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Station Characteristics	2012-05-10/2141914043

GAW ID	BLD	Boulder ESRL HQ (CO) (United States)
WMO ID		Regional station in WMO RA IV - North/Central America
station status	established 1964 / full operation	39.99100°N 105.26100°W (1634 m a.s.l.)
time zone	UTC-7	http://www.esrl.noaa.gov/
climate zone	BSk (Steppe climate, cold arid)
other affiliations	NOAA-ESRL/AERO(BLD), GALION

description

This NOAA station is situated on the south roof of NOAA’s David Skaggs Research Center in Boulder (CO). Dobson
observations started in 1964 on the east campus of the University of Colorado (40.01667°N, 105.25000°W) before the station was moved to the new location in 1999 (about 2.6 km SSW from the original site).

Picture of Boulder ESRL HQ (CO) facility

Measurement Program


type	parameter	method	contributor	data available	details
Ozone	Total column ozone	Dobson	NOAA-ESRL-GMD	1964-01-02 ~ 2012-12-31
	Vertical ozone profile	Umkehr method	NOAA-ESRL-GMD	1978-02-23 ~ 2010-12-28
	Vertical ozone profile	Umkehr method	NOAA-ESRL-GMD	1978-02-23 ~ 2010-12-28
	Vertical ozone profile	ECC Sonde	NOAA-ESRL-GMD	1979-03-12 ~ 1996-12-27
	Vertical ozone profile	Brewer-Mast Sonde	NOAA-ESRL-GMD	1963-08-21 ~ 1966-07-13
Radiation	Global solar radiation	Eppley precision spectral pyranometer	unknown	1977-01-01 ~ 1980-04-01

Contact Person(s)

name	Dr. James Butler
address	NOAA/ESRL/GMD 325 Broadway Boulder, CO 80303 United States

	2008-01-03/-147256505
phone	+1 303 497 6898
fax	+1 303 492 6975
mailto	james.h.butler@noaa.gov
url

GAW function
station function

name	Mr. Robert D. Evans
address	NOAA Earth System Research Laboratory (ESRL) Global Monitoring Division 325 Broadway Boulder, Colorado 80305 United States

	2012-05-10/2141914043
phone	+1 303 497 6679
fax	+1 303 497 5590
mailto	Robert.D.Evans@noaa.gov
url

GAW function	Member of SAG Ozone, World Calibration Centre, GAW CCL (Reference Scale)
station function	Primary station contact

References

Newchurch, MJ, et al. (2003), Vertical distribution of ozone at four sites in the United States, J. Geophys. Res, 108, 4031