Related by context. Frequent words. (Click for all words.) 68 troposphere 65 lithosphere 61 aerosol particles 61 mid latitudes 60 atmospheric circulation 59 thermosphere 59 ionosphere 58 equatorial Pacific Ocean 57 vertical wind shear 57 crustal 57 cirrus clouds 56 convective 56 volcanic plume 56 X ray emission 56 temperature gradient 56 water vapor 56 equatorial 56 Earth magnetosphere 56 hydrological cycle 56 Tibetan Plateau 55 magnetosphere 55 landmasses 55 anisotropy 55 radiative 55 heliosphere 54 radiative forcing 54 lavas 54 anticyclone 54 continental crust 54 thermocline 54 geomagnetic field 54 equatorial Pacific 54 stratospheric ozone 54 ENSO 54 magma chamber 54 albedo 54 atmospheric 53 latitudes 53 jet stream 53 marine sediments 53 polar 53 polar caps 53 icecap 53 solar nebula 53 volcanism 53 vortices 53 ejecta 53 magmatic 53 ocean ridges 53 irradiance 53 atmospheric CO 52 sunspot activity 52 GPa 52 ionized gas 52 auroral 52 aerosols 52 earth crust 52 volcanic 52 sunspot cycle 52 equatorial regions 52 volcanically active 52 glacial melting 52 dynamical 52 basalts 51 equator 51 Qinghai Tibet Plateau 51 Sunspots 51 magnetic flux 51 Kilauea Volcano 51 Saturn moon Enceladus 51 magnetization 51 atmospheric CO2 51 glacial ice 51 interglacial period 51 spacetime 51 Polar Regions 51 greenhouse gas concentrations 51 meteoroid 50 interstellar medium 50 icecaps 50 accretion disk 50 Saturn rings 50 monsoonal 50 decadal 50 North Atlantic Oscillation 50 minima 50 gyre 50 oceanic crust 50 subtropics 50 subtropical regions 50 CO2 concentrations 50 eyewall 50 Jet Stream 50 glaciation 50 Younger Dryas 50 Earth crust 50 seamount 50 polar regions 50 Cabeus crater 50 basaltic 50 amplitudes