Classification
UMV - Climatic change
GRB - Climatology
9
GRAD - Earth atmosphere, weather
7
UMB - Atmospheric chemistry
7
UCA - Environmental problems, man and environment - general aspects
5
GBC - Paleoclimatology
4
GRA - Meteorology
3
GRBN - Climatological models
3
GSC - Remote sensing
2
UKA - Environmental damage and energy production
2
UMC - Atmospheric physics
2
UMD - Atmospheric models
2
GBA - General geology, historical geology
1
GPAB - Flora, vegetation - geographical aspects
1
GRAH - Cloud physics
1
GRAK - Atmospheric precipitations
1
GRAN - Wind
1
GRBA - Climatology - general
1
GRBK - Climatological data
1
LCL - Biotopes, ecosystems
1
LCM - Terrestrial ecology
1
LER - Plant physiology - ecological aspects
1
LWE - Agriculture - general aspects
1
LWV - Agriculture - plant protection
1
UAA - Environment - reference books
1
UAM - Environmental models
1
UAN - Environment - mathematical methods, computer applications
1
UCE - Environmental impact, environmental pollution
1
UED - Environmental policy
1
UMA - Atmospheric sciences
1
UPK - Water resources, water supply
1