Related by context. Frequent words. (Click for all words.) 69 latitudes 68 atmospheric circulation 60 polar regions 59 troposphere 59 volcanism 59 albedo 58 temperate regions 57 greenhouse warming 57 northern latitudes 57 equatorial 57 equatorial Pacific 57 equator 56 water vapor 56 atmospheric CO2 56 glaciation 56 upwelling 56 sunspot activity 55 Little Ice Age 55 convective 54 Enceladus 54 subtropics 54 tropics 54 mountain glaciers 54 magnetosphere 53 jet stream 53 abundances 53 subduction zones 53 atmospheric carbon dioxide 53 geomagnetic field 53 permafrost 53 infrared wavelengths 53 greenhouse gas concentrations 52 ENSO 52 polar 52 atmospheric concentrations 52 convection 51 crustal 51 ionosphere 51 glaciers 51 Geophysical Research 51 Antarctic Ice 51 sunspots 51 Greenland ice 50 olivine 50 decadal 50 Iapetus 50 sediments 50 auroras 50 Tibetan Plateau 50 volcanic activity 50 megafauna 50 terrestrial planets 49 sunspot 49 La Niña 49 glacial ice 49 Earth crust 49 Nature Geoscience 49 monsoon rainfall 49 warmer temperatures 49 magnetization 49 westerly winds 49 hydrothermal alteration 49 volcanic eruptions 49 journal Geophysical Research 49 isotopic 48 phytoplankton 48 plate tectonics 48 infrared radiation 48 Northern Hemisphere 48 redshift 48 heliosphere 48 Serreze 48 La Nina 48 ozone depletion 48 aurora 48 rocky planets 48 vortices 48 polar ice 48 landforms 48 extinctions 48 perturbation 48 cosmic ray 48 elliptical galaxies 48 precipitation 48 reflectivity 48 Holocene 48 anthropogenic 48 aerosols 48 geomagnetic 47 mass extinctions 47 supernova explosion 47 Antarctic Peninsula 47 atmospheric 47 Pliocene 47 atmospheric chemistry 47 magmatic 47 arid regions 47 ocean currents 47 Antarctic ice 47 interstellar medium 47 westerlies