Dataset: Sargasso Sea Plankton Aggregation: Excess Densities
Deployment: AE1808

View Data: For data, See Dataset Metadata Page: https://www.bco-dmo.org/dataset/774827

Principal Investigator:

Susanne Neuer (Arizona State University, ASU)

Student:

Bianca N. Cruz (Arizona State University, ASU)

Contact:

Susanne Neuer (Arizona State University, ASU)

BCO-DMO Data Manager:

Amber D. York (Woods Hole Oceanographic Institution, WHOI BCO-DMO)

Project:

Aggregation of Marine Picoplankton (Marine Plankton Aggregation)

Version:

Deployment Synonyms:

BATS 10345, HS 61333

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Description

Excess density of sinking aggregates of a Sargasso Sea plankton community from roller tank experiments with seawater collected during R/V Atlantic Explorer cruises AE1718 and AE1808 in 2017 and 2018.

These data were published in Cruz and Neuer, 2019.

Related Datasets:
* Sargasso Sea Plankton Aggregation: Aggregate Abundances https://www.bco-dmo.org/dataset/774813
* Sargasso Sea Plankton Aggregation: Sinking Velocities https://www.bco-dmo.org/dataset/774820
* Sargasso Sea Plankton Aggregation: Sizes https://www.bco-dmo.org/dataset/774841
* Sargasso Sea Plankton Aggregation: TEP https://www.bco-dmo.org/dataset/774834

Methods & Sampling

Dataset acquisition description

Sargasso Seawater was incubated in 1.25 L roller tanks for 5 days in the dark at 3.5 RPM (for further details on roller tanks, see Shanks and Edmondson, 1989). Aggregation was tested with and without the addition of kaolinite clay. All treatments had n = 2 tanks. Aggregates formed were quantified, sized, and their sinking velocities and excess densities determined. TEP concentrations were determined as in Passow and Alldredge (1995). The stock of Alcian-Blue dye used for TEP quantification had a calibration factor (f-factor) of 84.15.

Aggregation was tested with and without the addition of kaolinite clay (control, 0.5 mg per L of kaolinite clay, 5.0 mg per L of kaolinite clay)

Data Processing Description

Dataset Processing Description

BCO-DMO Data Manager Processing Notes: Growth Rates
* Excel sheet extracted to a csv file
* added a conventional header with dataset name, PI name, version date
* modified parameter names to conform with BCO-DMO naming conventions
* blank values in this dataset are displayed as "nd" for "no data." nd is the default missing data identifier in the BCO-DMO system.

More information about this dataset deployment

Funding

Award Number	Funding Source
OCE-1658527	NSF Division of Ocean Sciences

Instruments

None available yet

Parameters

Supplied Name	Supplied description	Supplied Units	Standard Name
Cruise	Cruise identifier	unitless	cruise_id
Depth	Depth from which seawater was collected for roller tank incubations	meters (m)	depth
Lat	Latitude	decimal degrees	lat
Lon	Longitude	decimal degrees	lon
Aggregate_Excess_Density_Control1	Aggregate excess density. Treatment = Control, replicate 1, no kaolinite clay.	grams per milliliter (g/mL)	no_bcodmo_term
Aggregate_Excess_Density_Control2	Aggregate excess density. Treatment = Control, replicate 2, no kaolinite clay.	grams per milliliter (g/mL)	no_bcodmo_term
Aggregate_Excess_Density_0_5mg_Lkaolinite1	Aggregate excess density. Treatment = concentration of 0.5 mg per L of kaolinite clay, replicate 1.	grams per milliliter (g/mL)	no_bcodmo_term
Aggregate_Excess_Density_0_5mg_Lkaolinite2	Aggregate excess density. Treatment = concentration of 0.5 mg per L of kaolinite clay, replicate 2.	grams per milliliter (g/mL)	no_bcodmo_term
Aggregate_Excess_Density_5_0mg_Lkaolinite1	Aggregate excess density. Treatment = concentration of 5.0 mg per L of kaolinite clay, replicate 1.	grams per milliliter (g/mL)	no_bcodmo_term
Aggregate_Excess_Density_5_0mg_Lkaolinite2	Aggregate excess density. Treatment = concentration of 5.0 mg per L of kaolinite clay, replicate 2.	grams per milliliter (g/mL)	no_bcodmo_term

Database

Contribute Data

Dataset: Sargasso Sea Plankton Aggregation: Excess Densities
Deployment: AE1808

Dataset acquisition description

Dataset Processing Description

Database

Contribute Data

Dataset: Sargasso Sea Plankton Aggregation: Excess DensitiesDeployment: AE1808

Dataset acquisition description

Dataset Processing Description

Dataset: Sargasso Sea Plankton Aggregation: Excess Densities
Deployment: AE1808