以WRF(weather research forecasting)模式模拟了登陆后再入海0713号台风韦帕,同时考虑了中纬度过程不变与过程时变的各类SST海温场对模拟效果的作用。试验中重点分析热力影响因子[即模式的两种微物理方案LIN(Purdue Lin scheme)、WSM6(...以WRF(weather research forecasting)模式模拟了登陆后再入海0713号台风韦帕,同时考虑了中纬度过程不变与过程时变的各类SST海温场对模拟效果的作用。试验中重点分析热力影响因子[即模式的两种微物理方案LIN(Purdue Lin scheme)、WSM6(WRF single-moment 6-class scheme)]以及动力影响因子(即模式的台风BOGUS模型)对各类SST海温场的反应。分别并综合研究了热力、动力、及海温因子对再入海台风的路径及强度模拟所产生的影响。多项成组试验显示,台风过程时变的SST场的使用能够更好地诊断和模拟台风区海气相互作用并改善对再入海台风路径与强度的预测。对0713号台风模拟而言,微物理过程WSM6方案给出的结果(包括路径、气压、风力、以及感热和潜热等要素)比LIN方案更好。采用BOGUS模型对再入海台风的路径模拟有较明显改善。在台风再入海阶段,模拟的海气界面感热通量与潜热通量分布显示,正的感热通量高值区为台风生存提供能量,并对台风移动有较好的指示性;台风潜热通量高值区位于台风风力辐合增强区,此处潜热高值区与台风结构配合,对入海台风活动的持续有正贡献。而过程时变的SST场的使用对台风预测是有利的,其中6h时变的SST较日平均SST效果更显著。展开更多
In China,the primary energy bases and the energyrequirement areas are mismatched,which presents theremote and reverse distribution characteristics,and thelarge-scale power flow is from the west to the cast andfrom the...In China,the primary energy bases and the energyrequirement areas are mismatched,which presents theremote and reverse distribution characteristics,and thelarge-scale power flow is from the west to the cast andfrom the north to the south.In this paper,according tothe above characteristics and the power flow pattern,thelarge-scale,high-efficiency and long-distance UHVACand UHVDC combined transmission scheme is investi-gated and proposed,and the development mode ofChina's power grid and the planning scheme of‘NorthChina-Central China-East China'synchronous UHV gridwhich can satisfy the healthy and sustainabledevelopment of China's economy and society is proposedand optimized.展开更多
文摘以WRF(weather research forecasting)模式模拟了登陆后再入海0713号台风韦帕,同时考虑了中纬度过程不变与过程时变的各类SST海温场对模拟效果的作用。试验中重点分析热力影响因子[即模式的两种微物理方案LIN(Purdue Lin scheme)、WSM6(WRF single-moment 6-class scheme)]以及动力影响因子(即模式的台风BOGUS模型)对各类SST海温场的反应。分别并综合研究了热力、动力、及海温因子对再入海台风的路径及强度模拟所产生的影响。多项成组试验显示,台风过程时变的SST场的使用能够更好地诊断和模拟台风区海气相互作用并改善对再入海台风路径与强度的预测。对0713号台风模拟而言,微物理过程WSM6方案给出的结果(包括路径、气压、风力、以及感热和潜热等要素)比LIN方案更好。采用BOGUS模型对再入海台风的路径模拟有较明显改善。在台风再入海阶段,模拟的海气界面感热通量与潜热通量分布显示,正的感热通量高值区为台风生存提供能量,并对台风移动有较好的指示性;台风潜热通量高值区位于台风风力辐合增强区,此处潜热高值区与台风结构配合,对入海台风活动的持续有正贡献。而过程时变的SST场的使用对台风预测是有利的,其中6h时变的SST较日平均SST效果更显著。
文摘In China,the primary energy bases and the energyrequirement areas are mismatched,which presents theremote and reverse distribution characteristics,and thelarge-scale power flow is from the west to the cast andfrom the north to the south.In this paper,according tothe above characteristics and the power flow pattern,thelarge-scale,high-efficiency and long-distance UHVACand UHVDC combined transmission scheme is investi-gated and proposed,and the development mode ofChina's power grid and the planning scheme of‘NorthChina-Central China-East China'synchronous UHV gridwhich can satisfy the healthy and sustainabledevelopment of China's economy and society is proposedand optimized.
