Table 1 Average water level and soil temperature of three areas of drainage States. “average water level during the growing season”, and “average soil temperature during the growing season” refers to the mean value of hourly water level and soil temperature data collected from May to October, respectively.
From: Impact of drainage on peatland soil environments and greenhouse gas emissions in Northeast China
Natural area | Transition area | Drained area | ||||||
|---|---|---|---|---|---|---|---|---|
S1 | S2 | S3 | S4 | S5 | S6 | |||
Location | 42°20’45"N 126°21’40"E | 42°20’52"N 126°21’42"E | 42°20’48"N 126°21’51"E | 42°20’50"N 126°22’01"E | 42°20’43"N 126°22’00"E | 42°20’52"N 126°22’14"E | ||
Monthly average water level (cm) | ||||||||
May | 3.00 ± 8.70 | 1.04 ± 10.32 | -14.62 ± 11.48 | 1.60 ± 4.04 | -6.73 ± 3.30 | -23.67 ± 5.53 | ||
June | 7.15 ± 9.69 | 5.69 ± 7.92 | 1.74 ± 4.50 | -1.75 ± 4.01 | -9.45 ± 7.57 | -17.35 ± 4.45 | ||
July | 7.77 ± 7.83 | 5.40 ± 6.83 | 2.04 ± 3.38 | -3.56 ± 2.77 | -6.79 ± 7.62 | -17.73 ± 3.25 | ||
August | 13.01 ± 6.02 | 12.06 ± 4.66 | 5.19 ± 3.95 | -0.10 ± 3.84 | -1.92 ± 7.50 | -14.37 ± 4.30 | ||
September | 21.69 ± 4.92 | 20.49 ± 4.44 | 13.53 ± 4.09 | 9.11 ± 4.32 | -7.69 ± 5.82 | -4.96 ± 4.44 | ||
October | 13.91 ± 4.04 | 16.39 ± 3.82 | 15.24 ± 3.73 | 12.48 ± 3.78 | -2.27 ± 4.96 | -5.29 ± 3.64 | ||
Average water level during the growing season (cm) | ||||||||
11.45 ± 9.16 a | 10.59 ± 9.27 b | 4.73 ± 10.65 c | 3.02 ± 7.08 d | -3.10 ± 8.53 e | -13.47 ± 7.84 f | |||
Monthly average soil temperature (℃) | ||||||||
May | 8.32 ± 2.85 | 3.75 ± 3.35 | 1.95 ± 2.39 | 1.61 ± 0.46 | -2.33 ± 0.49 | 2.31 ± 1.64 | ||
June | 12.08 ± 1.16 | 11.04 ± 0.68 | 8.94 ± 1.55 | 7.77 ± 1.85 | -6.04 ± 1.44 | 2.68 ± 0.62 | ||
July | 14.17 ± 0.78 | 12.39 ± 0.98 | 14.53 ± 3.14 | 13.44 ± 1.67 | -9.29 ± 1.31 | 7.82 ± 2.12 | ||
August | 16.02 ± 0.39 | 15.17 ± 0.37 | 18.17 ± 1.39 | 16.21 ± 0.78 | -12.90 ± 0.54 | 13.13 ± 0.54 | ||
September | 13.72 ± 1.43 | 13.59 ± 1.14 | 15.39 ± 1.84 | 13.75 ± 1.47 | -12.59 ± 0.62 | 12.66 ± 0.79 | ||
October | 8.97 ± 1.71 | 9.74 ± 1.37 | 9.55 ± 2.01 | 8.57 ± 1.88 | -9.35 ± 1.35 | 8.96 ± 1.46 | ||
Average soil temperature during the growing season (℃) | ||||||||
12.4 ± 3.11 a | 11.30 ± 3.70 b | 11.89 ± 5.46 c | 10.65 ± 4.83 d | 9.06 ± 3.64 e | 8.21 ± 4.39 f | |||