From ec2899d5b3098bbe68983982aad12b9786e64e36 Mon Sep 17 00:00:00 2001 From: Jake Beaulieu Date: Wed, 4 Oct 2017 15:41:57 -0400 Subject: [PATCH] Formatting changes to README.Rmd. See Issue #3. --- neonDissGas/README.Rmd | 24 ++++++++++++------------ neonDissGas/README.md | 26 +++++++++++++------------- 2 files changed, 25 insertions(+), 25 deletions(-) diff --git a/neonDissGas/README.Rmd b/neonDissGas/README.Rmd index 3b94657..51d01d2 100644 --- a/neonDissGas/README.Rmd +++ b/neonDissGas/README.Rmd @@ -34,25 +34,25 @@ The following applies to gasi, where gasi is equal to CH-1 mol-1 2. The dissolved gas concentration in the original water sample is calculated from a mass balance of the headspace equilibration system: - - _Cgasiwater_ is the concentration of gasi dissolved in the original water sample. + - _Cgasiwater_ is the concentration (mol L-1),of gasi dissolved in the original water sample. - _molgasiwat_ is the total moles of gasi dissolved in the original water sample. - _molgasiaireq_ is the total moles of gasi in the equilibrated headspace gas. - _molgasiwateq_ is the total moles of gasi in the equilibrated water sample. - - _molgasiair_ is the total moles of gasi in the gas used for the headspace equilibrium. If a pure gas, such as helium or nitrogen, is used as the headspace gas, then molgasiair = 0. If a mixed gas, such as ambient air, is used as the headspace gas, the term molgasiair corrects the calculation for any amount of gasi contained in the headspace gas. + - _molgasiair_ is the total moles of gasi in the gas used for the headspace equilibrium. If a pure gas, such as helium or nitrogen, is used as the headspace gas, then molgasiair = 0. If a mixed gas, such as ambient air, is used as the reference gas, the term molgasiair corrects the calculation for any amount of gasi contained in the reference gas. - _volH2O_ is the volume of the original water sample. -3. molgasiaireq is calculated from the Ideal Gas Law n = PV⁄RT. In htis equation, P = partial pressure of gasi adn T is the temperature of the headspace equilibration system (assumed to be equal to water temperature). - - _ppmvgasiaireq_ is the measured mixing ratio of gasi in the equilibrated headspace gas. +3. molgasiaireq is calculated from the Ideal Gas Law n = PV⁄RT. In this equation, P = partial pressure of gasi and T is the temperature of the headspace equilibration system (assumed to be equal to the temperature of the water body). + - _ppmvgasiaireq_ is the measured mixing ratio of gasi in the equilibrated headspace gas. - _BP_ is the barometric pressure (kPa). - - _volair_ is the volume of air used in the headspace equilibrium (mL). - - _T_ is the temperature of the headspace system (assumed to be equal to water temperature; K). - - _10-6_ is a constant used to convert ppmv to parts. + - _volair_ is the volume of reference gas used in the headspace equilibrium (mL). + - _T_ is the temperature of the headspace system (assumed to be equal to the temperature of the water body; K). + - _10-6_ is a constant used to convert ppmv to a unitless mole fraction. 4. molgasiair is calculated from the Ideal Gas Law, as above: - - _ppmvgasiair_ is the measured mixing ratio of gasi in the pure headspace gas (i.e., before micing with teh water sample). -5. molgasiwateq is calculated from Henry's Law and the colume of water used int he headspace equilibration. Henry's Law states that the concentration of gasi dissolved in a water sample is equal to the product of the partial pressure of gasi in the overlyiung atmosphere (i.e., the headspace gas) and the Henry's Law Solubility Constant for gasi at the temperature of the water, H(T). - - _10-6_ is a constant used to convert ppmv to parts. - - _H(T)_ is optained from the compilation of Sander (2015), see below. + - _ppmvgasiair_ is the measured mixing ratio of gasi in the pure reference gas (i.e., before mixing with the water sample). +5. molgasiwateq is calculated from Henry's Law and the volume of water used in the headspace equilibration. Henry's Law states that the concentration of gasi dissolved in a water sample is equal to the product of the partial pressure of gasi in the overlying atmosphere (i.e., the headspace gas) and the Henry's Law Solubility Constant for gasi at the temperature of the water (H(T)). + - _10-6_ is a constant used to convert ppmv to a unitless mole fraction. + - _H(T)_ is obtained from the compilation of Sander (2015), see below. -6. Sander (2015) provides a compilation of Henry's Law Solubility Constants standardized to 298.15 K. This standardized Henry's Law Solubility COnstant (HΘ) can be converted to the temperature of the headspace equilibration H(T) following: +6. Sander (2015) provides a compilation of Henry's Law Solubility Constants standardized to 298.15 K. This standardized Henry's Law Solubility Constant (HΘ) can be converted to the temperature of the headspace equilibration H(T) following: - _TΘ_ is equal to 298.15 K. - is equal to the constant provided in column in Table 6 of Sander (2015). This constant is equal to 2400 K, 1900 K, and 2700 K for CO2, CH4, and N2O, respectively. diff --git a/neonDissGas/README.md b/neonDissGas/README.md index ae26c53..d6ceb59 100644 --- a/neonDissGas/README.md +++ b/neonDissGas/README.md @@ -3,7 +3,7 @@ NEON Dissolved Gas -This package is for calculating dissolved gas concentrations in surfac water samples from reference air and water equilibrated gas samples. +This package is for calculating dissolved gas concentrations in surface water samples from reference air and water equilibrated gas samples. Usage @@ -25,28 +25,28 @@ The following applies to gasi, where gasi is equal to CH-1 mol-1 2. The dissolved gas concentration in the original water sample is calculated from a mass balance of the headspace equilibration system: - - *Cgasiwater* is the concentration of gasi dissolved in the original water sample. + - *Cgasiwater* is the concentration (mol L-1),of gasi dissolved in the original water sample. - *molgasiwat* is the total moles of gasi dissolved in the original water sample. - *molgasiaireq* is the total moles of gasi in the equilibrated headspace gas. - *molgasiwateq* is the total moles of gasi in the equilibrated water sample. - - *molgasiair* is the total moles of gasi in the gas used for the headspace equilibrium. If a pure gas, such as helium or nitrogen, is used as the headspace gas, then molgasiair = 0. If a mixed gas, such as ambient air, is used as the headspace gas, the term molgasiair corrects the calculation for any amount of gasi contained in the headspace gas. + - *molgasiair* is the total moles of gasi in the gas used for the headspace equilibrium. If a pure gas, such as helium or nitrogen, is used as the headspace gas, then molgasiair = 0. If a mixed gas, such as ambient air, is used as the reference gas, the term molgasiair corrects the calculation for any amount of gasi contained in the reference gas. - *volH2O* is the volume of the original water sample. -3. molgasiaireq is calculated from the Ideal Gas Law n = PV⁄RT. In htis equation, P = partial pressure of gasi adn T is the temperature of the headspace equilibration system (assumed to be equal to water temperature). - - *ppmvgasiaireq* is the measured mixing ratio of gasi in the equilibrated headspace gas. +3. molgasiaireq is calculated from the Ideal Gas Law n = PV⁄RT. In this equation, P = partial pressure of gasi and T is the temperature of the headspace equilibration system (assumed to be equal to the temperature of the water body). + - *ppmvgasiaireq* is the measured mixing ratio of gasi in the equilibrated headspace gas. - *BP* is the barometric pressure (kPa). - - *volair* is the volume of air used in the headspace equilibrium (mL). - - *T* is the temperature of the headspace system (assumed to be equal to water temperature; K). - - *10-6* is a constant used to convert ppmv to parts. + - *volair* is the volume of reference gas used in the headspace equilibrium (mL). + - *T* is the temperature of the headspace system (assumed to be equal to the temperature of the water body; K). + - *10-6* is a constant used to convert ppmv to a unitless mole fraction. 4. molgasiair is calculated from the Ideal Gas Law, as above: - - *ppmvgasiair* is the measured mixing ratio of gasi in the pure headspace gas (i.e., before micing with teh water sample). + - *ppmvgasiair* is the measured mixing ratio of gasi in the pure reference gas (i.e., before mixing with the water sample). -5. molgasiwateq is calculated from Henry's Law and the colume of water used int he headspace equilibration. Henry's Law states that the concentration of gasi dissolved in a water sample is equal to the product of the partial pressure of gasi in the overlyiung atmosphere (i.e., the headspace gas) and the Henry's Law Solubility Constant for gasi at the temperature of the water, H(T). - - *10-6* is a constant used to convert ppmv to parts. - - *H(T)* is optained from the compilation of Sander (2015), see below. +5. molgasiwateq is calculated from Henry's Law and the volume of water used in the headspace equilibration. Henry's Law states that the concentration of gasi dissolved in a water sample is equal to the product of the partial pressure of gasi in the overlying atmosphere (i.e., the headspace gas) and the Henry's Law Solubility Constant for gasi at the temperature of the water (H(T)). + - *10-6* is a constant used to convert ppmv to unitless mole fraction. + - *H(T)* is obtained from the compilation of Sander (2015), see below. -6. Sander (2015) provides a compilation of Henry's Law Solubility Constants standardized to 298.15 K. This standardized Henry's Law Solubility COnstant (HΘ) can be converted to the temperature of the headspace equilibration H(T) following: +6. Sander (2015) provides a compilation of Henry's Law Solubility Constants standardized to 298.15 K. This standardized Henry's Law Solubility Constant (HΘ) can be converted to the temperature of the headspace equilibration H(T) following: - *TΘ* is equal to 298.15 K. - is equal to the constant provided in column in Table 6 of Sander (2015). This constant is equal to 2400 K, 1900 K, and 2700 K for CO2, CH4, and N2O, respectively.