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Bicarbonate ion
7
Calcium
7
Chloride
Magnesium
7
Sample ID
Sodium and potassium ions
7
Yamal Peninsula
pH
Pollen
6
Sulfate
6
Total dissolved solids
6
polygonal landscapes
6
spores
6
DEPTH
5
Iron
5
northwestern Siberia
5
sediment/rock
5
Belyy Island
4
Belyy_Island
4
cryopegs
4
highly mineralized ice wedges
4
soil temperature changes
4
Sample comment
3
Sample type
3
Chloride/sulfate ratio
2
Ice wedges
2
Location
2
Russia
2
Tambey River
2
Yamal-Nenets
2
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