Classification
GRB - Climatology
107
UMV - Climatic change
54
GRA - Meteorology
30
GBC - Paleoclimatology
25
GRBA - Climatology - general
24
GRBK - Climatological data
21
GRBN - Climatological models
14
GRAD - Earth atmosphere, weather
13
GAN - Geosciences - mathematical methods, computer applications
11
LCM - Terrestrial ecology
11
GVA - Oceanography
7
LWE - Agriculture - general aspects
7
LWV - Agriculture - plant protection
7
YRC - Technology and society
6
GBED - Glaciology
4
GRAN - Wind
4
GUAA - Geography - physical
4
UMD - Atmospheric models
4
AEX - Universities, academies - non-Europe
3
GBAH - Stratigraphy, history of earth
3
GXAA - Polar research - arctic region
3
UHP - Protection of nature and landscape
3
AHXB - Archaeology
2
GBA - General geology, historical geology
2
GBAK - Paleontology
2
GKA - Geophysics - general
2
GPA - Geobiology - general
2
GTA - Hydrology - general
2
GUA - Geography - general
2
LCMC - Plants - ecology
2
PAD - Physics - comprehensive works
2
UAN - Environment - mathematical methods, computer applications
2
UCA - Environmental problems, man and environment - general aspects
2
UCJ - Environmental protection - general aspects
2
UHC - Area planning and environment
2
UMC - Atmospheric physics
2
AES - Universities, academies - Germany
1
AHA - Research and development, research politics - general
1
AHM - Theory of science
1
DYB - Neural networks and computing
1
GBAA - Geology - textbooks
1
GBE - Geology - endogene processes, exogene processes
1
GBEC - Geomorphology
1
GBEE - Isotope geology
1
GBH - Marine geology
1
GCA - Regional geology
1
GCAB - Regional geology - european countries
1
GKK - Geophysics - applications
1
GNA - Geology - soil sciences
1
GSC - Remote sensing
1
more ...