Related by context. Frequent words. (Click for all words.) 57 ENSO 57 El Ninos 55 hydrological cycle 55 sunspot activity 55 atmospheric circulation 52 decadal 52 storminess 52 aerosol particles 52 climatological 51 North Atlantic Oscillation 51 streamflow 51 Climatic 51 Medieval Warm Period 51 equatorial Pacific 50 mid latitudes 50 oxygen isotopes 50 Little Ice Age 49 equatorial regions 49 subtropical regions 49 atmospheric chemistry 48 isotopic 48 continental drift 48 irradiance 48 ocean currents 47 hotter summers 47 crustal 47 interglacial 47 Climatology 47 greenhouse warming 47 polar caps 47 equinoxes 47 sunspots 47 El Niño 47 cosmic microwave background 47 variability 47 plate tectonics 46 glacial melt 46 glacier melt 46 albedo 46 monsoon rainfall 46 terrestrial ecosystems 46 La Nina 46 atmospheric CO2 46 Droughts 46 geomagnetic 46 Variability 46 anthropogenic 46 troposphere 46 lithosphere 46 geomagnetic field 46 oscillation 46 evapotranspiration 45 Landsea 45 temperate regions 45 epochs 45 El Nino 45 atmospheric 45 La Niña 45 El Nino phenomenon 45 sediment cores 45 Holocene 45 nitrogen fixation 45 Sunspots 45 landmasses 45 glaciation 45 temperature gradient 45 precipitation 45 synoptic 45 Temperature 45 tectonics 44 abundances 44 auroral 44 Precipitation 44 Serreze 44 CO2 concentrations 44 occultation 44 Pliocene 44 periodicity 44 Climatologists 44 equatorial 44 radioactive decay 44 volcanism 44 perturbations 44 tide gauges 44 stratospheric ozone 43 Soil moisture 43 lake sediments 43 arid regions 43 temperate zones 43 anthropogenic climate 43 latitudes 43 patterns 43 Quaternary 43 dynamical 43 temperature humidity 43 soil moisture 43 climatologists 43 upwelling 43 radiative 43 Brownian motion 43 amplitudes