According to Figure 3, at Sites 1, 2, and 3, the smallest 8180 value of the groundwater in the lake clay was recorded at a depth between:
see Figure 1).
rapped in lake
Ements were
ill) and bedrock
of the top 40 m
of 2 oxygen
werage
O O m and 10 m.
O 10 m and 20 m.
O 20 m and 30 m.
O 30 m and 40 m.