Surface underway measurements of partial pressure of carbon dioxide (pCO2), sea surface temperature, sea surface salinity and other parameters from Autonomous Surface Vehicle (ASV) Saildrone 1002 (EXPOCODE 32DB20170716) in the North Pacific Ocean, Bering Sea, Chukchi Sea and Arctic Ocean from 2017-07-16 to 2017-08-25 (NCEI Accession 0237621)
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title: Surface underway measurements of partial pressure of carbon dioxide (pCO2), sea surface temperature, sea surface salinity and other parameters from Autonomous Surface Vehicle (ASV) Saildrone 1002 (EXPOCODE 32DB20170716) in the North Pacific Ocean, Bering Sea, Chukchi Sea and Arctic Ocean from 2017-07-16 to 2017-08-25 (NCEI Accession 0237621)
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abstract: This dataset includes surface underway chemical, meteorological and physical data collected from Autonomous Surface Vehicle (ASV) Saildrone 1002 (EXPOCODE 32DB20170716) in the North Pacific Ocean, Bering Sea, Chukchi Sea and Arctic Ocean from 2017-07-16 to 2017-08-25. These data include xCO2 SW (wet) - mole fraction of CO2 in air in equilibrium with the seawater at sea surface temperature and measured humidity; H2O SW - Mole fraction of H2O in air from equilibrator; xCO2 Air (wet) - Mole fraction of CO2 in air from airblock, 0.67m (26") above the sea surface at measured humidity; H2O Air - Mole fraction of H2O in air from airblock, 0.67m (26") above the sea surface; Atmospheric pressure at the airblock, 0.67m (26") above the sea surface; Atmospheric pressure at the airblock, 0.67m (26") above the sea surface; Temperature of the Infrared Licor 820 in degrees Celsius; MAPCO2 %O2 - The percent oxygen of the surface seawater divided by the percent oxygen of the atmosphere at 0.67m (26") above the sea surface; Sea Surface Temperature; Sea Surface Salinity; xCO2 SW (dry) - Mole fraction of CO2 in air in equilibrium with the seawater at sea surface temperature (dry air); xCO2 Air (dry) - Mole fraction of CO2 in air at the airblock, 0.67m (26") above the sea surface (dry air); fCO2 SW (sat) - Fugacity of CO2 in air in equilibrium with the seawater at sea surface temperature (100% humidity); fCO2 Air (sat) - Fugacity of CO2 in air at the airblock, 0.67m (26") above the sea surface (100% humidity); dfCO2 - Difference of the fugacity of the CO2 in seawater and the fugacity of the CO2 in air (fCO2 SW - fCO2 Air); pCO2 SW (wet) - Partial Pressure of CO2 in air in equilibrium with the seawater at sea surface temperature (100% humidity); pCO2 Air (wet) - Partial Pressure of CO2 in air at the airblock, 0.67m (26") above the sea surface (100% humidity); dpCO2 - Difference of the partial pressure of CO2 in seawater and air (pCO2 SW - pCO2 Air; pH of Seawater (total scale). The Autonomous Surface Vehicle CO2 (ASVCO2) instruments used to collect these data include Bubble type equilibrator for autonomous carbon dioxide (CO2) measurement, Carbon dioxide (CO2) gas analyzer, Humidity Sensor, and oxygen meter.
purpose: This dataset is available to the public for a wide variety of uses including scientific research and analysis.
credit: Funding Information: NOAA Ocean Acidification Program (The Rise of Anthropogenic Impacts: CO2 Fluxes and Ocean Acidification in the Arctic Ocean, 13351)
credit: Funding Information: NOAA Ocean Acidification Program (Autonomous Observations of Ocean Acidification in Alaska Coastal Seas, 13323)
credit: Funding Information: NOAA Climate Program (Autonomous Surface Vehicle, Saildrone)
credit: Funding Information: NOAA
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dataQualityInfo: (DQ_DataQuality)
scope: (DQ_Scope)
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description: Parameter or Variable: xCO2 SW (wet); Abbreviation: xCO2 SW (wet); Unit: [μmol/mol]; Controlled vocabulary name: partial pressure of carbon dioxide - water; Observation type: surface underway; In-situ / Manipulation / Response variable: in-situ; Sampling instrument: ASVCO2 (NOAA trademark); Analyzing instrument: Absolute, non-dispersive infrared (NDIR) gas analyzer; LI-820; Sensor manufacturer: NOAA PMEL; Duration: 1hr cycle; Detailed sampling and analyzing information: At the beginning of each sample, the instrument self-calibrates using a zero and high standard. The zero standard is generated by cycling a small amount of air through a soda lime chamber. The high standard is from a cylinder of calibrated standard reference gas, 396.21 umol/mol, from ESRL. ESRL standards are traceable to WMO x93 scale with a stated reproducibility of 0.06 micromole/mole. For more information on estimates of accuracy and precision of the MAPCO2 system, see Sutton et al. 2014.; Uncertainty: Resolution_Water - 0.7 uatm; Uncertainty_Water - 2 uatm; Resolution_Air - 0.6 uatm; Uncertainty_Air - 1 uatm; Method reference: Sutton, A.J., Sabine, C.L., Maenner-Jones, S., Lawrence-Slavas, N., Meinig, C., Feely, R.A., Mathis, J.T., Musielewicz, S., Bott, R., McLain, P.D., Fought, J., Kozyr, A., 2014. A high-frequency atmospheric and seawater pCO2 data set from 14 open ocean sites using a moored autonomous system. Earth Sys. Sci. Data, 6, https://doi.org/10.5194/essd-6-353-2014, 353-366..
processStep: (LE_ProcessStep)
description: Parameter or Variable: H2O SW; Abbreviation: H2O SW; Unit: [mmol/mol]; Observation type: surface underway; In-situ / Manipulation / Response variable: in-situ; Sampling instrument: ASVCO2 (NOAA trademark); Sensor manufacturer: NOAA PMEL.
processStep: (LE_ProcessStep)
description: Parameter or Variable: xCO2 Air (wet); Abbreviation: xCO2 Air (wet); Unit: [μmol/mol]; Controlled vocabulary name: Partial pressure (or fugacity) of carbon dioxide - atmosphere; Observation type: surface underway; In-situ / Manipulation / Response variable: in-situ; Sampling instrument: ASVCO2 (NOAA trademark); Sensor manufacturer: NOAA PMEL.
processStep: (LE_ProcessStep)
description: Parameter or Variable: H2O Air; Abbreviation: H2O Air; Unit: [mmol/mol]; Observation type: surface underway; In-situ / Manipulation / Response variable: in-situ; Sampling instrument: ASVCO2 (NOAA trademark); Sensor manufacturer: NOAA PMEL.
processStep: (LE_ProcessStep)
description: Parameter or Variable: Pressure of Licor; Abbreviation: Pressure of Licor; Unit: [hPa]; In-situ / Manipulation / Response variable: in-situ; Sampling instrument: ASVCO2 (NOAA trademark); Sensor manufacturer: NOAA PMEL.
processStep: (LE_ProcessStep)
description: Parameter or Variable: Licor Temp; Abbreviation: Licor Temp; Unit: [Deg. C]; Observation type: surface underway; In-situ / Manipulation / Response variable: in-situ; Sampling instrument: ASVCO2 (NOAA trademark); Sensor manufacturer: NOAA PMEL.
processStep: (LE_ProcessStep)
description: Parameter or Variable: SST; Abbreviation: SST; Unit: [Deg. C]; Controlled vocabulary name: SEA SURFACE TEMPERATURE; Observation type: surface underway; In-situ / Manipulation / Response variable: in-situ.
processStep: (LE_ProcessStep)
description: Parameter or Variable: SS Salinity; Abbreviation: SS Salinity; Controlled vocabulary name: SALINITY; Observation type: surface underway; In-situ / Manipulation / Response variable: in-situ.
processStep: (LE_ProcessStep)
description: Parameter or Variable: xCO2 SW (dry); Abbreviation: xCO2 SW (dry); Unit: [μmol/mol]; Controlled vocabulary name: partial pressure of carbon dioxide - water; Observation type: surface underway; In-situ / Manipulation / Response variable: in-situ.
processStep: (LE_ProcessStep)
description: Parameter or Variable: xCO2 Air (dry); Abbreviation: xCO2 Air (dry); Unit: [μmol/mol]; Controlled vocabulary name: Partial pressure (or fugacity) of carbon dioxide - atmosphere; Observation type: surface underway; In-situ / Manipulation / Response variable: in-situ.
processStep: (LE_ProcessStep)
description: Parameter or Variable: fCO2 SW (sat); Abbreviation: fCO2 SW (sat); Unit: [uatm]; Controlled vocabulary name: partial pressure of carbon dioxide - water; Observation type: surface underway; In-situ / Manipulation / Response variable: in-situ.
processStep: (LE_ProcessStep)
description: Parameter or Variable: fCO2 Air (sat); Abbreviation: fCO2 Air (sat); Unit: [uatm]; Controlled vocabulary name: Partial pressure (or fugacity) of carbon dioxide - atmosphere; Observation type: surface underway; In-situ / Manipulation / Response variable: in-situ.
processStep: (LE_ProcessStep)
description: Parameter or Variable: Delta fCO2 (fCO2 SW - fCO2 Air); Abbreviation: Delta fCO2 (fCO2 SW - fCO2 Air); Unit: [uatm]; Controlled vocabulary name: AIR-SEA DIFFERENCE - PARTIAL PRESSURE (OR FUGACITY) OF CARBON DIOXIDE; In-situ / Manipulation / Response variable: in-situ.
processStep: (LE_ProcessStep)
description: Parameter or Variable: CO2 SW QF; Abbreviation: CO2 SW QF; Unit: Flag for xCO2 sw (wet); In-situ / Manipulation / Response variable: in-situ.
processStep: (LE_ProcessStep)
description: Parameter or Variable: CO2 Air QF; Abbreviation: CO2 Air QF; Unit: Quality Flag for xCO2 Air (wet); In-situ / Manipulation / Response variable: in-situ.
processStep: (LE_ProcessStep)
description: Parameter or Variable: Licor Atm Pressure; Abbreviation: Licor Atm Pressure; Unit: (hPa) Atmospheric pressure at the airblock, 4 feet above the sea surface.; Controlled vocabulary name: BAROMETRIC PRESSURE; In-situ / Manipulation / Response variable: in-situ.
processStep: (LE_ProcessStep)
description: Parameter or Variable: %O2; Abbreviation: %O2; Unit: The percent oxygen of the surface seawater divided by the percent oxygen of the atmosphere at 4 feet above the sea surface. Disclaimer: The oxygen measurement is made in the equilibrated air. We have found that the oxygen does not come to complete equilibrium so any rapid changes in oxygen do not get properly captured using this system. Therefore, we tend to use the oxygen data only as a qualitative sense of the biology. It is not a quantitative measure.; Controlled vocabulary name: OXYGEN - PERCENT SATURATION; In-situ / Manipulation / Response variable: in-situ.
processStep: (LE_ProcessStep)
description: Parameter or Variable: pCO2 SW (wet); Abbreviation: pCO2 SW (wet); Unit: (uatm) Partial Pressure of CO2 in air in equilibrium with the seawater at sea surface temperature (100% humidity); Controlled vocabulary name: partial pressure of carbon dioxide - water; In-situ / Manipulation / Response variable: in-situ.
processStep: (LE_ProcessStep)
description: Parameter or Variable: pCO2 Air (wet); Abbreviation: pCO2 Air (wet); Unit: (uatm) Partial Pressure of CO2 in air at the airblock, 4 feet above the sea surface (100% humidity).; Controlled vocabulary name: Partial pressure (or fugacity) of carbon dioxide - atmosphere; In-situ / Manipulation / Response variable: in-situ.
processStep: (LE_ProcessStep)
description: Parameter or Variable: dpCO2; Abbreviation: dpCO2; Unit: Difference of the partial pressure of CO2 in seawater and air (pCO2 SW - pCO2 Air; Controlled vocabulary name: AIR-SEA DIFFERENCE - PARTIAL PRESSURE (OR FUGACITY) OF CARBON DIOXIDE; In-situ / Manipulation / Response variable: in-situ.
processStep: (LE_ProcessStep)
description: Parameter or Variable: pH on Total Scale; Abbreviation: pH (total scale); Controlled vocabulary name: pH; In-situ / Manipulation / Response variable: in-situ .
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metadataMaintenance: (MD_MaintenanceInformation)
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maintenanceNote: Metadata are developed, maintained and distributed by NCEI. Updates are performed as needed to maintain currentness.
contact: (CI_ResponsibleParty)
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role: (CI_RoleCode) custodian
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acquisitionInformation: (MI_AcquisitionInformation)
instrument: (MI_Instrument)
identifier: (MD_Identifier)
code: bubble type equilibrator for autonomous carbon dioxide (CO2) measurement
type: bubble type equilibrator for autonomous carbon dioxide (CO2) measurement
description: This type of equilibrators are often used on buoys. Developed by Pacific Marine Environmental Laboratory and Monterey Bay Aquarium Research Institute, the h-shaped bubble equilibrator does not require a water pump to spray water from the top. see Takahashi 1961 for more information.
instrument: (MI_Instrument)
identifier: (MD_Identifier)
code: carbon dioxide (CO2) gas analyzer
type: carbon dioxide (CO2) gas analyzer
description: measures gaseous carbon dioxide Carbon dioxide gas analyzer has often been referred to as LI-COR, because a lot of researchers choose to use products manufactured by LI-COR incorporation for their carbon dioxide measurement. The main component of a carbon dioxide analyzer is a nondispersive infrared (NDIR) spectroscopic sensors to detect CO2 in a gaseous environment by its characteristic absorption. Carbon dioxide (CO2) gas analyzer works together with carbon dioxide (CO2) equilibrator (insttypes_id 184) to measure carbon dioxide in the water. To measure water carbon dioxide, water needs to be continuously supplied to a showerhead inside an equilibrator. As the water flows through the equilibrator chamber, dissolved carbon dioxide exchanges quickly with air in the headspace. This air is then sampled by the carbon dioxide analyzer to determine the mole fraction of CO2 in water.
instrument: (MI_Instrument)
identifier: (MD_Identifier)
code: pH sensor
type: pH sensor
description: generic meter used to measure pH Any of a class of instruments used to quantify pH in a water or other type of sample.
instrument: (MI_Instrument)
identifier: (MD_Identifier)
code: salinometer
type: salinometer
description: generic salinometer use salinometer when the instrument type used is unclear but the data include salinity measurements
instrument: (MI_Instrument)
identifier: (MD_Identifier)
code: temperature sensor
type: temperature sensor
description: A sensor used to measure temperature.
platform: (MI_Platform)
identifier: (MD_Identifier)
code: drifting buoy
description: 99 = unknown country or institution. use this entry for the generic idea of a drifting buoy.
instrument: (missing)
