Convergence index |
CI |
Convergence index/divergence in relation to flow |
Cross sectional curvature |
CSC |
Measure curvature perpendicular to slope direction |
Digital elevation model |
DEM |
Represents the elevation in each cell of the model |
Diurnal anisotropic heating |
DAH |
Continuous exposure-dependent energy measurement |
Flow line curvature |
FLC |
Represents the projection of a gradient line on a horizontal plane |
General curvature |
GC |
The combination of plane and profile bends |
Geomorphons |
GEO |
Associated geometry using machine vision approach |
Hill |
HI |
Analytical choline shading |
Hill index |
HIINDEX |
Analytical index choline shading |
Longitudinal curvature |
LC |
Scares curvature in the direction of the slope |
Mass balance index |
MBI |
Balance index between erosion and deposition |
Maximal curvature |
MAXC |
Maximum curvature in the local normal section |
Morphometric Protection Index |
MPI |
Exposure/protection measure of a surrounding relief point |
Mid-slope position |
MSP |
Represents the distance from top to valley, ranging from 0 to 1 |
Minimal curvature |
MINC |
Minimum curvature for local normal section |
Multiresolution index of ridge top flatness |
MRRTF |
Indicates flat positions in high-altitude areas |
Multiresolution index of valley bottom flatness |
MRVBF |
Indicates flat surfaces at the bottom of the valley |
Normalized height |
NH |
Vertical distance between the base and the ridge of the normalized slope |
Plan curvature |
PLANC |
Described as the curvature of the hypothetical contour line that passes through a specific cell |
Profile curvature |
PROC |
Describes the curvature of the surface in the direction of the steepest slope |
Real surface area |
RSA |
Actual calculation of cell area |
Slope |
S |
Represents local angular slope |
Slope height |
SH |
Vertical distance between the base and the ridge of the slope |
Slope Index |
SI |
Represents a local angular slope index |
Solrad Diffuse1 |
SolDiffuse1 |
Diffuse heatstroke for January |
Solrad Diffuse2 |
SolDiffuse2 |
Diffuse heatstroke for July |
Solrad dur 1 |
SolDur1 |
Duration of heat stroke for January |
Solrad dur 2 |
SolDur2 |
Duration of Heat stroke for July |
Solrad Direct1 |
SolDiret1 |
Direct heat stroke in January |
Solrad Direct2 |
SolDiret2 |
Direct heat stroke in July |
Solrad Ration1 |
SolRation1 |
The ratio between Direct Heat stroke and Diffuse Heatstroke in January |
Solrad Ration2 |
SolRation2 |
The ratio between Direct Heat stroke and Diffuse Insolation in July |
Solrad Sunrise1 |
SolSunrise1 |
Average sunrise time for January |
Solrad Sunrise2 |
SolSunrise2 |
Average sunrise time of July |
Solrad Sunset1 |
SolSunset1 |
Average sunset time of January |
Solrad Sunset2 |
SolSunset2 |
Average sunset time in July |
Solrad total1 |
SolTotal1 |
Total insolation for the month of January |
Solrad total2 |
SolTotal2 |
Total insolation for the month of July |
Standardized height |
STANH |
Vertical distance between the base and the standardized slope index |
Surface specific points |
SSP |
Indicates differences between specific surface offset points |
Tangencial curvature |
TANC |
Measured in the normal plane in a direction perpendicular to the gradient |
Terrain attribute |
Abbreviation |
Brief description |
Terrain ruggedness index |
TRI |
Quantitative index of topographic heterogeneity |
Terrain surface convexity |
V |
The ratio between the number of cells that have positive curvature and the number of all valid cells within a specified search radius |
Terrain surface texture |
TST |
Divide surface texture into 8, 12, or 16 classes |
Total curvature |
TC |
General measurement of surface curvature |
Topographic position index |
TPI |
Difference between the elevation of the point A and the surrounding elevation |
Valley depth |
VD |
Calculation of vertical distance at the level of the drainage base |
Valley |
VA |
Nebulous valley of calculation using the Cartola approach |
Valley Index |
VA |
Calculation of Diffuse valley index using the Cartola approach |
Vector ruggedness measure |
VRM |
Roughness of the terrain |
Topographic wetness index |
TWI |
Describes the tendency of each cell to accumulate water as a function of relief |