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Environmental sciences
3
GE1-350
thermokarst
2
Environmental engineering
1
Environmental technology. Sanitary engineering
1
Geology
1
Physics
1
Q
1
QC1-999
1
QE1-996.5
1
Science
1
TA170-171
1
TD1-1066
1
carbon dioxide
1
ice-wedge polygons
1
methane
1
permafrost
1
permafrost erosion
1
shrubification
1
snow cover
1
subarctic
1
tundra ponds
1
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