Related by context. Frequent words. (Click for all words.) 68 NSIDC 60 Serreze 57 climatologists 56 glaciers 55 glacial melt 55 Kevin Trenberth 54 Greenland glaciers 54 glaciologist 53 Greenland ice 53 climatology 52 mountain glaciers 52 polar caps 52 atmospheric circulation 51 World Meteorological Organisation 51 Greenland Ice 51 glacial ice 51 glacier 50 climatologist 50 Pielke 50 polar ice 50 planetary scientist 49 atmospheric chemistry 49 snowmelt 49 NCAR 49 glacier melt 49 glaciologists 49 Tibetan Plateau 49 State Climatologist 49 icecap 49 Climatologists 48 greenhouse warming 48 Himalayan glaciers 48 journal Geophysical Research 48 Wilkins Ice Shelf 48 IPY 48 Atmospheric Research 48 World Meteorological Organization 48 Patzert 47 Climatic Research Unit 47 permafrost 47 manmade global warming 47 Atmospheric Science 47 meltwater 47 Trenberth 47 University Lamont Doherty 46 melting permafrost 46 melting glaciers 46 Planetary Laboratory 46 volcanology 46 journal Nature Geoscience 46 Climatology 46 NOAA Climate Prediction 46 National Climatic Data 46 Cassini imaging 46 glaciation 46 mid latitudes 46 arctic 45 Diffenbaugh 45 substorms 45 aerosol particles 45 NASA Cassini spacecraft 45 snowpack 45 Antarctic ice 45 IceCube 45 climatological 45 IPCC 45 Geophysical Research 45 A'Hearn 45 mountain snowpack 45 scientists 45 Phil Klotzbach 45 Snowpack 45 snow melt 45 ICESat 45 melting 45 WMO 45 troposphere 45 sunspot activity 45 CloudSat 45 Seismic Network 45 journal Geology 45 Climatologist 45 streamflow 44 Niyogi 44 David Stooksbury 44 Atmospheric Sciences 44 Antarctic Ice 44 National Drought Mitigation 44 Earth crust 44 climategate 44 methane hydrates 44 JILA 44 Carnegie Institution 44 USGS 44 ozone depletion 44 global warming skeptics 44 El Ninos 44 sediment cores 44 Planetary Science 44 glacial 44 geological sciences