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The summit glacier (17,000 ft.) on Iztaccihuatl volcano, Mexico. It's a lot cleaner and in a better state than the Ayoloco glacier, though it's still losing mass.

#mexico #mexicocity #iztaccihuatl #volcano #glacier #ice #hiking #climbing #mountaineering #summit #science
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Interested in joining the historic Andes Survivors expedition from January 15 - 20, 2018? This week is your last chance to join! No mountaineering experience necessary. Any questions, ask us here.

For more information on the expedition:
scienceinthewild.com/andes_survivors/
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The Ayoloco glacier on Iztaccihuatl volcano (17,120 ft.), Mexico. This glacier has been melting and receding since the 1970s. At the terminus (end) of the glacier, a glacial lake has formed. Note the alternating dark and light bands on the glacier (one set signifies one year: the wet and dry seasonal deposition of snow and dust/contaminants). Where those bands are spaced farther apart, we get clues about underlying topography - and when it's steeper, the ice flows faster. Join a future Science in the Wild trip to explore this amazing and rapidly changing landscape!

#mexico #iztaccihuatl #volcano #hiking #climbing #mountaineering #summit #glacier #ice #wilderness #climatechange #science #scienceinthewild
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If you're in the Boulder, Colorado area tomorrow, come hear about my experience as commander of NASA HERA XII (human exploration research analog) at the Johnson Space Center, and Mars analog environments such as the Atacama Desert in Chile. December 7 at 7 PM, Chautauqua Community House (900 Baseline Rd., Boulder, CO).

#colorado #boulder #lecture #geology #space #earth #mars #NASA #chile
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Wonderful day climbing to the summit of the dormant Iztaccihuatl volcano in Mexico! It was 10 miles round-trip, with about 4 of those miles above 16,000 feet. We climbed in the early morning with the light of the Supermoon, and later in the day crossed a glacier, collected ice samples, and witnessed a small eruption from nearby Popocatepetl volcano. Join us on a future adventure!

#mexico #hiking #climbing #mountaineering #volcano #glacier #science #adventure #supermoon #sunset
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