Mobile Discharge Measurement Articles

Online discharge measurement with OTT SLD

Background For the economic management of the waterways between Elbe and Oder it is essential to know the discharge of these rivers at defined locks. The authority for water and navigation (WSA) in Lauenburg operates hydrological stations for the measurement of water level and discharge to effectively regulate the water flow at the locks in Plau and Malliß ...

May 6, 2010

By The OTT Hydromet Group

Online flow measurement

Background The undershoot weir in Hohensaaten was built in 1913. It has three openings and regulates the discharge from the Oderbruch and from the Finow canal into the Hohensaaten-Friedrichsthaler-waterway. Moreover, it protects parts of the Oderbruch against Oder floods. The weir controls the waterlevels in the Havel-Oder-waterway and in the reach of Niederfinow- Hohensaaten. ...

May 6, 2010

By The OTT Hydromet Group

Studying of flow model and bed load transport in a coarse bed river: case study – Aland River, Iran

This paper describes a mathematical model which solves the 1D unsteady flow over a mobile bed. The model is based on the Richtmyer second-order explicit scheme. Comparison of the model results with the experimental flume data for alluvial steady flow (aggradation due to overloading) and unsteady flow shows that, by using the two-step method of Richtmyer, one can solve the equations, governing the ...

Oct. 1, 2011

By IWA Publishing

Heat From Wastewater

When it comes to using wastewater heat from channels, provision and evaluation of hydraulic and thermal wastewater data is urgently needed prior to planning and implementation of facilities. Knowing the wastewater temperatures as well as the flow rates - particularly as dry weather discharge – is an indispensable component. It is therefore essential to carry out preliminary measurements ...

Jun. 20, 2012

By NIVUS GmbH

Ocean outfall plume characterization using an autonomous underwater vehicle

A monitoring mission to map and characterize the Point Loma Ocean Outfall (PLOO) wastewater plume using an Autonomous Underwater Vehicle (AUV) was performed on 3 March 2011. The mobility of an AUV provides a significant advantage in surveying discharge plumes over traditional cast-based methods, and when combined with optical and oceanographic sensors, provides a capability for both detecting ...

Jan. 11, 2013

By IWA Publishing

Pollution prevention and control, Northern England

Project Remediation Strategies were requested by a major prestige vehicle manufacturer based in North-West England to provide assistance in upgrading their production facility’s surface water protection measures. The site had recently experienced potential regulatory compliance issues with its surface water discharge and staff wanted to take positive action to prevent future ...

Aug. 23, 2011

By Remediation Strategies Ltd.

Dynamics and environmental risk assessment of the herbicide glyphosate and its metabolite AMPA in a small vineyard river of the Lake Geneva catchment

The use of pesticides may lead to environmental problems, such as surface water pollution, with a risk for aquatic organisms. In the present study, a typical vineyard river of western Switzerland was first monitored in order to measure discharged loads, identify sources and assess the dynamic of the herbicide glyphosate and its metabolite AMPA. Second, based on river concentrations, an ...

May 10, 2013

By John Wiley & Sons, Ltd.

Log yard water treatment study - Case Study

Stormwater run-off from log yards and saw mills has long been a difficult waste stream to manage. The challenge arises from ability of wood and bark to easily leach high levels of organics (tannins, lignins, phenolics and resin acids) into mobile water. These organics can remain in the suspended state for months and exhibit toxicity to aquatic life as organisms break them down leading to a ...

Jan. 18, 2012

By Dungeness Environmental Solutions, Inc. (DESI)

Experimental study of pollutant washoff on a full-scale street section physical model

This study analyses the mobilization of total suspended solids (TSS) for different spatial distributions of sediment load located over the roadway surface of a full-scale street section physical model. At the sewer network outlet, flow discharges were measured and TSS pollutographs were determined with manual grab samples and inferred from turbidity records. In all the tests, the rain duration ...

Aug. 11, 2017

By IWA Publishing

Effects of mechanical harvest plus chipping and prescribed fire on Sierran runoff water quality

Received for publication September 14, 2007. Fire suppression in Sierran ecosystems creates a substantial wildfire hazard and may exacerbate nutrient inputs into Lake Tahoe by allowing the buildup of O horizon material, which serves as a source for high N and P concentrations in runoff water. The purpose of this study was to evaluate the effects of biomass reduction using cut-to-length mechanical ...

Mar. 1, 2009

By Soil Science Society of America (SSSA)

Rapid on-site analysis of fats, oil and grease (FOG)

It is estimated that 23-28% of Sanitary Sewer Overflows (SSOs) are due to Fats, Oils and Grease (FOG) or as much as 19 million gallons from 1998 to 2001 (State of North Carolina, 2004). Our increasingly mobile society has led to a decrease of cooking at home and a significant growth in the commercial food sector. This, on top of other industries such as metal processors, meat packers, cosmetic ...

Aug. 25, 2008

By Spectro Scientific

LEGAL LOOKOUT: EPA Proposes Amendment to SPCC Plan Requirements

On Dec. 12, 2005, the EPA proposed to amend Spill Prevention, Control, and Countermeasure (SPCC) plan requirements to reduce the regulatory burden these requirements impose on covered entities. The agency also released a document entitled SPCC Guidance for Regional Inspectors to assist regional inspectors in assessing a facility's implementation of SPCC requirements. As such, the document is an ...

Feb. 15, 2006

By Bergeson & Campbell, P.C.

Aggressive dewatering aids concrete rehab at Abitibi

An enormous volume of water passes through the Abitibi Canyon Generating Station every hour of every day. In order to complete critical concrete repairs on the hydro power station, general contractor The Barclay Construction Group needed to find a way to pump and discharge almost 30 million gallons of water in a 500-metre section of the river upstream from the station in under 30 hours. Aquatech ...

Jun. 27, 2011

By Aquatech Dewatering Company

Municipal Wastewater Treatment - Prichard, Alabama - Case Study

TenCate develops and produces materials that function to increase performance, reduce costs, and deliver measurable results by working with our customers to provide advanced solutions. THE CHALLENGE Prichard AL is a town of about 30.000 people north of Mobile. AL Paul David, the Sewer Board Superintendent, oversees the contract management of two (21 ...

Sep. 12, 2013

By TenCate Geosynthetics Netherlands bv

Blending of would-be landfill turns out greener cement-based products

The vision of a greener future for the construction industry motivates Andrew Dennis, an architect here who founded a company dedicated to producing environmentally friendly cement-based products. Instead of the heavy aggregates found in standard concrete, the materials made by GigaCrete Inc. include non silica based sands and byproducts of coal combustion, fly-ash and bottom-ash and recycled ...

Dec. 9, 2014

By Munson Machinery Company, Inc.

Geotube Dewatering Technology Solves Lagoon Cleanout for Mexico’s Largest Chicken Processing Plant - Case Study

Mexico's largest chicken processing plant was experiencing high levels of BOD discharge into the local river because their two sludge lagoons were full of high percentage solids sludge. The plant was expanding operations and had no place to store the additional sludge that would be generated, nor did it have any onsite means of removal and dewatering. The problem was compounded because the excess ...

Jan. 1, 2007

By TenCate Geosynthetics Netherlands bv

Biofouling & Biomonitoring: Mussels help keep Mussels at Bay

Untitled Document Dykes, shipwrecks, junk and just about anything else submerged in water is soon colonized by aquatic animals, particularly mussels. Unless something is ...

Jan. 1, 1999

By Sweco Nederland BV

Toxicity Identification Evaluation (TIE) as a Tool for Water Quality Management

Whole effluent toxicity (WET) testing has evolved into a critical element of many National Pollutant Discharge Elimination System (NPDES) permits issued to both industrial and municipal dischargers. Over 6,500 dischargers to both fresh and salt waters are required to conduct toxicity tests to determine if their effluent might be potentially toxic to organisms in the receiving system. While ...

Jan. 1, 2001

By AECOM

Spending small to save big in a downturn

How strategic upgrades in bulk handling components can pay off in the short term "You can"t save your way to solvency" goes the business adage, but suggesting major capital improvements with long-term pay-out in tight economic times may send your co-workers running for cover. Prosperity can often be found between both extremes, where strategically placed equipment upgrades can instantly reduce or ...

Jun. 29, 2010

By Flexicon Corporation

Ask The Noise Doctor: How Long will the Batteries Last in My Optimus Sound Level Meter?

Do you have questions about your noise measurement instruments that Google or Wikipedia just can’t seem to answer? Ask The Noise Doctor. I’m here to answer your most frequently asked questions. Whether it’s product or application based, I’m up to the challenge. In this article I’ll be covering battery life in the Optimus Sound Level Meter range. A Commonly Asked ...

Mar. 17, 2016

By Cirrus Research plc

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