Aihe-ehdotuksia
Aihe-ehdotuksia
Geography
Physical geography
230
Geology
164
Hydraulic engineering
116
Geographical information systems
98
Remote sensing
90
Regional planning
84
Environmental sciences
83
Meteorology
80
Geographic information systems
77
Climatic changes
73
Oceanography
73
Ecology
68
Mathematical geography
65
Life sciences
63
Geochemistry
50
Environmental management
46
Mineralogy
41
Study and teaching
39
Sedimentology
38
Economics
35
Sustainable development
33
Engineering geology
32
Mines and mineral resources
30
Human geography
29
Regional economics
29
Social sciences
29
Geosciences
26
Data processing
24
Astrophysics
23
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