Related by context. Frequent words. (Click for all words.) 62 Rignot 58 planetary scientist 58 Planetary Science Institute 57 planetary geologist 57 NSIDC 56 glaciologist 55 Niels Bohr Institute 54 Jonathan Overpeck 53 geoscientist 53 biogeochemistry 53 Scambos 52 journal Geophysical Research 52 NCAR scientist 52 Greenland glaciers 52 CfA 51 oceanic sciences 51 glaciology 51 geological sciences 51 glaciers 51 atmospheric chemist 50 mountain glaciers 50 Credit NASA JPL 50 British Antarctic Survey 50 glacial retreat 50 geomorphology 50 atmospheric scientist 50 principal investigator 50 polar caps 50 Ken Caldeira 49 USGS geologist 49 Geophysical Research 49 Nature Geoscience 49 Serreze 49 Coauthor 49 Mark Serreze 49 glacial melt 49 glacial melting 48 journal Geology 48 astrobiologist 48 geosciences 48 Planetary Laboratory 48 MD M.Sc. 48 Lead researcher 48 deglaciation 48 Greenland ice 48 geochemist 48 Lick Observatory 48 Linus Pauling Institute 47 glaciers melting 47 Robock 47 Lamont Doherty Earth 47 planetary sciences 47 STScI 47 atmospheric sciences 47 aerosol particles 47 geophysicist 47 Cassini scientist 47 Sahlgrenska Academy 47 climatology 47 Byrd Polar 47 Antarctic ice 47 Umea University 47 Oceanography Centre 47 Geochemistry 47 oceanographer 46 Linköping University 46 astronomer 46 cryosphere 46 Atmospheric Science 46 credit NASA JPL 46 National Astronomical Observatory 46 postdoctoral researcher 46 geosciences professor 46 biological oceanographer 46 University Lamont Doherty 46 Roger Pielke Jr. 46 atmospheric chemistry 46 climate modelers 46 stratospheric ozone 46 Biogeography 46 oceanography professor 46 ICESat 45 evapotranspiration 45 climatologist 45 Zachos 45 Tinetti 45 journal Nature Geoscience 45 particle physicist 45 USGS scientist 45 glaciologists 45 Kavli Institute 45 atmospheric methane 45 CU Boulder 45 Coauthors 45 Atmospheric Sciences 45 Zoback 45 Gravity Recovery 45 Michael A'Hearn 45 ScD 45 hydrologic cycle 45 scientist