Related by context. Frequent words. (Click for all words.) 66 irradiance 55 mid latitudes 55 sunspot activity 54 sunspot cycle 53 sunspot numbers 53 latitudes 53 temperate regions 53 storminess 53 albedo 52 temperature gradient 51 maxima 51 transmittance 51 precipitations 50 convective 50 X ray emission 50 reflectivity 50 anisotropy 50 amplitudes 50 cosmic ray 49 anticyclone 49 minima 49 bandgap 49 fluxes 49 auroral 49 geomagnetic 49 geomagnetic field 49 temperate zones 48 sunlight 48 volcanism 48 GeV 48 sunspot 48 decadal 48 radiative 47 precipitation 47 reflectance 47 lithosphere 47 abundances 47 equatorial 47 glaciation 47 ionosphere 47 conductance 47 convection 47 UVR 47 equatorial regions 47 intensities 47 hydrological cycle 47 redshift 46 dynamical 46 Northern Hemisphere 46 El Ninos 46 aerosol particles 46 oscillation 46 Sunspots 46 sunrays 46 isotropic 46 conductivity 46 northern latitudes 46 climatic conditions 46 electrical conductivity 45 seismicity 45 equator 45 anomalously 45 infrared wavelengths 45 atmospheric circulation 45 Medieval Warm Period 45 troposphere 45 cosmic rays 45 UV radiation 45 aurora 45 sunspots 45 icecap 45 atmospheric 44 z = 44 Soil moisture 44 refractive index 44 dielectric constant 44 sun 44 geomagnetic storm 44 ambient temperature 44 perturbations 44 Little Ice Age 44 UVB radiation 44 evapotranspiration 44 laser pulses 44 cloudiness 44 monsoon rainfall 44 cirrus clouds 44 Evaporation 44 occultation 44 excitons 44 laser pulse 44 auroras 44 aridity 44 femtoseconds 44 subtropics 44 biome 44 abundant sunshine 44 equinoxes 44 water vapor 44 resistivity 44 crustal