Related by context. Frequent words. (Click for all words.) 77 ENSO 66 equatorial Pacific Ocean 66 La Niña 63 La Nina 63 atmospheric circulation 61 El Niño 60 North Atlantic Oscillation 60 El Nino 59 El Nino phenomenon 59 Arctic Oscillation 59 equatorial Pacific 59 El Ninos 58 El Nino warming 57 Younger Dryas 57 hydrological cycle 56 terrestrial ecosystems 56 decadal 54 convective 54 storminess 54 climatological 54 interglacial 54 tropical cyclones 54 dynamical 53 ITCZ 53 phenology 53 Little Ice Age 53 oscillation 53 coral bleaching 53 greenhouse warming 53 volcanism 53 subtropical regions 53 mid latitudes 52 sunspot activity 52 Climatic 52 monsoonal 52 harmful algal blooms 52 magmatic 52 sunspot cycle 52 nitrogen fixation 52 El Niño phenomenon 52 Alone doji 51 geomagnetic field 51 Climate Prediction 51 geomagnetic 51 La Nina weather 51 cyclic 51 climatic 51 glaciation 51 atmospheric methane 51 synoptic 50 #.#C [004] 50 interglacial period 50 oceanic 50 Quaternary 50 World Meteorological Organisation 50 atmospheric CO 50 vertical wind shear 50 Medieval Warm Period 49 anthropogenic 49 Northern Hemisphere 49 cyclonic circulation 49 lithosphere 49 radiative forcing 49 perturbation 49 NCEP 49 equinoxes 49 Holocene 48 glacial melting 48 MODIS 48 sunspots 48 Polar Regions 48 Pliocene 48 monsoon rainfall 48 maxima 48 Variability 48 upwelling 48 irradiance 48 monsoon trough 48 World Meteorological Organization 48 species extinctions 48 marine sediments 48 serotonergic 48 bimodal 48 solstices 48 auroral 48 tropics 47 NOAA Climate Prediction 47 temperate regions 47 ECMWF 47 stratospheric ozone 47 anticyclone 47 neuroendocrine 47 anoxic 47 aetiology 47 genotypic 47 speciation 47 Climate Prediction Center 47 crustal 47 hotter summers 47 atmospheric chemistry 46 perturbations