freezing and thawing incubation experiment

November 11~16, 2005

start time of incubation at 4 degree
11/11/2005. 16:30
11/11/05 18:58:01.0
4 degree condition

1st flux measurement, 4 degree
covering lids : 11/12/2005, 11:00
gas sampling: 11/12/2005, 13:00 and 16:00
start soil freezing, - 4 degree
11/12/2005 16:30

2nd flux measurement, -4 degree
covering lids: 11/13/2005, 14:00
gas sampling : 11/13/2005, 16:00 and 19:00
CF 3-3, CF 4-3 : collected gas samples two tines at 16:00

3rd flux measurement, -4 degree
covering lids: 11/14/2005, 17:00
gas sampling: 11/14/2005, 19:00 and 22:00

4th flux measurement, 4 degree
covering lids: 11/15/2005, 11:00
gas sampling: 11/15/2005, 13:00 and 16:00

5th flux measurement. 4 degree
covering lids: 11/15/2005, 19:00
gas sampling : 11/15/2005, 20:00 and 23:00

6th flux measurement. 4 degree
covering lids: 11/16/2005, 16:00
gas sampling : 11/16/2005, 18:00 and 21:00

Fig. 1. Freezing incubation in the lab freezer (-10oC).