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한국학술지인용색인(NRF)
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지역해양수치모델(ROMS)을 이용하여 동해 및 울릉도-독도 해역의 해양순환을 모의하였다. 동해 3 km 격자 수치모델과 HYCOM 9 km 격자 자료를 사용하여 울릉도 1 km 격자 수치모델, 울릉도-독도 300 m 격자 수치모델들을 서로 단방향 둥지격자화 기법으로 구축하였다. 그 과정에서 상위모델과는 다른 수심 자료 및 내·외삽 방법에 의해 나타날 수 있는 개방 경계자료의 왜곡에 대한 보정방법을 제시하였다. 구축한 시스템을 이용하여, 2018년 울릉도-독도 지역에서 수평해상도가 300 m인 초고해상도 해양순환 모의 결과를 산출하였다. 초고해상도 수치모델은 같은 조건임에도 불구하고 초기장 및 개방 경계자료에 따라 서로 다른 특징이 나타났다. 따라서 수치모델 결과를 인공위성 고도계 자료로 추정한 유속 자료 및 국립수산과학원의 수온 관측자료를 사용하여 비교 검증하였다. 검증결과 HYCOM 자료를 경계장으로 사용한 둥지격자기법 결과는 1km 격자모델 보다 300 m 격자모델 결과에서 RMSE, Mean Bias, Pattern Correlation, Vector Correlation이 전반적으로 향상되었다. 그러나 동해 3 km 수치모델을 사용한 결과에서는 1 km 모델의 결과가 300 m 결과보다 우수하게 나타났다. 수온 수직단면도에서는 수평해상도가 고해상도일수록, 등온선의 골과 마루의 수직구조가 뚜렷해지는 경향이 나타났다. 또한 울릉도-독도 300 m 모델은 상위모델에서 재현되지 않았던 섬의 지형 효과에 따른 카르만 와열이 나타났다.
The ocean circulation was simulated in the East Sea and Ulleungdo-Dokdo region using ROMS (Regional Ocean Modeling System) model. By adopting the East Sea 3 km model and the HYCOM 9 km data, Ulleungdo 1 km model and Ulleungdo-Dokdo 300 m model were constructed with one-way grid nesting method. During the model development, a correction method was proposed for the distortion of the open boundary data which may be caused by the bathymetry data difference between the mother and child models and the interpolation/ extrapolation method. Using this model, a super-high resolution ocean circulation with a horizontal resolution of 300 m near the Ulleungdo and Dokdo region was simulated for year 2018. In spite of applying the same conditions except for the initial and boundary data, the numerical models result indicated significantly different characteristics in the study area. Therefore, these results were compared and verified by using the surface current data estimated by satellites altimeter data and temperature data from NIFS (National Institute of Fisheries Science). They suggest that in general, the improvement of the one-way grid nesting with the HYCOM data on RMSE, Mean Bias, Pattern correlation and Vector correlation is greater in 300 m model than in the 1 km model. However, the nesting results of using East Sea 3 km model showed that simulations of the 1 km model were better than 300 m model. The models better resolved distinct ridge/trough structures of isotherms in the vertical sections of water temperature when using the higher horizontal resolution. Furthermore, Karman vortex street was simulated in Ulleungdo-Dokdo 300 m model due to the terrain effect of th islands that was not shown in the Ulleungdo 1 km model.
The ocean circulation was simulated in the East Sea and Ulleungdo-Dokdo region using ROMS (Regional Ocean Modeling System) model. By adopting the East Sea 3 km model and the HYCOM 9 km data, Ulleungdo 1 km model and Ulleungdo-Dokdo 300 m model were constructed with one-way grid nesting method. During the model development, a correction method was proposed for the distortion of the open boundary data which may be caused by the bathymetry data difference between the mother and child models and the interpolation/ extrapolation method. Using this model, a super-high resolution ocean circulation with a horizontal resolution of 300 m near the Ulleungdo and Dokdo region was simulated for year 2018. In spite of applying the same conditions except for the initial and boundary data, the numerical models result indicated significantly different characteristics in the study area. Therefore, these results were compared and verified by using the surface current data estimated by satellites altimeter data and temperature data from NIFS (National Institute of Fisheries Science). They suggest that in general, the improvement of the one-way grid nesting with the HYCOM data on RMSE, Mean Bias, Pattern correlation and Vector correlation is greater in 300 m model than in the 1 km model. However, the nesting results of using East Sea 3 km model showed that simulations of the 1 km model were better than 300 m model. The models better resolved distinct ridge/trough structures of isotherms in the vertical sections of water temperature when using the higher horizontal resolution. Furthermore, Karman vortex street was simulated in Ulleungdo-Dokdo 300 m model due to the terrain effect of th islands that was not shown in the Ulleungdo 1 km model.
권호기사
참고문헌 (38건) : 자료제공( 네이버학술정보 )
| 번호 | 참고문헌 | 국회도서관 소장유무 |
|---|---|---|
| 1 | On the Warm Eddies in the Southwestern Part of the East Sea (the Japan Sea)  |
미소장 |
| 2 | Arakawa, A. and Lamb, V.R. (1977). Computational design of the basic dynamical processes of the UCLA general circulation model. Methods Comput. Phys., 17(1977), 174-267. | 미소장 |
| 3 | Baek, S.-H. and Kim, Y.-B. (2018). Influences of coastal upwelling and time lag on primary production in offshore waters of Ulleungdo-Dokdo during Spring 2016. Korean J. Environ. Biol., 36(2), 156-164 (in Korean). | 미소장 |
| 4 | Chang, K.-I., Kim, Y.-B., Suk, M.-S. and Byun, S.-K. (2002). Hydrography around Dokdo. Ocean Polar Res., 24, 369-389. | 미소장 |
| 5 | Chang, Y.S. (2015). Intercomparison of the global ocean reanalysis data. J. Korean Soc. Oceanogr., 20, 102-118 (in Korean). | 미소장 |
| 6 | Cho, Y.-K. and Kim. K. (1996). Seasonal variation of the East Korea Warm Current and its relation with the cold water. La mer, 34, 172-182. | 미소장 |
| 7 | Choi, B.-J., Cho, S.H., Jung, H.S., Lee, S.-H., Byun, D.-S. and Kwon, K. (2018). Interannual variation of surface circulation in the Japan/East Sea due to external forcings and intrinsic variability. Ocean Sci. J., 53(1), 1-16. | 미소장 |
| 8 | Egbert, G.D. and Erofeeva, S.Y. (2002). Efficient inverse modeling of barotropic ocean tides. J. Atmos. Ocean Tech., 19, 183-204. | 미소장 |
| 9 | Bulk parameterization of air‐sea fluxes for Tropical Ocean‐Global Atmosphere Coupled‐Ocean Atmosphere Response Experiment |
미소장 |
| 10 | Gordon, A.L., Giulivi, C.F., Lee, C.M., Furey, H.H., Bower, A. and Talley, L. (2002). Japan/East Sea Intra-thermocline eddies. J. Phys. Oceanogra., 32, 1960-1974. | 미소장 |
| 11 | Hyun, J.-H., Kim, D., Shin, C.-W., Noh, J.-H., Yang, E.-J., Mok, J.-S., Kim, S.-H., Kim, H.-C. and Yoo, S. (2009). Enhanced phytoplankton and bacterioplankton production coupled to coastal upwelling and an anticyclonic eddy in the Ulleung basin, East Sea. Aquat. Microb. Ecol., 54, 45-54. | 미소장 |
| 12 | Kang, H.-E. and Kang, Y.Q. (1990). Spatio-Temporal characteristics of the Ulleung Warm Lens. Bull. Korean Fish. Soc., 23(5), 407-415. | 미소장 |
| 13 | Kawabe, M. (1982). Branching of the Tsushima Current in the Japan Sea. Part I: Data analysis. J. Oceanogr. Soc. Japan, 38, 95-107. | 미소장 |
| 14 | Kim, A.-R., Youn, S.-H., Chung, M.-H., Yoon, S.-C. and Moon, C.-H. (2014). The influences of coastal upwelling on hytoplankton community in the Southern part of East Sea, Korea. J. Korean Soc. Oceanogr., 19, 287-301 (in Korean). | 미소장 |
| 15 | Characteristics of the East Sea (Japan Sea) circulation depending on surface heat flux and its effect on branching of the Tsushima Warm Current |
미소장 |
| 16 | Kim, J., Choi, B.-J., Lee, S.-H., Byun, D.-S. and Kang, B. (2019). Migration of the Dokdo Cold Eddy in the East Sea. J. Korean Soc. Oceanogr., 24(2), 351-373 (in Korean). | 미소장 |
| 17 | Kim, J.H., Eom, H.-M., Choi, J.-K., Lee, S.-M., Kim, Y.-H. and Chang, P.-H. (2015). Impacts of OSTIA sea surface temperature in regional ocean data assimilation system. J. Korean Soc. Oceanogr., 20(1), 1-15 (in Korean). | 미소장 |
| 18 | Kim, Y.H., Choi, B.-J., Lee, J.-S., Byun, D.-S., Kang, K, Kim, Y.-G. and Cho, Y.-K. (2013). Korean ocean forecasting system:Present and Future. J. Korean Soc. Oceanogr., 18(2), 89-103 (in Korean). | 미소장 |
| 19 | Oceanic vertical mixing: A review and a model with a nonlocal boundary layer parameterization |
미소장 |
| 20 | Lee, D.-K. and Niiler, P. (2005). The energetic surface circulation patterns of the Japan/East Sea. Deep-Sea Res. II, 52, 1547-1563. | 미소장 |
| 21 | Lee, D.-K. and Niiler, P. (2010). Eddies in the southwestern East/Japan Sea. Deep Sea Res. Part I, 57, 1233-1242. | 미소장 |
| 22 | Lee, J.-H., Kim, T.-H. and Moon, J.-H. (2016). Application of ROMS-NPZD coupled model for seasonal variability of nutrient and chlorophyll at surface layer in the Northwestern Pacific. Ocean and Polar Res., 38(1), 1-19 (in Korean). | 미소장 |
| 23 | Mitchell, D.A., Watts, D.R., Wimbush, M., Teague, W.J., Tracey, K.L., Book, J.W., Chang, K.-I., Suk, M.-S. and Yoon, J.-H. (2005a). Upper circulation patterns in the Ulleung Basin. Deep Sea Res. Part II, 52, 1617-1638. | 미소장 |
| 24 | Mitchell, D.A., Teague, W.J., Wimbush, M., Watts, D.R. and Sutyrin G.G. (2005b). The Dok Cold Eddy. J. Phys. Oceanogr., 35, 273-288. | 미소장 |
| 25 | Morimoto, A., Yanagi, T. and Kaneko, A. (2000). Eddy field in the Japan Sea derived from satellite altimetric data. J. Oceanogr., 56, 449-462. | 미소장 |
| 26 | Nof, D. (2001). China’s development could lead to bottom water formation in the Japan/East Sea. Bull. Am. Meteorol. Soc., 82(4), 609-618. | 미소장 |
| 27 | Seo, S.-N. (2008). Digital 30sec gridded bathymetric data of Korea marginal seas-KorBathy30s. J. Korean Soc. Coastal and Ocean Engin., 20(1), 110-120 (in Korean). | 미소장 |
| 28 | The regional oceanic modeling system (ROMS): a split-explicit, free-surface, topography-following-coordinate oceanic model |
미소장 |
| 29 | Shchepetkin, A.F. and McWilliams, J.C. (2009). Correction and commentary for “Ocean forecasting in Terrain-Following coordinates:Formulation and skill assessment of the regional ocean modeling system” by Haidvogel et al., J. Comput. Phys., 227, pp. 3595-3624. J. Comput. Phys., 228(24), 8985-9000. | 미소장 |
| 30 | Shin, H.-R., Shin, C.-W., Kim, C., Byun, C.-K. and Hwang, S.C. (2005). Movement and structural variation of warm eddy WE92for three years in the Western East/Japan Sea. Deep Sea Res. II, 52, 1742-1762. | 미소장 |
| 31 | Shin, H.-R., Kim, I., Kim, D., Kim, C.-H., Kang, B. and Lee, E. (2019). Physical characteristics and classification of the Ulleung Warm Eddy in the East Sea (Japan Sea). J. Korean Soc. Oceanogr., 24(2), 298-317 (in Korean). | 미소장 |
| 32 | Song, Y. and Haidvogel, D. (1994). A semi-implicit ocean circulation model using a generalized topography-following coordinate system. J. Comput. Phys., 115(1), 228-244. | 미소장 |
| 33 | A General Pressure Gradient Formulation for Ocean Models. Part II: Energy, Momentum, and Bottom Torque Consistency |
미소장 |
| 34 | Vector correlation |
미소장 |
| 35 | Suda, K. and Hidaka, K. (1932). The results of simultaneous oceanographical investigation in the Japan sea in summer, 1929. J. Oceanogr., 3, 291-375. | 미소장 |
| 36 | Uda, M. (1934). The results of simultaneous oceanographical investigations in the Japan Sea and its adjacent waters in May and June, 1932. J. Imp. Fish. Exp. Stn., 5, 57-190. | 미소장 |
| 37 | Wyrtki, K., Magaard, L. and Hager, J. (1976). Eddy energy in the oceans. Journal of Geophys. Res., 81, 2641-2646. | 미소장 |
| 38 | Yoon, J.-H. (1982). Numerical experiment on the circulation in the Japan Sea, Part II: Influence of seasonal variations in atmospheric conditions on the Tsushima Current. J. Oceanogr. Soc. Japan, 38, 81-94. | 미소장 |
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