Accumulation Functions grid_analysis ParameterRaster|SURFACE|Surface|False ParameterRaster|INPUT|Input|False ParameterRaster|STATE_IN|State t|True ParameterRaster|CONTROL|Operation Control|True ParameterRaster|CTRL_LINEAR|Linear Flow Control Grid|True OutputRaster|FLUX|Flux OutputRaster|STATE_OUT|State t + 1 ParameterSelection|OPERATION|Operation|[0] accuflux;[1] accucapacityflux / state;[2] accufractionflux / state;[3] accuthresholdflux / state;[4] accutriggerflux / state| 0 ParameterBoolean|LINEAR|Switch to Linear Flow|True ParameterNumber|THRES_LINEAR|Threshold Linear Flow|None|None| 0.000000