Table 2 |
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|
Spatial explanatory data sets evaluated in logistic regression models. |
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| Explanatory variable |
Description |
Method |
Data scale |
layers |
|
|
||||
| Slope |
Slope |
DEM analysis |
ratio |
1 layer |
| Aspect |
Aspect |
DEM analysis |
ratio |
1 layer |
| Land Cover |
Vegetation/land use |
Supervised classification of ETM data |
nominal |
1 layer, 3 classes |
| Distance |
Distance of sampling point from water line at sampling date |
DEM simulation, spatial queries |
ratio |
21 layers for each field sampling date |
| Shoreline index |
Reservoir margin shape: relation of water and soil pixels |
DEM simulation, convolution filter, overlay, spatial query |
ratio |
21 layers for each field sampling date |
|
|
||||
|
Zeilhofer et al. International Journal of Health Geographics 2007 6:7 doi:10.1186/1476-072X-6-7 |
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