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Water temperature, salinity and other data from CTD profiles and discrete nutrient bottle samples from the fishing vessel Aquila (cruise aq12-01) in the Chukchi and Bering Seas for the Ecosystems and Fisheries-Oceanography Coordinated Investigations (EcoFOCI) Project from 2012-08-12 to 2012-09-06 (NCEI Accession 0169625)


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            title:  Water temperature, salinity and other data from CTD profiles and discrete nutrient bottle samples from the fishing vessel Aquila (cruise aq12-01) in the Chukchi and Bering Seas for the Ecosystems and Fisheries-Oceanography Coordinated Investigations (EcoFOCI) Project from 2012-08-12 to 2012-09-06 (NCEI Accession 0169625)
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        abstract:  This CTD data set, consisting of 70 casts, was collected in the Chukchi Sea ice cruise AQ12-01 from the fishing vessel Aquila (August 12 - September 6, 2012). The cruise was funded by DOI Bureau of Ocean Energy Management (BOEM) through the NOAA National Marine Mammal Laboratory. CTD operations on this cruise were managed by EcoFOCI personnel from NOAA/PMEL. Profile data from CTD instruments were processed at NOAA/PMEL/EcoFOCI using standard techniques. Data from bottle samples include phosphate, silicate, nitrate, nitrite, ammonium, and chlorophyll. Discrete chlorophyll (bottle sample) data are submitted separately through NOAA/AFSC, Jeffrey M. Napp. Data files are on a 1-meter grid and combine both averaged CTD profile data, and nutrient bottle samples where missing data are listed as 1e+35. CTD data contact: Phyllis Stabeno, Peggy Sullivan. Nutrient bottle data contact: Calvin Mordy. Data are in CSV format.
        purpose:  This study was initiated and supported by the U.S. Department of Interior, Bureau of Ocean Energy Management (BOEM), Alaska Outer Continental Shelf Region, Anchorage, Alaska, through an Interagency Agreement between BOEM and the National Marine Mammal Laboratory (M09PG00016), as part of the BOEM Alaska Environmental Studies Program, entitled “Chukchi Offshore Monitoring in Drilling Area (COMIDA): Factors Affecting the Distribution and Relative Abundance of Endangered Whales."
        credit:  Related Funding Agency: US DOC; NOAA; NMFS; Alaska Fisheries Science Center; National Marine Mammal Laboratory
        credit:  Related Funding Agency: US DOI; Bureau of Ocean Energy Management
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              Anchor:  https://gcmd.earthdata.nasa.gov/kms/concept/64d17528-29b4-4e2e-843a-7f7035bb5717 EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > AMMONIA
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              Anchor:  https://gcmd.earthdata.nasa.gov/kms/concept/7989eae1-8ea3-4039-af0c-9130de145449 EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CHLOROPHYLL
            keyword:
              Anchor:  https://gcmd.earthdata.nasa.gov/kms/concept/4fde380a-38c5-4d46-bc80-4f2515a43983 EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > NITRATE
            keyword:
              Anchor:  https://gcmd.earthdata.nasa.gov/kms/concept/941410da-0b7f-4ec6-a718-212194ced13f EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > NITRITE
            keyword:
              Anchor:  https://gcmd.earthdata.nasa.gov/kms/concept/90aa8838-79bd-4b28-b518-8217e863c385 EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > OXYGEN
            keyword:
              Anchor:  https://gcmd.earthdata.nasa.gov/kms/concept/0b513d8c-bfd3-44ee-976e-42757b8375a2 EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PHOSPHATE
            keyword:
              Anchor:  https://gcmd.earthdata.nasa.gov/kms/concept/b7410899-350a-4443-9430-c7fe1fa3a499 EARTH SCIENCE > OCEANS > OCEAN OPTICS > PHOTOSYNTHETICALLY ACTIVE RADIATION
            keyword:
              Anchor:  https://gcmd.earthdata.nasa.gov/kms/concept/46206e8c-8def-406f-9e62-da4e74633a58 EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE
            keyword:
              Anchor:  https://gcmd.earthdata.nasa.gov/kms/concept/007ab607-2ee1-484d-85fb-0bfb89f18c9b EARTH SCIENCE > OCEANS > SALINITY/DENSITY > DENSITY
            keyword:
              Anchor:  https://gcmd.earthdata.nasa.gov/kms/concept/7e95b5fc-1d58-431a-af36-948b29fa870d EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY
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                title:  Global Change Master Directory (GCMD) Science Keywords
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                    date:  2023
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                            name:  GCMD Keyword Forum Page
                            description:  Global Change Master Directory (GCMD). 2023. GCMD Keywords, Version 17. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords
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              Anchor:  https://gcmd.earthdata.nasa.gov/kms/concept/01cc0beb-7c9a-40ed-ad86-0661b41aee53 CTD > Conductivity, Temperature, Depth
            keyword:
              Anchor:  https://gcmd.earthdata.nasa.gov/kms/concept/e904c3c7-0111-4d09-bb01-2b7bea9b4d3f FLUOROMETERS > FLUOROMETERS
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                title:  Global Change Master Directory (GCMD) Instrument Keywords
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                    date:  2023
                    dateType:  (CI_DateTypeCode) revision
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                            linkage: https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords
                            protocol:  HTTPS
                            name:  GCMD Keyword Forum Page
                            description:  Global Change Master Directory (GCMD). 2023. GCMD Keywords, Version 17. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords
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              Anchor:  https://gcmd.earthdata.nasa.gov/kms/concept/1bb21d0f-bf48-42b5-8e09-cc0d58407e4a Ships
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                title:  Global Change Master Directory (GCMD) Platform Keywords
                date:  (CI_Date)
                    date:  2023
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                            description:  Global Change Master Directory (GCMD). 2023. GCMD Keywords, Version 17. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords
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            keyword:
              Anchor:  https://vocab.ices.dk/services/pox/GetCodeDetail/SHIPC/33Z6 AQUILA (call sign: WCS6941, ICES code: 33Z6, 2004)
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            keyword:
              Anchor:  https://gcmd.earthdata.nasa.gov/kms/concept/7e35ea67-a0c9-49fa-97de-e5f8f5b9ee6d OCEAN > ARCTIC OCEAN > CHUKCHI SEA
            keyword:
              Anchor:  https://gcmd.earthdata.nasa.gov/kms/concept/d85ae1ed-4b5f-440d-aaf0-7f9d605fec3b OCEAN > PACIFIC OCEAN > NORTH PACIFIC OCEAN > BERING SEA
            type:  (MD_KeywordTypeCode) place
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                title:  Global Change Master Directory (GCMD) Location Keywords
                date:  (CI_Date)
                    date:  2023
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                edition:  17
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                            protocol:  HTTPS
                            name:  GCMD Keyword Forum Page
                            description:  Global Change Master Directory (GCMD). 2023. GCMD Keywords, Version 17. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords
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            otherConstraints:  Cite as: Berchok, Catherine L.; Stabeno, Phyllis J.; Crance, Jessica L.; Napp, Jeff M.; University of Washington, Joint Institute for the study of the Atmosphere and Ocean; NOAA Pacific Marine Environmental Laboratory; NOAA Alaska Fisheries Science Center (2018). Water temperature, salinity and other data from CTD profiles and discrete nutrient bottle samples from the fishing vessel Aquila (cruise aq12-01) in the Chukchi and Bering Seas for the Ecosystems and Fisheries-Oceanography Coordinated Investigations (EcoFOCI) Project from 2012-08-12 to 2012-09-06 (NCEI Accession 0169625). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0169625. Accessed [date].
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                    beginPosition:  2012-08-12
                    endPosition:  2012-09-06
        supplementalInformation:  Submission Package ID: D4K87F
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                  Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/institution/details/1730 NOAA National Centers for Environmental Information
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                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.
                orderingInstructions:  Contact NCEI for other distribution options and instructions.
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                    linkage: https://www.ncei.noaa.gov/archive/accession/oas/169625
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                    linkage: ftp://ftp-oceans.ncei.noaa.gov/nodc/archive/arc0117/0169625/
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                description:  NCEI Accession 0169625 v1.1 was published.
                dateTime:
                  DateTime:  2018-02-23T17:09:18Z
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                        title:  NCEI Accession 0169625 v1.1
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                                    name:  NCEI Accession 0169625 v1.1
                                    description:  published 2018-02-23T17:09:18Z
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                description:  Parameter or Variable: WATER TEMPERATURE (measured); Units: degrees C; Observation Category: in situ; Sampling Instrument: SeaBird SBE-911plus CTD; Sampling and Analyzing Method: At each CTD location, the rosette was lowered to 10 meters to equilibrate, brought to surface, then deployed to a close-to-bottom depth, at a rate of ~30m/minute, and ~50m/minute below ~150 meters depth. Profiles were collected on the downcast using dual SeaBird temperature sensors calibrated to ITS-90 temperature.; Data Quality Method: Data were processed and calibrations applied using SeaBird Seasoft software and pre- and post-cruise calibration data. Post-processing at PMEL included filtering extreme outliers and extrapolation of top 3-10 meters to the surface. Each cast was visually reviewed for reasonableness, density inversions (greater than 0.02 sigma-t) caused by spurious measurements, and comparison of dual temperature and conductivity sensor data. Profile data were bin-averaged to 1 meter..
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: SALINITY (measured); Units: psu; Observation Category: in situ; Sampling Instrument: SeaBird SBE-911plus CTD; Sampling and Analyzing Method: At each CTD location, the rosette was lowered to 10 meters to equilibrate, brought to surface, then deployed to a close-to-bottom depth, at a rate of ~30m/minute, and ~50m/minute below ~150 meters depth. Profiles were collected on the downcast using dual Seabird conductivity probes. Bottle salt samples were collected every second or third cast for calibration. Salinity was calculated (PSS-78), from conductivity and temperature (ITS90).; Data Quality Method: Data were processed and calibrations applied using SeaBird Seasoft software and pre- and post-cruise calibration data. Post-processing at PMEL included filtering extreme outliers and extrapolation of top 3-10 meters to the surface. Each cast was visually reviewed for reasonableness, density inversions (greater than 0.02 sigma-t) caused by spurious measurements, and comparison of dual sensor data. Profile data were bin-averaged to 1 meter..
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: SIGMA-T (calculated); Units: kg/m^3; Observation Category: in situ; Sampling Instrument: SeaBird SBE-911plus CTD; Sampling and Analyzing Method: Sigma-T was calculated from primary salinity and temperature data using SeaBird Seasoft processing software.; Data Quality Method: See descriptions for temperature and salinity data. Post-processing at PMEL included filtering extreme outliers and extrapolation of top 3-10 meters to the surface. Each cast was visually reviewed for reasonableness, density inversions (greater than 0.02 sigma-t) caused by spurious measurements, and comparison of dual temperature and salinity (from conductivity sensor) data. Profile data were bin-averaged to 1 meter..
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: DISSOLVED OXYGEN CONCENTRATION (measured); Units: micromole/kilogram; Observation Category: in situ; Sampling Instrument: SeaBird SBE43 Dissolved Oxygen Sensor; Sampling and Analyzing Method: Data were collected via CTD. At each CTD location, the rosette was lowered to 10 meters to equilibrate, brought to surface, then deployed to a close-to-bottom depth, at a rate of ~30m/minute, and ~50m/minute below ~150 meters depth. Profiles were collected on the downcast using SeaBird SBE43 Dissolved Oxygen sensors. Water bottles were fired at desired depths on the upcast. Once on board, water samples were taken from Niskin bottles for oxygen sensor calibration.; Data Quality Method: Data were processed and calibrations applied using SeaBird Seasoft software. Post-processing at PMEL includes filtering extreme outliers and extrapolation of top 3-10 meters to the surface. Each cast was visually reviewed for reasonableness, spurious measurements, and comparison of dual oxygen sensors. Profile data were bin-averaged to 1 meter..
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PHOTOSYNTHETIC ACTIVE RADIATION (PAR) (measured); Units: microEinsteins/M^2 S; Observation Category: in situ; Sampling Instrument: Biospherical Licor Chelsea Sensor; Sampling and Analyzing Method: Data were collected via CTD platform using a SeaBird 911plus and attached Biospherical Licor Chelsea sensor. At each CTD location, the rosette was lowered to 10 meters to equilibrate, brought to surface, then deployed to a close-to-bottom depth, at a rate of ~30m/minute, and ~50m/minute below ~150 meters depth. Water bottles were fired at desired depths on the upcast. PAR data are from CTD downcast.; Data Quality Method: Data were processed and calibrations applied using SeaBird Seasoft CTD software. Post-processing at PMEL included filtering extreme outliers and extrapolation of top 3-10 meters to the surface. Each cast was visually reviewed for reasonableness and spurious measurements. Profile data were bin-averaged to 1 meter..
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: CHLOROPHYLL A CONCENTRATION (measured); Units: micrograms/liter; Observation Category: in situ; Sampling Instrument: WETLabs WETStar Fluorometer; Sampling and Analyzing Method: Data were collected via CTD platform using a SeaBird 911plus with attached fluorometer. At each CTD location, the rosette was lowered to 10 meters to equilibrate, brought to surface, then deployed to a close-to-bottom depth, at a rate of ~30m/minute, and ~50m/minute below ~150 meters depth. Fluorometer chlorophyll data calculated from raw fluorometer voltages using SeaBird software.; Data Quality Method: Data were processed and calibrations applied using SeaBird Seasoft CTD software. Post-processing at PMEL included filtering extreme outliers and extrapolation of top 3-10 meters to the surface. Each cast was visually reviewed for reasonableness and spurious measurements. Profile data were bin-averaged to 1 meter..
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Oxygen Saturation, Percent (calculated); Units: %; Observation Category: in situ; Sampling Instrument: SeaBird SBE43 Dissolved Oxygen Sensor; Sampling and Analyzing Method: Oxygen Percent Concentration was calculated from Dissolved Oxygen Concentration Data collected via CTD. See description for Dissolved Oxygen Concentration.; Data Quality Method: Oxygen saturation data were calculated from SeaBird Seasoft software during CTD data processing. Post-processing at PMEL included filtering extreme outliers and extrapolation of top 3-10 meters to the surface. Each cast was visually reviewed for reasonableness, spurious measurements, and comparison of dual oxygen sensors. Profile data were bin-averaged to 1 meter..
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: phosphate concentration (measured); Units: micromoles/kg; Observation Category: in situ; Sampling Instrument: SeaBird SBE-911plus CTD; Sampling and Analyzing Method: Data were collected via CTD platform using a SeaBird 911plus (Seasave software, version 7.20c). At each CTD location, the rosette was lowered to 10 meters to equilibrate, brought to surface, then deployed to a close-to-bottom depth, at ~30m/minute down to 150 m (on average) and ~50m/minute below that. Water bottles were fired at desired depths on the upcast. Ascent was at the same or faster rate. Once on board, these water samples were taken from Niskin bottles.; Data Quality Method: Nutrient samples were analyzed according to the methods of Gordon, et al. Samples were collected in 50 ml high-density polyethylene bottles that were rinsed first with 10% HCl prior to each station, and rinsed at least three times with sample before filling. Some samples were refrigerated for 3-12 hours prior to analysis, and some frozen for later analysis. Reference: Gordon, L.I., Jennings, J.C., Jr., Ros, A.A. and Krest, J.M., 1993. A suggested protocol for continuous flow automated analysis of seawater nutrients (Phosphate, nitrate, nitrite and silicic acid) in the WOCE Hydrographic Program and the Joint Global Ocean fluxes Study. WOCE Operations Manual, Part 3.1.3 "WHP Operations and Methods" (WOCE Hydrographic Program Office, Methods Manual 91-1) Bundesamt für Seeschiffahrt und Hydrographie, Postfach 30 12 20, 2000 Hamburg 36 Germany. http://chemoc.coas.oregonstate.edu:16080/~lgordon/cfamanual/whpmanual.pdf.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: silicic acid (measured); Units: micromoles/kg; Observation Category: in situ; Sampling Instrument: SeaBird SBE-911plus CTD; Sampling and Analyzing Method: Data were collected via CTD platform using a SeaBird 911plus (Seasave software, version 7.20c). At each CTD location, the rosette was lowered to 10 meters to equilibrate, brought to surface, then deployed to a close-to-bottom depth, at ~30m/minute down to 150 m (on average) and ~50m/minute below that. Water bottles were fired at desired depths on the upcast. Ascent was at the same or faster rate. Once on board, these water samples were taken from Niskin bottles.; Data Quality Method: Nutrient samples were analyzed according to the methods of Gordon, et al. Samples were collected in 50 ml high-density polyethylene bottles that were rinsed first with 10% HCl prior to each station, and rinsed at least three times with sample before filling. Some samples were refrigerated for 3-12 hours prior to analysis, and some frozen for later analysis. Reference: Gordon, L.I., Jennings, J.C., Jr., Ros, A.A. and Krest, J.M., 1993. A suggested protocol for continuous flow automated analysis of seawater nutrients (Phosphate, nitrate, nitrite and silicic acid) in the WOCE Hydrographic Program and the Joint Global Ocean fluxes Study. WOCE Operations Manual, Part 3.1.3 "WHP Operations and Methods" (WOCE Hydrographic Program Office, Methods Manual 91-1) Bundesamt für Seeschiffahrt und Hydrographie, Postfach 30 12 20, 2000 Hamburg 36 Germany. http://chemoc.coas.oregonstate.edu:16080/~lgordon/cfamanual/whpmanual.pdf.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: nitrate concentration (measured); Units: micromoles/kg; Observation Category: in situ; Sampling Instrument: SeaBird SBE-911plus CTD; Sampling and Analyzing Method: Data were collected via CTD platform using a SeaBird 911plus (Seasave software, version 7.20c). At each CTD location, the rosette was lowered to 10 meters to equilibrate, brought to surface, then deployed to a close-to-bottom depth, at ~30m/minute down to 150 m (on average) and ~50m/minute below that. Water bottles were fired at desired depths on the upcast. Ascent was at the same or faster rate. Once on board, these water samples were taken from Niskin bottles.; Data Quality Method: Nutrient samples were analyzed according to the methods of Gordon, et al. Samples were collected in 50 ml high-density polyethylene bottles that were rinsed first with 10% HCl prior to each station, and rinsed at least three times with sample before filling. Some samples were refrigerated for 3-12 hours prior to analysis, and some frozen for later analysis. Reference: Gordon, L.I., Jennings, J.C., Jr., Ros, A.A. and Krest, J.M., 1993. A suggested protocol for continuous flow automated analysis of seawater nutrients (Phosphate, nitrate, nitrite and silicic acid) in the WOCE Hydrographic Program and the Joint Global Ocean fluxes Study. WOCE Operations Manual, Part 3.1.3 "WHP Operations and Methods" (WOCE Hydrographic Program Office, Methods Manual 91-1) Bundesamt für Seeschiffahrt und Hydrographie, Postfach 30 12 20, 2000 Hamburg 36 Germany. http://chemoc.coas.oregonstate.edu:16080/~lgordon/cfamanual/whpmanual.pdf.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Nitrite concentration (measured); Units: micromoles/kg; Observation Category: in situ; Sampling Instrument: SeaBird SBE-911plus CTD; Sampling and Analyzing Method: Data were collected via CTD platform using a SeaBird 911plus (Seasave software, version 7.20c). At each CTD location, the rosette was lowered to 10 meters to equilibrate, brought to surface, then deployed to a close-to-bottom depth, at ~30m/minute down to 150 m (on average) and ~50m/minute below that. Water bottles were fired at desired depths on the upcast. Ascent was at the same or faster rate. Once on board, these water samples were taken from Niskin bottles.; Data Quality Method: Nutrient samples were analyzed according to the methods of Gordon, et al. Samples were collected in 50 ml high-density polyethylene bottles that were rinsed first with 10% HCl prior to each station, and rinsed at least three times with sample before filling. Some samples were refrigerated for 3-12 hours prior to analysis, and some frozen for later analysis. Reference: Gordon, L.I., Jennings, J.C., Jr., Ros, A.A. and Krest, J.M., 1993. A suggested protocol for continuous flow automated analysis of seawater nutrients (Phosphate, nitrate, nitrite and silicic acid) in the WOCE Hydrographic Program and the Joint Global Ocean fluxes Study. WOCE Operations Manual, Part 3.1.3 "WHP Operations and Methods" (WOCE Hydrographic Program Office, Methods Manual 91-1) Bundesamt für Seeschiffahrt und Hydrographie, Postfach 30 12 20, 2000 Hamburg 36 Germany. http://chemoc.coas.oregonstate.edu:16080/~lgordon/cfamanual/whpmanual.pdf.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Ammonium concentration (measured); Units: micromoles/kg; Observation Category: in situ; Sampling Instrument: SeaBird SBE-911plus CTD; Sampling and Analyzing Method: Data were collected via CTD platform using a SeaBird 911plus (Seasave software, version 7.20c). At each CTD location, the rosette was lowered to 10 meters to equilibrate, brought to surface, then deployed to a close-to-bottom depth, at ~30m/minute down to 150 m (on average) and ~50m/minute below that. Water bottles were fired at desired depths on the upcast. Ascent was at the same or faster rate. Once on board, these water samples were taken from Niskin bottles.; Data Quality Method: Nutrient samples were analyzed according to the methods of Gordon, et al. Samples were collected in 50 ml high-density polyethylene bottles that were rinsed first with 10% HCl prior to each station, and rinsed at least three times with sample before filling. Some samples were refrigerated for 3-12 hours prior to analysis, and some frozen for later analysis. Reference: Gordon, L.I., Jennings, J.C., Jr., Ros, A.A. and Krest, J.M., 1993. A suggested protocol for continuous flow automated analysis of seawater nutrients (Phosphate, nitrate, nitrite and silicic acid) in the WOCE Hydrographic Program and the Joint Global Ocean fluxes Study. WOCE Operations Manual, Part 3.1.3 "WHP Operations and Methods" (WOCE Hydrographic Program Office, Methods Manual 91-1) Bundesamt für Seeschiffahrt und Hydrographie, Postfach 30 12 20, 2000 Hamburg 36 Germany. http://chemoc.coas.oregonstate.edu:16080/~lgordon/cfamanual/whpmanual.pdf.
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    metadataMaintenance:  (MD_MaintenanceInformation)
        maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) asNeeded
        maintenanceNote:  Metadata are developed, maintained and distributed by NCEI. Updates are performed as needed to maintain currentness.
        contact:  (CI_ResponsibleParty)
            organisationName:  NOAA National Centers for Environmental Information
            role:  (CI_RoleCode) custodian
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    acquisitionInformation:  (MI_AcquisitionInformation)
        instrument:  (MI_Instrument)
            identifier:  (MD_Identifier)
                code:  CTD
            type:  CTD
            description:  Conductivity-Temperature-Depth probe
        instrument:  (MI_Instrument)
            identifier:  (MD_Identifier)
                code:  fluorometer
            type:  fluorometer
            description:  fluorometer
        platform:  (MI_Platform)
            identifier:  (MD_Identifier)
                code:  Aquila
            description:  Updated information from ICES for the vessel AQUILA from US: UNITED STATES. Name : AQUILA Country(s) : US: UNITED STATES (ISO Country Code) Platform Class : 36: Fishing vessel Call Sign : WCS6941 MMSI: 367494000 IMO : 7127704 Commissioned Date : 2004-05 Current Length : 50 Built : 1971 Previous Name (Notes): ILLUSION WOD Code: 11544 Notes : Built as a platform supply vessel BESSIE CANDIES, converted to a trawler in 1991 as NORPOL PRODUCER, became ILLUSION in 1994, became AQUILA in 2004 Information Sources: - https://www.marinetraffic.com/en/ais/details/ships/shipid:447542/mmsi:367494000/imo:7127704/vessel:AQUILA - http://www.shipspotting.com/gallery/photo.php?lid=1501501 - http://www.shipspotting.com/gallery/photo.php?lid=2728304 - https://www.st.nmfs.noaa.gov/pls/webpls/cgv_pkg.vessel_id_list?vessel_id_in=536823 General Comments: Confirmed in Miramar Not in ITU with this call sign Confirmed by NOAA on 2018-08-31 (FY2018). Submitted to ICES 2018-02-13
            instrument: (missing)