Category Archives: Uncategorized

Using an Edelman Auger to sample a barrier island

For the past few years we have been working on compiling a data set of the age and landward extent of ancient washover fans on a Barrier Island in North Carolina.  An ancient washover fan is identified as a sand bed … Continue reading

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Ocean 180 Video Challenge

The Ocean 180 video challenge is to create a video abstract, which is a short (180 second) piece summarizing the results of a recently-published, peer-reviewed study on any ocean-science related topic.  Justin Ridge entered and chose a recent GRL paper … Continue reading

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Justin Ridge wins Walter B. Jones Award

Justin Ridge found out last week that he is one of six winners, nation wide, for excellence in coastal and marine graduate study.  “Justin Ridge, a Ph.D. student at the University of North Carolina at Chapel Hill, is using innovative … Continue reading

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Why collect cores from a beach?

There are many reasons to collect cores from a beach.  One of the most interesting is to look back in time and see what environments used to be where the beach is today.  The core is like a time machine, … Continue reading

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The shoreface at Onslow Beach

The southwestern half of Onslow Beach, NC is starved of sand.  Using a side-scan sonar, we imaged peat and organic-rich sediment at the seafloor just seaward from where the waves start to break.  Offshore from that, Miocene rock is imaged … Continue reading

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Sea-level anomalies affect beach erosion, but nobody has ever heard of them.

Sea-level anomalies are periods greater than 2 weeks when the water level at the beach is high.  They are not necessarily related to storm surge or sea-level rise, rather they are forced by changes in ocean currents.  On the US … Continue reading

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Restore the IMS shore: Part III

We completed the restoration project after constructing reefs with 3,500 bushels of shell and planting 2,000 bundles of  marsh grass.  It took 2.5 days with 15 people working, including students, technicians, summer researchers, and faculty. I’m really pleased with the … Continue reading

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Restore the IMS shore: Part II

The project involves planting a saltmarsh and an oyster reef.  The first step was applying for a CAMA permit because we need to distribute oyster-shell cultch near the shoreline.  We anticipate that oyster larvae will settle on the shell and a … Continue reading

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Restore the IMS shore: Part I

Why does the IMS shoreline need to be restored?  Because… 1) It currently looks like this:   2) We are supposed to be stewards of the coast and we are not setting a good example with our rip-rap revetment. 3) … Continue reading

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Oyster reefs have the potential to grow 11 cm/yr…that’s rapid!

Inter-tidal reefs grow so quickly, they should be able to keep up with any future rate of sea-level rise.  That’s good news because in the lower parts of estuaries oyster reefs need to maintain an intertidal elevation to thrive and … Continue reading

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