Related by context. Frequent words. (Click for all words.) 58 lake sediments 57 sediment cores 57 climatological 57 marine sediments 56 geomorphology 56 streamflow 55 decadal 54 geologic 54 hydrological cycle 53 terrestrial ecosystems 53 glacial melt 53 synoptic 53 geological 53 hydrological 52 hydrologic 52 Quaternary 52 landforms 51 geochemical 51 paleontological 51 transect 51 journal Geology 51 ENSO 51 paleo 50 glaciologists 50 interglacial 50 oxygen isotopes 50 isotopic 50 abundances 50 geochemistry 50 crustal 50 NIWA 50 Pliocene 50 tectonics 49 NSIDC 49 radiocarbon 49 glaciation 49 topographic 49 glacier melt 49 Medieval Warm Period 49 Geological mapping 49 middens 49 stalagmites 48 reanalysis 48 measurements 48 Tibetan Plateau 48 nitrogen fixation 48 El Ninos 48 Weddell Sea 48 climatology 48 retreating glaciers 48 observational 48 Geochemistry 48 hydrogeology 48 mid latitudes 48 Nature Geoscience 48 hydrogeological 47 transects 47 oceanic 47 sediment samples 47 lithological 47 Greenland Ice 47 radiocarbon dating 47 atmospheric circulation 47 taxa 47 mineralogy 47 hydrology 47 continental drift 47 atmospheric CO2 47 journal Geophysical Research 47 geomagnetic 46 observations 46 geology 46 MARSIS 46 morphological 46 temperature salinity 46 monsoon rainfall 46 intertidal 46 Serreze 46 glaciers 46 Landsea 46 polar caps 46 geological geophysical 46 Antarctic Peninsula 46 polar 46 atmospheric chemistry 45 ocean acidity 45 Greenland glaciers 45 historical 45 climatologists 45 glacial 45 fluxes 45 empirical 45 tropical cyclones 45 seismicity 45 anthropogenic 45 fluvial 45 stalagmite 45 GISS 45 geological modeling 45 phylogenetic 45 flora fauna