Identifier: knb-lter-sbc.6003.1 (in the knb Catalog System)

Data Table

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Name: >Moored SeaFET pH and carbonate chemistry at Mohawk Reef, MKO
Description: Moored SeaFET pH, plus other input and dreived output data for the seawater carbonate chemistry system at Mohawk Reef (station = MKO) from 2012-01-11 to 2015-04-08.
Number of Records: 85212
Number of Columns: 32
Table Structure:
Object Name: mohawk_moored_pH_mko_20150710.csv
Size: 20061509
Text Format:
Number of Header Lines: 1
Number of Footer Lines: 0
Record Delimiter: \n
Orientation: column
Simple Delimited:
Field Delimiter: ,
Collapse Delimiters: no
Quote Character: "
Table Column Descriptions
  Time stamp (UTC) in situ pH, Total scale in situ Temperature (C) pH Voltage, SeaFET Thermometer Voltage, SeaFET Battery Voltage (pos), SeaFET Battery Voltage (neg), SeaFET Sensor Depth Salinity (PPT) Temperature (C) when pH measured Pressure (dbars) Total P (micromole/kgSW) Total Si (micromole/kgSW) TA (micromole/kgSW) TCO2 (micromole/kgSW) pH (Total scale) fCO2 (microatm) pCO2 (microatm) HCO3 (micromol/kgSW) CO3 (micromol/kgSW) CO2 (micromol/kgSW) B Alk (micromol/kgSW) OH (micromol/kgSW) P Alk (micromol/kgSW) Si Alk (micromol/kgSW) Revelle Omega Ca Omega Ar xCO2 (dry at 1 atm) (ppm) pCO2 air Windspeed CO2 Flux (mmol/m2/d)
Column Name Time_stamp_UTC  
pH_tot_insitu  
Temperature_C_insitu  
V_ph_sensor  
V_therm_bridge  
V_batt_pos  
V_batt_neg  
sensor_depth  
Salinity  
Temperature_C  
Pressure_dbars  
Total_P  
Total_Si  
TA  
TCO2  
pH  
fCO2  
pCO2  
HCO3  
CO3  
CO2  
B_Alk  
OH  
P_Alk  
Si_Alk  
Revelle  
O_Ca  
O_Ar  
xCO2  
pCO2_air  
Windspeed  
CO2_Flux  
Definition Date and time sample was collected in ISO format (UTC) seaFET pH, Total scale (CO2calc input) Water temperature when pH was measured, measured by SeaFET (CO2calc input) SeaFET pH sensor raw voltage, internal SeaFET pH therm bridge raw voltage, internal SeaFET positive battery raw voltage, internal SeaFET negative battery raw voltage, internal Nominal depth of SeaFET sensor (deployment depth) Salinity measured with SBE37 (CO2calc input) Water temperature when pH was measured, measured by SBE37 (CO2calc input) Water pressure in dbars, for sfc, set to zero (CO2calc input) Concentration of phosphorus (CO2calc input, optional), micromol per kilogram seawater. Data that are unavailable are set to zero Concentration of silicate (CO2calc input, optional) in micromol per kilogram seawater. Data that are unavailable are set to zero Total alkalinity (CO2calc input), micromol per kilogram seawater. (CO2calc input) Total CO2, micromol per kilogram seawater. (CO2calc input) Calibrated pH, Total scale. (CO2calc input) Fugosity of CO2 in saturated air at equilibrium with water in microatmospheres (CO2calc output) Partial pressure of CO2 in seawater. Product of mole fraction of CO2 in wet air and the total pressure in microatmospheres (CO2calc output) Concentration of bicarbonate ion micromol per kilogram seawater (CO2calc output) Concentration of carbonate ion, micromol per kilogram seawater (CO2calc output) Concentraiton of CO2,; micromol per kilogram seawater (CO2calc output) Alkalinity of boron, micromol per kilogram seawater (CO2calc output) Concentration of hydroxide ions, micromol per kilogram seawater (CO2calc output) Alkalinity of phosphorus, micromol per kilogram seawater (CO2calc output) Alkalinity of silicate, micromol per kilogram seawater (CO2calc output) Homogeneous buffer factor. Percent change in fCO2 or pCO2 caused by a 1% change in total carbon at constant alkalinity; no units (CO2calc output) Omega calcite, calcite saturation state. no units (CO2calc output) Omega aragonite, aragonite saturation state. no units (CO2calc output) Mole fraction of CO2 in dry air at 1 atm, parts per million (O2calc output) Concentration of CO2 in atmospheric air; in microatmospheres (CO2 input, required for calculation of CO2 flux) Wind speed at time of sample collection; unit in column named "windspeed units" (CO2 input, required for calculation of CO2 flux) Flux of CO2 between air and sea, laboratory conditions; in millimole per square meter per day (CO2 output)
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Measurement Type dateTime ratio ratio ratio ratio ratio ratio ratio ratio ratio ratio ratio ratio ratio ratio ratio ratio ratio ratio ratio ratio ratio ratio ratio ratio ratio ratio ratio ratio ratio ratio ratio
Measurement Values Domain
Format YYYY-MM-DDThh:mm:ssZ
Precision 1 minute
Unit dimensionless
Type real
Unit celsius
Precision 0.01
Type real
Unit volt
Type real
Unit volt
Type real
Unit volt
Type real
Unit volt
Type real
Unit meter
Type real
Unit partsPerThousand
Precision 0.1
Type real
Unit celsius
Type real
Unit decibar
Type real
Unit micromolePerKilogram
Type real
Unit micromolePerKilogram
Type real
Unit micromolePerKilogram
Type real
Unit micromolePerKilogram
Type real
Unit dimensionless
Type real
Unit microatmosphere
Type real
Unit microatmosphere
Type real
Unit milliMolesPerKilogram
Type real
Unit milliMolesPerKilogram
Type real
Unit milliMolesPerKilogram
Type real
Unit milliMolesPerKilogram
Type real
Unit milliMolesPerKilogram
Type real
Unit milliMolesPerKilogram
Type real
Unit milliMolesPerKilogram
Type real
Unit dimensionless
Type real
Unit dimensionless
Type real
Unit dimensionless
Type real
Unit partsPerMillion
Type real
Unit microatmosphere
Type real
Unit dimensionless
Type real
Unit millimolePerMeterSquaredPerDay
Type real
Missing Value Code                                                                
Accuracy Report                                                                
Accuracy Assessment                                                                
Coverage                                                                
Methods