TAILIEUCHUNG - Nghiên cứu độ nhạy của sơ đồ tham số vật lý trong mô hình khí hậu khu vực đối với mô phỏng hoạt động của xoáy thuận nhiệt đới trên Tây Bắc Thái Bình Dương và Biển Đông

Nghiên cứu này khảo độ nhạy củ các sơ đồ tham số hóa vật lý trong hai mô hình động lực khu vực clWRF (the climate Weather Research and Forecast) và RegCM (the Regional Climate Model) cho việc mô phỏng xoáy thuận nhiệt đới (XTNĐ) trên khu vực Tây Bắc Thái Bình Dương và Biển Đông. | VNU Journal of Science Earth and Environmental Sciences Vol. 36 No. 3 2020 25-36 Original Article A study on the Sensitivity of Parameterizations for Regional Climate models in the Simulation of Tropical Cyclones over Western Pacific Ocean and East Sea Pham Quang Nam1 Tran Quang Duc1 Le Lan Phuong2 Hoang Danh Huy1 Pham Thanh Ha1 Phan Van Tan1 1 VNU University of Science 334 Nguyen Trai Hanoi Vietnam 2 National Central University 300 Zhongda Road Taoyuan Taiwan Received 20 February 2020 Revised 02 May 2020 Accepted 07 May 2020 Abstract This study investigates the sensitivity of physical parameterization schemes in two regional dynamic models clWRF the climate Weather Research and Forecasting and RegCM the Regional Climate Model in the simulation of tropical cyclones TCs over Western Pacific Ocean and East Sea. The experiments include 12-cases for clWRF model and 6-cases for RegCM model were conducted to run the simulation with the same domain parameters resolution 25 km. Results show that the clWRF can simulate TCs well with the Betts-Miller-Janjic convection scheme and WSM6 microphysics in which convection schemes are more influential and the RegCM is with the Kain-Fritsch convection scheme and Zeng oceanic flux. Regarding the number of TCs simulation most of them are higher than observed and CFSnl Climate Forecast System analysis data therein the RegCM is higher than the clWRF. Keywords parameterizations regional models tropical cyclones Western Pacific Ocean East Sea. ________ Corresponding author. E-mail address tranquangduc@ https 2588-1094 25 26 . Nam et al. VNU Journal of Science Earth and Environmental Sciences Vol. 36 No. 3 2020 25-36 Nghiên cứu độ nhạy của sơ đồ tham số hóa vật lý trong mô hình khí hậu khu vực đối với mô phỏng hoạt động của xoáy thuận nhiệt đới trên Tây Bắc Thái Bình Dương và Biển Đông Phạm Quang Nam1 Trần Quang Đức1 Lê Lan Phương2 Hoàng Danh Huy1 Phạm Thanh Hà1 Phan Văn Tân1 1 .

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