http://reply.papertrans.cn/1/78/7781/7781-31.png
Submitted on: 03 September 2002.
Revised on: 29 September 2002.
Accepted on: 15 October 2002.
___________________Earth Systems and Environment---SPRINGER INT PUBL AG
http://reply.papertrans.cn/1/78/7781/7781-33.png
Submitted on: 16 March 2019.
Revised on: 12 June 2019.
Accepted on: 25 July 2019.
___________________Earth Systems and Environment---SPRINGER INT PUBL AG
http://reply.papertrans.cn/1/78/7781/7781-35.png
Submitted on: 08 April 2001.
Revised on: 13 May 2001.
Accepted on: 06 June 2001.
___________________Earth Systems and Environment---SPRINGER INT PUBL AG