New Paper on Louisiana Wetlands

Many of Louisiana’s coastal wetlands depend upon the annual cycle of birth and death of plant material to help build up soil height as a way of trying to stay ahead of relative sea level rise caused by the combination of sinking land and rising waters.

A new paper published in “Wetlands,” shows that although researchers found relatively little difference in the rates of this short-term accumulation across marsh types, as salinity in wetlands rises, the amount of organic carbon in soil that can accumulate as a buffer against relative sea level rise decreases.

That also means freshening of certain wetlands with coastal restoration project such as sediment diversions being planned for the Mississippi River or even additional rainfall, can help wetlands regain some of this organic storage ability and perhaps give these areas a buffer against succumbing as quickly to higher water levels.

Evaluating all marsh types, from fresh to saline, for these kinds of impacts is essential to understanding how Louisiana’s marshes respond to changing conditions,” said Melissa Baustian Ph.D., researcher with The Water Institute of the Gulf and lead author of the article.

Other authors of the report include researchers from the U.S. Geological Survey, Gulf South Research Corporation, Coalition to Restore Coastal Louisiana and the Department of Earth & Environmental Sciences at Tulane University.

Link to full report

 

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3rd International Congress Hydraulic Engineering Structures and Dredging

Russia’s leading maritime industry Media Group PortNews (www.portnews.ru) holds a traditional annual Congress “Hydraulic Engineering Structures and Dredging” in Moscow. 

The two-day Congress includes the 7th International Forum of Dredging Companies and the 3rd Technical Conference “Modern Solutions for Hydraulic Engineering”.

Infrastructure development is among the real sources of Russia’s economy growth. Construction of port facilities and new hydraulic engineering structures on the country’s inland waterways constitute an essential part of all infrastructure projects. It is important to take into account the best international practices to implement these projects effectively.

The program of the Congress will be devoted to the latest technologies for dredging and hydraulic engineering works. Speakers and delegates will refer to real projects to discuss specifics features of dredging works, as well as dedicated fleet and equipment involved.

To learn more about event, please, contact the organizing committee: snitko@portnews.ru

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National Marine Dredging Company “NMDC” aims to be the largest dredging player in the Arab’s Gulf region...

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