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permafrost
river
3
Hydraulic engineering
2
TC1-978
2
TD201-500
2
Water supply for domestic and industrial purposes
2
carbon
2
landscape
2
metals
2
nutrients
2
trace elements
2
Siberia
1
ammonium
1
boreal
1
nitrate
1
organic matter
1
phosphate
1
phosphorus
1
river flux
1
trace element
1
watershed
1
weathering
1
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