Related by context. Frequent words. (Click for all words.) 58 ocean currents 54 atmospheric circulation 54 marine sediments 53 hydrological cycle 53 oceanic 53 lithosphere 53 temperature salinity 52 terrestrial ecosystems 51 equatorial Pacific Ocean 50 oceans 50 El Ninos 50 upwelling 50 mid latitudes 49 aerosol particles 49 tectonics 49 crustal 49 currents 49 seamount 49 landmasses 48 oxygen isotopes 48 volcanism 48 oceanic crust 48 volcanic gases 48 polar regions 48 eddies 47 lake sediments 47 continental crust 47 gyre 47 sediments 47 Weddell Sea 47 westerlies 46 Earth magnetosphere 46 volcanically active 46 geomorphology 46 meltwater 46 atmospheric CO 46 storminess 46 sediment cores 46 tide gauges 46 convective 46 troposphere 46 ocean 46 glacial melt 46 North Atlantic Oscillation 46 landforms 46 earth crust 45 oceanographers 45 vortices 45 oscillations 45 equatorial Pacific 45 tropics 45 stratospheric ozone 45 retreating glaciers 45 magnetosphere 45 equatorial regions 45 thermosphere 45 subtropical regions 45 glaciers 45 Earth crust 45 Greenland glaciers 45 ENSO 45 Tibetan Plateau 45 geomagnetic 44 harmful algal blooms 44 Sediments 44 diatoms 44 seamounts 44 magnetic flux 44 atmospheric chemistry 44 atmospheric carbon dioxide 44 Antarctica 44 Antarctic 44 sunspot cycle 44 Greenland Ice 44 tectonic 44 plate tectonics 44 magmatic 43 Loop Current 43 geologically active 43 atmospheric 43 sunspot activity 43 Antarctic Ice 43 Northern Hemisphere 43 magnetic fields 43 Saturn moons 43 continental drift 43 ocean acidity 43 auroral 43 fluxes 43 Tasman Sea 43 jet stream 43 Antarctic Peninsula 43 methane hydrates 43 tidal currents 43 aerosols 43 water vapor 43 entrained 43 Saturn moon Enceladus 43 volcanic eruptions 43 convection 43 phytoplankton