co2_20ma: 20 Million Year Atmospheric CO2 Reconstruction

In andreas50/utsData: Example Data Sets of Unevenly Spaced Time Series

Description

A 20 million year (ma) reconstruction of the atmposheric CO2 concentration (in parts per million).

Format

A uts object.

Source

This dataset was imported by download_co2_20ma in January 2016 from a website by the NOAA Earth System Research Laboratory.

Tripati, A.K., C.D. Roberts, and R.A. Eagle. 2009. Coupling of CO2 and Ice Sheet Stability Over Major Climate Transitions of the Last 20 Million Years. Science, Vol. 326, pp. 1394-1397, 4 December 2009. DOI: 10.1126/science.1178296

See Also

co2_ml for monthly data since 1958.

co2 in base R.

Examples

data(co2_20ma)
plot(co2_20ma, max_dt=dyears(1e6), type="o")      # connect observations less than 1 ma apart
plot(tail_t(co2_20ma, dyears(1.5e6)),  type="o")  # plot the 1.5 million most recent years

andreas50/utsData documentation built on May 13, 2019, 12:52 p.m.