Hydrosedimentological dynamic on Água Fria Watershed

Alexandre Marco da Silva, Harry Edmar Schulz
2007 Brazilian Archives of Biology and Technology  
This study aimed surveying the amount of sediment yielded from the Água Fria watershed (Palmas, Tocantins, Brazil), from February-1998 to January-1999, and investigating the relations between the sediment yield and some environmental and/or antropic factors. The Colby's method was the technique employed for this investigation. The specific sediment yield and sediment delivery ratio were also determined for this period. It was estimated that 138,619 tons of sediment were yielded and the specific
more » ... ed and the specific sediment yield for the study area was 827 t km-2 y-1, while the sediment delivery ratio was 6.2%. The suspended load was the most dominating fraction in almost all the studied period.
doi:10.1590/s1516-89132007000500014 fatcat:viwa6xo4iffzjd5gajshbo2chm