Samarkin et al.: Studies of Methane Production and Emission
331
Figure 1: Distribution of patterned grounds, Lake Levinson Lessing (74°N, 98°E).
Methane concentrations in pore water
Pore water samples (10 ml) were taken in 5 cm steps from the active layer, drawn into a prevacuumated glass tube (27 ml, Bellco Glass Co.) and immediately analyzed, using headspace
331
Figure 1: Distribution of patterned grounds, Lake Levinson Lessing (74°N, 98°E).
Methane concentrations in pore water
Pore water samples (10 ml) were taken in 5 cm steps from the active layer, drawn into a prevacuumated glass tube (27 ml, Bellco Glass Co.) and immediately analyzed, using headspace