river project Articles
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India Ganga River Project
Summary: CPB gave approval for OSE II and requested a proposal for the scope of work as well as cost. Trip to Varanasi was very helpful to determine who to handle solids, as well as where to take samples for baseline information as well as where to dose OSE II. The trip revealed there will need to be a mechanism to mix OSE II with the large volume of water, and to inject aeration as well. O2 ...
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4. The Contextual Interaction Theory Chloe Parker
River renaturalization projects are complex implementation processes related to multiple policies. Often they require many years to develop and thus work under a dynamic set of circumstances. In this chapter we will explain Contextual Interaction Theory as our conceptual lens for studying these implementation processes. First we will describe the nature of policy ...
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Junction Dam - Case Study
Project Description Built between 1959 and 1961, Junction Dam is a double-curvature concrete arch dam located on Silver Creek in El Dorado County, California, just downstream from where Little Silver Creek and South Fork Silver Creek merge. The dam is in a relatively narrow canyon with steep sides and retains the Junction Reservoir. The dam is 168 ft high with a crest length of 525 ft. It has a ...
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Integrated river basin project evaluation: a comparative study
Projects carried out in river basin areas often impose changes in spatial functions that are situated in these areas. For decades, project evaluation was carried out by measuring tangible streams of cost and benefits summarised in a cost-benefit analysis. Recently, environmental and social aspects gradually have got more attention in the public decision making process by means of, for example, ...
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Analysis and projection of runoff variation in three Chinese rivers
Runoff variability is investigated separately for the Wei, the Bei, and the Qing Rivers in China with a focus on their respective differences in monthly flow patterns and flow duration curves (FDCs) between years with and without annual runoff deficit. The number of deficit runoff years increased in the Wei River and changed slightly in the Bei and Qing Rivers, respectively. Monthly flow ...
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Paradise Creek Nature Park, Portsmouth, VA - Case Study
Project Name: A Paradise Creek Naure Park, Phase 1 Products: Gravelpave2 Porous Pavement Applications: Parking lot and road City: Portsmouth State/Province: Virginia Install Date: Summer 2012 Client: Elizabeth River Project and City of Portsmouth Install Size: 2400 m2 (26,000 sq ft) Address: 1009 Victoria Blvd, Portsmouth, VA Designer: Elizabeth River Restoration Project and ...
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Are Dutch water safety institutions prepared for climate change?
For the water sector, adapting to the effects of climate change is a highly complex issue. Due to its geographical position, The Netherlands is vulnerable to sea level rise, increasing river discharges and increasing salt intrusion. This paper deals with the question of to what extent the historically developed Dutch water safety institutions have the capacity to cope with the ‘new’ challenges of ...
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Sharing knowledge on complex projects
In February 2016, a large water delegation from the Netherlands visited the German region of Sachsen-Anhalt as part of the State visit of His Royal Highness King Willem-Alexander and her Royal Highness Queen Máxima. At the request of the Government of the Netherlands, NWP coordinated the Dutch water sector delegation. The visit was so successful that in 2017, a delegation from the ...
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Horse Mesa Dam, Units 1 - 4 Intake Repairs - Case Study
Global Diving & Salvage, Inc was contracted by Salt River Project (SRP), operator of Horse Mesa Dam, located 65 miles northeast of Phoenix, AZ, to provide project management and diving services to make repairs of Units 1 through 4. The work on Unit 4, located in 160 feet of water, and on Units 1, 2, and 3, located in 260 feet, necessitated the use of saturation divers. Saturation diving ...
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Reconstructing the polder: negotiating property rights and 'blue' functions for land
Dikes were the core of Dutch river flood protection. Near-floods in 1993 and 1995 and debates about climate change, however, led to a rethinking of existing approaches. In the policy directive 'Room for the River' the focus has shifted from infrastructure (dikes) to spatial measures (bypasses, dike relocations, 'green' rivers). While people and land used to be separated from water by dikes, this ...
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Hutuo River Comprehensive Improvement project - Case Study
Project Hutuo River Comprehensive Improvement Project Client Hebei Water Research Institute Project partners Province South-Holland and Dutch Sino Business Promotions Country China Objectives of the Hutuo River Comprehensive Improvement Project Driving the Hutuo River Project is the demand for information in order for the Hebei province to enhance its ability to predict and prevent ...
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A case study of regional risk assessment of river restoration projects: Nakdong River Basin, South Korea
An integrated approach to risk assessment that can pose significant challenges to mitigation and adaptation at the local or regional levels in the context of climate change was developed. First, a conceptual framework for flood risk analysis was developed based on the hydrologic hazard and the socioeconomic vulnerability of a region. Second, weighting factors for each indicator were estimated ...
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Restoring a gravel/cobble substrate trout stream, Swift Run Creek
River Restoration Project on Swift Run Creek, Removal of Bentonite in Trout Stream to Restore Gravel/Cobble Substrate using Sand Wand™. Swift Run Creek is a trout stream 25 miles north of Charlottesville, Virginia. During a drilling project near Elkton, VA, bentonite was used as a lubricant in horizontal directional drilling under the creek, and also served to provide a seal around the ...
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River Oak, Fayetteville, TN - Commercial Roof Projects - Case Study
50 kW poly crystalline on a shopping center roof owned by BC Wood Properties, Lexington, KY. ...
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Replacement of Sakonnet River Bridge - Case Study
Location: Tiverton-Portsmouth, Rhode Island Client: Cardi Corporation The project consisted of the installation of foundation support systems for the Sakonnet River Bridge Project which included furnishing and installing approximately 7,338 LF of 72” pipe piles within the Sakonnet River, as well as, furnishing and installing approximately 51,525 LF of H-Section Steel Piles for the ...
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A river environment index for Korean national rivers: rationale, methods and application
A methodology for indexing river environmental condition was developed and applied to 269 subsections of national rivers located in the Republic of Korea, based on a river management perspective. The resulting index has been called the River Environment Index (REI). To develop the methodology, a total of 32 factors related to a river's environment were initially investigated, from which ...
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Dredging the Hudson River
Dredging the Hudson River SRS Crisafulli follows the activities of our larger corporate cousins tackling tough environmental remediation dredging projects. One of the toughest is the Hudson River EPA PCB GE cleanup. Watch Hudson Dredging Video. Dredging has resumed in the Upper Hudson River for the 2012 season - Phase II Year 2. Massachusetts based Cashman Dredging & Marine Contracting ...
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Why Eastern Himalayan countries should cooperate in transboundary water resource management
Bangladesh, Bhutan, India, and Nepal in the Eastern Himalayas are interconnected by the common river systems of the Ganges, Brahmaputra, and Meghna (GBM). The GBM basin is home to approximately 700 million people, comprising over 10% of the world's population. The economy and environment of the region depend on water, but while the need for water is increasing, poor management and ...
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9. Reflections and Lessons: Contextual Water Management
Being a delta country, the Netherlands has understandable concerns regarding the increasing frequency of high and low water situations as a result of climate change. This has warranted a drastic change of approach to water, land and nature management through a strategy that uses nature‘s resilience to provide for both human and natural environmental needs. The subject of our study ...
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Climate change and river flooding in Europe
Untitled Document Extreme floods are the most common type of natural disaster in Europe. Climate change, including the increasing intensity of heavy rainfall, is projected to make extreme river floods even more frequent in some areas, especially in central, northern and northeastern Europe. In particular, the number of sudden, localised but severe floods - flash floods ...
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