Skip to main content

Table 4 Descriptions of the selected landscape metrics.

From: Quantifying how urban landscape heterogeneity affects land surface temperature at multiple scales

Category Metric Equation Range
Area and Edge
  PLAND C1(TB10 − TB11) 0 ≤ PLAND ≤ 100
TE eik TE ≥ 0, without limit.
ED \( \frac{\sum {e}_{ik}}{A}(10000) \) 0 ≤ ED, no limit
Shape PAFRAC \( \frac{\frac{2}{\left[\left(\sum \mathit{\ln}{p}_{ij}-\mathit{\ln}{a}_{ij}\right)\right]-\left[\left(\sum \mathit{\ln}{p}_{ij}\right)\left(\sum \mathit{\ln}{a}_{ij}\right)\right]}}{\left(\sum \mathit{\ln}{p}_{ij}^2\right)-\left(\sum \mathit{\ln}{p}_{ij}\right)} \) 1 ≤ PAFRAC ≤ 2
Aggregation LSI \( \frac{0.25\sum {e}_{ik}}{\sqrt{A}} \) 1 ≤ LSI, no limit
  SPLIT \( \frac{A^2}{\sum {A}_{ij}^2} \) 1 ≤ SPLIT ≤ number of cells in the landscape area squared
  NP ni NP ≥ 1, without limit
  PD \( \frac{n_i}{A}(10000)(100) \) PD > 0, constrained by cell size