Natural Variability of Tropical Upper Stratospheric Ozone Inferred from the Atmosphere Explorer Backscatter Ultraviolet Experiment

Frederick, John E.; Abrams, R. B.; Dasgupta, R.; Guenther, B.

doi:10.1175/1520-0469(1981)038<1092:nvotus>2.0.co;2

Cited by 15 publications

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“…Although ozone mixing ratios at discrete pressure levels are also produced by the inversion technique, we intentionally choose to work with the integrated quantity. This approach recognizes that the vertical resolution of the backscatter technique is inherently limited, being on the order of 1 to 2 atmospheric scale heights [Conrath, 1977' Frederick et al, 1981. Hence use of integrated ozone amounts derived in slabs whose thicknesses are approximately 5 km is more consistent with the restricted information content of the measurements than are localized quantities.…”

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confidence: 88%

An analysis of the annual cycle in upper stratospheric ozone

Frederick¹,

Serafino²,

Douglass³

1984

J. Geophys. Res.

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The mid‐latitude upper stratospheric ozone profiles obtained by the solar backscatter ultraviolet instrument on the Nimbus 7 satellite show a clear annual cycle both in the absolute ozone amounts between 0.98 and 15.6 mbar and in the magnitude of disturbances that reveal themselves as longitudinal structure. At the lowest pressures analyzed a winter maximum in ozone exists, but as one progresses downward in altitude a shift in the temporal phase of the annual cycle occurs in the vicinity of 3 to 4 mbar. Comparison of the observed behavior with the predictions of a one‐dimensional photochemical model shows a systematic tendency for calculated ozone amounts to be 20–27% below the data for pressures less than 7.8 mbar. The chemical model successfully predicts the change in phase of the annual cycle, although at a pressure greater than observed. Diagnosis of model results shows the observed shift to be closely coupled to the magnitude of the ozone column density near 3–4 mbar. The wavelength‐dependent attenuation of the solar radiation field by ozone alters the relative magnitude of the molecular oxygen and ozone dissociation rates, leading to a change in the temporal phase of the annual cycle.

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confidence: 88%

An analysis of the annual cycle in upper stratospheric ozone

Frederick¹,

Serafino²,

Douglass³

1984

J. Geophys. Res.

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“…The backscattered middle ultraviolet radiation from the terrestrial atmosphere has been observed extensively by satellite-borne instruments to determine ozone densities in the atmosphere (HEATH et al, 1973(HEATH et al, , 1975FREDERICK et al, 1981).…”

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The BUV experiment for the satellite "OHZORA"

Suzuki

Ogawa

Kadokura

1985

J. geomagn. geoelec

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“…in each latitude-month bin provide the basis for isolating the signal arising from nitric oxide. Using the mean SBUV ozone profile derived for each bin, we compute the Rayleigh-scattered signal that would exist in the 255component at 255-256 nm have considerable overlap[Frederick et al, 1981], providing a high degree of redundancy in atmospheric ozone detection. The agreement between the observed and computed 273-274 nm radiances provides a useful consistency check, but this is not a definitive proof that the computed 255-256 nm signal is precisely the same as would be observed in the absence of the NO gamma bands.…”

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Satellite observations of the nitric oxide dayglow: Implications for the behavior of mesospheric and lower‐thermospheric odd nitrogen

Frederick

Serafino

1985

J. Geophys. Res.

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The solar backscattered ultraviolet spectral radiometer on the Nimbus 7 satellite routinely measures fluorescence emissions from the nitric oxide (1, 4) gamma band that are imposed on the large Rayleigh‐scattered signal in the wavelength range 255–256 nm. The gamma band feature, when isolated from the background radiance, provides information on the seasonal and latitudinal variations in the nitric oxide column abundance over the altitude region from 40 to 45 km upward through the thermosphere. At latitudes from 30° to 45° in the northern hemisphere the measurements show an annual cycle with maximum nitric oxide abundance in summer. The southern hemisphere pattern is qualitatively similar to this, although the amplitude of the seasonal variation is substantially smaller. The most prominent feature of the data base is a large maximum in nitric oxide emission that develops poleward of 45° latitude in both hemispheres during late autumn and early winter. These maxima dissipate rapidly as spring approaches and are no longer evident in the data for northern hemisphere March and southern hemisphere September.

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Natural Variability of Tropical Upper Stratospheric Ozone Inferred from the Atmosphere Explorer Backscatter Ultraviolet Experiment

Cited by 15 publications

References 0 publications

An analysis of the annual cycle in upper stratospheric ozone

An analysis of the annual cycle in upper stratospheric ozone

The BUV experiment for the satellite "OHZORA"

Satellite observations of the nitric oxide dayglow: Implications for the behavior of mesospheric and lower‐thermospheric odd nitrogen

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