THE DYNAMICS OF MAINTAINING THE TROPICAL CYCLONE 9012 AFTER ITS LANDING  

作　　者：梁力 吴志伟 严光华 

出　　处：《Journal of Tropical Meteorology》1996年第1期35-45,共11页热带气象学报（英文版）

摘　　要：Using 2. 5 ×2. 5 winds and pressure grid data, the angular momentum budgets are studied in this paper for TC 9012 (Yancy) which was kept active 65 hours after land fall. It is found that the inland TC 9012 moved into the center of a relatively stable saddle, in which large amount of humid air was entrained into the storm from the southerly jet at low level to bund up the energy of latent heat, the weak cold air coming from the north provided it with baroclinic energy, while the vorticity transfer of geostrophic angular momentum on the radius 4°-8°from the cyclone center at upper troposphere and the input of cyclonic angular momentum produced by the βterm are immediate factors maintaining the central pressure and maximum winds.ＴＨＥＤＹＮＡＭＩＣＳＯＦＭＡＩＮＴＡＩＮＩＮＧＴＨＥＴＲＯＰＩＣＡＬＣＹＣＬＯＮＥ９０１２ＡＦＴＥＲＩＴＳＬＡＮＤＩＮＧ￥ＬｉａｎｇＬｉ，ＷｕＺｈｉｗｅｉ（ＭｅｔｅｏｒｏｌｏｇｉｃａｌＩｎｓｔｉｔｕｔｅｏｆＦｕｊｉａｎＰｒｏｖｉｎｃｅ，Ｆｕｚｈｏｕ...

关 键 词：long maintenance ANGULAR MOMENTUM transport SPIN-UP or SPIN-DOWN 

分 类 号：P444[天文地球—大气科学及气象学]