equator, altitudes, tropics, troposphere, mesosphere, equatorial, subtropics, amundsen sea, tropopause, insolation, laptev sea, albedo, poleward, storminess, anticyclones, ionosphere, icecap, photosphere, celestial equator, capricornus, landmasses, irradiance, aurorae, airglow, el nino southern oscillation, meridional, elevations, thermocline, chromosphere, planktonic, deglaciation, polar, foehn, faunas, pliocene, periodicities, antarctic peninsula, velocities, circumpolar, temperatures, salinity, jet stream, upwelling, prominences, water vapor, climates, weddell sea, phs, interglacial, redshift, gyre, cirrus cloud, magmas, ecotypes, northern hemisphere, equinoxes, galactic equator, minima, volcanism, glaciers, spicules, greater antilles, isotherm, lavas, reflectivity, intensities, orbits, planitia, glaciation, sunspots, antarctica, exosphere, celestial sphere, hydrologic cycle, wavelengths, isobars, holocene, temperature gradient, subarctic, aphelion, oceans, phanerozoic, landforms, longitudes, perihelion, enceladus, advection, aridity, saturnian, polynya, australis, autumnal equinox, basalts, ecliptic, westerlies, lithosphere, amphipods, permafrost, cirrus, ridging, lowlands, perturbation, latitude, climes, ranges, regions, longitude, declination, stratosphere, frequencies, seas, altitude, angles, degrees, clime, continents

cetraria, genus cetraria, latitudinal, sanson-flamsteed projection, sinusoidal projection, subarctic, timberline, timber line, tree line, white