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(Click for frequent words.) 73 midlatitudes 69 latitudes 68 atmospheric circulation 67 polar vortex 66 poleward 64 equatorial regions 63 polar latitudes 63 upper troposphere 62 Amundsen Sea 62 oceanic circulation 62 cosmic ray flux 62 polar caps 62 midlatitude 61 interglacial periods 61 El Niños 61 tropopause 61 Rossby waves 60 tropospheric 60 polar regions 60 southern latitudes 60 El Nino Southern Oscillation 60 X ray emission 59 temperate zones 59 mantle plumes 59 troposphere 59 lithosphere 59 volcanism 59 albedo 59 axial tilt 59 mesosphere 59 basaltic rocks 58 Milankovitch cycles 58 aerosol concentrations 58 deglaciation 58 temperate regions 58 anticyclones 58 anomalously warm 58 glaciations 58 auroral activity 58 El Ninos 58 heavily cratered 58 equatorial Pacific Ocean 58 deep convective clouds 58 solar irradiance 58 equatorial latitudes 57 greenhouse warming 57 atmospheric CO2 levels 57 Noctilucent clouds 57 stratospheric ozone 57 northern latitudes 57 La Niñas 57 La Ninas 57 Syrtis Major 57 teleconnections 57 equatorial 57 equatorial Pacific 57 SST anomalies 57 equator 57 aurorae 57 cirrus clouds 57 atmospheric methane 57 Arctic oscillation 57 La Niña pattern 56 longwave radiation 56 sediments deposited 56 cryovolcanism 56 thermal inertia 56 water vapor 56 atmospheric CO2 56 atmospheric circulations 56 Younger Dryas 56 colder drier 56 climatic variability 56 hydrological cycle 56 SSTs 56 anticyclonic 56 Arabia Terra 56 Hellas Basin 56 Rignot 56 glaciation 56 phytoplankton blooms 56 convective clouds 56 boreal regions 56 poleward shift 56 Dry Valleys 56 storminess 56 downwelling 56 tropical troposphere 56 upwelling 56 ocean basins 56 chromosphere 56 sunspot activity 56 geologically active 56 Arctic Oscillation 56 northwesterly flow 56 shadowed craters 56 phyllosilicates 56 visible wavelengths 56 lowermost mantle 55 radiative forcing 55 Cryogenian 55 upwellings 55 Aram Chaos 55 multi decadal 55 chlorine monoxide 55 El Nino warming 55 magnetic polarity 55 auroral 55 glacial interglacial 55 Siple Dome 55 auroral displays 55 coastal upwelling 55 mantle convection 55 interglacial period 55 CO2 concentrations 55 aerosol particles 55 interannual variability 55 Ontario Lacus 55 Little Ice Age 55 thermohaline circulation 55 Polar Regions 55 insolation 55 hydrothermal activity 55 compressional 55 tropical latitudes 55 ENSO cycle 55 convective 55 Hellas Planitia 55 subglacial 55 cryosphere 55 tectonic uplift 54 Enceladus 54 tectonically 54 Sinus Meridiani 54 subtropics 54 Agulhas Current 54 supergene enrichment 54 La Nina cooling 54 Great Conveyor Belt 54 cratered highlands 54 ocean ridges 54 Southern Oscillation 54 thermosphere 54 tropospheric temperature 54 airglow 54 Eemian 54 galactic disk 54 climatologically 54 glacial retreat 54 tropospheric ozone 54 Pacific Decadal Oscillation 54 La Nina pattern 54 Atlantic Multidecadal Oscillation AMO 54 noctilucent clouds 54 cosmic ray intensity 54 volcanic plumes 54 polar icecap 54 tropics 54 ultraviolet wavelengths 54 warmer wetter 54 Neoproterozoic 54 exosphere 54 hydrologic cycle 54 Laurentide ice sheet 54 mountain glaciers 54 temperate latitudes 54 Vastitas Borealis 54 lunar crust 54 magnetopause 54 El Nino periodic 54 magnetosphere 54 glacial cycles 54 lavas 54 magnetospheric 54 wetter winters 54 Velicogna 53 atmospheric moisture 53 crustal thickness 53 Last Glacial Maximum 53 infrared spectral 53 Candor Chasma 53 Meridiani 53 asthenosphere 53 meridional overturning circulation 53 subglacial lakes 53 anthropogenic carbon dioxide 53 coccolithophores 53 carbon dioxide concentrations 53 continental crust 53 jet stream 53 Martian polar 53 abundances 53 solar nebula 53 photosphere 53 atmospheric oceanic 53 warmings 53 Pacific Decadal Oscillation PDO 53 oxygen isotopes 53 Fomalhaut b 53 subduction zones 53 North Atlantic Oscillation 53 auroral oval 53 protoplanetary disks 53 northerly latitudes 53 latitudinal 53 sulfate aerosols 53 magnetic substorms 53 Planitia 53 atmospheric carbon dioxide 53 geomagnetic field 53 Madden Julian Oscillation 53 paleoclimatic 53 permafrost 53 atmospheric CO2 concentration 53 terrestrial biosphere 53 chlorophyll concentrations 53 Dr Trewin 53 Saturn moon Enceladus 53 meridional flow 53 vertical wind shear 53 infrared wavelengths 53 subtropical oceans 53 greenhouse gas concentrations 53 meridional 53 anthropogenic aerosols 53 sunspot cycle 53 marine sediments 53 terrestrial ecosystems 53 seafloor sediments 53 mesoscale 53 tectonically active 53 ejecta 53 El Niño winters 53 clathrates 53 stratospheric clouds 53 isotope ratios 53 El Niño Southern Oscillation 52 ENSO 52 Fram Strait 52 sub tropic 52 atmospheric CO 52 grabens 52 sheet Summerhayes 52 ridging 52 Medieval Warm Period 52 atmospheric aerosols 52 Ulysses spacecraft 52 Palaeocene Eocene Thermal Maximum 52 moon Mimas 52 icesheet 52 surface temperatures SSTs 52 ocean acidity 52 hydrated minerals 52 Antarctic Dry Valleys 52 carbonate minerals 52 polar 52 Nili Fossae 52 temperature gradients 52 southerly latitudes 52 refugia 52 albedo reflectivity 52 Equatorial Pacific 52 phyllosilicate 52 permanently shadowed craters 52 oxygen isotope 52 hydrosphere 52 retrograde orbit 52 flood basalts 52 advection 52 magma ocean 52 anthropogenic warming 52 subtropical jet 52 Le Quéré 52 Kuiper belt objects 52 Caloris 52 Valles Marineris 52 sedimentary deposits 52 landfalling hurricanes 52 equator shrinks 52 GJ#b 52 silicic 52 Jupiter moon Io 52 interannual 52 post perovskite 52 Alaskan glaciers 52 icy moons 52 amplifying feedbacks 52 elliptical orbits 52 interglacials 52 atmospheric concentrations 52 methane CH4 52 stratospheric ozone depletion 52 subtropical ridge 52 airmass 52 coronal loop 52 convection 52 NASA QuikScat satellite 52 Indian Ocean Dipole 52 isotopic composition 52 sulphate aerosols 52 Vertical wind shear 52 ecoregions 52 KT boundary 52 vegetation greenness 52 electron density 52 El Nino La Nina 51 Ice Ages 51 ITCZ 51 steering currents 51 atmospheric convection 51 phytoplankton biomass 51 crustal 51 Heavier snowfall 51 anthropogenically 51 Greenland icecap 51 Paleocene Eocene 51 atmospheric CO2 concentrations 51 intraplate 51 paleoclimate 51 spatial scales 51 Tharsis 51 subsurface ocean 51 McMurdo Dry Valleys 51 polar stratospheric 51 ° C warmer 51 volcanic aerosols 51 neutrino mass 51 southwesterly flow 51 glacial melt 51 YORP effect 51 meteorite impacts 51 climatic variations 51 paleomagnetic 51 Gerald Meehl 51 lunar perigee 51 warmer wetter winters 51 permafrost thaws 51 ionosphere 51 glaciers 51 albedo feedback 51 SeaWiFS 51 Io volcanoes 51 red supergiants 51 glacial interglacial cycles 51 meteor impacts 51 solar minima 51 eastern equatorial Pacific 51 geomagnetic activity 51 multidecadal 51 perihelion 51 alpine glaciers 51 rotational axis 51 foraminifera 51 convective storms 51 magnetic reconnection 51 mineralogical composition 51 Lake Yoa 51 Geophysical Research 51 Late Paleozoic 51 constellation Centaurus 51 permafrost melts 51 hotter summers 51 subtropical regions 51 Earth rotational axis 51 Snowball Earth 51 cyclonic storms 51 landmasses 51 Antarctic Ice 51 substorm 51 upper tropospheric 51 Otto Bliesner 51 Permian extinction 51 sunspots 51 cirrus cloud 51 boreal ecosystems 51 diffuse aurora 51 El Nio 51 atmospheric ozone 51 interstellar boundary 51 C4 grasses 51 infrared wavelength 51 periodicities 51 subpolar 51 Oort cloud 51 permanently shadowed 51 Composite Infrared Spectrometer 51 Trifid Nebula 51 solar corona 51 nightside 51 ULIRGs 51 Greenland ice 51 icecap 51 seabed sediments 50 dynamical processes 50 olivine 50 Jakobshavn 50 ° latitude 50 Saharan dust 50 meteoroids 50 spherules 50 WASP #b 50 Medieval Warming Period 50 Paleocene Eocene Thermal Maximum 50 decadal 50 Amundsen Sea Embayment 50 iceberg calving 50 jarosite 50 stratocumulus clouds 50 shorter wavelengths 50 silicates 50 moon Enceladus 50 Warmer oceans 50 planetary nebulae 50 anticyclone 50 X ray wavelengths 50 vorticity 50 isostatic rebound 50 sunlike stars 50 temperature inversion 50 ENSO neutral conditions 50 Maunder minimum 50 forcings 50 #.#C warmer 50 volcanically active 50 Iapetus 50 cyclonic circulations 50 Polar Vortex 50 Southern Annular Mode 50 metallicity 50 isotherm 50 Sunspots 50 radar altimetry 50 prevailing westerly winds 50 isobars 50 glaciological 50 glacial melting 50 snowier winters 50 Dr van Ommen 50 isotopic ratios 50 Tharsis Rise 50 Mercury exosphere 50 wrinkle ridges 50 System #L 50 icesheets 50 westerly trough 50 advanced argillic alteration 50 Atlantic thermohaline circulation 50 permanently shadowed regions 50 Jakobshavn Isbrae 50 temperate forests 50 sunspot cycles 50 fainter objects 50 sediments 50 sedimentary layers 50 radiative 50 Atlantic Multidecadal Oscillation 50 coronal hole 50 active galactic nuclei 50 galactic cosmic rays 50 hypoxic zone 50 dry airmass 50 gamma ray flashes 50 polar mesospheric clouds 50 Weddell Sea 50 diurnal temperature 50 gravitational interaction 50 anomalously 50 Corot 9b 50 osmium 50 auroras 50 Substorms 50 Tibetan Plateau 50 interstellar clouds 50 X ray binaries 50 optical wavelengths 50 El Niño La Niña 50 drier summers 50 habitable zones 50 CoRoT 9b 50 volcanic activity 50 Klekociuk 50 Permian Triassic 50 Cloudiness 50 magmas 50 olivines 50 phytoplankton bloom 50 basalts 50 fissure eruption 50 seismogenic 50 megafauna 50 tuffaceous rocks 50 infrared spectra 50 NDVI 50 KBOs 50 satellite altimetry 50 reionization 50 MJO wave 50 Ozone depletion 50 star Spica 50 solar insolation 50 Antarctic Circumpolar Current 50 warm interglacial periods 50 Geminid meteors 50 melting permafrost 50 Saturn magnetosphere 50 terrestrial planets 50 Upsilon Andromedae 50 chloride concentrations 50 anthropogenic greenhouse gas 50 sun ultraviolet radiation 50 constellation Libra 50 electron diffusion 49 primitive meteorites 49 reef habitats 49 sunglint 49 Hubble observations 49 Orionid 49 polar layered 49 La Nina occurs 49 elongated orbits 49 Westerlies 49 Earth magnetosphere 49 Coma Cluster 49 subduction zone earthquakes 49 climate modellers 49 collisional 49 sunspot 49 produce colorful auroras 49 scarps 49 Quadrantids 49 equatorial waters 49 Pastelok 49 La Niña 49 irradiance 49 glacial ice 49 ppmv 49 thermal gradient 49 moonlet 49 MODIS 49 galactic mergers 49 Tarduno 49 elevational 49 Carina Nebula 49 tropical cyclone formation 49 silicate dust 49 Venusian atmosphere 49 magnetotail 49 #.#C #.#F [003] 49 planets Uranus 49 sulfur isotope 49 decadal variability 49 AU Mic 49 lake sediments 49 temperature gradient 49 Earth crust 49 asteroidal 49 galactic alignment 49 Nature Geoscience 49 photon energies 49 tropic regions 49 celestial equator 49 Comet NEAT 49 springtime ozone 49 monsoon rainfall 49 pyroxene 49 warmer temperatures 49 moon permanently shadowed 49 outlet glaciers 49 Behrenfeld 49 GJ #b [002] 49 magnetization 49 mesospheric 49 interplanetary magnetic field 49 cratons 49 Comet LINEAR 49 NSIDC 49 diurnal variation 49 westerly winds 49 anisotropy 49 VY Canis Majoris 49 ultraviolet UV radiation 49 crustal rocks 49 Sromovsky 49 forams 49 eruptive activity 49 Arctic Oscillation AO 49 jovian 49 coolings 49 composite infrared spectrometer 49 oxygen isotope ratios 49 oceanic crust 49 Shackleton crater 49 Nielsen Gammon 49 mammal extinctions 49 hydrothermal alteration 49 volcanic eruptions 49 tectonic activity 49 iron oxides 49 aeromagnetic anomaly 49 katabatic winds 49 constellation Perseus 49 circumstellar 49 Holocene epoch 49 Doppler shifts 49 nitrogen deposition 49 Svensmark 49 journal Geophysical Research 49 geological timescales 49 reflection nebula 49 planet HD #b 49 Lyrids 49 luminous galaxies 49 Cassini flyby 49 interglacial 49 isotopic 49 geothermal gradient 49 CoRoT 7b 49 kyr 49 cirrus 49 HD#b 49 mineral olivine 49 constellation Virgo 49 planet orbits 49 Stratospheric ozone 49 depositional 49 HARPS instrument 49 carbonaceous chondrites 49 Terra Meridiani 49 Neukum 49 seafloor sediment 49 #.#oC [001] 49 Saturn auroras 49 Ultraviolet radiation 49 weakly interacting 49 Siberian Traps 49 temporal variability 49 red supergiant 49 galaxy redshift 49 ultramafic rocks 49 sulfide minerals 49 Mpc 49 Lake Untersee 49 moonquakes 49 air advection 48 weak gravitational lensing 48 evapotranspiration 48 phytoplankton 48 plate tectonics 48 Gravitational waves 48 meteorite bombardment 48 backscattered 48 fungus thrives 48 Microlensing 48 permafrost degradation 48 constellation Aquarius 48 sun irradiance 48 ultra violet radiation 48 cyclonic circulation 48 oceanic islands 48 moonlets 48 zodiacal light 48 total solar irradiance 48 filamentary structure 48 RRATs 48 circumstellar disk 48 tectonic stresses 48 Dronning Maud Land 48 polynya 48 planets orbits 48 Kuiper belt 48 cold airmass 48 Harmful algal blooms 48 Min temp 48 protoplanetary disk 48 Snake River Plain 48 Robock 48 -# degrees Fahrenheit [002] 48 infrared radiation 48 glacier shrinkage 48 Transantarctic Mountains 48 temperature reconstructions 48 nor'westers 48 ultraviolet radiation emitted 48 drier soils 48 central equatorial Pacific 48 NCAR scientist Gerald Meehl 48 gamma ray emission 48 loess 48 equatorial bulge 48 Northern Hemisphere 48 redshift 48 heliosphere 48 AMSR E 48 diurnal cycle 48 thrust faulting 48 La Nià ± 48 Atlantic meridional overturning 48 Bug Nebula 48 circumstellar disks 48 Serreze 48 glaciers recede 48 heliosheath 48 hydrothermal fluid 48 magmatism 48 La Nina 48 Oort Cloud 48 Greenland Ice 48 tropical subtropical 48 decadal scale 48 earthshine 48 subduction earthquake 48 ozone depletion 48 oxidized mercury 48 obliquity 48 lithospheric 48 mineralized mafic 48 Saturn moon Mimas 48 aurora 48 foehn 48 orbital eccentricity 48 Cenozoic 48 highly elliptical orbit 48 yardangs 48 lensing galaxy 48 starburst galaxies 48 umbral shadow 48 harmful ultraviolet radiation 48 Younger Dryas cold 48 redshifts 48 coniferous forests 48 Prochlorococcus 48 velocity dispersion 48 magnetic susceptibility 48 peridotites 48 gaseous planet 48 rocky planets 48 vortices 48 faunas 48 limestone xenoliths 48 polar ice 48 anthropogenic emissions 48 relative humidities 48 active volcanism 48 landforms 48 evaporite deposits 48 seawater pH 48 heavier rainfalls 48 nontropical 48 blue supergiant 48 inhomogeneous 48 Kilimanjaro glaciers 48 TrES 4 48 hematite mineral 48 metamorphism 48 Patagonian glaciers 48 extinctions 48 galactic equator 48 anthropogenic greenhouse gases 48 megadroughts 48 Toba eruption 48 ocean eddies 48 Elysium Planitia 48 convection currents 48 Corot 7b 48 chondrules 48 Geminid shower 48 ionized hydrogen 48 Jean Pierre Bibring 48 thermocline 48 magma chambers 48 reduce visibilities 48 easterlies 48 carbon isotope ratios 48 perturbation 48 cosmic ray 48 starlike object 48 planetary orbits 48 Cancri e 48 elliptical galaxies 48 energetic electrons 48 increased storminess 48 Envisat ASAR 48 barometric pressures 48 Perseus constellation 48 precipitation 48 Antarctic peninsula 48 Cassini ion 48 Barometric pressure 48 exoplanets orbiting 48 Le Quere 48 Earth magnetotail 48 Grímsvötn 48 AB Aurigae 48 glacier retreat 48 palaeoclimate 48 Heavier rainfall 48 altitudinal 48 extratropical cyclones 48 VIRTIS instrument 48 Mud volcanoes 48 reflectivity 48 Oceanus Procellarum 48 Darnley Bay gravity 48 extratropical 48 interferometric synthetic aperture radar 48 Martian meteorites 48 lobate scarps 48 extrasolar 48 Holocene 48 anthropogenic 48 Puijila 48 ocean sediment cores 48 Gangetic West 48 aerosols 48 yr -1 48 glaciers retreated 48 sulfidic 48 geomagnetic disturbances 48 Type Ia supernovas 48 silicon monoxide 48 auroral emissions 48 geomagnetic 48 forecaster Helen Chivers 48 geoid 48 Arctic ozone depletion 48 Cretaceous Tertiary boundary 48 Magellanic Clouds 48 strontium isotope 48 isotope fractionation 48 planet Gliese #g 48 ESA Envisat satellite 48 Hot Jupiters 47 warmer drier 47 icecaps 47 situ measurements 47 interplanetary magnetic 47 gravitational acceleration 47 Biogeography 47 deformational 47 mass extinctions 47 sericitization 47 Neogene 47 specular reflection 47 severe droughts 47 undersea volcanoes 47 tidally 47 Quadrantid meteor shower 47 nightglow 47 Saturnian 47 sulfate aerosol 47 spatially resolved 47 sediment cores 47 galactic bulge 47 ferric oxides 47 Service WGMS 47 X ray pulses 47 explosive volcanism 47 ppbv 47 Quadrantid 47 spatial variability 47 supernova explosion 47 cm -1 47 goethite 47 monsoonal moisture 47 Antarctic Peninsula 47 Cassini radar 47 MG J# +# 47 Milky Way halo 47 Archaean 47 spiral nebulae 47 Strong northerly winds 47 glacial meltwater 47 oceanic lithosphere 47 Swift Tuttle 47 Morshyn 47 sun corona 47 GRBs 47 volcanic plume 47 Cabeus 47 stony meteorites 47 Molleda 47 radiosonde 47 dewpoints 47 Bindschadler 47 igneous rocks 47 silicate rocks 47 magnetite alteration 47 chlorine peroxide 47 Late Ordovician 47 AccuWeather.com RealFeel ® 47 gravitational interactions 47 cool showery 47 globulars 47 biogeochemical cycles 47 GISS analysis 47 structural lineaments 47 layered sedimentary rock 47 atmospheric pollutants 47 polar craters 47 nighttime lows 47 CMB radiation 47 Kerguelen Plateau 47 Compact Reconnaissance Imaging Spectrometer 47 Palaeozoic sedimentary 47 Tropical cyclones 47 shrublands 47 polarimetry 47 Orientale Basin 47 southwesterlies 47 atmospheric 47 Great Oxidation Event 47 Pliocene 47 Epsilon Eridani 47 protoplanetary discs 47 refractive indices 47 coral calcification 47 el nino 47 atmospheric chemistry 47 substorms 47 ocean upwelling 47 methane clathrates 47 Stramma 47 Miocene epoch 47 explosive eruptions 47 magmatic 47 hotter drier summers 47 Kelvin -# 47 Eta Carinae 47 temperature inversions 47 diatom species 47 Martian dust 47 Cassini flybys 47 2 MeV electron 47 Kharecha 47 slender crescent 47 mid Pliocene 47 smallest exoplanet 47 abundant quartz veining 47 olivine mineral 47 glaciers melting 47 geomagnetic storms 47 abyssal plains 47 eccentric orbits 47 HiRISE image 47 ejecta blanket 47 ionospheric 47 martian atmosphere 47 colder wetter 47 glacial earthquakes 47 celestial phenomena 47 isotopic signature 47 occultations 47 climate modelers 47 Kocet 47 submillimeter wavelength 47 silicate mantle 47 sericite alteration 47 Nature Geosciences 47 Brigham Grette 47 impactors 47 El Nino cyclical 47 disappearing glaciers 47 elliptical galaxy 47 onshore breezes 47 comet Tempel Tuttle 47 Beta Pictoris 47 ocean salinity 47 amphibian declines 47 overspreading 47 Sr Ca 47 ostracodes 47 basaltic 47 δ 47 aboard ESA Envisat 47 stratigraphic sequence 47 relative abundances 47 Greenland glaciers 47 Omega Centauri 47 erosional 47 lunar highlands 47 Geomagnetic storms 47 waxing gibbous moon 47 Adélie penguins 47 arid regions 47 Pacific Subtropical Gyre 47 Imke de 47 biogeochemical processes 47 ocean currents 47 silicified zone 47 drier winters 47 supernova explosions 47 GZK cutoff 47 Antarctic ice 47 SN #gy 47 Mauna Kea Hawaii 47 interstellar medium 47 westerlies 47 silica carbonate 47 Omar Baddour