TABLE 1.
Sampling dates and temperatures recorded in air and in lysimeters during the field study
| Date | No. of days | Soil dry wt (%) | Air temp (°C) | Soil temp (°C)a
|
Leachate temp (°C) | Leachate vol (liters) | |
|---|---|---|---|---|---|---|---|
| Surface | Bottom | ||||||
| 4 July 1997 | 0 | 91.2 | 5 | 8 | 10 | 3 | 0 |
| 26 July 1997 | 22 | 88.1 | 12 | 15 | 16 | 10 | 13 |
| 26 August 1997 | 53 | 88.8 | 15 | 21 | 23 | 14 | 6–8 |
| 22 September 1997 | 78 | 97.4 | 4 | 11 | 13 | 4 | 6–7 |
| 5 June 1998 | 336 | 91.2 | 10 | 22 | 20 | 9 | 20 |
| 4 July 1998 | 365 | 88.4 | 8 | 15 | 10 | 4 | 20 |
| 27 July 1998 | 388 | 91.0 | 2 | 8 | 10 | 1 | 5–6 |
| 12 August 1998 | 404 | 99.0 | 18 | 20 | 24 | 15 | 3 |
| 28 August 1998b | 420 | 89.1 | −1 | 0 | 1 | 0 | 10 |
| 24 September 1998b | 447 | 84.2 | 4 | 9 | 11 | 2 | 15 |
| 2 July 1999 | 697 | 92.1 | 7 | 5.5 | 17 | 6 | >20 |
| 23 September 1999 | 780 | 88.4 | 6 | 3 | 3 | 3 | >20 |
a
The soil temperature was measured at the surface and at the bottom (depth, 10 cm) of each lysimeter.
b
There were snow cover on the soil and ice cover on the leachates.