Related by context. Frequent words. (Click for all words.) 68 ocean acidification 65 atmospheric CO2 65 atmospheric carbon dioxide 65 acidification 61 greenhouse gas concentrations 58 extinctions 58 greenhouse warming 57 salinity 55 ocean ecosystems 55 Greenland ice 54 coral bleaching 54 anthropogenic 54 oceans 54 phytoplankton 54 mass extinctions 53 marine organisms 53 marine ecosystems 52 atmospheric circulation 52 ozone depletion 51 algal blooms 51 Nature Geoscience 51 mountain glaciers 51 volcanism 50 sediments 50 dissolved oxygen 50 eutrophication 50 glaciers 50 floods droughts 50 upwelling 50 oxygen depletion 50 Antarctic ice 50 greenhouse gasses 49 nitrous oxide emissions 49 global warming 49 albedo 49 cyanobacteria 49 coral reefs 49 journal Nature Geoscience 49 algae blooms 49 aquatic ecosystems 49 overfishing 49 plankton 49 diatoms 49 pollutants 48 Antarctic Ice 48 melting glaciers 48 sediment 48 nutrient pollution 48 organisms 48 algal bloom 47 journal Geophysical Research 47 bacterial resistance 47 biodiversity 47 coastal ecosystems 47 coastal erosion 47 mass extinction 47 climate change 47 toxic algae 47 polar regions 47 alkalinity 47 Carbon dioxide emissions 47 methylmercury 47 atmospheric chemistry 47 sedimentation 47 marine ecosystem 47 polar ice 47 corals 47 reefs 47 ecosystems 46 greenhouse gases 46 gigatons 46 sulfates 46 crop yields 46 meltwater 46 troposphere 46 antibiotic resistance 46 permafrost 46 Greenhouse gases 46 water vapor 46 Arctic Ocean 45 warmer winters 45 zooplankton 45 ice melts 45 particulate pollution 45 acidity 45 warmer temperatures 45 marine ecology 45 polluted runoff 45 carbon dioxide 45 pollution 45 Geophysical Research 45 sulfate 45 overexploitation 44 forest ecosystems 44 heatwaves 44 Global warming 44 ocean currents 44 carbon sinks 44 volcanic activity 44 coral species 44 biosphere