Tool Lake Flood
This tool 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 | - | - |
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