Articles | Volume 11, issue 6 
            
                
                    
                    
            
            
            
        https://doi.org/10.5194/hess-11-1797-2007
                    © Author(s) 2007. This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.
                 
 
             
             
             
            