Author Archives: Antonio Rodriguez

About Antonio Rodriguez

Institute of Marine Sciences

Oyster Reefs Sometimes Can’t Keep Pace With SLR and Sedimentation

Oyster reefs are similar to other carbonate depositional environment such as coral reefs.  The largest difference is that oyster reefs are located in estuaries and sediment loading from external sources, like rivers and shoreline erosion, is much higher than what corals experience.  Being filter … Continue reading

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Dynamic barrier islands

During large storms, barrier islands are temporarily underwater because of storm surge and high waves.  This is called overwash, and during overwash sand is moved from the beach and deposited in back-barrier environments.  The sandy deposit that forms as a result of overwash … Continue reading

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Where has all of the time gone?

A bit of what we have been up to the past six months in photos.  We also worked inside many days, teaching classes and writing papers and proposals. It hasn’t been all fun and games, though.  A horrible summer in terms of … Continue reading

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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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