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Justin Burnett

Mechanical Engineer

Email

jburnett@apl.washington.edu

Phone

206-221-7672

Department Affiliation

Ocean Engineering

Education

B.S. Mechanical Engineering, Gonzaga University, 2010

M.S. Mechanical Engineering, University of Nebraska, 2015

Publications

2000-present and while at APL-UW

Mid-Holocene grounding line retreat and readvance at Whillans Ice Stream, West Antarctica

Venturelli, R.A., and 9 others including J. Burnett, "Mid-Holocene grounding line retreat and readvance at Whillans Ice Stream, West Antarctica," Geophys. Res. Lett., 47, e2020GL088476, doi:10.1029/2020GL088476, 2020.

More Info

16 Aug 2020

Understanding ice sheet evolution through the geologic past can help constrain ice sheet models that predict future ice dynamics. Existing geological records of grounding line retreat in the Ross Sea, Antarctica, have been confined to ice‐free and terrestrial archives, which reflect dynamics from periods of more extensive ice cover. Therefore, our perspective of grounding line retreat since the Last Glacial Maximum remains incomplete. Sediments beneath Ross Ice Shelf and grounded ice offer complementary insight into the southernmost extent of grounding line retreat, yielding a more complete view of ice dynamics during deglaciation. Here we thermochemically separate the youngest organic carbon to estimate ages from sediments extracted near the Whillans Ice Stream grounding line to provide direct evidence of mid‐Holocene (7.5–4.8 kyr B.P.) grounding line retreat in that region. Our study demonstrates the utility of accurately dated, grounding‐line‐proximal sediment deposits for reconstructing past interactions between marine and subglacial environments.

Inventions

Thermal Ice Melt Probe Including Water Jetting and Clean Sampling

Record of Invention Number: 49014

Dale Winebrenner, Justin Burnett, Tim Elam

Disclosure

13 Jul 2020

Seaglider SGX

Record of Invention Number: 49011

Justin Burnett, Jason Gobat, Adam Huxtable, Michael Johnson, Ben Jokinen

Disclosure

8 Jul 2020

Acoustics Air-Sea Interaction & Remote Sensing Center for Environmental & Information Systems Center for Industrial & Medical Ultrasound Electronic & Photonic Systems Ocean Engineering Ocean Physics Polar Science Center
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