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Derek van Westrum: A 'mile high' above what, exactly? Moving away from sea level as “zero” height

Tuesday, Jan 19, 2021 7:00 PM
Hopkins Marine Station (via Zoom)
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Faculty/Staff, Students, Alumni/Friends
Hopkins Marine Station

Please join us for the first Friends of Hopkins lecture event of 2021! Denver is the “Mile High City,” and Colorado is famous for its collection of “14ers”. But how exactly are such “heights above sea level” determined at locations so far from the sea? And what if Dr. van Westrum told you that in 2022, the US is actually set to replace mean sea level with an entirely new basis for its height system? In this fascinating lecture, you’ll hear how the new system will work, and why you’re gonna love it. Don’t miss it! Attendance is free, but you must register in advance. See link below.

Derek van Westrum received his Ph.D. in physics from the University of Colorado and spent the next 15 years making instruments that measure changes in Earth’s gravity. Since 2014, he has managed NOAA’s gravity lab at the Table Mountain facility, north of Boulder, Colorado - somehow finding the one division at NOAA that doesn’t actually work directly with the Ocean or the Atmosphere... 

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