Dataset: Sargasso Sea Plankton Aggregation: TEP

Name: Transparent Exopolymer Particle (TEP) concentrations of Sargasso Sea seawater from roller tank experiments with seawater collected during R/V Atlantic Explorer cruises AE1718 and AE1808 in 2017 and 2018
Published: 2019-08-14
Keywords: oceans

Cite This Dataset

DOI:10.1575/1912/bco-dmo.774834.1

Spatial Extent: N:32.3027 E:-64.38 S:31.9795 W:-64.5752

Temporal Extent: 2017-09-17 - 2018-03-21

Project:

Aggregation of Marine Picoplankton (Marine Plankton Aggregation)

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)

Version:

Version Date:

2019-08-14

Restricted:

Validated:

Yes

Current State:

Final no updates expected

Transparent Exopolymer Particle (TEP) concentrations of Sargasso Sea seawater from roller tank experiments with seawater collected during R/V Atlantic Explorer cruises AE1718 and AE1808 in 2017 and 2018

Abstract:

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Archival Copy

Version Date	Archive	Persistent Identifier (PID)	Date PID Issued
2019-08-14	Marine Biological Laboratory/Woods Hole Oceanographic Institution Library (MBLWHOI DLA)	10.1575/1912/bco-dmo.774834.1	2019-12-24

Description

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: Excess Densities https://www.bco-dmo.org/dataset/774827

Methods & Sampling

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

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.

Data Files

File
sarg_TEP.csv (Comma Separated Values (.csv), 161 bytes) MD5:18dee1db716094ee3a54d7b40333accb Primary data file for dataset ID 774834

More Information about this dataset

Funding Sources

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

Deployments

Deployment	Synonyms	Start Date	Platform	Investigator
AE1718	BATS 10339 HS 61318	2017-09-11	R/V Atlantic Explorer	Rodney J. Johnson (Chief Scientist)	data info
AE1808	BATS 10345 HS 61333	2018-03-14	R/V Atlantic Explorer	Rodney J. Johnson (Chief Scientist)	data info

Instruments

UV Spectrophotometer-Shimadzu

Supplied Name: UV-1601, Shimadzu, Japan

Supplied Description:

Instrument Type

Generic Name: UV Spectrophotometer-Shimadzu

Community Identifier: http://vocab.nerc.ac.uk/collection/L05/current/LAB20/

Generic Description:

The Shimadzu UV Spectrophotometer is manufactured by Shimadzu Scientific Instruments (ssi.shimadzu.com). Shimadzu manufacturers several models of spectrophotometer; refer to dataset for make/model information.

Parameters

Date and time formats are described in python strftime() syntax.

Supplied Name	Supplied description	Supplied Units	Standard Name
Cruise	Cruise identifier	unitless	cruise_id
Depth_m	Depth from which seawater was collected for roller tank incubations	meters (m)	depth
Lat	Latitude	decimal degrees	lat
Lon	Longitude	decimal degrees	lon
TEP_rep1	Concentration of transparent exopolymeric particles (TEP) for replicate 1. TEP concentrations are expressed in Xanthan Gum equivalent units (see Passow and Alldredge, 1995).	ug XG per mL	TEP
TEP_rep2	Concentration of transparent exopolymeric particles (TEP) for replicate 2. TEP concentrations are expressed in Xanthan Gum equivalent units (see Passow and Alldredge, 1995).	ug XG per mL	TEP