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    STUDIA GEOGRAPHIA - Issue no. 1 / 2010  
         
  Article:   CALCULATION OF THE MAXIMUM RUNOFF VOLUME INDUCED BY TORRENTIAL RAINFALLS THROUGH THE G.I.S SCS-CN METHOD. CASE STUDY: THE SMALL HYDROGRAPHIC BASINS IN THE SOUTH AND WEST OF THE SOMEŞAN PLATEAU.

Authors:  ŞT. BILAŞCO.
 
       
         
  Abstract:  

Calculation of the Maximum Runoff Volume Induced by Torrential Rainfalls through the G.I.S Scs-Cn Method. Case Study: The Small Hydrographic Basins in the South and West of the Someşan Plateau. The SCS-CN hydrological mathematical model was developed by the Natural Resources Conservation Service (NRCS, also known as Soil Conservation Service SCS) with the purpose of providing users with procedures of computing maximal volumes of surface runoff for torrential rainfalls in a certain territory or hydrographic basin, the main input elements in the model being the factors that play the major role in the process rainfall-runoff: soil and land use type. The model has been applied on small hydrographic basins, as this type of catching area is extremely susceptible to catastrophic flashfloods occurring. The present paper points out the criteria to establish the hydrographic basins to be analyzed as well as the way the model could be applied to them, the main scientific aim standing in calculating the surfaces corresponding to the maximal runoff volumes in case of probable maximum rainfalls.

 

 

Keywords: Model, GIS, small hydrographic basin, maximum intensity, maximum volume.
 
         
     
         
         
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