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Bicarbonate ion
8
Chloride/sulfate ratio
Sample ID
8
pH
Ice wedges
6
Sodium and potassium ions
6
Total dissolved solids
6
Calcium
4
Chloride
4
Late Pleistocene
4
Magnesium
4
Pollen
4
Russia
4
Sample comment
4
Soil type
4
Sulfate
4
Tambey River
4
Yamal Peninsula
4
geochemical conditions
4
permafrost
4
polygonal landscapes
4
radiocarbon
4
soil temperature
4
spores
4
DEPTH
3
DEPTH, sediment/rock
3
Yamal-Nenets
3
sediment/rock
3
Calcium cation
2
Calcium ion
2
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