R/Graven2017.R

In SoilR: Models of Soil Organic Matter Decomposition

#' Compiled records of radicarbon in atmospheric CO2 for historical simulations in CMIP6
#' 
#' @description
#' Historical Delta-14C in atmospheric CO2 used as forcing dataset for CMIP6 simulation experiments. 
#' Data is reported for three hemispheric zones, for the period 1850-2015.
#' 
#' @usage data(Graven2017)
#' @format
#'   A data frame with 166 rows and 4 variables.
#'   \describe{
#'     \item{\code{Year.AD}}{Year (AD).}
#'     \item{\code{NH}}{Delta14C for the northern hemisphere, betwen 30N to 90N latitude. Values in per mil.}
#'     \item{\code{Tropics}}{Delta14C for the tropics, between 30N to 30S latitude. Values in per mil.}
#'     \item{\code{SH}}{Delta14C for the southern hemisphere, between 30S to 90S latitude. Values in per mil.}
#'   }
#' 
#' @details
#' All details about the derivation of this dataset are provided in Graven et al. (2017)
#' 
#' @source <https://doi.org/10.22033/ESGF/input4MIPs.1602>
#' 
#' @references
#' Graven, Heather; Allison, Colin; Etheridge, David; Hammer, Samuel; Keeling, Ralph; Levin, Ingeborg; 
#' Meijer, Harro A. J.; Rubino, Mauro; Tans, Pieter; Trudinger, Cathy; Vaughn, Bruce; White, James (2017). 
#' Compiled Historical Record of Atmospheric Delta14CO2 version 2.0. Earth System Grid Federation. 
#' https://doi.org/10.22033/ESGF/input4MIPs.1602
#'
#' Graven, H., Allison, C. E., Etheridge, D. M., Hammer, S., Keeling, R. F., Levin, I., Meijer, 
#' H. A. J., Rubino, M., Tans, P. P., Trudinger, C. M., Vaughn, B. H., and White, J. W. C. 2017. 
#' Compiled records of carbon isotopes in atmospheric CO2 for historical simulations in CMIP6, 
#' Geosci. Model Dev., 10, 4405–4417, https://doi.org/10.5194/gmd-10-4405-2017. 
#'
#' @examples
#' matplot(Graven2017[,1], Graven2017[,-1],type="l",
#'        lty=1, xlab="Year AD", ylab="Delta14C (per mil)", bty="n")
#' legend("topleft",names(Graven2017[,-1]), lty=1, col=1:3, bty="n")

#' 
#' @author Carlos Sierra \email{csierra@bgc-jena.mpg.de} 
#' @docType data
#' @keywords datasets
'Graven2017'