.BG D
.VE $Header: /usr3/s/current/s/data/.help/RCS/co2,v 1.2 83/12/30 23:08:21 rab Exp $
.FN co2
.TL
co2: Mauna Loa Carbon Dioxide Concentration
.PP
This data represents monthly CO2 concentrations
in parts per million (ppm) from January 1958 to
December 1975.
.SH SOURCE
Data collected by Charles D. Keeling,
Scripps Institute of Oceanography,
La Jolla, California.
.PP
An updated version of the data may be found in
.ul
Carbon Dioxide Review 1982,
Oxford University Press, New York, p 378.
.KW dataset
.WR
