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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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초록· 키워드
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The climatology in stratospheric ozone over the Korean Peninsula, presented in previous studies (e.g., Cho et al., 2003; Kim et al., 2005), is updated by using daily and monthly data from satellite and ground-based data through December 2009. In addition, long-term satellite data [Total Ozone Mapping Spectrometer (TOMS), Ozone Monitoring Instrument (OMI), 1979~2009] have been also analyzed in order to deduce the spatial distributions and temporal variations of the global total ozone. The global average of total ozone (1979~2009) is 298 DU which shows a minimum of about 244 DU in equatorial latitudes and increases poleward in both hemispheres to a maximum of about 391 DU in Okhotsk region. The recent period, from-1980s (1979~1982). The long-term trends were estimated by using a multiple linear regression model (e.g., WMO, 1999; Cho et al., 2003) including explanatory variables for the seasonal variation, Quasi-Biennial Oscillation (QBO) and solar cycle over three different time intervals: a whole interval from 1979 to 2009, the former interval from 1979 to 1992, and the later interval from 1993 to 2009 with a turnaround point of deep minimum in 1993 is related to the effect of Mt. Pinatubo eruption. The global trend shows ?0.93% decade?¹ for the whole interval, whereas the former and the later interval trends amount to ?2.59% decade?¹ and +0.95% decade?¹, respectively. Therefore, the long-term total ozone variations indicate that there are positive trends showing a recovery sign of the ozone layer in both North/South hemispheres since around 1993. Annual mean total ozone (1985~2009) is distributed from 298 DU for Jeju (33.52°N) to 352 DU for Unggi (42.32oN) in almost zonally symmetric pattern over the Korean Peninsula, with the latitudinal gradient of 6 DU degree?¹. It is apparent that seasonal variability of total ozone increases from Jeju toward Unggi. The annual mean total ozone for Seoul shows 323 DU, with the maximum of 359 DU in March and the minimum of 291 DU in October. It is found that the day to day variability in total ozone exhibits annual mean of 5.7% in increase and ?5.2% in decrease. The variability as large as 38.4% in increase and 30.3% in decrease has been observed, respectively. The long-term trend analysis (e.g., WMO, 1999) of monthly total ozone data (1985~2009) merged by satellite and ground-based measurements over the Korean Peninsula shows increase of 1.27% decade?¹ to 0.80% decade?¹ from Jeju to Unggi, respectively, showing systematic decrease of the trend magnitude with latitude. This study also presents a new analysis of ozone density and trends in the vertical distribution of ozone for Seoul with data up to the end of 2009. The mean vertical distributions of ozone show that the maximum value of the ozone density is 16.5 DU ㎞?¹ in the middle stratospheric layer between 24 ㎞ and 28 ㎞. About 90.0% and 71.5% of total ozone are found in the troposphere and in the stratosphere between 15 and 33 ㎞, respectively. The trend analysis reconfirms the previous results of significant positive ozone trend, of up to 5% decade?¹, in the troposphere and the lower stratosphere (0~24 ㎞), with negative trend, of up to ?5% decade?¹, in the stratosphere (24~38 ㎞). In addition, the Umkehr data show a positive trend of about 3% decade?¹ in the upper stratosphere (38~48 ㎞).
목차
Abstract
1. 서론
2. 전 지구 오존층
3. 한반도 상공의 오존층
4. 결론 및 요약
감사의 글
참고문헌
참고문헌 (23)
참고문헌 신청
1. [보고서] - 기상청 / 2010 / 2009 지구대기감시 보고서 : 213 ~
7. [학술지(정기간행물)] - Bojkov, R. D. / 1995 / Estimating the global ozone characteristics during the last 30 years / J. Geophys. Res 100 (D8) : 16537 ~ 16551
8. [학술지(정기간행물)] - Cho, H. K. / 1996 / Stratospheric Ozone Observations in Korea / Korean Journal of Geophysical Research, IUGG 24 (1) : 19 ~ 27
10. [학술지(정기간행물)] - Dhomse, S. / 2006 / On the possible causes of recent increases in northern hemispheric total ozone from a statistical analysis of satellite data from 1979 to 2003 / Atmos. Chem. Phys 6 (5) : 1165 ~ 1180
11. [학술지(정기간행물)] - Fioletov, V. E. / 2002 / Global and zonal total ozone variations estimated from ground-based and satellite measurements: 1964-2000 / J. Geophys. Res 107 (D22) : 4647 ~
7. [학술지(정기간행물)] - Bojkov, R. D. / 1995 / Estimating the global ozone characteristics during the last 30 years / J. Geophys. Res 100 (D8) : 16537 ~ 16551
8. [학술지(정기간행물)] - Cho, H. K. / 1996 / Stratospheric Ozone Observations in Korea / Korean Journal of Geophysical Research, IUGG 24 (1) : 19 ~ 27
10. [학술지(정기간행물)] - Dhomse, S. / 2006 / On the possible causes of recent increases in northern hemispheric total ozone from a statistical analysis of satellite data from 1979 to 2003 / Atmos. Chem. Phys 6 (5) : 1165 ~ 1180
11. [학술지(정기간행물)] - Fioletov, V. E. / 2002 / Global and zonal total ozone variations estimated from ground-based and satellite measurements: 1964-2000 / J. Geophys. Res 107 (D22) : 4647 ~
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UCI(KEPA) : I410-ECN-0101-2013-453-001204882