Related by context. Frequent words. (Click for all words.) 58 ocean currents 58 volcanism 56 phytoplankton 54 algal blooms 53 currents 52 sediments 51 El Niño 51 eddies 51 meltwater 51 convection 51 algae blooms 50 tides 50 plate tectonics 50 acidification 50 El Nino 49 dissolved oxygen 49 diatoms 49 jet stream 49 La Niña 48 hydrothermal 48 La Nina 48 algae bloom 48 oscillation 48 coral bleaching 48 sediment 48 lava flows 48 plankton 48 magma 47 tectonic 47 easterly winds 47 Earth crust 46 latitudes 46 oceanic 46 volcanic activity 46 atmospheric CO2 46 westerly winds 45 Little Ice Age 45 La Nina weather 45 nutrient rich 45 zooplankton 45 aurora 45 mass extinctions 45 troposphere 45 northerly winds 45 ocean 44 volcanic eruptions 44 salinity 44 glacial ice 44 oscillations 44 equatorial 44 atmospheric carbon dioxide 44 snowmelt 44 earth crust 44 hypoxia 44 evaporation 43 eruptions 43 oxygenation 43 corals 43 permafrost 43 precipitation 43 anthropogenic 43 eddy 43 warmer temperatures 43 vortices 43 tidal surges 43 ice melts 43 glaciers 43 speciation 43 Enceladus 43 oxidation 43 southerly winds 42 sunspots 42 wind shear 42 volcanic 42 neutron star 42 equator 42 photosynthetic 42 tropical cyclones 42 ocean acidification 42 magnetosphere 42 geologic 42 deformation 42 warm moist 42 seismic activity 42 tropics 42 sedimentary 42 chlorophyll 42 oceans 42 krill 42 water vapor 42 extinctions 41 Eocene 41 tectonic plate 41 atmospheric 41 algal 41 marine organisms 41 tidal 41 Holocene 41 seawater 41 molten rock 41 warmer