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Dataset Overview | National Centers for Environmental Information (NCEI)

Dissolved inorganic carbon, total alkalinity, pH, nutrients, and other variables collected from surface only or profile discrete sampling observations using Niskin bottle and other instruments in the Gulf of Alaska region from 2007-05-19 to 2013-07-22 (NCEI Accession 0132049)

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This dataset includes environmental data from the Gulf of Alaska region. Samples were collected between May 2007 and July 2013.
  • Cite as: Carls, Mark; Vanderhoof, Lawra; Schaufler, Lawrence (2016). Dissolved inorganic carbon, total alkalinity, pH, nutrients, and other variables collected from surface only or profile discrete sampling observations using Niskin bottle and other instruments in the Gulf of Alaska region from 2007-05-19 to 2013-07-22 (NCEI Accession 0132049). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.7289/v5mp51bc. Accessed [date].
gov.noaa.nodc:0132049
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  • Originator data format
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Distributor NOAA National Centers for Environmental Information
+1-301-713-3277
NCEI.Info@noaa.gov
Dataset Point of Contact NOAA National Centers for Environmental Information
ncei.info@noaa.gov
Time Period 2007-05-19 to 2013-07-22
Spatial Bounding Box Coordinates
West: -146.798
East: -134.578
South: 57.049
North: 60.719
Spatial Coverage Map
General Documentation
Associated Resources
Publication Dates
  • publication: 2016-04-15
Data Presentation Form Digital table - digital representation of facts or figures systematically displayed, especially in columns
Dataset Progress Status Complete - production of the data has been completed
Historical archive - data has been stored in an offline storage facility
Data Update Frequency As needed
Supplemental Information
PRINCIPAL INVESTIGATOR:
Mark G Carls {NOAA/NMFS/AFSC/Auke Bay Laboratories, 17109 Point Lena Loop Road, Juneau, AK, 99801, USA}

FUNDING AGENCY:
NOAA's Ocean Acidification Program
PROJECT TITLE: Annual carbon cycles in coastal Gulf of Alaska water
PROJECT ID: OAPFY12.01.AFSC.006
Purpose Observe annual annual fluctuations in hydrogen ion concentrations (expressed as pH, where pH = log10[H+]), TA, DIC, and calcium saturation in Gulf of Alaska water.
Use Limitations
  • accessLevel: Public
  • Distribution liability: NOAA and NCEI make no warranty, expressed or implied, regarding these data, nor does the fact of distribution constitute such a warranty. NOAA and NCEI cannot assume liability for any damages caused by any errors or omissions in these data. If appropriate, NCEI can only certify that the data it distributes are an authentic copy of the records that were accepted for inclusion in the NCEI archives.
Dataset Citation
  • Cite as: Carls, Mark; Vanderhoof, Lawra; Schaufler, Lawrence (2016). Dissolved inorganic carbon, total alkalinity, pH, nutrients, and other variables collected from surface only or profile discrete sampling observations using Niskin bottle and other instruments in the Gulf of Alaska region from 2007-05-19 to 2013-07-22 (NCEI Accession 0132049). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.7289/v5mp51bc. Accessed [date].
Cited Authors
Principal Investigators
Contributors
Resource Providers
Publishers
Acknowledgments
  • Funding Information: NOAA Ocean Acidification Program (Annual Carbon Cycles in Coastal Gulf of Alaska Water, OAPFY12.01.AFSC.006)
Theme keywords NODC DATA TYPES THESAURUS NODC OBSERVATION TYPES THESAURUS WMO_CategoryCode
  • oceanography
Global Change Master Directory (GCMD) Science Keywords OCADS Study Type
  • Discrete measurement
  • Profile
  • Surface measurement
Provider Variable Abbreviations
  • Ammonium
  • ChlA
  • Nitrate
  • Nitrite
  • Phosphate
  • Salinity
  • Silicate
  • TA
  • TC2
  • pH
Data Center keywords NODC COLLECTING INSTITUTION NAMES THESAURUS NODC SUBMITTING INSTITUTION NAMES THESAURUS Global Change Master Directory (GCMD) Data Center Keywords
Instrument keywords NODC INSTRUMENT TYPES THESAURUS Global Change Master Directory (GCMD) Instrument Keywords
Place keywords NODC SEA AREA NAMES THESAURUS Global Change Master Directory (GCMD) Location Keywords Provider Geographic Names
  • Gulf of Alaska
  • Juneau
  • Prince William Sound
  • Sitka
  • Southeast Alaska
Project keywords NODC PROJECT NAMES THESAURUS Ocean Acidification Search Keywords
  • Ocean Acidification Program (OAP)
  • Ocean Carbon and Acidification Data System (OCADS) Project
Keywords NCEI ACCESSION NUMBER
Use Constraints
  • Cite as: Carls, Mark; Vanderhoof, Lawra; Schaufler, Lawrence (2016). Dissolved inorganic carbon, total alkalinity, pH, nutrients, and other variables collected from surface only or profile discrete sampling observations using Niskin bottle and other instruments in the Gulf of Alaska region from 2007-05-19 to 2013-07-22 (NCEI Accession 0132049). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.7289/v5mp51bc. Accessed [date].
Access Constraints
  • Use liability: NOAA and NCEI cannot provide any warranty as to the accuracy, reliability, or completeness of furnished data. Users assume responsibility to determine the usability of these data. The user is responsible for the results of any application of this data for other than its intended purpose.
Fees
  • In most cases, electronic downloads of the data are free. However, fees may apply for custom orders, data certifications, copies of analog materials, and data distribution on physical media.
Lineage information for: dataset
Processing Steps
  • 2016-04-15T15:17:42Z - NCEI Accession 0132049 v1.1 was published.
Output Datasets
Lineage information for: dataset
Processing Steps
  • Parameter or Variable: Dissolved Inorganic Carbon; Abbreviation: TC2; Unit: umol/kg; Observation type: surface only or profile discrete sampling; In-situ / Manipulation / Response variable: In-situ; Measured or calculated: Measured; Sampling instrument: Niskin bottle or laboratory collection, depending on project; Analyzing instrument: CM5014 UIC Coulometer; Detailed sampling and analyzing information: High and low concentrations of sodium carbonate were used to calibrate the Coulometer, and a slope calibration factor was applied to each inorganic carbon value (Goyet and Hacker 1992). Calculations were completed in Excel; CRM manufacturer: Andrew Dickson's lab at Scripps Institute of Oceanography; CRM batch number: CRM 102, 104, 111, 114, 117, 120; Preservation method: Mercuric chloride in some but not all samples; Preservative volume: 0.02% by volume; Uncertainty: Typical precision and accuracy were 0.9% and 0.5%, respectively; Method reference: Dickson et al 2007; Researcher name: Dr. Lawra Vanderhoof, Dr. Lawrence Shaufler; Researcher institution: NMFS/AFSC Auke Bay (AFSC/ABL).
  • Parameter or Variable: Total alkalinity; Abbreviation: TA; Unit: umol/kg; Observation type: surface only or profile discrete sampling; In-situ / Manipulation / Response variable: In-situ; Measured or calculated: Measured; Calculation method and parameters: Calculations were completed in Excel using methods of Dickson et al. 2007; Sampling instrument: Niskin; Analyzing instrument: Alkalinity titrator; Metrohm Dosimat autopipette (through August 2011) and thereafter with a QC Titration Module on a TitraSip System (Mantech Associates Inc).; Type of titration: Potentiometric; Cell type (open or closed): Open; Curve fitting method: Non-linear least squares; CRM manufacturer: Andrew Dickson's lab at Scripps Institute of Oceanography; CRM batch number: CRM 102, 104, 111, 114, 117, 120; Preservation method: Mercuric chloride in some but not all samples; Preservative volume: 0.02% by volume; Uncertainty: Typical precision was 3.6% with the Dosimat and 0.5% with the Mantech. Typical accuracy was plus/minus 1.3% with the Dosimat and 0.7% with the Mantech.; Method reference: Open cell titration method from Dickson, A.G., Sabine, C.L. and Christian, J.R. (Eds.) 2007. Guide to best practices for ocean CO2 measurements. PICES Special Publication 3, 191 pp.; Researcher name: Dr. Lawra Vanderhoof, Dr. Lawrence Shaufler; Researcher institution: NMFS/AFSC Auke Bay (AFSC/ABL).
  • Parameter or Variable: pH; Abbreviation: pH; pH scale: Total; Observation type: surface only or profile discrete sampling; In-situ / Manipulation / Response variable: In-situ; Measured or calculated: Measured; Sampling instrument: Niskin; Analyzing instrument: Aligent Technologies Model 8453 UV/visible spectrophotometer; Temperature of pH measurement: 25 C; Detailed sampling and analyzing information: Aligent 8453, M-cresol purple Lot #; At what temperature was pH reported: Environmental; Uncertainty: Values were not corrected for the dye; Method reference: Used spectrometric method from Dickson, A.G., Sabine, C.L. and Christian, J.R. (Eds.) 2007. Guide to best practices for ocean CO2 measurements. PICES Special Publication 3, 191 pp.; Researcher name: Dr. Lawra Vanderhoof, Dr. Lawrence Shaufler; Researcher institution: NMFS/AFSC Auke Bay (AFSC/ABL).
  • Parameter or Variable: Chlorophyll A concentration in seawater (ug/L); Abbreviation: ChlA; Unit: ug/L; Observation type: surface only or profile discrete sampling; In-situ / Manipulation / Response variable: In-situ; Measured or calculated: measured; Sampling instrument: Niskin; Analyzing instrument: Turner Designs Model TD 700 fluorometer or Cary Eclipse spectrofluorometer (2012-2013).; Method reference: Parsons Maita et al 1984; Researcher name: Dr. Lawrence Shaufler; Researcher institution: NMFS/AFSC Auke Bay (AFSC/ABL).
  • Parameter or Variable: Phosphate; Abbreviation: Phosphate; Unit: uM; Observation type: surface only or profile discrete sampling; In-situ / Manipulation / Response variable: in-situ; Measured or calculated: measured; Sampling instrument: Niskin; Analyzing instrument: Spectrophotometer; Uncertainty: Typical precision was 2.8% and typical accuracy was 10%; Method reference: Bernhardt and Wilhelms 1967; Researcher name: Dr. Katherine A. Krogslund; Researcher institution: Oceanography Technical Services, University of Washington.
  • Parameter or Variable: silicate; Abbreviation: Silicate; Unit: uM; Observation type: surface only or profile discrete sampling; In-situ / Manipulation / Response variable: In-situ; Measured or calculated: measured; Sampling instrument: Niskin; Analyzing instrument: Spectrophotometer; Uncertainty: Typical precision was 0.5% and typical accuracy was 3%; Method reference: Armstrong et al 1967; Researcher name: Dr. Katherine A. Krogslund; Researcher institution: Oceanography Technical Services, University of Washington.
  • Parameter or Variable: nitrate; Abbreviation: Nitrate; Unit: uM; Observation type: surface only or profile discrete sampling; In-situ / Manipulation / Response variable: in-situ; Measured or calculated: measured; Sampling instrument: Niskin; Analyzing instrument: Spectrophotometer; Uncertainty: Typical precision was 1.5% and typical accuracy was 7%; Method reference: Armstrong et al 1967; Researcher name: Dr. Katherine A. Krogslund; Researcher institution: Oceanography Technical Services, University of Washington.
  • Parameter or Variable: Nitrite; Abbreviation: Nitrite; Unit: uM; Observation type: surface only or profile discrete sampling; In-situ / Manipulation / Response variable: in-situ; Measured or calculated: measured; Sampling instrument: Niskin; Analyzing instrument: Spectrophotometer; Uncertainty: Typical precision was 2.8% and typical accuracy was 6%; Method reference: Armstrong et al 1967; Researcher name: Dr. Katherine A. Krogslund; Researcher institution: Oceanography Technical Services, University of Washington.
  • Parameter or Variable: Ammonium; Abbreviation: Ammonium; Observation type: surface only or profile discrete sampling; In-situ / Manipulation / Response variable: in-situ; Measured or calculated: measured; Analyzing instrument: Spectrophotometer; Uncertainty: Typical precision was 4.1% and typical accuracy was 4%; Method reference: Armstrong et al 1967; Researcher name: Dr. Katherine A. Krogslund; Researcher institution: Oceanography Technical Services, University of Washington.
  • Parameter or Variable: Salinity; Abbreviation: Salinity; Unit: psu (practical salinity scale); Observation type: surface only or profile discrete sampling; In-situ / Manipulation / Response variable: In-situ; Measured or calculated: measured; Sampling instrument: Niskin; Analyzing instrument: Model 8400B AutoSal analyzer (Guildline Instruments Limited); Uncertainty: Typical precision and accuracy were 0.2% and 0.1%, respectively.; Researcher name: Dr. Lawrence Shaufler; Researcher institution: NMFS/AFSC Auke Bay (AFSC/ABL) .
Acquisition Information (collection)
Instrument
  • bottle
  • coulometer for DIC measurement
  • spectrophotometer
  • titrator
Last Modified: 2024-03-08T13:15:46Z
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