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Coastal Erosion Control Method Still Drawing Debate
(RALEIGH) -- Opponents of a bill that would ease the state's ban on terminal groins say the measure will harm the North Carolina coast. The structures are built on one side of a shoreline to prevent movement of sand into an inlet or on an isolated segment of shoreline.
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Remediation Solutions Inc.,
provides a wide variety of options for soil,groundwater and wastewater issues involving volatile organic compounds.
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EPA approves of asbestos controls in California shipyard
June 14th, 2010 - After an investigation by federal regulators, the officials found that current safety practices in place in Bayview, California, are adequately protecting residents from exposure to asbestos particles that were unearthed during redevelopment work.
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Day after 49ers vote, EPA says shipyard dust monitoring OK
The day after the 49ers scored "a touchdown with Santa Clara voters", the U.S. EPA announced it has finalized a report about asbestos dust control issues at the Hunters Point Shipyard.
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Predicting amount of oil in contaminated soils
Scientists are reporting a new technique for mapping and testing oil-contaminated soils. Traditionally, samples need to be collected from the field and returned to a lab for extensive chemical analysis, costing time and money when neither is readily available during a clean-up operation. The new method can take measurements in the field and accurately predict the total amount of petroleum contaminants in moist, unprepared soil samples.
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WFS Technologies led consortium delivers world’s first real-time networked coastal erosion monitoring system
A WFS Technologies led consortium has delivered the world’s first real-time networked coastal erosion monitoring system. More than half of the world's population lives within 60 km of a coastline zone. As changing global climate and rising sea levels speed up coastal erosion, researchers need to monitor what is happening beneath the surface of the sea. Understanding coastal erosion has typically been by observation and measurement of exposed coastal areas rather than using quantitative data. The estimation of these effects has left us with only partial picture of what is really happening.
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Proceedings of the Annual International Conference on Soils, Sediments, Water and Energy
This paper is a case study of how soil and groundwater investigations were conducted at a site containing building asbestos and having access limitations. While previous evaluations of site conditions utilized time-consuming conventional soil borings and monitoring well procedures, continuing investigations necessitated more advanced screening techniques. Since the ...
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Product with long history is fighting Gulf spill
Oil-absorbent booms made from a 3,000-year-old Egyptian hibiscus plant called kenaf are containing the Deepwater Horizon oil spill throughout the Gulf of Mexico. In addition to containing the oil, the booms serve as a barrier that keeps oil off boats, docks and pilings.
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How vulnerable is our groundwater?
When water travels through soil and bedrock to the water table, it carries minerals, nutrients or chemicals from the surface with it. Environmental research is increasingly concerned with preferential flow, or the movement of water through pores and cracks at a faster rate and bypassing most of the surrounding material, either soil or fractured rock.
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As Ethanol Booms, Critics Warn of Environmental Effect
SAN FRANCISCO – Scrambling to find a silver lining to the dark cloud of oil in the Gulf of Mexico, ethanol advocacy groups are pressing for more government support for the biofuel industry, with advertising campaigns targeted at lawmakers in Washington.
Fertilizer and pesticide runoffs from the U.S. Corn Belt are key contributors to “dead zones” in the Gulf of Mexico and along the Atlantic Coast. A 2008 study by independent researchers, published in the academy’s Proceedings journal, calculated that increasing corn production to meet the 2007 renewable fuels target would add to nitrogen pollution in the Gulf of Mexico by 10 to 34 percent.
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Atrazine saves the soil
As people around the world recognize Earth Day, it’s also a good time to recognize the vital role the herbicide atrazine plays in protecting the environment and promoting responsible land stewardship. Besides helping to effectively and affordably control a broad spectrum of weeds, atrazine is essential to conservation tillage and no-till systems in agriculture that can reduce soil erosion by up to 90 percent, when compared to intensive tillage.As people around the world recognize Earth Day, it’s also a good time to recognize the vital role the herbicide atrazine plays in protecting the environment and promoting responsible land stewardship. Besides helping to effectively and affordably control a broad spectrum of weeds, atrazine is essential to conservation tillage and no-till systems in agriculture that can reduce soil erosion by up to 90 percent, when compared to intensive tillage.
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MONDAY MASHUP: Mapping Great Lakes coastal erosion
More than 10,000 miles of coastline brings economic, residential and recreational opportunities to the Great Lakes region.
But settlement and natural processes take a toll on the ever–changing shoreline.
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GETTING STARTED IN ORGANIC FARMING
Much of what we know about organic farming comes from farmers' own experiences on the land. Individual farmers' experiments with crop rotation and other organic techniques provide the basis for this guide to shifting to organic agriculture. This publication profiles eight farmers in Manitoba and North Dakota, who are in various stages of transition to organic farming. The farmer contributors discuss their experiences in the transition to organic production and proivde some ideas about how to start the transition. Producers considering making the transition will find the experiences of these farmers informative and helpful. The producers' stories are supplemented with additional information on organic techniques, certification, and marketing from government and university resource people responsible for monitoring and supporting agricultural production. Producers considering organic farming will
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New Coarse Geogrids Prevent Erosion
The researchers used a rope of about 13 cm in diameter in a meander-like wave pattern on a 360 acres (1.500 square meter) slope. This unusually thick rope-structure provides a rough Geogrid, providing water storage capacity, preventing rain to drain soil and to inflict erosion.
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Global Warming: A Sea Change
Beaches, Rocky Shorelines and Cliffed coasts:
Most of the world’s sandy shorelines have retreated during the past century and any rise in sea level will further exacerbate global beach erosion. One half or more of the Mississippi and Texas shorelines have eroded at average rates of 3.1 to 2.6 m/yr since the 1970s, while 90% of the Louisiana shoreline eroded at a rate of 12.0 m/yr. In Nigeria, retreat rates up to 30 m/yr have been reported . Along the eastern coast of the United Kingdom 67% of the coastline has experienced a shoreline retreat from the low-water mark over the past century (Ibid).
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Low–Impact Design: Stormwater management applications for geotextiles
The management of runoff from rain storms is regulated by state and federal governments. This is why nearly all major residential, retail or office developments have large ponds near their edges. These so-called “NURP ponds” are named for the Nationwide Urban Runoff Program (NURP), a study conducted by the U.S. Environmental Protection Agency (EPA) between 1979 and 1983. The study found that high levels of copper, lead, zinc and harmful bacteria are present in urban runoff, and that the erosion caused by that high–speed, high–volume runoff could be detrimental to ecosystems and downstream waterways.
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Troy says no to soil proposal
The Troy City Council last week unanimously rejected a proposal with the Montana Department of Environmental Quality for the city to receive money in exchange for burying asbestos-contaminated soil from local yards at the city-owned closed landfill site just outside Troy.
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Several Sierra trails are toxic, group says
The thousands of mine shafts that pockmark the Sierra Nevada and testify to California's Gold Rush riches have also left a legacy of toxic contamination in some of the state's popular recreation areas, according to a new study.
Soil tests on a
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GE loses Superfund clean-up fight with EPA
GE lost an ongoing battle with the US Environmental Protection Agency (EPA) to limit Superfund cleanup liabilities this week, even as it commissioned another vendor to help it clean up 30 years of pollution in the Hudson River.
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