Related by context. Frequent words. (Click for all words.) 60 upwelling 60 algal bloom 58 terrestrial ecosystems 58 microscopic algae 58 algal blooms 56 hydrological cycle 56 Antarctic ozone 56 algae blooms 55 El Nino warming 55 toxic algae blooms 55 anoxic 55 gyre 54 diatoms 54 phytoplankton 54 glacial melt 54 aerosol particles 54 coral bleaching 53 oxygen depletion 52 algae bloom 52 atmospheric methane 52 alga 52 atmospheric circulation 52 glaciers melt 52 Ocean acidification 52 hydrothermal activity 52 salinity 51 eutrophication 51 marine sediments 51 nitrogen fixation 51 volcanism 51 El Ninos 51 explosive eruptions 51 coral 51 algae 51 equatorial Pacific Ocean 51 ocean acidity 51 acidification 51 carbonic acid 51 hydrothermal vent 50 inundations 50 Younger Dryas 50 Cyanobacteria 50 planktonic 50 perturbation 50 phosphorescence 50 glacial retreat 50 La Nina pattern 50 marine organisms 50 mid latitudes 50 toxic algae bloom 50 Pacific Decadal Oscillation 50 plankton 50 harmful algal blooms 50 atmospheric CO 49 lavas 49 landmasses 49 El Nino phenomenon 49 otoliths 49 iron fertilization 49 tropics 49 corals 48 desiccation 48 equatorial Pacific 48 icecaps 48 ocean ecosystems 48 landforms 48 species extinctions 48 thermosphere 48 diatom 48 eastern equatorial Pacific 48 seabeds 48 sediment 48 marine ecosystem 48 solar irradiance 48 shoaling 48 thermocline 48 oxygen starved 48 Volcanic eruptions 48 stratospheric ozone layer 48 kelp forests 48 flower bud 48 winterkill 48 zooplankton 48 sediments 47 volcanic plume 47 soils 47 blooms 47 stratospheric ozone 47 glacial melting 47 El Niño phenomenon 47 subtropics 47 eel grass 47 El Niño 47 interglacial period 47 Phytoplankton 47 atmospheric carbon dioxide 47 acidifying 47 oceans 47 isotopic composition 47 subtropical climate 47 solar nebula