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Table 1 Potential overestimation bias for charred woody detritus (WD) particles by size class.

From: Quantifying Char in Postfire Woody Detritus Inventories

 

Timelag class1 (h)

Quadratic mean diameter2 (cm)

Fractional mass loss due to charring

Overestimation of mass (%) (Equation 2)

Fine WD

1

0.31

0.70

233

10

1.37

0.70

233

100

4.22

0.47

89

Coarse WD

1000

15.3

0.14

17

>1000

38.7

0.06

6.2

  1. 11 h, 0 cm to 0.62 cm diameter; 10 h, 0.63 cm to 2.54 cm; 100 h, 2.55 cm to 7.62 cm; 1000 h, 7.63 cm to 20.32 cm; >1000 h, >20.32 cm.
  2. 2Quadratic mean diameters are composite conifer values (see Brown 1974, Harmon and Sexton 1996).