SAGA-GIS Tool Library Documentation (v8.4.1)

Tool Upslope Area (interactive)

This tool allows you to specify target cells, for which the upslope contributing area shall be identified. The result will give for each cell the percentage of its flow that reaches the target cell(s).
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Interactive version (left mouse clicks will trigger the calculation for the selected cell).


References


Parameters

 NameTypeIdentifierDescriptionConstraints
InputElevationGrid, inputELEVATION--
Sink Routes (*)Grid, input, optionalSINKROUTE--
OutputUpslope AreaGrid, outputAREA--
OptionsGrid SystemGrid systemPARAMETERS_GRID_SYSTEM--
MethodChoiceMETHOD-Available Choices:
[0] Deterministic 8
[1] Deterministic Infinity
[2] Multiple Flow Direction
[3] Multiple Triangular Flow Directon
[4] Multiple Maximum Downslope Gradient Based Flow Directon
Default: 2
ConvergenceFloating pointCONVERGEConvergence factor for Multiple Flow Direction Algorithm (Freeman 1991). Applies also to the Multiple Triangular Flow Directon Algorithm.Minimum: 0.001000
Default: 1.100000
Contour LengthBooleanMFD_CONTOURInclude (pseudo) contour length as additional weighting factor in multiple flow direction routing, reduces flow to diagonal neighbour cells by a factor of 0.71 (s. Quinn et al. 1991 for details).Default: 0
(*) optional

Command-line

this interactive tool can not be executed.