Development of a global stratospheric aerosol climatology: Optical properties and applications for UV

Stevermer, A.; Petropavlovskikh, Irina; Rosen, James M.; Deluisi, John

doi:10.1029/2000jd900368

Cited by 23 publications

(22 citation statements)

References 60 publications

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“…The Stratospheric Aerosol and Gas Experiment (SAGE) and Stratospheric Aerosol Measurement (SAM) projects (McCormick et al, 1979;Mauldin et al, 1985;McCormick, 1987;Thomason, 1991;Veiga, 1993) have provided more than 20 years of three-dimensional data of stratospheric aerosol spectral extinctions, the longest such record. Hitchman et al (1994) and Stevermer et al (2000) used these data to study the zonal mean aerosol climatology. However, a significant level of uncertainty exists in aerosol characterization during the period of SAGE observations from 1978 to present.…”

Section: Observational Techniquesmentioning

confidence: 99%

Emissions from volcanoes

Textor¹,

Graf²,

Timmreck³

et al. 2004

Advances in Global Change Research

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Section: Observational Techniquesmentioning

confidence: 99%

Emissions from volcanoes

Textor¹,

Graf²,

Timmreck³

et al. 2004

Advances in Global Change Research

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“…The decrease in SunDuderived R s in the period of 1990-1992 results from the abrupt increase in stratospheric aerosols (Stevermer et al, 2000) following the Pinatubo volcano eruption in 1991. Further evidence for this conclusion is provided by comparison of both estimates of R s with pan evaporation.…”

Section: Decadal Variation Of R Smentioning

confidence: 99%

“…Figure 9 correlates the SunDu-derived R s with independent data for aerosol optical depth (AOD) as well as cloud cover. The total column AOD is estimated from tropospheric values (Wang et al, 2009) supplemented with satellite-measured stratospheric values (Stevermer et al, 2000). AERONET provides a better dataset of AOD than that derived from visibility (Holben et al, 1998).…”

Section: Clouds Determine R S At a Monthly Time Scalementioning

confidence: 99%

Atmospheric impacts on climatic variability of surface incident solar radiation

Wang

Dickinson

Wild³

et al. 2012

Atmos. Chem. Phys.

131

110

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Abstract. The Earth's climate is driven by surface incident solar radiation (R s ). Direct measurements have shown that R s has undergone significant decadal variations. However, a large fraction of the global land surface is not covered by these observations. Satellite-derived R s has a good global coverage but is of low accuracy in its depiction of decadal variability. This paper shows that daily to decadal variations of R s , from both aerosols and cloud properties, can be accurately estimated using globally available measurements of Sunshine Duration (SunDu). In particular, SunDu shows that since the late 1980's R s has brightened over Europe due to decreases in aerosols but dimmed over China due to their increases. We found that variation of cloud cover determines R s at a monthly scale but that aerosols determine the variability of R s at a decadal time scale, in particular, over Europe and China. Because of its global availability and long-term history, SunDu can provide an accurate and continuous proxy record of R s , filling in values for the blank areas that are not covered by direct measurements. Compared to its direct measurement, R s from SunDu appears to be less sensitive to instrument replacement and calibration, and shows that the widely reported sharp increase in R s during the early 1990s in China was a result of instrument replacement. By merging direct measurements collected by Global Energy Budget Archive with those derived from SunDu, we obtained a good coverage of R s over the Northern Hemisphere. From this data, the average increase of R s from 1982 to 2008 is estimated to be 0.87 W m −2 per decade.

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“…3.5 on time lag) only to remove errors associated with inability of the retrieval algorithm to interpret Umkehr measurements during interference of high loads of stratospheric aerosols in the events of volcanic eruptions (Petropavlovskikh et al, 2005). AOD is defined as monthly averages of aerosol optical depth derived from the composite of stratospheric aerosol measurements over 40-50 • N and is adjusted to 320 nm to match spectral measurements in the Umkehr method (Stevermer et al, 2000).The proxy captures elevated aerosols during El Chichon (1982)(1983) and Pinatubo (1991Pinatubo ( -1993 volcanic eruptions. The 40-50 • N AOD proxy is further adjusted to account for the transport from the middle to high latitudes by application of the time lag (see further Sect.…”

Section: Proxy Data Setsmentioning

confidence: 99%

Long-term changes in the upper stratospheric ozone at Syowa, Antarctica

et al. 2014

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Abstract. Analyses of stratospheric ozone data determined from Dobson-Umkehr measurements since 1977 at the Syowa (69.0 • S, 39.6 • E), Antarctica, station show a significant decrease in ozone at altitudes higher than that of the 4 hPa pressure level during the 1980s and 1990s. Ozone values over Syowa have remained low since 2001. The time series of upper stratospheric ozone from the homogenized NOAA SBUV (Solar Backscatter Ultraviolet Instrument)(/2) 8.6 overpass data (±4 • , 24 h) are in qualitative agreement with those from the Syowa station data. Ozone recovery during the austral spring over the Syowa station appears to be slower than predicted by the equivalent effective stratospheric chlorine (EESC) curve. The long-term changes in the station's equivalent latitude (indicative of vortex size/position in winter and spring) are derived from MERRA (Modern Era Retrospective-analysis for Research and Applications) reanalyses at ∼ 2 and ∼ 50 hPa. These data are used to attribute some of the upper and middle stratospheric ozone changes to the changes in vortex position relative to the station's location. In addition, high correlation of the Southern Hemisphere annular mode (SAM) with polar upper stratospheric ozone during years of maximum solar activity points toward a strong relationship between the strength of the Brewer-Dobson circulation and the polar stratospheric ozone recovery. In the lower stratosphere, ozone recovery attributable to CFCs (chlorofluorocarbons) is still not definitive, whereas the recovery of the upper stratosphere is slower than predicted. Further research indicates that dynamical and other chemical changes in the atmosphere are delaying detection of recovery over this station.

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Development of a global stratospheric aerosol climatology: Optical properties and applications for UV

Abstract: In this study, satellite, lidar, and other ground-based measurements are utilized to compile a long-term climatology of

Cited by 23 publications

References 60 publications

Emissions from volcanoes

Emissions from volcanoes

Atmospheric impacts on climatic variability of surface incident solar radiation

Long-term changes in the upper stratospheric ozone at Syowa, Antarctica

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