POLAR ICE CAP,POLAR CAP,HIGH LATITUDE,REGION,PLANET,DWARF PLANET,NATURAL SATELLITE,ICE,REQUIREMENTS,WITH RESPECT TO,SIZE,COMPOSITION,BODY,GEOLOGICAL,REQUIREMENT,IT MUST BE,SOLID PHASE,MATTER,POLAR REGION,CAUSES,TERM,SOMETHING,MISNOMER,ICE CAP,ITSELF,BODIES,COVER,LESS THAN,ICE SHEETS,COMPOSITION OF,EXAMPLE,EARTH,POLAR CAPS,WATER,MARS,POLAR ICE CAPS,MIXTURE,SOLID,CARBON DIOXIDE,REGIONS,LESS,ENERGY,SOLAR RADIATION,THE SUN,EQUATOR,SURFACE TEMPERATURE,CHANGED,DRAMATICALLY,THE LAST,SEASON,VARIATIONS,ICE CAPS,TAKES,SOLAR ENERGY,ABSORPTION,THE PLANET,MOON,AROUND THE SUN,SCALES,GROW,SHRINK,CLIMATE VARIATION,NORTH POLE,FLOATING,PACK ICE,SEA ICE,THE ARCTIC OCEAN,DO NOT,MELT,SEASONALLY,UP TO,METERS,AREAS,RIDGES,ONE YEAR,METER,AREA,RANGES,ADDITION,GREENLAND ICE SHEET,COVERS,CALVES,ICEBERGS,SCATTERED,NORTHERN ATLANTIC,THE NATIONAL,SNOW,DATA CENTER,WINTER,ARCTIC ICE,EXTENT,PERCENT,DECADE,MINIMUM,ARCTIC SEA ICE,SOMEWHAT,ABOVE,TIMES,THE YEAR,SOMETIMES,AVERAGE,DATA,OVERALL,COVERAGE,APPEARS,DECLINED,SOUTH,POLAR,LAND MASS,ANTARCTICA,THE ANTARCTIC,ICE SHEET,FRESH WATER,SHOWS,THE SEA,POSITIVE,TREND,THE LAST THREE,DECADES,THE PAST,ATTENTION,DECREASE,LAND AND SEA,NASA,REPORTS,THE ARCTIC,DECLINING,RATE,THE CURRENT,DECLINE,CAUSED,INVESTIGATIONS,DISCOVERIES,GLACIER,DYNAMICS,INFLUENCE,CLIMATE,THE EARLY,SCIENTISTS,ENGINEERS,THE US ARMY,DRILLING,INSIGHT,FORTY YEARS,RESEARCH,EXPERIENCE,ACHIEVEMENTS,IN DEEP,POLAR ICE,CORE,TECHNOLOGY,DEEP,ICE CORES,USED TO,TRACK,CURRENT,PATTERNS,THOUSANDS,TRACES,TRAPPED,RAPID,NO TRUE,SIGN,RECOVERY,COMISO,SENIOR,RESEARCH SCIENTIST,EIGHT,IN SEPTEMBER,REACHED,EVER,JOURNALIST,VIDAL,SQ KM,BELOW,PREVIOUS,IN AUGUST,AVERAGED,MONTH,CONSIST,DUST,FROZEN,PERMANENT,PLANUM AUSTRALE,THE SOUTH,DEPOSITS,HEMISPHERES,SEASONAL,FROST,THE SPRING,COLLECTED,MISSIONS,SHOW,SOUTHERN,RESIDUAL,SUBLIMATION,INTER,ACCEPTED,EXPLANATION,THE PLANETS,ORBIT,CAUSING,CHANGES,NEW HORIZONS,DISCOVERED,FEATURE,THOUGHT,THE DWARF,PLANET PLUTO,FLYBY,PLUTO,THE ALICE,ULTRAVIOLET,IMAGING SPECTROMETER,CONFIRM,THE FEATURE,IN FACT,METHANE,NITROGEN,ICES,CRYOSPHERE,ICE AGE,POLAR CLIMATE,