Tool Diffuse Pollution Risk
Diffuse Pollution Risk Mapping.
This tool tries to reproduce in parts the methodology of the SCIMAP - Diffuse Pollution Risk Mapping - Framework.
References
- SCIMAP - Diffuse Pollution Risk Mapping-Framework
- Lane, S.N.; Brookes, C.J.; Kirkby, M.J.; Holden, J. (2004): A network-index-based version of TOPMODEL for use with high-resolution digital topographic data. In: Hydrological processes. Vol. 18, S. 191-201.
- Milledge, D.G.; Lane, N.S.; Heathwait, A.L.; Reaney, S.M. (2012): A monte carlo approach to the invers problem of diffuse pollution risk in agricultural catchments. In: Science of the Total Environment. Vol. 433, S. 434-449.
- Author: Cosima Berger, Olaf Conrad (c) 2014
- Menu: Simulation|Hydrology
Parameters
| Name | Type | Identifier | Description | Constraints |
Input | Elevation | Grid, input | DEM | - | - |
Channel Network (*) | Grid, input, optional | CHANNEL | - | - |
Land Cover Weights (*) | Grid, input, optional | WEIGHT | - | - |
Rainfall (*) | Grid, input, optional | RAIN | - | - |
Output | Delivery Index | Grid, output | DELIVERY | - | - |
Locational Risk | Grid, output | RISK_POINT | - | - |
Diffuse Pollution Risk | Grid, output | RISK_DIFFUSE | - | - |
Options | Grid System | Grid system | PARAMETERS_GRID_SYSTEM | - | - |
Default | Floating point | WEIGHT_DEFAULT | default value if no grid has been selected | Minimum: 0.000000 Default: 1.000000 |
Default | Floating point | RAIN_DEFAULT | default value if no grid has been selected | Minimum: 0.000000 Default: 500.000000 |
Flow Routing | Choice | METHOD | - | Available Choices: [0] D8 [1] MFD Default: 1 |
Channel Initiation Threshold | Integer | CHANNEL_START | minimum number of upslope contributing cells to start a channel | Minimum: 1 Default: 150 |
(*) optional |
Command-line
Usage: saga_cmd sim_hydrology 4 [-DEM <str>] [-CHANNEL <str>] [-WEIGHT <str>] [-WEIGHT_DEFAULT <double>] [-RAIN <str>] [-RAIN_DEFAULT <double>] [-DELIVERY <str>] [-RISK_POINT <str>] [-RISK_DIFFUSE <str>] [-METHOD <str>] [-CHANNEL_START <num>]
-DEM:<str> Elevation
Grid, input
-CHANNEL:<str> Channel Network
Grid, input, optional
-WEIGHT:<str> Land Cover Weights
Grid, input, optional
-WEIGHT_DEFAULT:<double> Default
Floating point
Minimum: 0.000000
Default: 1.000000
-RAIN:<str> Rainfall
Grid, input, optional
-RAIN_DEFAULT:<double> Default
Floating point
Minimum: 0.000000
Default: 500.000000
-DELIVERY:<str> Delivery Index
Grid, output
-RISK_POINT:<str> Locational Risk
Grid, output
-RISK_DIFFUSE:<str> Diffuse Pollution Risk
Grid, output
-METHOD:<str> Flow Routing
Choice
Available Choices:
[0] D8
[1] MFD
Default: 1
-CHANNEL_START:<num> Channel Initiation Threshold
Integer
Minimum: 1
Default: 150