soil erosion Articles

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ArmorMax® is Solution for Alberta, Canada Transportation case study

by Propex Operating Company, LLC  (Sep. 23, 2014)

Background In Alberta Canada. Alberta Transportation identified two ditches. H614:02 north ditch and H894:04 east ditch that had experienced severe erosion. Both ditches service drainage needs for adjacent farmland that comprises hundreds of acres of land. The bed slopes on the two ditches averaged approximately 7%, which enabled the silty soils ...

ArmorMax stands up to Hurricane Gustav and IKE case study

by Propex Operating Company, LLC  (Sep. 22, 2014)

When Hurricane Katrina made landfall on August 29, 2005 it caused devastating flood damage to large portions of southeastern Louisiana—but it was not the only hurricane to hit the area that year. Hurricane Rita made landfall in late September, causing catastrophic tidal inundation to the community of Lafitte as it passed south of Jefferson ...

Subsidence of Peat Soils – Flooding Risk in South-East Asia

by Wetlands International  (Jun. 16, 2014)

There is an increase in awareness of the carbon emissions resulting from peatland drainage and peat fires. There is in general however a lack of recognition link between carbon loss and peatland subsidence, i.e. lowering of the soil surface. In the tropics the process of subsidence after drainage is very fast due to high temperatures. Flood risks ...

Geographic information system-coupling sediment delivery distributed modeling based on observed data

by IWA Publishing  (Aug. 7, 2014)

Spatially distributed sediment delivery (SEDD) models are of great interest in estimating the expected effect of changes on soil erosion and sediment yield. However, they can only be applied if the model can be calibrated using observed data. This paper presents a geographic information system (GIS)-based method to calculate the sediment ...

Towards climate-responsible peatlands management

by Wetlands International  (Sep. 29, 2014)

Peatlands are lands with a naturally accumulated peat layer at their surface. They are found all over the world and come in many forms, display many different characteristics and are used in many different ways. Even though peatlands extend over a relatively small portion of the earth’s land surface, they hold a large pool of carbon. There ...

Gordy Pump Station - St. Mary Parish Gordy, LA case study

by Propex Operating Company, LLC  (Sep. 23, 2014)

The first levee armoring project designed by the New Orleans District of the Corp of Engineers (COE) post Hurricane Katrina utilized Armor-Max®, an Anchored Reinforced Vegetation System. It was installed in December 2006 on the land side of the levee to prevent erosion from overtopping. ArmorMax® is a combination of a high performance turf ...

Snoqualmie falls riverbank stabilization case study

by Propex Operating Company, LLC  (Sep. 24, 2014)

Puget Sound Energy - Snoqualmie Falls Redevelopment Project In 2009, PugetSound Energy began a comprehensive upgrade of the hydroelectric infrastructure at Snoqualmie Falls - a power generation facility built in 1890. Loose soils and heavy rainfall contributed to a landslide along the Snoqualmie River bank in the Fall of 2010, and GeoEngineers was ...

How mangroves help in reducing flooding and coastal erosion

by Wetlands International  (Nov. 13, 2013)

Inhabitants of low lying delta areas are particularly exposed to flooding and erosion caused by storms and hurricanes. These pressures increase with climate change and sea level rise. Coastal wetlands, such as mangroves, can play a key role in damage mitigation during disasters, as well as in stabilising coastlines. They also contribute to ...

CoirGreen™ Geotextiles - An Effective Soil Erosion Prevention Method

by CoirGreen  (Apr. 3, 2013)

“The different coir types and their characteristics have made coir the most versatile natural fiber ...

A sheet erodibility parameter for water erosion modeling in regions with low intensity rain

by IWA Publishing  (Nov. 20, 2013)

Soil erodibility reflects the soil effect on the detachment process by rainfall and runoff; an evaluation of this parameter for single storm events was carried out using natural runoff plot data collected for two rainfall seasons in northern Iraq. The region is characterized by a semiarid Mediterranean-type climate with normal rainfall intensity ...

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