Identifier: knb-lter-sbc.75.3 (in the knb Catalog System)

Data Table

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Name: water sample pH and CO2calc output
Description: measured pH, alkalinity (or total CO2) from water samples with carbonate system parameters calculated by CO2calc for both laboratory (input) and in situ (adjusted) conditions
Number of Records: 620
Number of Columns: 55
Table Structure:
Object Name: SBCLTER_pH_water_samples_20180222.csv
Size: 314436 byte
Authentication: 50dc4b43110ded47a769bc9762cae99e Caculated By MD5
Text Format:
Number of Header Lines: 1
Record Delimiter: \n
Orientation: column
Simple Delimited:
Field Delimiter: ,
Table Column Descriptions
  Site code Time stamp (UTC) Latitude (degree) Longitude (degree) Salinity (PPT) Temperature (C) Pressure (dbars) Total P (micromole/kgSW) Total Si (micromole/kgSW) TA, measured (micromole/kgSW) TCO2 (DIC), measured (micromole/kgSW) pH, measured (see pH scale) fCO2, measured (microatm) pCO2, measured (microatm) TA, CO2calc output (micromole/kgSW) TCO2 (DIC), CO2calc output (micromole/kgSW) pH, CO2calc output (see pH scale) fCO2, CO2calc output (microatm) pCO2, CO2calc output (microatm) HCO3, CO2calc output (micromol/kgSW) CO3, CO2calc output (micromol/kgSW) CO2, CO2calc output (micromol/kgSW) B Alk, CO2calc output (micromol/kgSW) OH, CO2calc output (micromol/kgSW) P Alk, CO2calc output (micromol/kgSW) Si Alk, CO2calc output (micromol/kgSW) Revelle, CO2calc output Omega Ca, CO2calc output Omega Ar, CO2calc output xCO2, CO2calc output (dry at 1 atm) (ppm) temperature (C) adj, CO2calc output Pressure adj, CO2calc output (dbar) pH adj, CO2calc output fCO2 adj, CO2calc output (microatm) pCO2 adj, CO2calc output (microatm) HCO3 adj, CO2calc output (micromol/kgSW) CO3 adj, CO2calc output (micromol/kgSW) CO2 adj, CO2calc output (micromol/kgSW) B Alk adj, CO2calc output (micromol/kgSW) OH adjusted, CO2calc output (micromol/kgSW) P Alk adj, CO2calc output (micromol/kgSW) Si Alk adj, CO2calc output (micromol/kgSW) Revelle adj, CO2calc output Omega Ca adj, CO2calc output Omega Ar adj, CO2calc output xCO2 adj , CO2calc output (dry at 1 atm) (ppm) pCO2 air, CO2calc output Windspeed, CO2calc output CO2 Flux, CO2calc output (mmol/m2/d) CO2 Flux adj, CO2calc output (mmol/m2/d) source of CO2 constants source of KHSO4 constant pH scale (user-selected) Source of Air-Sea flux equation Windspeed Units
Column Name Site  
Time_stamp_UTC  
Latitude  
Longitude  
Salinity_CO2calc_input  
Temperature_C_CO2calc_input  
Pressure_dbar_CO2calc_input  
Total_P_CO2calc_input  
Total_Si_CO2calc_input  
TA_CO2calc_input  
TCO2_CO2calc_input  
pH_CO2calc_input  
fCO2_CO2calc_input  
pCO2_CO2calc_input  
TA_CO2calc_output  
TCO2_CO2calc_output  
pH_CO2calc_output  
fCO2_CO2calc_output  
pCO2_CO2calc_output  
HCO3_CO2calc_output  
CO3_CO2calc_output  
CO2_CO2calc_output  
B_Alk_CO2calc_output  
OH_CO2calc_output  
P_Alk_CO2calc_output  
Si_Alk_CO2calc_output  
Revelle_CO2calc_output  
O_Ca_CO2calc_output  
O_Ar_CO2calc_output  
xCO2_CO2calc_output  
Temperature_C_adj_CO2calc_output  
Pressure_dbar_adj_CO2calc_output  
pH_adj_CO2calc_output  
fCO2_adj_CO2calc_output  
pCO2_adj_CO2calc_output  
HCO3_adj_CO2calc_output  
CO3_adj_CO2calc_output  
CO2_adj_CO2calc_output  
B_Alk_adj_CO2calc_output  
OH_adj_CO2calc_output  
P_Alk_adj_CO2calc_output  
Si_Alk_adj_CO2calc_output  
Revelle_adj_CO2calc_output  
O_Ca_adj_CO2calc_output  
O_Ar_adj_CO2calc_output  
xCO2_adj_CO2calc_output  
pCO2_air_CO2calc_output  
Windspeed_CO2calc_output  
CO2_Flux_CO2calc_output  
CO2_Flux_adj_CO2calc_output  
CO2_Constants  
KHSO4  
pH_Scale  
Air_Sea_Flux  
Windspeed_units  
Definition Site code of sample Date and time sample was collected in ISO format (UTC) Latitude of site in decimal degrees Longitude of site in decimal degrees, West is negative Salinity measured with benchtop CT instrument (CO2calc input) Water temperature when pH was measured, measured with benchtop CT instrument (CO2calc input) Water pressure in decibars, for near-surface, 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 (measured), micromol per kilogram seawater (CO2calc input) Total dissolved CO2, carbonate and bicarbonate (measured). Also called dissolved inorganic carbon. micromol per kilogram seawater (CO2calc input) pH (measured), on scale given in column named pH Scale (CO2calc input) Fugosity of CO2 (measured), in saturated air at equilibrium with water in microatmospheres (CO2calc input) Partial pressure of CO2 in seawater (measured). Product of mole fraction of CO2 in wet air and the total pressure in microatmospheres (CO2calc input) Total alkalinity (calculated), micromol per kilogram seawater (CO2calc input) Total dissolved CO2, carbonate and bicarbonate (calculated). Also called dissolved inorganic carbon. micromol per kilogram seawater (CO2calc output) pH (calculated), on scale given in column named pH Scale (CO2calc output) Fugosity of CO2 (calculated), in saturated air at equilibrium with water in microatmospheres (CO2calc output) Partial pressure of CO2 in seawater (calculated). 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) Temperature of the seawater when the sample was collected (in situ); degrees Celsius (CO2calc input) Pressure of seawater when sample was collected dbars (in situ) or if sfc, set to 0 (CO2calc input) pH, calculated for in situ salinity and temperature; total scale (CO2calc output) Fugacity of CO2, in situ conditions; microatmospheres (CO2calc output) Partial pressure of CO2, in situ conditions; microatmospheres (CO2calc output) Concentration of bicarbonate ion, in situ conditions; micromol per kilogram seawater (CO2calc output) Concentration of carbonate ion, in situ conditions; micromol per kilogram seawater (CO2calc output) Concentraiton of CO2, in situ conditions; micromol per kilogram seawater (CO2calc output) Alkalinity of boron in situ conditions; micromol per kilogram seawater (CO2calc output) Concentration of hydroxide ions, in situ conditions; micromol per kilogram seawater (CO2calc output) Alkalinity of phosphorus, in situ conditions; micromol per kilogram seawater (CO2calc output) Alkalinity of silicate, in situ conditions; micromol per kilogram seawater (CO2calc output) Homogeneous buffer factor, in situ conditions; the 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, in situ conditions; no units (CO2calc output) Omega aragonite, aragonite saturation state, in situ conditions; no units (CO2calc output) Mole fraction of CO2 in dry air at 1 atm, in situ conditions; parts per million (CO2calc 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) Flux of CO2 between air and sea in situ conditions; in millimole per square meter per day (CO2 output) source dissociation constants for Carbonic acid (K1 and K2) source of dissociation constant for potassium sulfate (KHSO4) User-selected scale for pH units Gas transfer velocity equation selected Units of windspeed; either knots or meters per second
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Measurement Type nominal dateTime ratio ratio ratio ratio ratio ratio ratio ratio ratio interval ratio ratio ratio ratio interval 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 ratio ratio nominal nominal nominal nominal nominal
Measurement Values Domain
Allowed values and definitions
Format YYYY-MM-DDThh:mm:ssZ
Precision
Unit degree
Type real
Unit degree
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 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 celsius
Type real
Unit decibar
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
Unit millimolePerMeterSquaredPerDay
Type real
Allowed values and definitions
Allowed values and definitions
Allowed values and definitions
Allowed values and definitions
Allowed values and definitions
Missing Value Code              
Code 0
Expl no data, value not measured
Code 0
Expl no data, value not measured
Code -9999
Expl no data, value not measured
Code -9999
Expl no data, value not measured
Code -9999
Expl no data, value not measured
Code -9999
Expl no data, value not measured
Code -9999
Expl no data, value not measured
                                                                                 
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