Submitted on: 14 February 2001.
Revised on: 16 March 2001.
Accepted on: 27 April 2001.
___________________Asia-Pacific Journal of Atmospheric Sciences
http://reply.papertrans.cn/1/29/2862/2862-22.png
http://reply.papertrans.cn/1/29/2862/2862-23.png
http://reply.papertrans.cn/1/29/2862/2862-24.png
http://reply.papertrans.cn/1/29/2862/2862-25.png
http://reply.papertrans.cn/1/29/2862/2862-26.png
http://reply.papertrans.cn/1/29/2862/2862-27.png
http://reply.papertrans.cn/1/29/2862/2862-28.png
Submitted on: 10 December 2005.
Revised on: 08 January 2006.
Accepted on: 18 February 2006.
___________________Asia-Pacific Journal of Atmospheric Sciences
Submitted on: 16 June 2007.
Revised on: 18 August 2007.
Accepted on: 01 October 2007.
___________________Asia-Pacific Journal of Atmospheric Sciences