|
707 | 707 | #'
|
708 | 708 | "illness"
|
709 | 709 |
|
710 |
| - |
711 | 710 | #' Reaction rates for gas-phase atmospheric reactions of organic compounds
|
712 | 711 | #'
|
713 | 712 | #' @description
|
|
723 | 722 | #' chlorine (Cl) atoms.
|
724 | 723 | #'
|
725 | 724 | #' This compilation of rate constant (*k*) data as contains the values for rate
|
726 |
| -#' constants at 298 K (in units of cm^3 molecules^–1 s^–1) as well as parameters |
727 |
| -#' that allow for the calculation of rate constants at different temperatures |
728 |
| -#' (the temperature dependence parameters: `A`, `B`, and `n`). Uncertainty |
729 |
| -#' values/factors and temperature limits are also provided here where |
730 |
| -#' information is available. |
| 725 | +#' constants at 298 K (in units of `cm^3 molecules^–1 s^–1`) as well as |
| 726 | +#' parameters that allow for the calculation of rate constants at different |
| 727 | +#' temperatures (the temperature dependence parameters: `A`, `B`, and `n`). |
| 728 | +#' Uncertainty values/factors and temperature limits are also provided here |
| 729 | +#' where information is available. |
731 | 730 | #'
|
732 | 731 | #' @format A tibble with 1,683 rows and 39 variables:
|
733 | 732 | #' \describe{
|
734 | 733 | #' \item{compd_name}{The name of the primary compound undergoing
|
735 | 734 | #' reaction with OH, ozone, NO3, or Cl.}
|
736 | 735 | #' \item{cmpd_mwt}{The molecular weight of the compound in units of g/mol.}
|
737 |
| -#' \item{cmpd_formula}{The atomic formula of the compound.} |
| 736 | +#' \item{cmpd_formula}{The chemical formula of the compound.} |
738 | 737 | #' \item{cmpd_type}{The category of compounds that the `compd_name` falls
|
739 | 738 | #' under.}
|
740 | 739 | #' \item{cmpd_smiles}{The SMILES (simplified molecular-input line-entry system)
|
|
744 | 743 | #' \item{cmpd_inchikey}{The InChIKey, which is a hashed InChI value, has a fixed
|
745 | 744 | #' length of 27 characters. These values can be used to more easily perform
|
746 | 745 | #' database searches of chemical compounds.}
|
747 |
| -#' \item{oh_k298}{Rate constant at 298 K for OH reactions.} |
748 |
| -#' \item{oh_uncert}{Uncertainty as a percentage for certain OH reactions.} |
749 |
| -#' \item{oh_u_fac}{Uncertainty as a plus/minus difference for certain OH |
| 746 | +#' \item{OH_k298}{Rate constant at 298 K for OH reactions.} |
| 747 | +#' \item{OH_uncert}{Uncertainty as a percentage for certain OH reactions.} |
| 748 | +#' \item{OH_u_fac}{Uncertainty as a plus/minus difference for certain OH |
750 | 749 | #' reactions.}
|
751 |
| -#' \item{oh_a, oh_b, oh_n}{Extended temperature dependence parameters for |
| 750 | +#' \item{OH_a, OH_b, OH_n}{Extended temperature dependence parameters for |
752 | 751 | #' bimolecular OH reactions, to be used in the Arrhenius expression:
|
753 | 752 | #' `k(T)=A exp(-B/T) (T/300)^n`. In that, `A` is expressed as
|
754 | 753 | #' cm^3 molecules^-1 s^-1, `B` is in units of K, and `n` is dimensionless. Any
|
755 | 754 | #' `NA` values indicate that data is not available.}
|
756 |
| -#' \item{oh_t_low, oh_t_high}{The low and high temperature boundaries (in units |
757 |
| -#' of K) for which the `oh_a`, `oh_b`, and `oh_n` parameters are valid.} |
758 |
| -#' \item{o3_k298}{Rate constant at 298 K for ozone reactions.} |
759 |
| -#' \item{o3_uncert}{Uncertainty as a percentage for certain ozone reactions.} |
760 |
| -#' \item{o3_u_fac}{Uncertainty as a plus/minus difference for certain ozone |
| 755 | +#' \item{OH_t_low, OH_t_high}{The low and high temperature boundaries (in units |
| 756 | +#' of K) for which the `OH_a`, `OH_b`, and `OH_n` parameters are valid.} |
| 757 | +#' \item{O3_k298}{Rate constant at 298 K for ozone reactions.} |
| 758 | +#' \item{O3_uncert}{Uncertainty as a percentage for certain ozone reactions.} |
| 759 | +#' \item{O3_u_fac}{Uncertainty as a plus/minus difference for certain ozone |
761 | 760 | #' reactions.}
|
762 |
| -#' \item{o3_a, o3_b, o3_n}{Extended temperature dependence parameters for |
| 761 | +#' \item{O3_a, O3_b, O3_n}{Extended temperature dependence parameters for |
763 | 762 | #' bimolecular ozone reactions, to be used in the Arrhenius expression:
|
764 | 763 | #' `k(T)=A exp(-B/T) (T/300)^n`. In that, `A` is expressed as
|
765 | 764 | #' cm^3 molecules^-1 s^-1, `B` is in units of K, and `n` is dimensionless. Any
|
766 | 765 | #' `NA` values indicate that data is not available.}
|
767 |
| -#' \item{o3_t_low, o3_t_high}{The low and high temperature boundaries (in units |
768 |
| -#' of K) for which the `o3_a`, `o3_b`, and `o3_n` parameters are valid.} |
769 |
| -#' \item{no3_k298}{Rate constant at 298 K for NO3 reactions.} |
770 |
| -#' \item{no3_uncert}{Uncertainty as a percentage for certain NO3 reactions.} |
771 |
| -#' \item{no3_u_fac}{Uncertainty as a plus/minus difference for certain NO3 |
| 766 | +#' \item{O3_t_low, O3_t_high}{The low and high temperature boundaries (in units |
| 767 | +#' of K) for which the `O3_a`, `O3_b`, and `O3_n` parameters are valid.} |
| 768 | +#' \item{NO3_k298}{Rate constant at 298 K for NO3 reactions.} |
| 769 | +#' \item{NO3_uncert}{Uncertainty as a percentage for certain NO3 reactions.} |
| 770 | +#' \item{NO3_u_fac}{Uncertainty as a plus/minus difference for certain NO3 |
772 | 771 | #' reactions.}
|
773 |
| -#' \item{no3_a, no3_b, no3_n}{Extended temperature dependence parameters for |
| 772 | +#' \item{NO3_a, NO3_b, NO3_n}{Extended temperature dependence parameters for |
774 | 773 | #' bimolecular NO3 reactions, to be used in the Arrhenius expression:
|
775 | 774 | #' `k(T)=A exp(-B/T) (T/300)^n`. In that, `A` is expressed as
|
776 | 775 | #' cm^3 molecules^-1 s^-1, `B` is in units of K, and `n` is dimensionless. Any
|
777 | 776 | #' `NA` values indicate that data is not available.}
|
778 |
| -#' \item{no3_t_low, no3_t_high}{The low and high temperature boundaries (in |
779 |
| -#' units of K) for which the `no3_a`, `no3_b`, and `no3_n` parameters are |
| 777 | +#' \item{NO3_t_low, NO3_t_high}{The low and high temperature boundaries (in |
| 778 | +#' units of K) for which the `NO3_a`, `NO3_b`, and `NO3_n` parameters are |
780 | 779 | #' valid.}
|
781 |
| -#' \item{cl_k298}{Rate constant at 298 K for Cl reactions.} |
782 |
| -#' \item{cl_uncert}{Uncertainty as a percentage for certain Cl reactions.} |
783 |
| -#' \item{cl_u_fac}{Uncertainty as a plus/minus difference for certain Cl |
| 780 | +#' \item{Cl_k298}{Rate constant at 298 K for Cl reactions.} |
| 781 | +#' \item{Cl_uncert}{Uncertainty as a percentage for certain Cl reactions.} |
| 782 | +#' \item{Cl_u_fac}{Uncertainty as a plus/minus difference for certain Cl |
784 | 783 | #' reactions.}
|
785 |
| -#' \item{cl_a, cl_b, cl_n}{Extended temperature dependence parameters for |
| 784 | +#' \item{Cl_a, Cl_b, Cl_n}{Extended temperature dependence parameters for |
786 | 785 | #' bimolecular Cl reactions, to be used in the Arrhenius expression:
|
787 | 786 | #' `k(T)=A exp(-B/T) (T/300)^n`. In that, `A` is expressed as
|
788 | 787 | #' cm^3 molecules^-1 s^-1, `B` is in units of K, and `n` is dimensionless. Any
|
789 | 788 | #' `NA` values indicate that data is not available.}
|
790 |
| -#' \item{cl_t_low, cl_t_high}{The low and high temperature boundaries (in units |
791 |
| -#' of K) for which the `cl_a`, `cl_b`, and `cl_n` parameters are valid.} |
| 789 | +#' \item{Cl_t_low, Cl_t_high}{The low and high temperature boundaries (in units |
| 790 | +#' of K) for which the `Cl_a`, `Cl_b`, and `Cl_n` parameters are valid.} |
792 | 791 | #' }
|
793 | 792 | #'
|
794 | 793 | #' @section Examples:
|
|
808 | 807 | #' }}
|
809 | 808 | #'
|
810 | 809 | #' @section Dataset Introduced:
|
811 |
| -#' *in development* |
| 810 | +#' *In Development* |
812 | 811 | #'
|
813 | 812 | "reactions"
|
814 | 813 |
|
| 814 | +#' Data on photolysis rates for gas-phase organic compounds |
| 815 | +#' |
| 816 | +#' @description |
| 817 | +#' |
| 818 | +#' The `photolysis` dataset contains numerical values for describing the |
| 819 | +#' photolytic degradation pathways of 25 compounds of relevance in atmospheric |
| 820 | +#' chemistry. Many volatile organic compounds (VOCs) are emitted in substantial |
| 821 | +#' quantities from both biogenic and anthropogenic sources, and they can have a |
| 822 | +#' major influence on the chemistry of the lower atmosphere. A portion of these |
| 823 | +#' can be transformed into other VOCs via the energy provided from light. |
| 824 | +#' |
| 825 | +#' In order to realistically predict the composition of the atmosphere and how |
| 826 | +#' it evolves over time, we need accurate estimates of photolysis rates. The |
| 827 | +#' data provided here in `photolysis` allows for computations of photolysis |
| 828 | +#' rates (*J*, having units of `s^-1`) as a function of the solar zenith angle |
| 829 | +#' (SZA). Having such values is essential when deploying atmospheric chemistry |
| 830 | +#' models. |
| 831 | +#' |
| 832 | +#' @format A tibble with 34 rows and 10 variables: |
| 833 | +#' \describe{ |
| 834 | +#' \item{compd_name}{The name of the primary compound undergoing photolysis.} |
| 835 | +#' \item{cmpd_formula}{The chemical formula of the compound.} |
| 836 | +#' \item{products}{A product pathway for the photolysis of the compound.} |
| 837 | +#' \item{type}{The type of organic compound undergoing photolysis.} |
| 838 | +#' \item{l, m, n}{The parameter values given in the `l`, `m`, and `n` columns |
| 839 | +#' can be used to calculate the photolysis rate (*J*) as a function of the |
| 840 | +#' solar zenith angle (*X*, in radians) through the expression: |
| 841 | +#' `J = l * cos(X)^m * exp(-n * sec(X))`.} |
| 842 | +#' \item{quantum_yield}{In the context of photolysis reactions, this is the |
| 843 | +#' efficiency of a given photolytic reaction. In other words, it's the number of |
| 844 | +#' product molecules formed over the number of photons absorbed.} |
| 845 | +#' \item{wavelength_nm, sigma_298_cm2}{The `wavelength_nm` and `sigma_298_cm2` |
| 846 | +#' columns provide photoabsorption data for the compound undergoing photolysis. |
| 847 | +#' The values in `wavelength_nm` provide the wavelength of light in nanometer |
| 848 | +#' units; the `sigma_298_cm2` values are paired with the `wavelength_nm` values |
| 849 | +#' and they are in units of `cm^2 molecule^-1`.} |
| 850 | +#' } |
| 851 | +#' |
| 852 | +#' @section Examples: |
| 853 | +#' |
| 854 | +#' Here is a glimpse at the data available in `photolysis`. |
| 855 | +#' |
| 856 | +#' ```{r} |
| 857 | +#' dplyr::glimpse(photolysis) |
| 858 | +#' ``` |
| 859 | +#' |
| 860 | +#' @family datasets |
| 861 | +#' @section Dataset ID and Badge: |
| 862 | +#' DATA-12 |
| 863 | +#' |
| 864 | +#' \if{html}{\out{ |
| 865 | +#' `r data_get_image_tag(file = "dataset_photolysis.png")` |
| 866 | +#' }} |
| 867 | +#' |
| 868 | +#' @section Dataset Introduced: |
| 869 | +#' *In Development* |
| 870 | +#' |
| 871 | +"photolysis" |
| 872 | + |
815 | 873 | #' An ADSL-flavored clinical trial toy dataset
|
816 | 874 | #'
|
817 | 875 | #' @description
|
|
871 | 929 | #'
|
872 | 930 | #' @family datasets
|
873 | 931 | #' @section Dataset ID and Badge:
|
874 |
| -#' DATA-12 |
| 932 | +#' DATA-13 |
875 | 933 | #'
|
876 | 934 | #' \if{html}{\out{
|
877 | 935 | #' `r data_get_image_tag(file = "dataset_rx_adsl.png")`
|
|
944 | 1002 | #'
|
945 | 1003 | #' @family datasets
|
946 | 1004 | #' @section Dataset ID and Badge:
|
947 |
| -#' DATA-13 |
| 1005 | +#' DATA-14 |
948 | 1006 | #'
|
949 | 1007 | #' \if{html}{\out{
|
950 | 1008 | #' `r data_get_image_tag(file = "dataset_rx_addv.png")`
|
|
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