| Description: |
Topographic wetness index (index) |
| Short Name: |
substrate_twi |
| Metadata contact organization: |
CSIRO Ecosystem Sciences |
| Organisation role: |
|
| Metadata date: |
2010-07 |
| Reference date: |
|
| Resource constraints: |
- Licence level: 1
- Licence info:
|
| Licence notes: |
Permission required to re-distribute derivative works. Please contact Dr. Kristen Williams - kristen.williams@csiro.au |
| Type: |
Environmental (gridded) 0.01 degree (~1km)
|
| Classification: |
Substrate
⇒ Moisture
|
| Units: |
dimensionless |
| Data language: |
eng |
| Scope: |
|
| Notes: |
Maximum of the Topographic Wetness Index (TWI) values in each 36 second grid cell. TWI was calculated as ln(a/tan �) where a is the upslope area per unit contour length and tan � is the local slope (dimensionless), computed by Stein (2008). |
| Keywords: |
soil, slope, water |
| More information: |
http://spatial.ala.org.au/geonetwork/srv/en/metadata.show?uuid=1b2f5963-cfe8-40ec-a0f0-6d0b16271825
|
| View in spatial portal : |
Click to view this layer
|