302
Land-Ocean SYstems in the Siberian Arctic: Dynamics and History
r Automatic weather station
.A Sampling point
1 km
lope I
Soulh-WeSI
Gl'eywackc
Vegelalion 50·60%
IA
Mean Ihaw deplh of ,clive
layer: 0.7 m: 11=19
Slope 2
SOlllh·West
Carbonate
Vogel.lion 5·20%
Mean Ihaw deplh of aClive layer.
0.8 In: 11=16
~i
:Z""
Slope J ~Q'
Nonh.E.,I'
3A
Basa ll
Vegetal ion 100%
3B
1~:~(
SIope2 ~
I
I
o
100m
Vertical exaggeralion 2: I
Mean Ihaw deplh of ac tive layer: 0.5 m: 11=24
2D
Figure 2. Detailed map of the intensive study area . The box marks the position of the area in the LevinsonLessing basin.
layer in Siberia (Boike et aI., 1997). A complete cycle of the active layer thaw-freeze processes
is shown in Figure 3. In May, liquid water comprised between 3 to 9 % of the frozen soil
volume even at -12 ooc. This fraction increased with increasing soil temperatures in the frozen
Land-Ocean SYstems in the Siberian Arctic: Dynamics and History
r Automatic weather station
.A Sampling point
1 km
lope I
Soulh-WeSI
Gl'eywackc
Vegelalion 50·60%
IA
Mean Ihaw deplh of ,clive
layer: 0.7 m: 11=19
Slope 2
SOlllh·West
Carbonate
Vogel.lion 5·20%
Mean Ihaw deplh of aClive layer.
0.8 In: 11=16
~i
:Z""
Slope J ~Q'
Nonh.E.,I'
3A
Basa ll
Vegetal ion 100%
3B
1~:~(
SIope2 ~
I
I
o
100m
Vertical exaggeralion 2: I
Mean Ihaw deplh of ac tive layer: 0.5 m: 11=24
2D
Figure 2. Detailed map of the intensive study area . The box marks the position of the area in the LevinsonLessing basin.
layer in Siberia (Boike et aI., 1997). A complete cycle of the active layer thaw-freeze processes
is shown in Figure 3. In May, liquid water comprised between 3 to 9 % of the frozen soil
volume even at -12 ooc. This fraction increased with increasing soil temperatures in the frozen