Related by context. Frequent words. (Click for all words.) 62 hydrological cycle 62 polar vortex 61 eastern equatorial Pacific 61 ENSO 60 atmospheric circulation 60 Pacific Decadal Oscillation 60 El Niños 59 ITCZ 59 equatorial Pacific Ocean 59 solar irradiance 58 SSTs 58 biogeochemical 57 poleward 57 El Ninos 57 mid latitudes 57 sunspot cycle 57 lithosphere 56 cyclonic circulation 56 aerosol particles 56 La Nina pattern 56 terrestrial ecosystems 56 storminess 56 hydrothermal activity 55 convective 55 Arctic Oscillation 55 greenhouse warming 55 cryosphere 55 temperature gradient 55 radiative forcing 55 atmospheric CO 55 La Nina cooling 55 equatorial Pacific 54 anisotropy 54 paleoclimate 54 La Nina 54 geomagnetic 54 El Nino warming 54 glacial melting 54 bathymetry 54 La Nina phenomenon 53 ocean salinity 53 atmospheric methane 53 insolation 53 volcanism 53 monsoon trough 53 atmospheric CO2 53 polar caps 53 depositional 53 magnetic reconnection 53 atmospheric 53 sunspot activity 53 crustal 53 climatological 53 latitudinal 53 ionospheric 53 La Niña 52 El Niño 52 El Nino phenomenon 52 El Nino 52 irradiance 52 geomagnetic field 52 vertical wind shear 52 solar corona 52 North Atlantic Oscillation 52 synoptic 52 subtropical regions 52 auroral 52 atmospheric chemistry 52 continental crust 52 westerlies 52 ECMWF 51 Polar Regions 51 dynamical 51 aurorae 51 cirrus clouds 51 electron density 51 convection 51 albedo 51 cirrus 50 iron fertilization 50 ozone depletion 50 Rignot 50 anticyclone 50 tropical cyclones 50 geologically active 50 galaxy formation 50 ocean currents 50 isotopic composition 50 greenhouse gas concentrations 50 oceanic 50 water vapor 50 decadal 50 temperature inversion 50 landmasses 50 X ray emission 50 oscillation 50 tropics 50 tide gauges 50 magmatic 49 subtropics 49 species extinctions