maunaloa {ecostats}

Atmospheric carbon dioxide concentration from the Mauna Loa Observatory

Description

Monthly average measurements of carbon dioxide concentration from the Mauna Loa Observatory in Hawaii, from March 1958 to February 2021. Data available courtesy of the Global Monitoring Laboratory at the National Oceanic and Atmospheric Administration (NOAA) in the United States (https://www.esrl.noaa.gov/gmd/ccgg/trends/data.html).

Usage

data(maunaloa)

Format

A dataframe containing:

Date

The data of the measurement in date format. One measurement is available for each month, the first day of the month is assumed here.

year

The year of the measurement.

month

The month of the measurement.

DateNum

The date in numerical format, as year+month/12.

co2

Carbon dioxide measurement in parts per million. Calculated as the average of all daily measurements for the month.

Examples

data(maunaloa)
plot(co2~Date, type="l", data=maunaloa)