Classification
GRA - Meteorology
249
GRB - Climatology
39
UMC - Atmospheric physics
22
GRAD - Earth atmosphere, weather
20
GVA - Oceanography
12
GAN - Geosciences - mathematical methods, computer applications
10
GRAN - Wind
10
GKA - Geophysics - general
9
UMV - Climatic change
8
UMB - Atmospheric chemistry
5
UMD - Atmospheric models
5
GBA - General geology, historical geology
4
GPA - Geobiology - general
4
GRBK - Climatological data
4
PLA - Astrosciences - general
4
UA - Environment - general
4
UCG - Control of environmental pollution
4
GAA - Geosciences - reference books
3
GRBN - Climatological models
3
GSC - Remote sensing
3
GXA - Polar research - general
3
AES - Universities, academies - Germany
2
GBE - Geology - endogene processes, exogene processes
2
GBH - Marine geology
2
GKAA - Earth crust, earth mantle, earth core
2
GMA - Geochemistry - general
2
GRAH - Cloud physics
2
GRAK - Atmospheric precipitations
2
GTA - Hydrology - general
2
LWE - Agriculture - general aspects
2
THQ - Fluid mechanics and dynamics
2
UHC - Area planning and environment
2
UMA - Atmospheric sciences
2
UMN - Air pollution control and measurement
2
UPVN - Ocean water, coastal waters
2
UXA - Environmental radioactivity
2
ALH - Works of scientists and Nobel prize winners
1
GBHC - Ocean floor - sediments, morphology
1
GCAA - Regional geology - Germany
1
GHM - Sedimentary rocks
1
GKK - Geophysics - applications
1
GKKC - Geoelectric methods
1
GMAC - Isotope geochemistry
1
GNA - Geology - soil sciences
1
GRBA - Climatology - general
1
GTAP - Hydrological investigation methods
1
GUA - Geography - general
1
GWBA - Raw material resources, raw material reserves
1
GXAB - Polar research - antarctic region
1
LAL - Biology - general aspects
1
more ...