卡尔曼滤波方法在动力延伸 预报产品释用中的应用 穆海振 徐家良 提 要 根据月时间尺度上的降水与大气环流之间的关系,利用国家气候中心T63模式动力延伸预报产品,应用卡尔曼滤波方法对月时间尺度上降水进行了预测试验。结果表明该种模式动力产品释用方案在短期气候预测中具有较好的应用前景。 关键词: 卡尔曼滤波 动力延伸预报 短期气候预测 Application of Kalman Filter Method to Reexplanation and Reanalysis of Dynamical Extended Range Forecast Products Mu Haizhen Xu Jialiang (Shanghai Climate Center, Shanghai 200030) Abstract According to the relationship between monthly rainfall and monthly general circulation and making use of dynamical extended range forecast products of National Climate Center′s T63 model,Kalman filter method was applied to attempt the monthly rainfall prediction.The result indicates that reexplanation and reanalysis of model dynamical products in this way have a good applied prospect in short-range climatic prediction. Key Words:Kalman filter dynamical extended range forecast short-range climatic prediction 本文由国家“九五”攻关项目96-908-05-06子专题资助 穆海振(上海气候中心, 200030) 徐家良(上海气候中心, 200030) 参考文献 1,陆如华,徐传玉,张玲等.卡尔曼滤波的初值计算方法及其应用.应用气象学报,1997,8(1):34~40. 2,李维京,陈丽娟.动力延伸预报产品释用方法的研究.气象学报,1999,57(3):338~345. 3,陈桂英,赵振国.短期气候预测评估方法和业务初估.应用气象学报,1998,9(2):178~185[:D][:D]
|