Module Lake Flood
This module can be used to flood a digital elevation model from seed points. Seed points have to be coded either with local water depth or absolute water level.
- Author: Volker Wichmann (c) 2005-2010
- Menu: Terrain Analysis|Hydrology|Miscellaneous
Parameters
| | Name | Type | Identifier | Description | Constraints |
|---|
| Input | DEM | Grid (input) | ELEV | digital elevation model | - |
| Seeds | Grid (input) | SEEDS | seed cells coded with local water depth or absolute water level, all other cells NoData | - |
| Output | Lake | Grid (output) | OUTDEPTH | extent of lake, coded with water depth | - |
| Surface | Grid (output) | OUTLEVEL | Flooded digital elevation model | - |
| Options | Grid system | Grid system | PARAMETERS_GRID_SYSTEM | Grid system | - |
| Absolute Water Levels | Boolean | LEVEL | check this in case seed cells are coded with absolute water level | Default: 0 |
Command-line
Usage: saga_cmd ta_hydrology 16 [-ELEV <str>] [-SEEDS <str>] [-LEVEL <str>] [-OUTDEPTH <str>] [-OUTLEVEL <str>]
-ELEV:<str> DEM
Grid (input)
-SEEDS:<str> Seeds
Grid (input)
-LEVEL:<str> Absolute Water Levels
Boolean
Default: 0
-OUTDEPTH:<str> Lake
Grid (output)
-OUTLEVEL:<str> Surface
Grid (output)