Citation:

PANGAEA.965883

Name: Seawater carbonate chemistry and diatom aggregation when exposed to crude oil and chemical dispersant
Published: 2024-02-27
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Bacillariophyta; Biomass/Abundance/Elemental composition; Bottles or small containers/Aquaria (<20 L); Chromista; Laboratory experiment; Laboratory strains; Not applicable; Organic toxins; Other studied parameter or process; Pelagos; Phytoplankton; Primary production/Photosynthesis; Single species; Thalassiosira pseudonana

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Abstract:

Roller table experiments with Thalassiosira pseudonana, a small centric diatom, were conducted to produce marine snow aggregates in six treatments: Control (pCO2 = 400 ppm), OA (pCO2 = 750 ppm), water accommodated fraction of oil (WAF), OAWAF, diluted chemically enhanced WAF (DCEWAF), and OADCEWAF. Measurements included intracellular photophysiological responses, oil concentrations and polycyclic aromatic hydrocarbons (PAHs), aggregate morphology, transparent exopolymeric particles (TEP), and extracellular polymeric substances (EPS) to investigate if OA will affect the response to oil spill conditions. The experiments were conducted in the dark to eliminate cell replication and photosynthesis and used both stationary and exponential growth phases.

Keyword(s):

Bacillariophyta; Biomass/Abundance/Elemental composition; Bottles or small containers/Aquaria (<20 L); Chromista; Laboratory experiment; Laboratory strains; Not applicable; Organic toxins; Other studied parameter or process; Pelagos; Phytoplankton; Primary production/Photosynthesis; Single species; Thalassiosira pseudonana

Supplement to:

Genzer, Jennifer L; Kamalanathan, Manoj; Bretherton, Laura; Hillhouse, Jessica; Xu, Chen; Santschi, Peter H; Quigg, Antonietta (2020): Diatom aggregation when exposed to crude oil and chemical dispersant: Potential impacts of ocean acidification. PLoS ONE, 15(7), e0235473, https://doi.org/10.1371/journal.pone.0235473

Source:

Genzer, Jennifer L; Hillhouse, Jessica; Kamalanathan, Manoj; Bretherton, Laura; Quigg, Antonietta (2020): Potential impacts of ocean acidification on diatom aggregation when exposed to crude oil and chemical dispersants. Harte Research Institute, https://doi.org/10.7266/VF86SWMX

Documentation:

Gattuso, Jean-Pierre; Epitalon, Jean-Marie; Lavigne, Héloïse; Orr, James (2019): seacarb: Seawater Carbonate Chemistry. R package version 3.2.15. https://CRAN.R-project.org/package=seacarb

Project(s):

Ocean Acidification International Coordination Centre (OA-ICC)

Comment:

In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Gattuso et al, 2022) was used to compute a complete and consistent set of carbonate system variables, as described by Nisumaa et al. (2010). In this dataset the original values were archived in addition with the recalculated parameters (see related PI). The date of carbonate chemistry calculation by seacarb is 2024-01-26.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Type of study	Study type		Quigg, Antonietta
2	Species, unique identification	Species UID		Quigg, Antonietta
3	Species, unique identification (URI)	Species UID (URI)		Quigg, Antonietta
4	Species, unique identification (Semantic URI)	Species UID (Semantic URI)		Quigg, Antonietta
5	Time point, descriptive	Time point		Quigg, Antonietta
6	Growth phase	Growth phase		Quigg, Antonietta
7	Treatment	Treat		Quigg, Antonietta		OA=ocean acidification, WAF=water accommodated fraction of oil, DCEWAF=dilute chemically enhanced water accommodated fraction of oil
8	Relative fluorescence intensity, ratio	Q		Quigg, Antonietta
9	Effective absorbance cross-section of photosystem II	sigma PSII	A²/quanta	Quigg, Antonietta
10	Connectivity between photosystem II	p		Quigg, Antonietta
11	Chlorophyll a	Chl a	µg/l	Quigg, Antonietta		surrounding seawater
12	Chlorophyll a	Chl a	µg/l	Quigg, Antonietta		aggregate slurry
13	Cell density	Cells	#/ml	Quigg, Antonietta
14	Carbohydrates mass	CHO	mg	Quigg, Antonietta		surrounding seawater
15	Proteins	Protein	µg	Quigg, Antonietta		surrounding seawater
16	Carbohydrates mass	CHO	mg	Quigg, Antonietta		aggregate slurry
17	Proteins	Protein	µg	Quigg, Antonietta		aggregate slurry
18	Transparent exopolymer particles as Gum Xanthan equivalents per volume	TEP	µg Xeq/l	Quigg, Antonietta
19	Polycyclic aromatic hydrocarbons	PAH	mg/l	Quigg, Antonietta		surrounding seawater
20	Polycyclic aromatic hydrocarbons, mass	PAH mass	mg	Quigg, Antonietta		surrounding seawater
21	Polycyclic aromatic hydrocarbons, mass	PAH mass	mg	Quigg, Antonietta		aggregate slurry
22	Equivalent spherical diameter	ESD	mm	Quigg, Antonietta		Large
23	Equivalent spherical diameter	ESD	mm	Quigg, Antonietta		Medium
24	Equivalent spherical diameter	ESD	mm	Quigg, Antonietta		Small
25	Equivalent spherical diameter	ESD	mm	Quigg, Antonietta		XS
26	Oil equivalent	Oil eq	mg/l	Quigg, Antonietta		Estimate
27	pH	pH		Quigg, Antonietta		total scale
28	Alkalinity, total	AT	µmol/kg	Quigg, Antonietta
29	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)	pCO2water_SST_wet	µatm	Quigg, Antonietta
30	Carbon, inorganic, dissolved	DIC	µmol/kg	Quigg, Antonietta
31	Bicarbonate ion	[HCO3]-	µmol/kg	Quigg, Antonietta
32	Carbonate ion	[CO3]2-	µmol/kg	Quigg, Antonietta
33	Carbon dioxide	CO2	µmol/kg	Quigg, Antonietta
34	Area	Area	cm²	Quigg, Antonietta		aggregate slurry, large
35	Area	Area	cm²	Quigg, Antonietta		aggregate slurry, medium
36	Area	Area	cm²	Quigg, Antonietta		aggregate slurry, small
37	Area	Area	cm²	Quigg, Antonietta		aggregate slurry, XS
38	Counts	Counts	#	Quigg, Antonietta		aggregate slurry, large
39	Counts	Counts	#	Quigg, Antonietta		aggregate slurry, medium
40	Counts	Counts	#	Quigg, Antonietta		aggregate slurry, small
41	Counts	Counts	#	Quigg, Antonietta		aggregate slurry, XS
42	Optical density	OD	arbitrary units	Quigg, Antonietta		aggregate slurry, large
43	Optical density	OD	arbitrary units	Quigg, Antonietta		aggregate slurry, medium
44	Optical density	OD	arbitrary units	Quigg, Antonietta		aggregate slurry, small
45	Optical density	OD	arbitrary units	Quigg, Antonietta		aggregate slurry, XS
46	Aspect ratio	Aspect ratio		Quigg, Antonietta		aggregate slurry, large
47	Aspect ratio	Aspect ratio		Quigg, Antonietta		aggregate slurry, medium
48	Aspect ratio	Aspect ratio		Quigg, Antonietta		aggregate slurry, small
49	Aspect ratio	Aspect ratio		Quigg, Antonietta		aggregate slurry, XS
50	Settling time	Settle time	s	Quigg, Antonietta		aggregate slurry tank
51	Salinity	Sal		Quigg, Antonietta
52	Temperature, water	Temp	°C	Quigg, Antonietta
53	Temperature, water, standard deviation	Temp std dev	±	Quigg, Antonietta
54	Carbonate system computation flag	CSC flag		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
55	Carbon dioxide	CO2	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
56	Fugacity of carbon dioxide (water) at sea surface temperature (wet air)	fCO2water_SST_wet	µatm	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
57	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)	pCO2water_SST_wet	µatm	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
58	Bicarbonate ion	[HCO3]-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
59	Carbonate ion	[CO3]2-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
60	Carbon, inorganic, dissolved	DIC	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
61	Aragonite saturation state	Omega Arg		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
62	Calcite saturation state	Omega Cal		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

1451 data points

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