Citing and method overview#
When using a method implemented in xDEM, one should cite both the package and the original study behind the method (if there is any)!
Citing xDEM#
Method overview#
For citation and other purposes, here’s an overview of all methods implemented in the package and their reference, if it exists. More details are available on each feature page!
Terrain attributes#
Method |
Reference |
---|---|
Slope, aspect and hillshade |
|
Curvatures |
|
Topographic position index |
|
Terrain ruggedness index |
|
Roughness |
|
Rugosity |
|
Fractal roughness |
Coregistration#
Method |
Reference |
---|---|
Nuth and Kääb |
|
Dh minimization |
N/A |
Iterative closest point |
|
Vertical shift |
N/A |
Bias-correction#
Method |
Reference |
---|---|
Deramp |
N/A |
Directional bias (sum of sinuoids) |
|
Directional bias (other) |
N/A |
Terrain bias (maximum curvature) |
|
Terrain bias (elevation) |
|
Terrain bias (other) |
N/A |
Vertical shift |
N/A |
Gap-filling#
Method |
Reference |
---|---|
Bilinear |
N/A |
Local and regional hypsometric |
Uncertainty analysis#
Method |
Reference |
---|---|
R2009 (multiple correlation ranges, circular approximation) |
|
H2022 (heteroscedasticity, multiple correlation ranges, spatial propagation approximation) |