lisiecki2005 {gsloid}

LR04 Global Pliocene-Pleistocene Benthic d18O Stack (5.3-Myr).

Description

The LR04 stack spans 5.3 Myr and is an average of 57 globally distributed benthic d18O records (which measure global ice volume and deep ocean temperature) collected from the scientific literature. Obtained from ftp://ftp.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/lisiecki2005/lisiecki2005.txt on 28 June 2017. A data frame with 2115 rows and 3 variables.

Usage

lisiecki2005

Format

An object of class data.frame with 2115 rows and 3 columns.

Details

• Timex 1000 years (i.e. ka)

• d18OBenthic d18O (per mil)

• ErrorStandard error (per mil)

Source

ftp://ftp.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/lisiecki2005/lisiecki2005.txt

Examples

names(lisiecki2005)
head(lisiecki2005)
# plot for 0-250 ka:
if (require("ggplot2")) {
   ggplot(lisiecki2005,
          aes(Time,
              d18O)) +
     geom_line() +
     scale_x_continuous(limits = c(0, 250),
                        name = "x 1000 years ago") +
     scale_y_reverse(name = bquote(delta^18*O)) +
     theme_bw()
   }