Carbon monoxide data from the WLEF and WITN towers.

Contact:  Dale Hurst
          dhurst@cmdl.noaa.gov
          303-497-7003

STN YEAR MO DY HR MN CM R F L  MR

STN       Station code
YEAR      Year
MO        Month
DY        Day of month
HR        Hour (time is GMT)
MN        Minute
CM        Cal method
R         H=Height, A=Area
F         flag (0 = good data)
L         level:  ITN  1=51m, 2=123m, 3=496m
		  LEF  2=30m, 3=76m, 6=396m
MR        CO mixing ratio (ppb by mole ratio)


References:

Bakwin, P.S., D.F. Hurst, P.P. Tans, and J.W. Elkins, Anthropogenic
  sources of halocarbons, sulfur hexafluoride, carbon monoxide, and
  methane in the southeastern United States, J. Geophys. Res., 102,
  15915-15925, 1997.

Hurst, D.F., P.S. Bakwin, R.C. Myers, and J.W. Elkins, Behavior of
  trace gas mixing ratios at a very tall tower site in North Carolina,
  J. Geophys. Res., 102, 8825-8835, 1997.
 
Hurst, D.F., P.S. Bakwin, and J.W. Elkins, Recent trends in the
  atmospheric variability of halogenated trace gases over the United
  States, J. Geophys. Res., 103, 25229-25306, 1998.

This file last updated:  November 28, 2001