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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국마린엔지니어링학회 Journal of Advanced Marine Engineering and Technology (JAMET) 한국마린엔지니어링학회지 제38권 제8호
- 발행연도
- 2014.10
- 수록면
- 981 - 994 (14page)
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초록· 키워드
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Density currents formed by buoyancy discharges from rivers are numerically studied using non-dimensional two layer model including Coriolis acceleration, bottom stress, interfacial friction. Some typical numbers such as Froude number, densimetric Froude number and Kelvin number are obtained and some characteristic scales are defined as a result of non-dimensionalization of the governing equations.
Besides the Coriolis effect, the configurations of bottom topography, bottom friction coefficient and interfacial friction are found to significantly affect the propagation of the warm water plume. Frontal position can fastly propagate in the case of large density difference between the two layers and small interfacial friction. Left side boundary current is easily formed under the small interfacial friction. With large Kelvin number, both right and left side boundary currents are formed. Wave-like disturbances and eddies are easily formed under the high Froude number.
Besides the Coriolis effect, the configurations of bottom topography, bottom friction coefficient and interfacial friction are found to significantly affect the propagation of the warm water plume. Frontal position can fastly propagate in the case of large density difference between the two layers and small interfacial friction. Left side boundary current is easily formed under the small interfacial friction. With large Kelvin number, both right and left side boundary currents are formed. Wave-like disturbances and eddies are easily formed under the high Froude number.
목차
Abstract
1. Introduction
2. Model Description
3. Results and Discussion
4. Conclusion
References
참고문헌 (12)
참고문헌 신청
1. [학술지(정기간행물)] - T. W. Kao / 1977 / Buoyant surface discharge and small-scale oceanic fronts: A numerical study / Journal of Geophysical Research 82 (12) : 1747 ~ 1752
2. [학술지(정기간행물)] - M. E. Stern / 1982 / The intrusion of a density current along the coast of a ro-tating fluid / Journal of Fluid Mechanics 123 : 237 ~ 265
3. [학술지(정기간행물)] - R. W. Griffiths / 1981 / The stability of buoyancy-driven coastal currents / Dynamics of Atmospheres and Oceans 5 (4) : 281 ~ 306
4. [학술지(정기간행물)] - K. Takano / 1954 / On the velocity distribution off the mouth of a river / Journal of the Oceanographical Society of Japan 10 (2) : 60 ~ 64
5. [학술지(정기간행물)] - K. Takano / 1955 / A complementary note on the distribution of the seaward river flow off the mouth / Journal of the Oceanographical Society of Japan 11 (4) : 147 ~ 149
2. [학술지(정기간행물)] - M. E. Stern / 1982 / The intrusion of a density current along the coast of a ro-tating fluid / Journal of Fluid Mechanics 123 : 237 ~ 265
3. [학술지(정기간행물)] - R. W. Griffiths / 1981 / The stability of buoyancy-driven coastal currents / Dynamics of Atmospheres and Oceans 5 (4) : 281 ~ 306
4. [학술지(정기간행물)] - K. Takano / 1954 / On the velocity distribution off the mouth of a river / Journal of the Oceanographical Society of Japan 10 (2) : 60 ~ 64
5. [학술지(정기간행물)] - K. Takano / 1955 / A complementary note on the distribution of the seaward river flow off the mouth / Journal of the Oceanographical Society of Japan 11 (4) : 147 ~ 149
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UCI(KEPA) : I410-ECN-0101-2015-550-002661163