Submitted on: 16 May 2000.
Revised on: 08 July 2000.
Accepted on: 28 August 2000.
___________________Cryosphere---COPERNICUS GESELLSCHAFT MBH
Submitted on: 07 August 2023.
Revised on: 24 November 2023.
Accepted on: 31 December 2023.
___________________Cryosphere---COPERNICUS GESELLSCHAFT MBH
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Submitted on: 11 March 2003.
Revised on: 02 May 2003.
Accepted on: 05 June 2003.
___________________Cryosphere---COPERNICUS GESELLSCHAFT MBH
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Submitted on: 04 December 2009.
Revised on: 26 January 2010.
Accepted on: 10 March 2010.
___________________Cryosphere---COPERNICUS GESELLSCHAFT MBH
http://reply.papertrans.cn/1/68/6707/6707-29.png
Submitted on: 07 June 2004.
Revised on: 07 July 2004.
Accepted on: 03 August 2004.
___________________Cryosphere---COPERNICUS GESELLSCHAFT MBH