Kristy Dahl

Climate scientist

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Kristina Dahl is a climate scientist who designs, executes, and communicates scientific analyses that make climate change more tangible to the general public and policy makers. Her research focuses on the impacts of climate change--particularly sea level rise--on people and the places and institutions they care about. Dr. Dahl holds a Ph.D. in paleoclimate from the MIT/WHOI Joint Program in Cambridge and Woods Hole, Massachusetts.

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Kristy's Latest Posts

Fast and Getting Faster: The Verdict on Sea Level Rise from the Latest National Climate Assessment

Sea level rose more rapidly during the 20th century than during any of the previous 27 centuries, and humans bear the lion’s share of the responsibility for that rise. That’s just one of the sobering takeaways from the U.S. Global Change Research Program’s Climate Science Special Report (CSSR), released today, but leaked to the New York Times in August. Billed as Volume 1 of the Fourth National Climate Assessment (NCA), the CSSR captures the state of sea level rise science and its implications for the coasts of our country.

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Sweet et al. 2017
NASA
Simran Paintlia for mycoast.org
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This is the extent of flooding from Hurricane Sandy in Cape May, NJ (left) vs. the area that would flood twice monthly by 2100 due to sea level rise (right)

This Is Your Planet on Sea Level Rise. Any Questions?

There are moments when your own data stops you dead in your tracks. I had one of those moments a few months ago. Read more >

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Flooded by Hurricane Harvey: New Map Shows Energy, Industrial, and Superfund Sites

New analysis shows that more than 650 energy and industrial facilities may have been exposed to Hurricane Harvey’s floodwaters. Read more >

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NOAA

Hurricane Harvey Threatens to Bring Dangerous Storm Surge and Flooding to Texas Coast

Hurricane Harvey has intensified rapidly off the Texas Coast, and the National Hurricane Center is warning Texas residents that “preparations along the middle Texas coast should be rushed to completion today” because winds may be too strong to do so tomorrow. The storm is expected to make landfall on Friday night, almost precisely 12 years since Hurricane Katrina’s landfall. It would be the first direct hurricane hit in Texas since 2008 and, potentially, the first Category 3 hurricane to make landfall in the U.S. since Hurricane Wilma in 2005. Read more >

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Floods in Missouri, 2015.

Trump’s Executive Order Will Make America Flood Again (and Again and Again)

On August 15, Trump signed an executive order, repealing an Obama-era executive order that updated the Federal Flood Risk Management Standard. With ample evidence that climate change puts federal (and other) infrastructure at risk, it is ultimately American taxpayers who will pay the price for building without regard to sea level rise and the impacts of increasing extreme weather. Read more >

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