Topics
Hydroelectric power plants
Hydrology
Dams
5
Water resources development
4
Environmental aspects
3
Climate
2
Estimates
2
Ice mechanics
2
Ice on rivers, lakes, etc
2
Licenses
2
Planning
2
Power utilization
2
Research
2
Temperature
2
Animals
1
Ecology
1
Environmental conditions
1
Fishes
1
Stream measurements
1