<p>CLIMATE MODELS CREATED BY SUPERCOMPUTERS TO SHARPEN PREDICTIVE CAPABILITIES AT LOS ALAMOS NATIONAL LABORATORY.
</p><p>THE IMAGE SHOWS THE SIMULATED SPEED OF THE ANTARCTIC ICE SHEET ACROSS THE CONTINENT USING THE MODEL FOR PREDICTION ACROSS-SCALES- LAND ICE. SHOW-MOVING ICE (BLUE AND GREEN) FROM THE INTERIOR OF THE ICE SHEET FEEDS FAST-MOVING(YELLOW AND ORANGE) ICE STREAMS AND ICE SHELVES THAT RING THE MARGINS OF ANTARCTICA. THESE MARGINAL REGIONS RESTAIN THE VAST BODY OF ICE BEHIND THEM BUT ARE SUSCEPTIBLE TO SPEED UP AND DESTABILIZATION THROUGH MELTING CAUSED BY THE OCEAN BELOW AND ATMOSPHERE ABOVE.
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