高层切断冷涡和7504号台风(Ora)相互作用的数值模拟
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摘要: 笔者曾利用FSU区域数值模式控制高层冷涡位置和不同的水平、垂直结构分布,模拟了冷涡对台风运动的影响,证实了高层冷涡是通过改变台风中心周围的环流结构来影响台风运动的。这种影响可从总涡度倾向的分布来决定,并发现涡度水平平流和散度项对总涡度倾向有重要贡献。
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Bao C et a1.A study on the relationship between the rotation of binary typhoons and steering current. A dvances in Atm os. Sci, 1986, 3(1):115-124 Fiorino M and R L ElsberrY. Some aspects of vortex structure related to tropical cyclone motion.J, Atmos, Sci, 1989, 46, 975-990 Chan J C-L and W M Gray. Tropical cyclone movement and surrounding flow relationship.Mon. Wea.Rev.,1982, 110, 1354-1389 Bohra A K, M C Sinha, A Kumar, J Shengand,T N Krishnamurti.A Documentation of the FSU Regional Prediction M odel.Florida State University, Tallahassee, 1986, 253 -
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