Elevation |
elev |
455–2555m |
Elevation of 30m pixel |
[33] |
Slope |
slope |
0.75–62.15 degrees |
Local slope at 30m resolution |
[33] |
Ruggedness Index |
rugged |
4.24–157.46m |
Terrain heterogeneity over a 3x3 cell neighborhood using a 90m DEM |
[37] |
Sine Aspect/ Cosine Aspect |
sin.asp/ cos.asp |
-1.00–1.00 |
E-W and N-S transformation of aspect at 30m resolution |
[33] |
Beers Aspect |
Beers |
0–2.00 |
SW-NE transformation of aspect at 30m resolution |
[33] |
Curvature 30m |
curve30 |
-7.9–8.45 |
Combined across and along slope curvature, using a 30m pixel and 3x3 cell window |
[33] |
Curvature 90m |
curve90 |
-3.3–4.04 |
Combined curvature, using a 90m pixel and 3x3 cell window |
[33] |
Local scale topographic position index |
tpi3.10 |
-90.93–120.75m |
Average difference in elevation between a focal cell and neighborhood defined using an annulus of inner radius 90m and outer radius 300m |
[35] |
Intermediate scale topographic position index |
tpi10.34 |
-271.77–345.8 m |
TPI using an annulus of inner radius 300m and outer radius 1020m |
[35] |
Landscape scale topographic position index |
tpi10.67 |
-384.3–508.76 m |
TPI using an annulus of inner radius 300m and outer radius 2010m |
[35] |
TCI 30m |
tci30 |
0–366 |
Topographic convergence index using a 30m pixel |
[36] |
TCI 60m |
tci60 |
-0.03–13.21 |
Topographic convergence index using a 60m pixel |
[36] |
TCI 90m |
tci90 |
-0.56–11.02 |
Topographic convergence index using a 90m pixel |
[36] |
Distance to coast |
coast.dist |
25.27–174.11 km |
Euclidean distance to coast line |
|
Solar radiation |
solar |
0.15–0.44 MJ/cm2/yr |
Potential annual direct solar radiation based on latitude, slope and aspect. |
[34] |
Max. temperature warmest month |
max.tmp |
19–33°C |
|
[38] |
Min. temperature |
min.tmp |
4.1–20.5°C |
Min. temperature in coldest month |
[38] |
Annual temperature range |
anntmprng |
10.5–18.2°C |
|
[38] |
Temperature seasonality |
tmp.seas |
891–1783 |
Temperature seasonality (standard deviation of temperature over the year*100) |
[38] |
Mean temperature dry quarter |
meantmp.dry |
11.9–25.5°C |
Mean temp from Jan-Mar |
[38] |
Mean temperature warm quarter |
meantmp.warm |
13.9–27.5°C |
Mean temp from Mar-May |
[38] |
Mean temperature cold quarter |
meantmp.cold |
11.2–24.3°C |
Mean temp from Nov-Jan |
[38] |
Annual precipitation |
annprec |
754–6080 mm |
Mean annual precipitation |
[38] |
Precipitation CV |
prec.cv |
50–140 |
Precipitation seasonality (coefficient of variation based on monthly precipitation values) |
[38] |
Warm quarter precipitation |
warm.prec |
165–893 mm |
Avg. precipitation from Mar-May |
[38] |
Dry quarter precipitation |
dry.prec |
7–138 mm |
Precipitation from Jan-Mar |
[38] |