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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국기상학회 Asia-Pacific Journal of Atmospheric Sciences Journal of the Korean Meteorological Society Vol.43 No.3
- 발행연도
- 2007.8
- 수록면
- 239 - 251 (13page)
이용수
초록· 키워드
오류제보하기
In this study, intensities and interannual variabilities of Hadley, Walker, and monsoon circulations at the lower troposphere are analyzed and compared with those at the upper troposphere, using velocity potential data at 850-hPa and 200-h㎩. Tropical circulations are decomposed in the components of the Hadley, Walker, and monsoon circulations by considering their different driving forces, following the method by Tanaka et al. (2004) to better understand the trends and variabilities of the tropical circulations. As a result, the ratios of the intensities of Walker, monsoon, and Hadley circulations appear to be 56:28:14 in boreal winter and 56:36:15 in boreal summer for the lower troposphere. Although intensities of the circulations at the lower level are less than 50% of the upper troposphere, the ratios of these tropical circulations are comparable to those in the upper troposphere. A weakening trend of the intensity of the Walker circulation and the intensifying trend of the Hadley circulation in boreal winter are detected at the lower troposphere in agreement with that in the upper troposphere by our previous study.
목차
Abstract
1. Introduction
2. Data and methods
3. Results
4. Concluding remarks
Acknowledgments
REFERENCES
참고문헌 (15)
참고문헌 신청
1. [학술지(정기간행물)] - Kalnay E / 1996 / The NCEP/NCAR 40-year reanalysis project 77 : 437 ~ 471
2. [학술지(정기간행물)] - Kistler R / 2001 / The NCEP/NCAR 50-year reanalysis: monthly means CD-ROM and documentation 82 : 247 ~ 267
3. [학술지(정기간행물)] - / 1971 / Tropical east-west circulations during the northern summer : 1342 ~ 1347
4. [학술지(정기간행물)] - Lee / 1973 / Tropical east-west circulations during the northern winter : 780 ~ 787
5. [학술지(정기간행물)] - Mancuso / 1967 / A numerical procedure for computing fields of stream function and velocity potential : 994 ~ 1001
2. [학술지(정기간행물)] - Kistler R / 2001 / The NCEP/NCAR 50-year reanalysis: monthly means CD-ROM and documentation 82 : 247 ~ 267
3. [학술지(정기간행물)] - / 1971 / Tropical east-west circulations during the northern summer : 1342 ~ 1347
4. [학술지(정기간행물)] - Lee / 1973 / Tropical east-west circulations during the northern winter : 780 ~ 787
5. [학술지(정기간행물)] - Mancuso / 1967 / A numerical procedure for computing fields of stream function and velocity potential : 994 ~ 1001
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UCI(KEPA) : I410-ECN-0101-2009-453-016241036