Water-column environmental variables and accompanying discrete CTD measurements collected off California and Oregon during NOAA cruise SH-18-12 (USGS field activity 2018-663-FA) from October to November 2018 (ver. 3.0, July 2022)

Metadata also available as - [Questions & Answers] - [Parseable text] - [XML]

Identification_Information:

Citation:

Citation_Information:

Originator: Nancy G. Prouty
Originator: Miranda C. Baker
Publication_Date: 2021
Title:

Water-column environmental variables and accompanying discrete CTD measurements collected off California and Oregon during NOAA cruise SH-18-12 (USGS field activity 2018-663-FA) from October to November 2018 (ver. 3.0, July 2022)

Edition: 3.0
Geospatial_Data_Presentation_Form: comma-delimited text
Series_Information:

Series_Name: data release
Issue_Identification: DOI:10.5066/P99MJ096

Publication_Information:

Publication_Place:

Pacific Coastal and Marine Science Center, Santa Cruz, California

Publisher: U.S. Geological Survey

Online_Linkage: https://doi.org/10.5066/P99MJ096
Online_Linkage:

https://www.sciencebase.gov/catalog/item/62a7ac5ad34ec53d2770c81f

Larger_Work_Citation:

Citation_Information:

Originator: Nancy G. Prouty
Originator: Miranda C. Baker
Publication_Date: 2021
Title:

CTD profiles and discrete water-column measurements collected off California and Oregon during NOAA cruise SH-18-12 (USGS field activity 2018-663-FA) from October to November 2018 (ver. 3.0, July 2022)

Edition: 3.0
Series_Information:

Series_Name: data release
Issue_Identification: DOI:10.5066/P99MJ096

Publication_Information:

Publication_Place: Pacific Coastal and Marine Science Center, Santa Cruz, CA
Publisher: U.S. Geological Survey

Online_Linkage: https://doi.org/10.5066/P99MJ096

Description:

Abstract:

Various water column variables, including salinity, dissolved inorganic nutrients, pH, total alkalinity, dissolved inorganic carbon, radio-carbon isotopes were measured in samples collected using a Niskin-bottle rosette at selected depths from sites offshore of California and Oregon from October to November 2018 during NOAA cruise SH-18-12 on the R/V Bell M. Shimada (USGS field activity 2018-663-FA). CTD (Conductivity Temperature Depth) data were also collected at each depth that a Niskin-bottle sample was collected and are presented along with the water sample data. This data release supersedes version 2.0, published in September 2021 at https://doi.org/10.5066/P99DIQZ5. Versioning details are documented in the accompanying VersionHistory_P99MJ096.txt file.

Purpose:

These data were collected as part of the on-going Expanding Pacific Research and Exploration of Submerged Systems (EXPRESS) project, a multi-year, multi-institution cooperative research campaign in deep sea areas of California, Oregon, and Washington, including the continental shelf and slope. EXPRESS data and information are intended to guide wise use of living marine resources and habitats, inform ocean energy and mineral resource decisions, and improve offshore hazard assessments. The ultimate goal of EXPRESS is to develop comprehensive digital elevation models, habitat maps, and geologic maps, which are needed to address important issues associated with marine spatial planning, ecosystem assessments, geohazards, and the impact on sensitive ecosystems of offshore infrastructure development. This particular NOAA cruise focused on deep-sea corals, sponges, and associated habitats.

Supplemental_Information:

Additional information about the field activities from which these data were derived is available online at:
http://cmgds.marine.usgs.gov/fan_info.php?fan=2018-663-FA
Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.

Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 20181012
Ending_Date: 20181107

Currentness_Reference: Ground condition at time data were collected.

Status:

Progress: Complete
Maintenance_and_Update_Frequency: None planned

Spatial_Domain:

Bounding_Coordinates:

West_Bounding_Coordinate: -124.9152
East_Bounding_Coordinate: -119.3453
North_Bounding_Coordinate: 44.6653
South_Bounding_Coordinate: 33.1300

Keywords:

Theme:

Theme_Keyword_Thesaurus: USGS Metadata Identifier
Theme_Keyword: USGS:62a7ac5ad34ec53d2770c81f

Theme:

Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: oceans
Theme_Keyword: environment
Theme_Keyword: geoscientificInformation

Theme:

Theme_Keyword_Thesaurus: Data Categories for Marine Planning
Theme_Keyword: Water Column Features

Theme:

Theme_Keyword_Thesaurus: USGS Thesaurus
Theme_Keyword: CTD measurement
Theme_Keyword: ocean salinity
Theme_Keyword: marine chemistry
Theme_Keyword: ocean temperature
Theme_Keyword: time series datasets
Theme_Keyword: marine water quality

Theme:

Theme_Keyword_Thesaurus: Marine Realms Information Bank (MRIB) keywords
Theme_Keyword: physical oceanography
Theme_Keyword: geochemistry
Theme_Keyword: chemical oceanography
Theme_Keyword: carbonate analysis

Theme:

Theme_Keyword_Thesaurus: None
Theme_Keyword: U.S. Geological Survey
Theme_Keyword: USGS
Theme_Keyword: Coastal and Marine Hazards and Resources Program
Theme_Keyword: CMHRP
Theme_Keyword: Pacific Coastal and Marine Science Center
Theme_Keyword: PCMSC

Place:

Place_Keyword_Thesaurus: Geographic Names Information System (GNIS)
Place_Keyword: Pacific Ocean

Access_Constraints: None
Use_Constraints:

USGS-authored or produced data and information are in the public domain from the U.S. Government and are freely redistributable with proper metadata and source attribution. Please recognize and acknowledge the U.S. Geological Survey, Bureau of Ocean Energy Management (BOEM), and the National Oceanic and Atmospheric Administration (NOAA) as the originators of the dataset and in products derived from these data.

Point_of_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization:

U.S. Geological Survey, Pacific Coastal and Marine Science Center

Contact_Person: PCMSC Science Data Coordinator

Contact_Address:

Address_Type: mailing and physical
Address: 2885 Mission Street
City: Santa Cruz
State_or_Province: CA
Postal_Code: 95060

Contact_Voice_Telephone: 831-427-4747
Contact_Electronic_Mail_Address: pcmsc_data@usgs.gov

Data_Set_Credit:

Sarah Merolla, Carina Fish, Chelsey Souza (U.C. Davis), Nissa Kreisler (Humboldt State)

Native_Data_Set_Environment:

CO2 System Calculations done in Mac OSX 10.11.6, Microsoft Excel 14.7.1 for Mac. Raw data from the Sea-Bird SBE 9 CTD were processed using the manufacturers software, Seasave V 7.23.2.

Cross_Reference:

Citation_Information:

Originator: Lewis, E.
Originator: Wallace, W.R.
Publication_Date: 1998
Title: Program developed for CO2 system calculations
Online_Linkage: http://cdiac.ornl.gov/oceans/co2rprt.html

Cross_Reference:

Citation_Information:

Originator: M. Stuiver
Originator: H.A. Polach
Publication_Date: 1977
Title: Discussion reporting of 14C data
Online_Linkage: https://doi.org/10.1017/S0033822200003672

Cross_Reference:

Citation_Information:

Originator: Dickson, A.G.
Publication_Date: 1990
Title:

Thermodynamics of the dissociation of boric acid in synthetic seawater from 273.15 to 318.15 K

Online_Linkage: https://doi.org/10.1016/0198-0149(90)90004-F

Cross_Reference:

Citation_Information:

Originator: Dickson, A.G.
Originator: Sabine, C.L.
Originator: Christian, J.R.
Publication_Date: 2007
Title: A guide to best practices for ocean CO2 measurements

Cross_Reference:

Citation_Information:

Originator: Millero, F.J.
Originator: Lee, K.
Originator: Roche, M.
Publication_Date: 1998
Title:

Distribution of alkalinity in the surface waters of the major oceans

Online_Linkage: https://doi.org/10.1016/S0304-4203(97)00084-4

Cross_Reference:

Citation_Information:

Originator: Pierrot, D.
Originator: Lewis, E.
Originator: Wallace, D.W.R.
Publication_Date: 2006
Title: MS Excel program developed for CO2 system calculations
Online_Linkage: https://doi.org/10.3334/CDIAC/otg.CO2SYS_XLS_CDIAC105a

Data_Quality_Information:

Attribute_Accuracy:

Attribute_Accuracy_Report: All geochemistry data were calibrated against known standards

Logical_Consistency_Report: No formal logical accuracy tests were conducted.
Completeness_Report:

Dataset is considered complete for the information presented, as described in the abstract. Users are advised to read the metadata for each part of this data release carefully for additional details. Dataset is considered complete for the information presented, as described in the abstract. Users are advised to read the metadata for each part of this data release carefully for additional details.

Positional_Accuracy:

Horizontal_Positional_Accuracy:

Horizontal_Positional_Accuracy_Report:

A formal accuracy assessment of the horizontal positional information in the data set has not been conducted. The horizontal accuracy is based on ship’s position using the navigations system; MX420 DGPS (Differential GPSP) with an accuracy of 1 m.

Vertical_Positional_Accuracy:

Vertical_Positional_Accuracy_Report:

A formal accuracy assessment of the vertical positional information in the data set has not been conducted. Depth was determined using a SeaBird CTD digiquartz pressure sensor with a stated accuracy of 0.015%.

Lineage:

Source_Information:

Source_Citation:

Citation_Information:

Originator:

University of California at Santa Barbara, Marine Science Institute

Publication_Date: 2019
Title: Seawater nutrient analyses
Online_Linkage:

http://msi.ucsb.edu/services/analytical-lab/seawater-nutrients-fia

Type_of_Source_Media: seawater lab samples
Source_Time_Period_of_Content:

Time_Period_Information:

Single_Date/Time:

Calendar_Date: 20191114

Source_Currentness_Reference: Date when lab analyses were completed

Source_Citation_Abbreviation: nutrients
Source_Contribution:

Flow injection analysis for dissolved nutrient (nitrate, ammonium, phosphate, and silicate) concentrations.

Source_Information:

Source_Citation:

Citation_Information:

Originator: University of California at Davis, Bodega Marine Lab
Publication_Date: 2019
Title: Seawater carbonate chemistry analysis
Online_Linkage: https://marinescience.ucdavis.edu/bml/about

Type_of_Source_Media: seawater lab samples
Source_Time_Period_of_Content:

Time_Period_Information:

Single_Date/Time:

Calendar_Date: 20190424

Source_Currentness_Reference: Date when lab analyses were completed

Source_Citation_Abbreviation: pH and total alkalinity
Source_Contribution:

pH was determined Spectrophotometrically; Total alkalinity was determined by means of automated Gran titration on a Metrohm 809 Titrando (Dickson et al. 2007).

Source_Information:

Source_Citation:

Citation_Information:

Originator:

National Ocean Sciences Accelerator Mass Spectrometry (NOSAMS) facility

Publication_Date: 2019
Title: Seawater radiocarbon analysis
Online_Linkage: https://www.whoi.edu/nosams/Submitting_Guidelines

Type_of_Source_Media: seawater lab samples
Source_Time_Period_of_Content:

Time_Period_Information:

Single_Date/Time:

Calendar_Date: 20181221

Source_Currentness_Reference: Date when lab analyses were completed

Source_Citation_Abbreviation: dissolved inorganic radiocarbon
Source_Contribution:

An accelerator mass spectrometer (AMS) was used to measure inorganic radiocarbon

Source_Information:

Source_Citation:

Citation_Information:

Originator: U.S. Geological Survey
Publication_Date: 2020
Title:

CTD profile measurements collected off California and Oregon during NOAA cruise SH-18-12 (USGS field activity 2018-663-FA) from October to November 2018

Online_Linkage: https://doi.org/10.5066/P99DIQZ5

Type_of_Source_Media: CTD measurements
Source_Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 20181012
Ending_Date: 20181107

Source_Currentness_Reference: Date when CTD profiles were collected

Source_Citation_Abbreviation: CTD data
Source_Contribution:

CTD measurements at particular depths were appended to the Niskin bottle water sample data

Process_Step:

Process_Description:

Water samples were collected using a Niskin bottle rosette apparatus at different depths throughout the water column. Simultaneous conductivity, salinity, and depth (CTD) data were collected with a SeaBird SBE-9 CTD profiler at each Niskin bottle sample depth. The latitude and longitude were updated in v2.0 to correct values from v1.0.

Process_Date: 20181108

Process_Step:

Process_Description:

Seawater samples were analyzed by several different labs (see Sources) for different variables. Data from all seawater lab analyses were combined into a single document. Calcite and aragonite saturation states were calculated using an Excel Workbook Macro translation of the original CO2SYS program (Lewis and Wallace, 1998; Pierrot and others, 2006). -9999 cell value indicates no data (for example, where water was not sampled, or a water sample was not analyzed for a particular variable).

Source_Used_Citation_Abbreviation: nutrients
Source_Used_Citation_Abbreviation: pH and total alkalinity
Source_Used_Citation_Abbreviation: dissolved inorganic radiocarbon
Process_Date: 20190424
Source_Produced_Citation_Abbreviation: lab data

Process_Step:

Process_Description:

CTD data and water column variables were combined based on depths into a single document (SH-18-12_BTL_CTD_data.csv).

Source_Used_Citation_Abbreviation: lab data
Source_Used_Citation_Abbreviation: CTD data
Process_Date: 20200416

Process_Step:

Process_Description:

Corrected the lat/lon coordinates for CTD measurements collected on October 18, 2018. No other data were changed. Version 1.0 data available upon request.

Process_Date: 20210902

Process_Step:

Process_Description:

This data release supersedes version 2.0, published in September 2021 at https://doi.org/10.5066/P99DIQZ5. Versioning details are documented in the accompanying VersionHistory_P99MJ096.txt file. For the revision, an attribute column header in the water-column environmental variable data file (SH-18-12_BTL_CTD_v.2.0_data.csv) was revised to accurately report ammonium not ammonia. No data values were changed, nor were any changes made in the accompanying CTD data (SH-18-12_raw_CTD.zip). Metadata files for both data files were revised to reflect the new doi number, URLs, download links, and PIDs. The metadata available from a harvester may supersede metadata bundled within a download file. Users are advised to compare the metadata dates to determine which metadata file is most recent.

Process_Date: 202207

Spatial_Data_Organization_Information:

Direct_Spatial_Reference_Method: Point
Point_and_Vector_Object_Information:

SDTS_Terms_Description:

SDTS_Point_and_Vector_Object_Type: Point
Point_and_Vector_Object_Count: 161

Spatial_Reference_Information:

Horizontal_Coordinate_System_Definition:

Geographic:

Latitude_Resolution: 0.0001
Longitude_Resolution: 0.0001
Geographic_Coordinate_Units: Decimal degrees

Geodetic_Model:

Horizontal_Datum_Name: D_WGS_1984
Ellipsoid_Name: D_WGS_1984
Semi-major_Axis: 6378137.000000
Denominator_of_Flattening_Ratio: 298.257224

Entity_and_Attribute_Information:

Detailed_Description:

Entity_Type:

Entity_Type_Label:

A tab-delimited text file with the first line being a header line.

Entity_Type_Definition:

Output from CO2SYS program and geochemistry lab analyses combined with CTD data from water sample collection

Entity_Type_Definition_Source: Producer defined.

Attribute:

Attribute_Label: Cruise
Attribute_Definition: Name of Cruise on which samples and measurements were collected
Attribute_Definition_Source: Producer defined
Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: SH-18-12
Enumerated_Domain_Value_Definition:

Abbreviation indicating Bell M. Shimada R/V, year and mission number.

Enumerated_Domain_Value_Definition_Source: Producer defined

Attribute:

Attribute_Label: CTD station
Attribute_Definition: numbered station where CTD measurements were collected
Attribute_Definition_Source: Producer defined.
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 1
Range_Domain_Maximum: 22
Attribute_Units_of_Measure: days

Attribute:

Attribute_Label: Site Name
Attribute_Definition: Site Name where samples were collected
Attribute_Definition_Source: Producer defined.
Attribute_Domain_Values:

Unrepresentable_Domain: List of Site names

Attribute:

Attribute_Label: Date
Attribute_Definition: Date [YYYYMMDD]
Attribute_Definition_Source: Producer defined.
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 20181012
Range_Domain_Maximum: 20181107

Attribute:

Attribute_Label: Time
Attribute_Definition: Time (UTC) [HH:MM:SS]
Attribute_Definition_Source: Producer defined.
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 00:00:00
Range_Domain_Maximum: 23:59:59
Attribute_Units_of_Measure: HH:MM:SS
Attribute_Measurement_Resolution: 1

Attribute:

Attribute_Label: TimeJ
Attribute_Definition: Time in Julian Days
Attribute_Definition_Source: Producer defined.
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 285.468436
Range_Domain_Maximum: 311.259419
Attribute_Units_of_Measure: Julian Days
Attribute_Measurement_Resolution: 0.000001

Attribute:

Attribute_Label: Temperature
Attribute_Definition: Temperature in degrees Celsius
Attribute_Definition_Source: Producer defined.
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 4.8869
Range_Domain_Maximum: 19.2192
Attribute_Units_of_Measure: degrees Celsius
Attribute_Measurement_Resolution: 0.0001

Attribute:

Attribute_Label: Conductivity
Attribute_Definition: Conductivity
Attribute_Definition_Source: Producer defined.
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 32900
Range_Domain_Maximum: 45600
Attribute_Units_of_Measure: microsiemens per centimeter
Attribute_Measurement_Resolution: 100

Attribute:

Attribute_Label: Pressure
Attribute_Definition: Pressure
Attribute_Definition_Source: Producer defined.
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 1.504
Range_Domain_Maximum: 617.345
Attribute_Units_of_Measure: decibels
Attribute_Measurement_Resolution: 0.001

Attribute:

Attribute_Label: Sbeox0
Attribute_Definition: Oxygen in milligrams per liter
Attribute_Definition_Source: Producer defined.
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0.3903
Range_Domain_Maximum: 8.6001
Attribute_Units_of_Measure: milligrams per liter
Attribute_Measurement_Resolution: 0.0001

Attribute:

Attribute_Label: Sbeox0PS
Attribute_Definition: Oxygen in percentage saturation
Attribute_Definition_Source: Producer defined.
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 3.845
Range_Domain_Maximum:

104.553 Attribute_Units_of_Measure: percentage saturation

Attribute_Measurement_Resolution: 0.001

Attribute:

Attribute_Label: Turbidity
Attribute_Definition: Turbidity,
Attribute_Definition_Source: Producer defined.
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0.0259
Range_Domain_Maximum: 0.5086
Attribute_Units_of_Measure: Nephelometric Turbidity Units
Attribute_Measurement_Resolution: 0.0001

Attribute:

Attribute_Label: Fluorescence
Attribute_Definition: Fluorescence
Attribute_Definition_Source: Producer defined.
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: -0.0397
Range_Domain_Maximum: 4.1578
Attribute_Units_of_Measure: miligrams per cubic meter
Attribute_Measurement_Resolution: 0.0001

Attribute:

Attribute_Label: AltM
Attribute_Definition: meters above seafloor
Attribute_Definition_Source: Producer defined.
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 2.19
Range_Domain_Maximum: 98.87
Attribute_Units_of_Measure: meters
Attribute_Measurement_Resolution: 0.01

Attribute:

Attribute_Label: Salinity
Attribute_Definition:

Salinity. Values of -9999 indicate the parameter was not measured

Attribute_Definition_Source: Producer defined.
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 32.259
Range_Domain_Maximum: 34.328
Attribute_Units_of_Measure: practical salinity units (PSU)
Attribute_Measurement_Resolution: 0.001

Attribute:

Attribute_Label: DepSM
Attribute_Definition: Depth saltwater from the surface
Attribute_Definition_Source: Producer defined.
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 1.491
Range_Domain_Maximum: 611.778
Attribute_Units_of_Measure: meters
Attribute_Measurement_Resolution: 0.001

Attribute:

Attribute_Label: Latitude
Attribute_Definition: Latitude of sample location
Attribute_Definition_Source: Producer defined.
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 33.1300
Range_Domain_Maximum: 44.6652
Attribute_Units_of_Measure: decimal degrees
Attribute_Measurement_Resolution: 0.0001

Attribute:

Attribute_Label: Longitude
Attribute_Definition: Longitude of sample location
Attribute_Definition_Source: Producer defined.
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: -124.9059
Range_Domain_Maximum: -119.3454
Attribute_Units_of_Measure: decimal degrees
Attribute_Measurement_Resolution: 0.0001

Attribute:

Attribute_Label: Niskin Bottle
Attribute_Definition: Niskin Bottle Number
Attribute_Definition_Source: Producer defined.
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 1
Range_Domain_Maximum: 12
Attribute_Units_of_Measure: bottle number

Attribute:

Attribute_Label: Phosphate
Attribute_Definition:

Dissolved inorganic phosphate concentration. Values of -9999 indicate the parameter was not measured.

Attribute_Definition_Source: standard reporting value in inorganic chemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0.16
Range_Domain_Maximum: 3.40
Attribute_Units_of_Measure: micromole per liter of seawater
Attribute_Measurement_Resolution: 0.01

Attribute:

Attribute_Label: Silicate
Attribute_Definition:

Dissolved inorganic silicate concentration. Values of -9999 indicate the parameter was not measured

Attribute_Definition_Source: standard reporting value in inorganic chemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 1.04
Range_Domain_Maximum: 88.17
Attribute_Units_of_Measure: micromole per liter of seawater
Attribute_Measurement_Resolution: 0.01

Attribute:

Attribute_Label: Nitrate and Nitrite
Attribute_Definition:

Dissolved inorganic nitrate and nitrite concentration. Values of -9999 indicate the parameter was not measured

Attribute_Definition_Source: standard reporting value in inorganic chemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0.06
Range_Domain_Maximum: 47.10
Attribute_Units_of_Measure: micromole per liter of seawater
Attribute_Measurement_Resolution: 0.01

Attribute:

Attribute_Label: Ammonium
Attribute_Definition:

Dissolved inorganic ammonium concentration. Values of -9999 indicate the parameter was not measured

Attribute_Definition_Source: standard reporting value in inorganic chemistry.
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: <0.019
Range_Domain_Maximum: 0.65
Attribute_Units_of_Measure: micromole per liter of seawater
Attribute_Measurement_Resolution: 0.01

Attribute:

Attribute_Label: Total Alkalinity
Attribute_Definition:

Total alkalinity concentration. Values of -9999 indicate the parameter was not measured

Attribute_Definition_Source: standard reporting value in inorganic chemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 2083.97401
Range_Domain_Maximum: 2356.22836
Attribute_Units_of_Measure: micromole per liter of seawater
Attribute_Measurement_Resolution: 0.00001

Attribute:

Attribute_Label: Total Alkalinity (STD)
Attribute_Definition:

Standard deviation of Total Alkalinity measurement. Values of -9999 indicate the parameter was not measured

Attribute_Definition_Source: Producer defined.
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0.03379
Range_Domain_Maximum: 95.90443
Attribute_Units_of_Measure: micromole per liter of seawater
Attribute_Measurement_Resolution: 0.00001

Attribute:

Attribute_Label: pH
Attribute_Definition:

The negative of the base 10 logarithm of the molar concentration, measured in units of moles per liter, of hydrogen ions. Values of -9999 indicate the parameter was not measured

Attribute_Definition_Source: Producer defined.
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 6.988469
Range_Domain_Maximum: 7.995355
Attribute_Units_of_Measure: unitless
Attribute_Measurement_Resolution: 0.000001

Attribute:

Attribute_Label: Dissolved Inorganic Carbon
Attribute_Definition:

The sum of inorganic carbon species in a solution (carbon dioxide, carbonic acid, bicarbonate anion, and carbonate. Values of -9999 indicate the parameter was not measured.

Attribute_Definition_Source: standard reporting value in inorganic chemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 2009.25
Range_Domain_Maximum: 2309.03
Attribute_Units_of_Measure: micromole per kilogram
Attribute_Measurement_Resolution: 0.01

Attribute:

Attribute_Label: Dissolved Inorganic Carbon (STD)
Attribute_Definition:

Standard deviation of Dissolved Inorganic Carbon measurement. Values of -9999 indicate the parameter was not measured.

Attribute_Definition_Source: Producer defined.
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0.01
Range_Domain_Maximum: 49.96
Attribute_Units_of_Measure: micromole per liter of seawater
Attribute_Measurement_Resolution: 0.01

Attribute:

Attribute_Label: Calcite Saturation State
Attribute_Definition:

ratio of [CO32-] and [Ca2+] divided by the calcite solubility product (Ksp) assuming the concentration of calcium, [Ca2+] is proportional to the salinity, and the carbonate concentration, [CO32-] was calculated from total alkalinity, pH, and the values of K1 and K2 for carbonic acid from Millero and others (1998) and Dickson and others (1990). Values of -9999 indicate the parameter was not measured.

Attribute_Definition_Source:

Calculated with measured salinity, temperature, nutrients, total alkalinity, and pH data using an Excel Workbook Macro translation of the original CO2SYS program (Lewis and Wallace, 1998).

Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0.33
Range_Domain_Maximum: 3.89
Attribute_Units_of_Measure: unitless
Attribute_Measurement_Resolution: 0.01

Attribute:

Attribute_Label: Aragonite Saturation State
Attribute_Definition:

ratio of [CO32-] and [Ca2+] divided by the aragonite solubility product (Ksp) assuming the concentration of calcium, [Ca2+] is proportional to the salinity, and the carbonate concentration, [CO32-] was calculated from total alkalinity, pH, and the values of K1 and K2 for carbonic acid from Millero and others (1998) and Dickson and others (1990). Values of -9999 indicate the parameter was not measured.

Attribute_Definition_Source:

Calculated with measured salinity, temperature, nutrients, total alkalinity, and pH data using an Excel Workbook Macro translation of the original CO2SYS program (Lewis and Wallace, 1998).

Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0.21
Range_Domain_Maximum: 2.51
Attribute_Units_of_Measure: unitless
Attribute_Measurement_Resolution: 0.01

Attribute:

Attribute_Label: Fraction Modern
Attribute_Definition:

Fraction modern is a measurement of the deviation of the delta-Carbon-14/delta-Carbon-12 ratio of a sample from modern carbon (Stuiver and Polach, 1977). Values of -9999 indicate the parameter was not measured.

Attribute_Definition_Source: defined in Stuiver and Polach (1977)
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0.8628
Range_Domain_Maximum: 1.0193
Attribute_Units_of_Measure: unitless
Attribute_Measurement_Resolution: 0.0001

Attribute:

Attribute_Label: Fraction Modern (error)
Attribute_Definition:

Fraction modern (error) is a measurement of the deviation of the delta-Carbon-14/delta-Carbon-12 ratio of a sample from modern carbon (Stuiver and Polach, 1977). Values of -9999 indicate the parameter was not measured.

Attribute_Definition_Source: defined in Stuiver and Polach (1977)
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0.0019
Range_Domain_Maximum: 0.003
Attribute_Units_of_Measure: unitless
Attribute_Measurement_Resolution: 0.0001

Attribute:

Attribute_Label: Conventional Radiocarbon Age
Attribute_Definition:

Conventional Radiocarbon Age calculated using the radiocarbon decay equation (Stuiver and Polach, 1977). Values of -9999 indicate the parameter was not measured.

Attribute_Definition_Source: defined in Stuiver and Polach (1977)
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 10
Range_Domain_Maximum: 1190
Attribute_Units_of_Measure: years
Attribute_Measurement_Resolution: 5

Attribute:

Attribute_Label: Conventional Radiocarbon Age (error)
Attribute_Definition:

Standard error for Conventional Radiocarbon Age. Values of -9999 indicate the parameter was not measured.

Attribute_Definition_Source: Producer defined.
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 15
Range_Domain_Maximum: 25
Attribute_Units_of_Measure: years
Attribute_Measurement_Resolution: 1

Attribute:

Attribute_Label: delta-C-13
Attribute_Definition:

delta-C-13 is a measure of the ratio of stable isotopes Carbon-13:Carbon-12, reported in parts per thousand (per mil). Values of -9999 indicate the parameter was not measured.

Attribute_Definition_Source: standard reporting value in isotope chemistry
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: -0.53
Range_Domain_Maximum: 1.18
Attribute_Units_of_Measure: parts per thousand (per mil)
Attribute_Measurement_Resolution: 0.01

Attribute:

Attribute_Label: Delta-C-14
Attribute_Definition:

The relative difference between the absolute international standard (base year 1950) and sample activity corrected for age and delta-Carbon-13. Values of -9999 indicate the parameter was not measured.

Attribute_Definition_Source: defined in Stuiver and Polach (1977)
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: -145.66
Range_Domain_Maximum: 10.24
Attribute_Units_of_Measure: parts per thousand (per mil)
Attribute_Measurement_Resolution: 0.01

Overview_Description:

Entity_and_Attribute_Overview: The first line of the tab-delimited text file is a header line.
Entity_and_Attribute_Detail_Citation: U.S. Geological Survey

Distribution_Information:

Distributor:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: U.S. Geological Survey - ScienceBase

Contact_Address:

Address_Type: mailing and physical
Address: Denver Federal Center, Building 810, Mail Stop 302
City: Denver
State_or_Province: CO
Postal_Code: 80225

Contact_Voice_Telephone: 1-888-275-8747
Contact_Electronic_Mail_Address: sciencebase@usgs.gov

Resource_Description:

These data are available in a text file (SH_18_12_CTD_BTLDATA_v3.0.txt) which contains seawater carbonate analysis and CTD data for all collected water samples.

Distribution_Liability:

Unless otherwise stated, all data, metadata and related materials are considered to satisfy the quality standards relative to the purpose for which the data were collected. Although these data and associated metadata have been reviewed for accuracy and completeness and approved for release by the U.S. Geological Survey (USGS), no warranty expressed or implied is made regarding the display or utility of the data on any other system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty.

Standard_Order_Process:

Digital_Form:

Digital_Transfer_Information:

Format_Name: tab-delimited text
Format_Version_Number: 14.7.7
Format_Information_Content: ASCII text file
File_Decompression_Technique: none
Transfer_Size: 0.041

Digital_Transfer_Option:

Online_Option:

Computer_Contact_Information:

Network_Address:

Network_Resource_Name:

https://www.sciencebase.gov/catalog/file/get/62a7ac5ad34ec53d2770c81f

Network_Resource_Name:

https://www.sciencebase.gov/catalog/item/62a7ac5ad34ec53d2770c81f

Network_Resource_Name: https://doi.org/10.5066/P99MJ096

Access_Instructions:

Data can be downloaded using the Network_Resource_Name links. The first link is a direct link to download the zipped file of data and metadata. The second link points to a landing page for the water parameter data and its metadata. The third link points to a landing page for the entire data release.

Fees: None.

Technical_Prerequisites: These data can be viewed with any text editor software.

Metadata_Reference_Information:

Metadata_Date: 20220713
Metadata_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization:

U.S. Geological Survey, Pacific Coastal and Marine Science Center

Contact_Person: PCMSC Science Data Coordinator

Contact_Address:

Address_Type: mailing and physical
Address: 2885 Mission Street
City: Santa Cruz
State_or_Province: CA
Postal_Code: 95060

Contact_Voice_Telephone: 831-427-4747
Contact_Electronic_Mail_Address: pcmsc_data@usgs.gov

Metadata_Standard_Name: Content Standard for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998

This page is <https://cmgds.marine.usgs.gov/catalog/pcmsc/DataReleases/ScienceBase/DR_P99MJ096/SH-18-12_BTL_CTD_metadata_v3.0.html>