Partial pressure of carbon dioxide, temperature, salinity and other variables collected from surface underway observations using carbon dioxide (CO2) gas analyzer, shower head chamber equilibrator for autonomous CO2 measurement and other instruments during R/V Ryofu Maru III cruises in the Pacific Ocean in 2018 (NCEI Accession 0210524)
INVESTIGATOR:
Koji Kadono
- Japan Meteorological Agency; Marine Division
PACKAGE DESCRIPTION: This dataset includes surface underway data collected from R/V Ryofu Maru III cruises in the Pacific Ocean from 2018-01-11 to 2018-12-22. These data include partial pressure of carbon dioxide in the water, barometric pressure, sea surface salinity and sea surface temperature. The instruments used to collect these data include carbon dioxide (CO2) gas analyzer, shower head chamber equilibrator for autonomous carbon dioxide (CO2) measurement.
CITE AS: Kadono, Koji (2020). Partial pressure of carbon dioxide, temperature, salinity and other variables collected from surface underway observations using carbon dioxide (CO2) gas analyzer, shower head chamber equilibrator for autonomous CO2 measurement and other instruments during R/V Ryofu Maru III cruises in the Pacific Ocean in 2018 (NCEI Accession 0210524). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/hyyg-wk17. Accessed [date].
IDENTIFICATION INFORMATION FOR THIS DATA PACKAGE:
NCEI ACCESSION: 0210524
NCEI DOI: https://doi.org/10.25921/hyyg-wk17
EXPOCODE: 49UP20180111;
49UP20180302;
49UP20180501;
49UP20180614;
49UP20180806;
49UP20181122;
49UP20181206;
CRUISE ID: RF1801;
RF1802;
RF1804;
RF1805;
RF1806;
RF1808;
RF1809;
SECTION/LEG: SOOP;
TYPES OF STUDY:
Surface measurement;Surface underway;
TEMPORAL COVERAGE:
SPATIAL COVERAGE:
GEOGRAPHIC NAMES:
PLATFORMS:
RESEARCH PROJECT(S):
Surface measurement;Surface underway;
TEMPORAL COVERAGE:
START DATE: 2018-01-11
END DATE: 2018-12-22
SPATIAL COVERAGE:
NORTH: 50.1
WEST: 127.96
EAST: 165.5
SOUTH: -8.8
GEOGRAPHIC NAMES:
North Pacific Ocean;South Pacific Ocean;
PLATFORMS:
R/V Ryofu Maru III (ID: 49UP);
RESEARCH PROJECT(S):
Ship Of Opportunity Program (SOOP);
VARIABLES / PARAMETERS:
| pCO2 (fCO2) autonomous | |
|---|---|
| Abbreviation: | xCO2eq |
| Unit: | uatm |
| Observation type: | Surface underway |
| Measured or calculated: | Measured |
| Sampling instrument: | Seawater pump |
| Location of seawater intake: | Port sea-chest at the center in the longitudinal direction of a hull |
| Analyzing instrument: | Infra-red analysis on dry gas |
| Detailed sampling and analyzing information: | Infrared analysis of headspace in equilibrium with flowing seawater |
| Equilibrator type: | two stage showerhead |
| Equilibrator volume: | 0.85 (air), 6.5 (seawater) |
| Is the equilibrator vented or not: | Vented |
| Water flow rate: | 3 L/min |
| Gas flow rate: | 500 mL/min |
| Drying method for gas: | Thermoelectric cooling units followed by permeable membrane dryer and magnessium perchlorate tube |
| SEA CO2 gas detector manufacturer: | Licor, Inc |
| SEA CO2 gas detector model: | Licor 7000 |
| SEA CO2 gas detector uncertainty: | 0.219 micro mol/mol |
| Standardization frequency: | Frequency: Every 1 hour, Scale: WMO X2007 scale |
| Standard gas manufacturer: | Japan Fine Products Co., Ltd. (Japan) |
| Standard gas concentration: | 4 cylinders: 280, 350, 410 and 470 micro mol/mol |
| At what temperature was pCO2 reported: | In situ sea surface temperature |
| Uncertainty: | 0.01C |
| Quality flag convention: | WOCE quality control flags are used: 2 = good value, 3 = questionable value, 4 = bad value |
| Method reference: | Hirota, M., Nemoto, K., Murata, A., and Fushimi, K. 1991. Observation of carbon dioxide in air and surface seawater in the western North Pacific Ocean. Oceanogr. Mag., 41, 19-28. |
| Researcher name: | Koji Kadono |
| Researcher institution: | Japan Meteorological Agency |
| Sea Surface Temperature | |
|---|---|
| Abbreviation: | SST_C |
| Unit: | degrees celcius |
| Observation type: | Surface Underway |
| Sampling instrument: | The seachest located ca.5 m below the sea level |
| Analyzing instrument: | Sea-Bird Electronics, Inc. Model SBE-38 |
| Detailed sampling and analyzing information: | NIST-traceable calibration applying over the entire range. |
| Uncertainty: | Resolution: 0.0001 DEG_C; Uncertainty (Accuracy/Precision): 0.001 DEG_C |
| Quality flag convention: | WOCE quality control flags are used: 2 = good value, 3 = questionable value, 4 = bad value |
| Researcher name: | Koji Kadono |
| Researcher institution: | Japan Meteorological Agency |
| Sea Surface Salinity | |
|---|---|
| Abbreviation: | SSS |
| Observation type: | Surface Underway |
| Sampling instrument: | The seachest located ca.5 m below the sea level |
| Analyzing instrument: | Sea-Bird Electronics, Inc. (Sea Surface Salinity Sensor) |
| Detailed sampling and analyzing information: | NIST-traceable calibration applying over the entire range. Last calibrated on 2017/07/12at Sea-Bird Electronics, Inc. Calibrated with salinity measurements at ship using standard weawater provided by Ocean Scientific International Ltd. |
| Uncertainty: | Resolution: 0.0001 mS/cm; Uncertainty (Accuracy/Precision): 0.003 mS/cm |
| Quality flag convention: | WOCE quality control flags are used: 2 = good value, 3 = questionable value, 4 = bad value |
| Researcher name: | Koji Kadono |
| Researcher institution: | Japan Meteorological Agency |
| Atmospheric pressure at sea-surface pressure | |
|---|---|
| Abbreviation: | AtmPrs |
| Unit: | hPa |
| Observation type: | Surface Underway |
| Analyzing instrument: | Vaisala (Atmospheric Pressure Sensor), Model: BAROCAP(r) Digital Barometer PTB220 |
| Uncertainty: | Resolution: 0.01 hPa; Uncertainty (Accuracy/Precision): 0.15 hPa |
| Researcher name: | Koji Kadono |
| Researcher institution: | Japan Meteorological Agency |
PUBLICATIONS DESCRIBING THIS DATASET:
Hirota, M., Nemoto, K., Murata, A., and Fushimi, K. 1991. Observation of carbon dioxide in air and surface seawater in the western North Pacific Ocean. Oceanogr. Mag., 41, 19-28.
ADDITIONAL INFORMATION:
none;
FUNDING AGENCY:
Japan Meteorological Agency
PROJECT TITLE:
Observation for Monitoring Background Marine Pollution
PROJECT ID:
SUBMITTED BY: Koji Kadono (seadata@climar.kishou.go.jp)
SUBMISSION DATE: 2019-06-06
