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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2014.8
- 수록면
- 387 - 397 (11page)
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This work aims at estimating global warming potentials (GWP) of CF₃Br and HFC-134a among green house gases. It has been reported that they have much higher GWP than CO₂ in the atmosphere. CF₃Br, halon 1301 which is well known to be a fire extinguisher, as one of the bromine-containing halons has been banned since 2003 due to destruction of ozone. HFCs, a kind of chiller which replaced chlorofluorocarbons (CFCs) are one of greenhouse gases regulated by the Kyoto Protocol.
In this study, we produced GWPs of CF₃Br and HFC-134a by calculating a life time and measuring an absorption cross section to obtain a radiative forcing (RF). Their absorption cross sections were measured by using Fourier-transformed infrared spectroscopy (FTS) with a gas cell filled with their certified reference materials at room temperature.
As a result, the RFs of CF₃Br and HFC-134a were 0.32 and 0.168Wm-2ppb-1, respectively and the GWPs were calculated as 7989, 6076, 3903 for CF₃Br and 3855, 1300, 656 for HFC-134a for the time horizon of 20, 100, 500 years, respectively. Overall, uncertainty of the estimated GWPs can be estimated to be about 2.6%. Our results were compared with those proposed by the previous studies (IPCC, 2007; WMO, 1999).
In this study, we produced GWPs of CF₃Br and HFC-134a by calculating a life time and measuring an absorption cross section to obtain a radiative forcing (RF). Their absorption cross sections were measured by using Fourier-transformed infrared spectroscopy (FTS) with a gas cell filled with their certified reference materials at room temperature.
As a result, the RFs of CF₃Br and HFC-134a were 0.32 and 0.168Wm-2ppb-1, respectively and the GWPs were calculated as 7989, 6076, 3903 for CF₃Br and 3855, 1300, 656 for HFC-134a for the time horizon of 20, 100, 500 years, respectively. Overall, uncertainty of the estimated GWPs can be estimated to be about 2.6%. Our results were compared with those proposed by the previous studies (IPCC, 2007; WMO, 1999).
목차
Abstract
1. 서론
2. 이론적 배경
3. 실험방법
4. 연구 결과 및 논의
5. 요약 및 결론
References
참고문헌 (21)
참고문헌 신청
Bolin, B. / 1973 / A note on the concepts of age distribution and residence time in natural reservoirs / Tellus 25:58~62
DeMore, W.B. / 1994 / Chemical kinetics and photochemical data for use in stratospheric modeling / JPL Publication, NASA/JPL
Drage, E.A. / 2006 / FTIR spectroscopy and estimation of the global warming potential of CF3Br and C2F4 / JQSRT 98:44~56
Elrod, M.J. / 1999 / Greenhouse warming potentials from the infrared spectroscopy of atmospheric gases / J. Chem. Educ. 76(12):1702~1705
Highwood, E.J. / 2000 / Radiative forcing and global warming potentials of 11 halogenated compounds / JQSRT 66:169~183
DeMore, W.B. / 1994 / Chemical kinetics and photochemical data for use in stratospheric modeling / JPL Publication, NASA/JPL
Drage, E.A. / 2006 / FTIR spectroscopy and estimation of the global warming potential of CF3Br and C2F4 / JQSRT 98:44~56
Elrod, M.J. / 1999 / Greenhouse warming potentials from the infrared spectroscopy of atmospheric gases / J. Chem. Educ. 76(12):1702~1705
Highwood, E.J. / 2000 / Radiative forcing and global warming potentials of 11 halogenated compounds / JQSRT 66:169~183
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UCI(KEPA) : I410-ECN-0101-2015-530-002583131