This SBUV ozone data set consists of the following products:
HDSBUV -- High Density Tape from SBUV (Level II, NSSDC ID: 78-098A-09D) CPOZ -- Compressed Ozone Tape (Level II, NSSDC ID: 78-098A-09Q) ZMT-S -- Zonal Means Tape for SBUV (Level III, NSSDC ID: 78-098A-09K) PSC -- Polar Stererographic Contours Tape (Level III, NSSDC ID: 78-098A-09W)
The temporal ... coverages include CPOZ (10/31/78-06/21/90), HDSBUV (01/21/79-06/21/90), ZMT-S (10/31/78-02/12/87), and PSC (11/07/78-09/30/86).
As of 3/14/95, the Goddard Space Flight Center Distributed Active Archive Center (GSFC DAAC) distributes ONLY the HDSBUV and CPOZ data sets
All data products provide global earth coverage from 80N to 80S with a horizontal resolution of 200 x 200 km. Vertically, the ozone profiles are produced from measurements taken at 19 pressure levels form 100 to 0.3 mbar. Data are available three out of four days from November 1978 to mid 1983, and then continuous afterwards. Beginning February 13, 1987, the SBUV instrument developed chopper synchronization problems that render results unsuitable for long-term ozone trend determination.
The HDSBUV data product contains (1) earth-located total ozone (in Dobson units, with and without IR cloud height information), (2) reflectivity measured mainly by the 339.8-nm channel, (3) ozone mixing ratios (microgram/g), and (4) layer ozone amounts (Dobson units) for 12 layers: 0-0.24, 0.24-0.49, 0.49-0.99, 0.99-1.98, 1.98-3.96, 3.96-7.92, 7.92-15.8, 15.8-31.7,31.7-63.3, 63.3-127, 127-253, and 253-1013 mb. There are also solar zenith angle information, a data quality flag, and a volcanic contamination index included with these data. Each HDSBUV tape archived at the Goddard DAAC normally covers a year's worth of data.
The CPOZ data product is a condensed version of the HDSBUV and is designed to be the most convenient SBUV product for investigators. All CPOZ tape archived at the Goddard DAAC normally covers one year of data.
The ZMT-S contains daily, weekly, monthly and seasonal averages of total ozone and mixing ratios for 10-deg latitude zones. There is one 1600 bpi tape per year.
The PSC tapes contain daily and monthly averages of total ozone and mixing ratio contours at 30, 10, 5, 2, 1, and 0.4 mbar. The data were abstracted from CPOZ and were gridded in NMC (National Meteorological Center) 65 x 65 rectangular array in a polar stereographic projection. Each tape normally covers one year of data; data are available through September 1986.
The same algorithms that were used to process HDSBUV, CPOZ and ZMT-S tapes were also used to reprocess the Nimbus-4 BUV data. Together SBUV and BUV ozone form a continuous data set from 1970.
GSFC, 1978. The Nimbus-7 User's Guide. NASA/GSFC, Greenbelt, Maryland.
Cebula, R.P., H. Park, and D.F. Heath, 1988. 'Characterization of the Nimbus-7 SBUV Radiometer for the Long-Term Monitoring of Stratospheric Ozone,' J. Atmos. and Oceanic Tech. 5:215-227.
Douglass, A.R., R.B. Rood and R.S. Stolarski, 1985. 'Interpretation of Ozone Temperature Correlations. II - Analysis of SBUV Ozone Data - Solar Backscattered Ultraviolet,' J. Geophys. Res. 90:10693-10708.
Eck, T.F., P.K. Bhartia, P.H. Hwang, and L.L. Stowe, 1987. 'Reflectivity of Earth's Surface and Clouds in Ultraviolet From Satellite Observations,' J. Geophys. Res. 92:4287-4296.
Fleig, A.J., P.K. Bhartia, D.S. Silberstein, 1986. 'An Assessment of the Long-Term Drift in SBUV Total Ozone Data, Based on Comparison with the Dobson Network,' Geophys. Res. Letters 13:1359-1362.