1. 毕业设计(论文)主要目标:
1.能够很好的分析此次飑线过程的天气背景,分析此次过程的大尺度背景场。
2.利用雷达资料,结合观测资料找出此次过程中的中气旋位置以及其发展消亡的过程。
3.能用WRF较好的模拟此次过程,利用模式资料分析中气旋的发生发展机制,以及其对近地面大风的作用。2. 毕业设计(论文)主要内容:
1.探讨2013年7月6日-7日发生在江苏附近地区的一次飑线发生的天气背景,过程概况。结合雷达资料,找出该过程中的中气旋位置,分析中气旋的发生发展过程。
2.利用WRF实现对该过程的模拟,比较模拟结果与实测数据之间的异同,探讨模拟效果。
3.在较好模拟的前提下,利用模式资料,分析弓状回波中中气旋的发生机制以及其与近地面大风的关系。3. 主要参考文献
[1] Atkins, N. T., J. M. Arnott, R. W. Przybylinski, R. A. Wolf, and B. D. Ketcham, 2004: Vortex structure and evolution within bow echoes. Part I: Single-Doppler and damage analysis of the 29 June 1998 derecho. Mon. Wea. Rev., 132, 2224–2242.
[2] Atkins, N. T., and R. W. Przybylinski, 2000: Radar and damage analysis of the 27 May 2000 tornadic derecho event. Preprints,21st Conf. on Severe Local Storms, San Antonio, TX, Amer. Meteor. Soc., 567–570.
[3] Xu, X., M. Xue, and Y. Wang, 2015: Mesovortices within the 8 May 2009 Bow Echo over Central US: Analyses of the Characteristics and Evolution Based on Doppler Radar Observations and a High-Resolution Model Simulation. Mon.Wea. Rev. doi:10.1175/MWR-D-14-00234.1, in press.
[4] Trapp, R. J., and M. L. Weisman, 2003: Low-level mesovortices within squall lines and bow echoes. Part II: Their genesis and implications. Mon. Wea. Rev., 131, 2804–2823.
[5] Atkins, N. T., and M. St. Laurent, 2009a: Bow echo mesovortices. Part I: Processes that influence their damaging potential. Mon. Wea. Rev., 137, 1497–1513.
[6] Atkins, N. T., and M. St. Laurent, 2009b: Bow echo mesovortices. Part II: Their genesis. Mon.Wea. Rev., 137, 1514–1532 .
[7] Wakimoto, R. M., H. V. Murphey, C. A. Davis, and N. T. Atkins, 2006b: High winds generated by bow echoes. Part II: The relationship between the mesovortices and damaging straight line winds. Mon. Wea. Rev., 134, 2813–2829.
[8] Wheatley D. M., and R. J. Trapp, 2008: The effect of mesoscale heterogeneity on the genesis and structure of mesovortices within quasi-linear convective systems. Mon. Wea. Rev., 136, 4220–4241.
[23] Morales, A., R. Schumacher, and S. Kreidenweis, 2015: Mesoscale vortex development during extreme precipitation: Colorado, September 2013. Mon. Wea. Rev. doi:10.1175/MWR-D-15-0086.1 , in press.
|
以上是毕业论文任务书,课题毕业论文、开题报告、外文翻译、程序设计、图纸设计等资料可联系客服协助查找。