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Table 2 Ranges of bulk Richardson number (\(R_\mathrm{B}\)) encompassed by the four defined stability classes

From: Could Crop Height Affect the Wind Resource at Agriculturally Productive Wind Farm Sites?

Stability classes Ranges Occurrences
Convective (unstable) \(R_\mathrm{B} < {-}0.05\) 1536 (34 %)
Near-neutral \({-}0.05 \le R_\mathrm{B} < 0.05\) 565 (13 %)
Stable \(0.05 \le R_\mathrm{B} < 0.3\) 1465 (33 %)
Very stable \(0.3 \le R_\mathrm{B}\) 899 (20 %)
  1. Also provided is the number of times each stability class was simulated by the model at the wind farm