지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이 논문의 연구 히스토리 (5)
2014
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초록· 키워드
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This study investigated the performances of precipitable water vapor (PWV) retrieval from the sets of ground global positioning system (GPS) signals, each of which had different length of observing-session duration, for the purpose of obtaining as short session duration as possible that is required at the least for appropriate retrieval of the PWV for meteorological usage. The shorter duration is highly desirable to make the most use of the GPS instrument on board the mobile observation vehicle making measurements place by place. First, using Bernese 5.0 software the PWV retrieval was conducted with the data sets of GPS signals archived continuously in 30 seconds interval during 2-month period of January and February, 2012 at Bukgangneung site. Each of the PWVs produced independently using different session durations was compared to that of radio-sonde launched at the same GPS location, a Bukgangneung site. Second, the same procedure was done using the data sets obtained from the mobile observation vehicle that was operating at Boseong area in Jeonnam province during Changma observation campaign in 2013, and the results were compared to that at Bukgangneung site. The results showed that as the observing-session duration increased the retrieval errors decreased with the dramatic change happening between 3 and 4 hours of the duration. On average, the root mean square error (RMSE) of the retrieved PWV was around 1 mm for the durations of greater than 4 hours. The results at both the Bukgangneung (fixed site) and Boseong (mobile vehicle) seemed to be fairly comparable with each other. From this study it is believed that at least 4 hours of observing-session duration is needed for the retrieval of PWV from the ground GPS for meteorological usage using Bernese 5.0 software.
목차
Abstract
1. 서론
2. 연구방법
3. 결과 및 고찰
4. 요약 및 토의
REFERENCES
참고문헌 (29)
참고문헌 신청
1. [학술지(정기간행물)] - Bevis, M. / 1992 / GPS Meteorology:Remote sensing of atmospheric water vapor using the global positioning system / J. Geophys. Res. 97 : 15787 ~ 15801
2. [학술지(정기간행물)] - Chen, H. -Y. / 2011 / GPS medium-range kinematic positioning for the seafloor geodesy off eastern Taiwan / Eng. J. 15 : 17 ~ 24
3. [학술지(정기간행물)] - Daud, M. E. / 2008 / Long-baseline quasi-real time kinematic GPS data analysis for early tsunami warning / Earth Planets Space 60 : 1191 ~ 1195
4. [학술지(정기간행물)] - Davis, J. L. / 1985 / Geodesy by radio interferometry:Effects of atmospheric modeling errors on estimates of baseline length / Radio. Sci. 20 : 1593 ~ 1607
5. [학술지(정기간행물)] - Dietrich, S. V. R. / 2004 / Comparison of tropospheric water vapor over Antarctica derived from AMSU-B data, ground-based GPS data and the NCEP/NCAR reanalysis / J. Meteor. Soc. Japan 82 : 259 ~ 267
2. [학술지(정기간행물)] - Chen, H. -Y. / 2011 / GPS medium-range kinematic positioning for the seafloor geodesy off eastern Taiwan / Eng. J. 15 : 17 ~ 24
3. [학술지(정기간행물)] - Daud, M. E. / 2008 / Long-baseline quasi-real time kinematic GPS data analysis for early tsunami warning / Earth Planets Space 60 : 1191 ~ 1195
4. [학술지(정기간행물)] - Davis, J. L. / 1985 / Geodesy by radio interferometry:Effects of atmospheric modeling errors on estimates of baseline length / Radio. Sci. 20 : 1593 ~ 1607
5. [학술지(정기간행물)] - Dietrich, S. V. R. / 2004 / Comparison of tropospheric water vapor over Antarctica derived from AMSU-B data, ground-based GPS data and the NCEP/NCAR reanalysis / J. Meteor. Soc. Japan 82 : 259 ~ 267
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UCI(KEPA) : I410-ECN-0101-2015-450-002731574