A study by the Louisiana State University Economics & Policy Research Group says that not restoring coastal wetlands in Louisiana will cost the state $3.6 billion in lost infrastructure, homes and businesses over the next five decades and $7.6 billion in lost spending, wages and disruptions to the supply chain. The study did not include losses if a major hurricane hit the region, but it does note that the state's $50 billion restoration plan would create 7,800 to 10,500 jobs a year.
Planting cover crops to take root before the cold months is one way Wisconsin farmers are fighting the runoff from manure used as fertilizer on their fields. But now federal funding that has helped foster the effort may be reduced.
It was "Christmas in March" over the marshlands of Louisiana's Bayou Sauvage National Wildlife Refuge as National Guard helicopters dropped thousands of used Christmas trees. "The trees provide important habitat for waterfowl and fish, crab, crawfish and shrimp ... [and the measure] reverses shoreline erosion," said refuge manager Shelley Stiaes.
The Chesapeake Bay is benefiting from the use of Step Pool Conveyance Systems by several Maryland jurisdictions to slow stormwater runoff before it reaches the bay. The systems incorporate stair-stepped pools with cobble riffles between that allow water to seep into the ground while filter media and vegetation capture pollutants.
New Jersey's South Seaside Park section of Berkeley Township, noted for the dune system that saved it from Superstorm Sandy's floodwaters, is not yet included in the Army Corps of Engineers' beach replenishment plans. Area officials have not yet obtained the necessary access easements.
Green infrastructure -- bioswales, permeable pavement, rain gardens and more -- can help reduce the overloading of sewer systems, and Washington, D.C.'s, Stormwater Retention Credit incentivizes property owners to use it.
The program also "provides flexibility in complying with stormwater standards issued to D.C. through the US Environmental Protection Agency's MS4 (Municipal Separate Storm Sewer System) permit," this article states.
To comply with a federal mandate, the city of Bangor, Maine, needs to address the problem of raw sewage and stormwater spilling into the Penobscot River and Kenduskeag Stream. About $63 million worth of work will be required over 15 years, with the first project a $22 million installation of a 3.8 million-gallon wastewater storage tank this summer.
Citing environmentalists' concerns over possible harm to air quality and wildlife habitat in Southern California's Hahamongna Watershed Park, a court has called a halt to a sediment-removal project behind Devil's Gate Dam. An environmental impact report on the project was deemed insufficient.
Eliminating the difficulties of solving the Hantush equation for transient flow was the goal of a study by Australia's Snowy Mountains Engineering. This paper explains how to do it and notes the approach also can be used to measure "feasibility of infiltrating water, attenuation zone, risk mitigation essential for decision-makers and planning regulators in terms of environmental effects and water use efficiency."
China cites changing weather patterns and El Nino and La Nina events for record-high sea levels last year. The rising waters are said to raise the risk of storm tides, floods and coastal erosion, as well as seawater encroachment.
Bioengineering and Biotechnical Soil Stabilization has been added to the IECA Online ELearning Library. Presented by member-favorite John McCullah, this webinar is for novices and experts who are interested in bioengineering. Understand the guiding principles behind biotechnical techniques, geotechnical benefits, the history of bioengineering and details necessary for a successful project. Learn more!
Purchase the eight online course and recorded webinar bundle at a 40% discount on critical vegetation establishment training. This package includes training on everything from vegetation basics to bionic soil amendments for site revegetation. Continuing education credit for this package is that provides you with 0.8 CEU (8 PDH). Learn more and purchase today.