938
18.7878700001.1218230831.3701978080.918471058
19.1847364700.5503353900.6721811640.450576508
19.7786663300.7601722300.9284764590.622376383
20.0756312700.8554572751.0448578750.700389179
20.6762438000.6727531300.8217025290.550803677
20.9999394000.8541413741.0432506300.699311810
21.7147952000.6829544470.8341624460.559155809
22.0834672000.5166354560.6310199710.422985336
22.8706680000.8172288420.9981655620.669090386
23.9169900000.8147310280.9951147240.667045348
24.6145620000.6741654130.8234274940.551959956
25.3121340000.7355964560.8984595400.602255440
26.0097060000.7422209440.9065507080.607679112
26.7072780000.7129359150.8707818920.583702558
27.4048500000.8069889610.9856585430.660706680
28.1024220000.9191425721.1226432730.752530290
28.7999940000.8548160401.0440746690.699864180
29.4975660000.7943858250.9702650380.650388105