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자료유형
학술저널
저자정보
이유정 (경북대학교) 박중현 (경북대학교) 이광목 (경북대학교)
저널정보
한국기상학회 대기 대기 Vol.25 No.4
발행연도
2015.12
수록면
601 - 610 (10page)

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This study measured the emissivity spectra of 5 major rock-forming minerals using a Fourier Transform Infrared (FT-IR) spectrometer in the spectral region of 650~1400 cm<SUP>−1</SUP>. The mineral samples are quartz, albite, bytownite, anorthite, and sandstone. We compared emissivity spectra measured in this study with spectra provided by Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) and Arizona State University (ASU). The spectral features of emissivity such as Reststrahlen Band (RB) and Christiansen Feature (CF) locations were compared. Results showed that both CF and RB locations of emissivity spectra measured in this study were similar to those from ASTER and ASU. In the case of quartz, the RB was occurred in the region of 700~850 cm<SUP>−1</SUP> and 1050~1250 cm<SUP>−1</SUP>. The spectral position of emissivity peak was in good agreement with the location of ASTER and ASU. For plagioclase (albite, bytownite, and anorthite), the spectral location of CF was shifted toward larger wavenumber and the emissivity value was increased in the region of 870~1200 cm<SUP>−1</SUP> with Ca percentage. The CF of anorthite and bytownite was occurred at 1245.79 cm<SUP>−1</SUP>, and that of albite was occurred at 1283.79 cm<SUP>−1</SUP>. We also confirmed that emissivity feature of sandstone includes both emissivity features of quartz and calcite. However, there were some differences in the magnitude of emissivity and locations of RB and CF. These were due to the differences in measurement methods, and differences in particle size and temperature of samples.

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Abstract
1. 서론
2. FT-IR 이론
3. 방출도 측정
4. 실험 결과
5. 요약 및 결론
REFERENCES

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UCI(KEPA) : I410-ECN-0101-2016-453-002305751