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. 2014 Sep 8;111(40):E4204–E4213. doi: 10.1073/pnas.1409785111

Table 1.

Modeled forest structure parameters and specific pollutant removal for the 405-ha reforestation project

Phase 1 (DBH < 12.7 cm) Phase 2 (DBH ≥ 12.8 cm)
Forest structure parameter
 Number of trees 502,698 94,440
 Average DBH (cm) 7.6 25.4
 Average tree height (m) 7.8 15.9
 Average crown height (m) 3.1 6.4
 Average crown width (m) 3.0 7.1
UFORE modeled forest structure
 Average LAI 3.17 3.42
 Total leaf area (m2) 1,861,620 2,298,500
UFORE modeled air quality effects—Pollution removal
 NO2 (g/m2 crown area/y) 0.579 0.600
 O3 (g/m2 crown area/y) 3.116 3.194

Modeling phases: 1—tree establishment (years 1–10) and 2—maturity (years 11–30).