Table 1 Peat thickness (PT) measurement statistics for the Bengkalis and Kubu Raya study areas

Number of PT measurements > 0.5 m

219

180

Number of PT measurements > 3 m

170

100

Average PT (m)

4.79

3.45

Standard deviation PT (m)

2.17

1.60

Average PB (m +MSL)

0.41

0.30

Standard deviation PB (m)

0.90

0.55

Number of PT measurements > 0.5 m with PB below 0 m +MSL (%)

81 (37.0%)

52 (28.9%)

Number of PT measurements > 0.5 m with PB below 1.5 m +MSL (%)

198 (90.4%)

177 (98.3%)

Number of PT measurements > 0.5 m with PB below 2 m _MSL (%)

216 (98.6%)

179 (99.4%)

Number of PT measurements > 0.5 m within 0.5 m of average PB (%)

72 (32.9%)

109 (60.6%)

Number of PT measurements > 0.5 m within 1 m of average PB (%)

160 (73.1%)

168 (93.3%)

Number of PT measurements > 3 m within 1 m of average PB (%)

128 (75.3%)

92 (92.0%)