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Submitted on: 20 July 2002.
Revised on: 04 September 2002.
Accepted on: 02 October 2002.
___________________Earth Systems and Environment---SPRINGER INT PUBL AG
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Submitted on: 26 June 2013.
Revised on: 15 September 2013.
Accepted on: 26 October 2013.
___________________Earth Systems and Environment---SPRINGER INT PUBL AG
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Submitted on: 17 December 2012.
Revised on: 04 April 2013.
Accepted on: 01 June 2013.
___________________Earth Systems and Environment---SPRINGER INT PUBL AG
Submitted on: 11 November 2005.
Revised on: 08 January 2006.
Accepted on: 19 February 2006.
___________________Earth Systems and Environment---SPRINGER INT PUBL AG
Submitted on: 17 January 2010.
Revised on: 09 March 2010.
Accepted on: 25 April 2010.
___________________Earth Systems and Environment---SPRINGER INT PUBL AG
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