如何实现便捷、及时、准确、低成本、高效率的工作是提升预报业务的关键问题之一。结合宁夏地市级预报预测业务系统的特点和要求,讨论了基于Delphi和SQL的宁夏地市级预报预测业务系统的开发,通过实现用户界面、应用程序与SQL Server 200...如何实现便捷、及时、准确、低成本、高效率的工作是提升预报业务的关键问题之一。结合宁夏地市级预报预测业务系统的特点和要求,讨论了基于Delphi和SQL的宁夏地市级预报预测业务系统的开发,通过实现用户界面、应用程序与SQL Server 2000数据库的相互独立,提高了宁夏地市级预报预测业务系统的高效性、可维护性和数据完整性。展开更多
In this paper,the synoptic-climatology of Meiyn in East Asia is discussed.It is proposed that the location of the rain band of Meiyu is stable from the viewpoint of climatology,even though the active (wet) and break...In this paper,the synoptic-climatology of Meiyn in East Asia is discussed.It is proposed that the location of the rain band of Meiyu is stable from the viewpoint of climatology,even though the active (wet) and break (dry) Meiyu are influenced by synoptic systems.The duration and the onset and retreat dates of Meiyu exhibit tremendous interannual variabilities,and thus,they are almost unpredictable in seasonal climate prediction.The Meiyu has been used as a synoptic concept and applied to the operational forecast for many decades by meteorological agencies in East Asian countries.As a result,the prediction of the onset and retreat dates of Meiyu has become an important operational work for meteorological services.This has also misled the public's and scientists' attention.The northward propagation of the East Asian summer monsoon (EASM) surge associated with the intraseasonal oscillation is closely related to the active and break Meiyu.The activities and propagation of the EASM surge modulate the active/break Meiyu that cause concentrative severe precipitation processes and floods or droughts; hence,the authors suggest changing the current forecasting methodology of Meiyu.It is more meaningful from the scientific as well as application viewpoints to establish the monitoring and forecasting of the EASM surge to replace the current operational forecast of Meiyu after the seasonal progress enters the climatological Meiyu period in a year.展开更多
文摘如何实现便捷、及时、准确、低成本、高效率的工作是提升预报业务的关键问题之一。结合宁夏地市级预报预测业务系统的特点和要求,讨论了基于Delphi和SQL的宁夏地市级预报预测业务系统的开发,通过实现用户界面、应用程序与SQL Server 2000数据库的相互独立,提高了宁夏地市级预报预测业务系统的高效性、可维护性和数据完整性。
基金supported by the National Basic Research Program of China(2012CB417205)Open Fund of State Key Laboratory of Severe Weather,Chinese Academy of Meteorological Sciences(2012LASW-A02)Basic Research Fund of Chinese Academy of Meteorological Sciences(2010Z001)
文摘In this paper,the synoptic-climatology of Meiyn in East Asia is discussed.It is proposed that the location of the rain band of Meiyu is stable from the viewpoint of climatology,even though the active (wet) and break (dry) Meiyu are influenced by synoptic systems.The duration and the onset and retreat dates of Meiyu exhibit tremendous interannual variabilities,and thus,they are almost unpredictable in seasonal climate prediction.The Meiyu has been used as a synoptic concept and applied to the operational forecast for many decades by meteorological agencies in East Asian countries.As a result,the prediction of the onset and retreat dates of Meiyu has become an important operational work for meteorological services.This has also misled the public's and scientists' attention.The northward propagation of the East Asian summer monsoon (EASM) surge associated with the intraseasonal oscillation is closely related to the active and break Meiyu.The activities and propagation of the EASM surge modulate the active/break Meiyu that cause concentrative severe precipitation processes and floods or droughts; hence,the authors suggest changing the current forecasting methodology of Meiyu.It is more meaningful from the scientific as well as application viewpoints to establish the monitoring and forecasting of the EASM surge to replace the current operational forecast of Meiyu after the seasonal progress enters the climatological Meiyu period in a year.