Nick Cohn Profile
Nick Cohn

@ntcohn

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274
Following
761
Statuses
37

Duck, NC
Joined October 2015
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@ntcohn
Nick Cohn
2 years
RT @matthew_conlin: When dunes erode during a storm, does the dune toe move up or down? Our new work shows the height and duration of total…
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@ntcohn
Nick Cohn
3 years
We’ve been exploring the use of holography to measure the size and vertical distribution of sands as they move by wind. Check out our new paper on this ( which shows the ability to measure temporal changes of saltating sediment size on a beach. @ArmyERDC
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@ntcohn
Nick Cohn
3 years
@ChristinaToms @KerryleeRogers_ Can send some slides on field measurements and geomorph modeling of beach/tundra retreat there. In conjunction with a few groups, the community is currently exploring potential NNBF options suitable for cold regions to limit impacts from chronic erosion along their northern coast
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@ntcohn
Nick Cohn
3 years
@ChristinaToms It’s the common term we would use for features like that on the Boston Harbor islands, but you see the terminology pop up elsewhere in the literature too.
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@ntcohn
Nick Cohn
3 years
@ChristinaToms @KerryleeRogers_ Oddly enough I have a project there now
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@ntcohn
Nick Cohn
3 years
@ChristinaToms Salient
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@ntcohn
Nick Cohn
3 years
Nice day for getting sensors installed in the surf zone for storm season as part of #DUNEXOBX @ArmyERDC
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@ntcohn
Nick Cohn
3 years
RT @ebgoldstein: "Labeling Poststorm Coastal Imagery for Machine Learning: Measurement of Interrater Agreement" New jam w/ 24 others incl.…
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@ntcohn
Nick Cohn
4 years
@DrKingotheBeach @USACEHQ @DrKingotheBeach although the Wave Information Studies website is currently down, most of the WIS data for the US is actually accessible on a public thredds server, including for the Great Lakes. Let me know if you have trouble accessing it.
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@ntcohn
Nick Cohn
4 years
Interested in coastal sediment transport research? One year funded post-Masters or post-doc position available at the ERDC Field Research Facility (Duck, NC) to experiment with using holographic cameras to measure sand transport by wind and/or waves.
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@ntcohn
Nick Cohn
4 years
RT @anders_dylan: New pub alert! Remotely sensing surf zone currents with drifter comparisons. The method captures rip currents, longshore…
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@ntcohn
Nick Cohn
4 years
For those interested in applied research on nearshore processes, the ERDC Field Research Facility located on the Outer Banks, NC has a full-time job opening to assist with numerical modeling of nearshore-beach-dune morphodynamics. Come work with us!
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@ntcohn
Nick Cohn
4 years
@RobertCMahon @BendyScientist We have that same Article couch in grey. It's held up well for the last few years and is very much dog approved
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@ntcohn
Nick Cohn
4 years
Looking inside of coastal foredunes with @coastalgeology @LittoralLiz @Drewbydoowhite on the Outer Banks to understand how different coastal management strategies contribute to the trapping of wind blown sand and limit storm impacts
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@ntcohn
Nick Cohn
4 years
@ScientistBriana @ravenscimaven I work at a federal research facility dedicated to coastal hazards work. Ping me if you want to chat about opportunities.
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@ntcohn
Nick Cohn
4 years
Got the terrestrial lidar out at #DuckFRF to capture aeolian sediment transport associated with the passing remnants of Hurricane Zeta. Working towards validating new high frequency remote observations (saltation height, wind fields) with conventional in-situ sensors. #ArmyERDC
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@ntcohn
Nick Cohn
4 years
@DerekWTJackson1 We've also gotten super fast scanning conventional lidars to map the saltation layer/streamers. It works quite well. Can share more details if you are ever interested
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@ntcohn
Nick Cohn
4 years
@DerekWTJackson1 Still testing what we can get out of this new system, but it scans along a 15 degree cone giving info at numerous horizontal locations and vertical bins. Seems to give reasonable data within a few meters of the bed. Working on validating obs against in-situ sensors this Fall
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