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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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The effects of different averaging operators and atmospheric stability on the turbulent fluxes are investigated using the vertical velocity, air temperature, carbon dioxide concentration, and absolute humidity data measured at 10 Hz by a 3-dimensional sonic anemometer and an open-path CO2/H2O infrared gas analyzer installed at a height of 18.5 m on the rooftop of the Jungnang KT building located at a typical residential area in Seoul, Korea. For this purpose, 7 different averaging operators including block average, linear regression, and moving averages during 100 s, 300 s, 600 s, 900 s, and 1800 s are considered and the data quality control procedure such as physical limit check and spike removal is also applied. It is found that as the averaging interval becomes shorter, turbulent fluxes computed by the moving average become smaller and the ratios of turbulent fluxes computed by the 100 s moving average to the fluxes by the 1800 s moving average under unstable stability are smaller than those under neutral stability. The turbulent fluxes computed by the linear regression are 85~92% of those computed by the 1800 s moving average and nearly the same as those computed by 900 s moving average, implying that the adequate selection of an averaging operator and its interval will be very important to estimate more accurate turbulent fluxes at urban area.
목차
Abstract
1. 서론
2. 관측소 및 기기의 설치
3. 자료 및 처리
4. 결과
5. 요약 및 결론
REFERENCES
참고문헌 (31)
참고문헌 신청
1. [단행본] - Aubinet, M. / 2012 / Eddy covariance A practical guide to measurement and data analysis / Springer : 438 ~
2. [학술지(정기간행물)] - Baldocchi, D. / 2001 / Fluxnet: A new tool to study the temporal and spatial variability of ecosystem-scale carbon dioxide, water vapor, and energy flux densities / Bull. Amer. Meteor. Soc. 82 : 2415 ~ 2434
3. [학술지(정기간행물)] - Batchvarova, E. / 2001 / Regional fluxes of momentum and sensible heat over a sub-arctic landscape during late winter / Bound.-Layer Meteor. 99 : 489 ~ 507
4. [학술지(정기간행물)] - Berger, B. W. / 2001 / Long-term carbon dioxide fluxes from a very tall tower in a northern forest: flux measurement methodology / J. Atmos. Oceanic Technol. 18 : 529 ~ 542
5. [학위논문] - Clement, R. J. / 2004 / Mass and energy exchange of a plantation forest in Scotland using micrometeorological methods / 박사 / University of Edinburgh
2. [학술지(정기간행물)] - Baldocchi, D. / 2001 / Fluxnet: A new tool to study the temporal and spatial variability of ecosystem-scale carbon dioxide, water vapor, and energy flux densities / Bull. Amer. Meteor. Soc. 82 : 2415 ~ 2434
3. [학술지(정기간행물)] - Batchvarova, E. / 2001 / Regional fluxes of momentum and sensible heat over a sub-arctic landscape during late winter / Bound.-Layer Meteor. 99 : 489 ~ 507
4. [학술지(정기간행물)] - Berger, B. W. / 2001 / Long-term carbon dioxide fluxes from a very tall tower in a northern forest: flux measurement methodology / J. Atmos. Oceanic Technol. 18 : 529 ~ 542
5. [학위논문] - Clement, R. J. / 2004 / Mass and energy exchange of a plantation forest in Scotland using micrometeorological methods / 박사 / University of Edinburgh
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