Related by context. Frequent words. (Click for all words.) 65 ENSO 64 decadal 62 atmospheric circulation 59 climatological 59 El Ninos 58 El Niño 58 tropical cyclones 57 Landsea 57 sunspot activity 56 glaciation 56 interglacial 56 volcanism 56 La Niña 56 crustal 55 mid latitudes 55 equatorial Pacific 54 La Nina 54 atmospheric chemistry 54 greenhouse warming 54 El Nino 54 geologic 54 El Nino phenomenon 53 plate tectonics 53 ICESat 53 lithosphere 52 lake sediments 52 nitrogen fixation 52 sunspots 52 climatology 52 oceanic 52 atmospheric CO2 51 glacial melt 51 ocean currents 51 synoptic 51 atmospheric carbon dioxide 51 climatic 51 vertical wind shear 51 Little Ice Age 51 Pliocene 51 species extinctions 51 North Atlantic Oscillation 51 stratospheric ozone 50 equatorial regions 50 Quaternary 50 convective 50 sediment cores 50 oscillation 50 perturbations 50 aerosol particles 50 magmatic 50 geologically active 50 upwelling 49 streamflow 49 oscillations 49 perturbation 49 Computer simulations 49 geomagnetic 49 atmospheric 49 World Meteorological Organization 49 ozone depletion 49 monsoonal 49 mass extinctions 49 dynamical 49 variability 49 seismicity 49 Late Cretaceous 49 periodicity 49 cyclic 49 troposphere 49 World Meteorological Organisation 48 evapotranspiration 48 polar caps 48 WMO 48 Holocene 48 Geophysical Research 48 subtropical regions 48 Medieval Warm Period 48 equatorial 48 tectonics 48 abundances 48 geomagnetic field 48 anthropogenic 48 Envisat 48 albedo 48 precipitation 48 auroral 48 phytoplankton 48 isotopic 48 CO2 concentrations 48 mountain glaciers 47 landforms 47 substorms 47 tropics 47 latitudes 47 hydrological 47 polar regions 47 nucleation 47 radiative 47 cirrus clouds 47 Climatology 47 eruptive