Related by context. Frequent words. (Click for all words.) 67 glaciers 62 snowmelt 61 glacier 60 magma 59 melting glaciers 59 glacial ice 59 Greenland ice 55 glacial 55 molten rock 54 melting snow 54 ice melts 53 Antarctic ice 53 permafrost 53 volcanism 53 water vapor 53 Glaciers 52 polar ice 52 earth crust 52 Earth crust 52 sediment 51 methane 51 plate tectonics 51 melting ice 51 upwelling 51 atmospheric carbon dioxide 51 sediments 50 lava 50 lava flows 49 atmospheric CO2 49 melting 49 diatoms 49 phytoplankton 49 Arctic Ocean 49 aquifers 48 snowpack 48 freshwater 47 reservoir 47 ocean currents 47 Himalayan glaciers 47 silt 47 hydrological 47 magnetosphere 46 underground aquifers 46 oceans 46 lakes 46 seawater 46 troposphere 46 polar regions 45 basalt 45 groundwater 45 salinity 45 acidification 45 Antarctic Peninsula 44 sedimentation 44 icebergs 44 plankton 44 Antarctica 44 hydrothermal 44 evaporation 44 jet stream 44 watercourse 44 rivers 43 reservoirs 43 Enceladus 43 volcanic activity 43 ice 43 aquifer 43 ice crystals 43 precipitation 43 geysers 43 sedimentary 43 geologic 43 basins 42 caldera 42 Saturn rings 42 mountain ranges 42 Little Ice Age 42 melt 42 tectonic plate 42 ionosphere 42 silicate 42 gullies 42 subsurface 42 sedimentary rocks 42 leachate 42 carbon dioxide 42 Geophysical Research 42 sulphate 42 lake 41 Sediment 41 vortices 41 zooplankton 41 sunlight 41 lava flow 41 cosmic rays 41 tectonic 41 lichens 41 volcanic eruptions 41 water 41 lava dome 41 rainwater