Description Usage Arguments Value Author(s) References See Also Examples
Determines equilibrium dissolved oxygen concentration in water based on pressure and temperature. An estimate for barometric pressure can be generated by supplying the temperature and elevation (calculation by Barom.Press()
)
1 2 3 4 | Eq.Ox.conc(temp.C, elevation.m = NULL,
bar.press = NULL, bar.units = NULL,
out.DO.meas = "mg/L",
salinity = 0, salinity.units = "pp.thou")
|
temp.C |
Water temperature in degrees C |
elevation.m |
Elevation in meters. Default = |
bar.press |
Barometric pressure. Default = |
bar.units |
Units of barometric pressure for value supplied in bar.press. Must be |
out.DO.meas |
Units of dissolved oxygen concentration |
salinity |
Salinity, either reported in parts per thousand ( |
salinity.units |
Salinity units, must be |
Returns object of class numberic of full equilibrium dissolved oxygen concentration.
Tyler L. Moulton
Benson, B.B., and Daniel Krause, Jr (1980). The concentration and isotopic fractionation of gases dissolved in freshwater in equilibrium with the atmosphere. 1. Oxygen: Limnology and Oceanography, vol. 25, no. 4, p. 662-671. doi: 10.4319/lo.1980.25.4.0662.
Gnaiger, Erich, and Hellmuth Forstner, eds. Polarographic oxygen sensors: Aquatic and physiological applications. Springer Science & Business Media, 2012. doi: 10.1007/978-3-642-81863-9.
Mechtly, E. A., 1973: The International System of Units, Physical Constants and Conversion Factors. NASA SP-7012, Second Revision, National Aeronautics and Space Administration, Washington, D.C. https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19730018242.pdf.
U.S. Geological Survey (2011). Change to solubility equations for oxygen in water: Office of Water Quality Technical Memorandum 2011.03, accessed July 15, 2011, at http://water.usgs.gov/admin/memo/QW/qw11.03.pdf.
DO.saturation
DO.unit.convert
Barom.Press
1 2 3 4 5 6 7 | eqO2.1 <- Eq.Ox.conc(temp.C = 20, elevation.m = 1000)
eqO2.2 <- Eq.Ox.conc(temp.C = 20,
bar.press = 674.1, bar.units = "mmHg")
eqO2.1
eqO2.2
|
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