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back to ["River width computation"] [[BR]]

 * Model 1 : width ~ catchment_area
 * Model 2 : log(width) ~log(catchment_area)
 * Model 3 : log(width) ~ log(catchment_area) + uga
 * Model 4 : log(width)~ a*log(catchment area) + b*log(shreve index) +c

~~Other model~~ :[[BR]]
- Elvira model : model 4 with river >2nd order[[BR]]
Log10(Wet width + 1) = 0.22734+ 0.20045 (log10 catchment area) + 0.25939 (log 10 Shreve index)[[BR]]

- Thornton model : W = 4.98 CA0.47 [[BR]]

  *  Data extraction :
   * year > 1987  (RHP)
   * Period : april-october
   * complete sampling method
   * shreve >1