Table 2.
Soil temperature (T) and volumetric soil moisture contents (M) for 0–10, 20–30, and 40–50 depth increments in the control and heated plots that were averaged over a year before the start of the warming treatment and for 6 months after the start of the treatment
| Soil depth (cm) | Variable | Pretreatment (~1 year) | Treatment (~6 months) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Control | Heated | Control | Heated | ||||||
| Mean ± SE | Range | Mean ± SE | Range | Mean ± SE | Range | Mean ± SE | Range | ||
| 0–10 | T (°C) | 24.3 ± 0.08 | 9.15 | 24.3 ± 0.07 | 8.90 | 23.1 ± 0.06 | 8.22 | 26.4 ± 0.32 | 10.31 |
| 20–30 | T (°C) | 25.1 ± 0.01 | 3.05 | 25.3 ± 0.01 | 3.36 | 23.6 ± 0.02 | 4.22 | 26.5 ± 0.02 | 5.16 |
| 40–50 | T (°C) | 25.1 ± 0.01 | 2.56 | 25.2 ± 0.01 | 2.78 | 23.7 ± 0.02 | 3.53 | 26.3 ± 0.02 | 4.11 |
| 0–10 | M (m3/m3) | 0.32 ± 0.0004 | 0.27 | 0.36 ± 0.0006 | 0.27 | 0.35 ± 0.0008 | 0.26 | 0.35 ± 0.001 | 0.28 |
| 20–30 | M (m3/m3) | 0.43 ± 0.0002 | 0.08 | 0.42 ± 0.0003 | 0.11 | 0.44 ± 0.0003 | 0.10 | 0.40 ± 0.0004 | 0.13 |
| 40–50 | M (m3/m3) | 0.42 ± 0.0003 | 0.11 | 0.40 ± 0.0004 | 0.13 | 0.42 ± 0.0003 | 0.12 | 0.39 ± 0.0004 | 0.14 |