transform
This function transforms an excess rainfall event to a direct runoff hydorgraph.
# S3 method for base
transform(rainfall,
transformParams,
Area,simulation,UH,
transformMethod)
an object inherited from loss
function
a list: list of parameters associated to the selcted type of transformMethod
:Tlag
for "SCS"
and Ct
, Cp
, L
, and Lc
other for "snyder"
the area of drainage basin (Km^2)
a vector of simulation interval (in second) and time steps (an integer)
a data.frame: must be provided when transformMethod
is set to "user"
. UH
is the ordinates of a user defined UH by the which its first collumn is time (Hr) and the second collumn includes flow rates (cms)
a string: the type of transformation method. available types: "SCS"
, "snyder"
, and "user"
Hydrogaph of direct runoff