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@InProceedings{PradoNovo:2003:GIApMa,
               author = "Prado, Rachel Bardy and Novo, Evlyn M{\'a}rcia Le{\~a}o de 
                         Moraes",
          affiliation = "Espaciais, Instituto Nacional de Pesquisas and Embrapa",
                title = "GIS application to map watershed physical features contributing to 
                         reservoir water quality",
            booktitle = "Proceedings...",
                 year = "2003",
         organization = "IEEE International Geoscience and Remote Sensing Symposium, 
                         (IGARSS).",
            publisher = "IEEE",
              address = "Piscataway",
             keywords = "Non -point pollution,reservoir,watershed, features,GIS, drainage, 
                         rainfall distribution, kriging, Barra Bonita reservoir.",
             abstract = "The eutrophication process in aquatic systems may be caused by 
                         point and non -point pollution sources. The latter is hard to be 
                         quantified and determined.I this framework,new methods using the 
                         advances in geotechnologies can represent a powerful tool to 
                         improve the estimates of non-point sources.This paper proposes the 
                         integration of watershed physical variables using the GIS 
                         technology as a tool to improve non -poi t load estimates into 
                         aquatic ecosystems. Barra Bonita reservoir watershed was selected 
                         as test site.The georreferenced database includes the following 
                         layers:drainage density,sub basin limits,distance from sub basins 
                         to the reservoir and rainfall distribution.Based uponthose 
                         variables the potential non-point pollution for each basin are 
                         computed using a multi-criteria decision technique.In the next 
                         step of the research,these data will be integrated to a model that 
                         estimates the potential pollutant export rates taking into account 
                         the various degrees of human interference in the reservoir 
                         drainage basin.",
  conference-location = "Toulouse, France",
      conference-year = "21-25 July 2003",
           copyholder = "SID/SCD",
            isbn/issn = "0-7803-7929",
             language = "en",
         organisation = "IEEE",
        urlaccessdate = "29 mar. 2024"
}


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