LR04_MISboundaries {gsloid} | R Documentation |
Marine isotope stages (MIS) boundaries.
Description
From http://www.lorraine-lisiecki.com/LR04_MISboundaries.txt
Usage
LR04_MISboundaries
Format
A data frame with 232 rows and 7 variables:
- MIS_Boundary
Marine isotope stage boundary, start/end
- start_MIS
start of this phase
- end_MIS
end of this phase
- label_MIS
short version of 'start_MIS' suitable for annotating plots
- LR04_Age_ka_start
Age of start of MIS, x 1000 years ago
- LR04_Age_ka_end
Age of end of MIS, x 1000 years ago
- LR04_Age_ka_mid
Age of middle of MIS, x 1000 years ago, suitable for controlling label placement on plots
Source
http://www.lorraine-lisiecki.com/LR04_MISboundaries.txt
Examples
names(LR04_MISboundaries)
head(LR04_MISboundaries)
# subset the MIS data for the last 250 ka years
mis_last_250ka <- LR04_MISboundaries[LR04_MISboundaries$LR04_Age_ka_start <= 250, ]
[Package gsloid version 0.2.0 Index]