Dataset: Carpenter 2018: carbonate chemistry

Name: Carbonate chemistry from outdoor flumes at the UCB Gump Research Station Moorea, French Polynesia from November of 2015 to March of 2016
Published: 2019-05-21
Keywords: OA, ocean acidification, coral reefs, coral community, Moorea, oceans

Cite This Dataset

DOI:10.1575/1912/bco-dmo.754694.1

Spatial Extent: N:-17.490483 E:-149.826367 S:-17.490483 W:-149.826367

Temporal Extent: 2015-11-13 - 2016-03-15

Project:

RUI: Ocean Acidification- Category 1- The effects of ocean acidification on the organismic biology and community ecology of corals, calcified algae, and coral reefs (OA_Corals)

Program:

Science, Engineering and Education for Sustainability NSF-Wide Investment (SEES): Ocean Acidification (formerly CRI-OA) (SEES-OA)

Principal Investigator:

Robert Carpenter (California State University Northridge, CSUN)

Co-Principal Investigator:

Peter J. Edmunds (California State University Northridge, CSUN)

Technician:

Griffin Srednick (California State University Northridge, CSUN)

BCO-DMO Data Manager:

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

Version:

Version Date:

2019-05-21

Restricted:

Validated:

Yes

Current State:

Final no updates expected

Carbonate chemistry from outdoor flumes at the UCB Gump Research Station Moorea, French Polynesia from November of 2015 to March of 2016

Abstract:

This dataset carbonate chemistry data from outdoor flumes at the UCB Gump Research Station Moorea, French Polynesia. These measurements were taken during an experiment designed to measure coral reef community metabolism responses to ocean acidification over a 4-month period from November 13th, 2015 to March 15th, 2016. These data were published in Carpenter et al. (2018).

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Archival Copy

Version Date	Archive	Persistent Identifier	Date Assigned
2019-05-21	Marine Biological Laboratory/Woods Hole Oceanographic Institution Library (MBLWHOI DLA)	10.1575/1912/bco-dmo.754694.1	2020-03-06

Methods & Sampling

See Carpenter et al. (2018) for a detailed overview of the methodology of the experiment designed to measure coral reef community metabolism responses to ocean acidification over a 4-month period from November 13th, 2015 to March 15th, 2016 in outdoor flumes at the UCB Gump Research Station Moorea, French Polynesia.

Carbonate chemistry data:
The pH, measured on the total hydrogen ion scale (pHT), was monitored daily at the down-stream end of the flumes with a handheld electrode (DG 115-SC electrode (Mettler-Toledo). Seawater carbonate chemistry and salinity were measured weekly, both in the day (02:00) and night (20:00); salinity was measured using a bench-top conductivity meter (Thermo Scientific, Orionstar A212, Waltham, MA, USA). The parameters of the seawater carbonate system were calculated from measurements of temperature, salinity, pHT, and AT, using the R package seacarb (Lavigne and Gattuso 2013).

Community composition:
~ 25% coral cover, comprised of 11% cover of massive Porites spp., 7% Porites rus, 4% Montipora spp. and 3% Pocillopora spp. There was ~ 7% cover of crustose coralline algae (CCA), with 4% Porolithon onkodes and 3% Lithophyllum kotschyanum, and ~ 5% cover of small pieces (i.e., ~ 1-cm diameter) of coral rubble (Fig. S2, Carpenter et al., 2018)."

Data Processing Description

BCO-DMO Data Manager Processing Notes:
* Data submitted as sheet "carbonate chemistry" in original excel file exported as csv with the formatting that was set in Excel.
* added a conventional header with dataset name, PI name, version date
* modified parameter names to conform with BCO-DMO naming conventions. Parameter names can not start with a number.
* blank values in this dataset are displayed as "nd" for "no data." nd is the default missing data identifier in the BCO-DMO system.
* Various date formats in Date column changed from to yyyy-mm-dd (e.g. 2015-11-13).

Data Files

File
carbonate_chemistry.csv (Comma Separated Values (.csv), 7.92 KB) MD5:22771150aa0f70b353613aab8ce56993 Primary data file for dataset ID 754694

More Information about this dataset

Funding Sources

Funding Source	Award Number
NSF Division of Ocean Sciences	OCE-1415268

Deployments

None available yet

Instruments

pH Sensor

Supplied Name: DG 115-SC electrode

Supplied Description:

Handheld electrode (DG 115-SC electrode (Mettler-Toledo)).

Instrument Type

Generic Name: pH Sensor

Generic Description:

An instrument that measures the hydrogen ion activity in solutions.

The overall concentration of hydrogen ions is inversely related to its pH. The pH scale ranges from 0 to 14 and indicates whether acidic (more H+) or basic (less H+).

Salinity Sensor

Supplied Name: Orionstar A212

Supplied Description:

Bench-top conductivity meter (Thermo Scientific, Orionstar A212, Waltham, MA, USA)

Instrument Type

Generic Name: Salinity Sensor

Community Identifier: http://vocab.nerc.ac.uk/collection/L05/current/350/

Generic Description:

Category of instrument that simultaneously measures electrical conductivity and temperature in the water column to provide temperature and salinity data.

Parameters

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

Supplied Name	Supplied description	Supplied Units	Standard Name
TA_24h	Alkalinity averaged across 24 h. Potentiometric titration.	micromoles per kilogram (μmol kg-1)	TALK
TA_Day	Alkalinity averaged during daylight hours. Potentiometric titration.	micromoles per kilogram (μmol kg-1)	TALK
TA_Night	Alkalinity averaged during nightime hours. Potentiometric titration.	micromoles per kilogram (μmol kg-1)	TALK
Omega_24h	Aragonite saturation state averaged across 24 h. Calculated using seacarb by Lavigne and Gattuso 2013.	omega aragonite (Ωa)	OM_ar
Omega_Day	Aragonite saturation state averaged during daylight hours. Calculated using seacarb by Lavigne and Gattuso 2013.	omega aragonite (Ωa)	OM_ar
Omega_Night	Aragonite saturation state averaged during nightime hours. Calculated using seacarb by Lavigne and Gattuso 2013.	omega aragonite (Ωa)	OM_ar
Date	Date (HST) of measurement in ISO 8601 format yyyy-mm-dd	unitless	date_local
DIC_24h	DIC averaged across 24 h. Calculated using seacarb by Lavigne and Gattuso 2013.	micromoles per kilogram (μmol kg-1)	DIC
DIC_Day	DIC averaged during daylight hours. Calculated using seacarb by Lavigne and Gattuso 2013.	micromoles per kilogram (μmol kg-1)	DIC
DIC_Night	DIC averaged during nightime hours. Calculated using seacarb by Lavigne and Gattuso 2013.	micromoles per kilogram (μmol kg-1)	DIC
Flume	Flume number (1; 2; 3; 4)	unitless	site_descrip
pCO2_24h	pCO2 averaged across 24 h. Calculated using seacarb by Lavigne and Gattuso 2013.	microatmospheres (μatm)	pCO2
pCO2_Day	pCO2 averaged during daylight hours. Calculated using seacarb by Lavigne and Gattuso 2013.	microatmospheres (μatm)	pCO2
pCO2_Night	pCO2 averaged during nightime hours. Calculated using seacarb by Lavigne and Gattuso 2013.	microatmospheres (μatm)	pCO2
Treatment	pCO2 treatment (values 344; 633; 870; 1146)	unitless	treatment
pH_24h	pH averaged across 24 h. Potentiometric.	total hydrogen ion scale (pHT)	pH
pH_Day	pH averaged during daylight hours. Potentiometric.	total hydrogen ion scale (pHT)	pH
pH_night	pH averaged during nightime hours. Potentiometric.	total hydrogen ion scale (pHT)	pH