folio (version 1.5.0)

law2006: Law Dome Ice Core

Description

Law Dome Ice Core 2000-year \(CH_4\), \(CO_2\) and \(N_{2}O\) data.

Usage

law2006

Format

A data.frame with 2004 observations and 8 variables:

year

integer: year AD.

NOAA04

numeric: NOAA04 \(CH_4\) scale.

CH4_spl

numeric: \(CH_4\) spline (ppb).

CH4_grw

numeric: \(CH_4\) growth Rate (ppb/yr).

CO2_spl

numeric: \(CO_2\) spline (ppb).

CO2_grw

numeric: \(CO_2\) growth Rate (ppb/yr).

N2O_spl

numeric: \(N_{2}O\) spline (ppb).

N2O_grw

numeric: \(N_{2}O\) growth Rate (ppb/yr).

References

MacFarling Meure, C., Etheridge, D., Trudinger, C., Steele, P., Langenfelds, R., van Ommen, T., Smith, A. and Elkins, J. (2006). The Law Dome CO2, CH4 and N2O Ice Core Records Extended to 2000 years BP. Geophysical Research Letters, 33(14), L14810. tools:::Rd_expr_doi("10.1029/2006GL026152").

See Also

Other palaeoenvironment data: epica2008, lisiecki2005, ngrip2004, ngrip2010, spratt2016

Examples

plot(
  x = law2006$year,
  y = law2006$CO2_spl,
  type = "l",
  xlab = "Year AD",
  ylab = expression("CO"[2]~"(ppm)")
)