Flow attenuation definition

Flow attenuation means prolonging the flow time of runoff to reduce the peak discharge.
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Flow attenuation means prolonging the flow time of runoff to reduce the peak discharge. "Hydrology model” may include one of the following:
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Examples of Flow attenuation in a sentence

  • Flow attenuation by use of open vegetated swales and natural depressions.

  • Flow attenuation of treated storm water by the use of open vegetated swales and natural depressions.

  • Flow attenuation facilities such as swales and natural depressions should be properly graded to ensure positive drainage and avoid prolonged ponding of water.

  • Department of Management Science and Operations, London Business School, Sussex Place, Regent’s Park, NW1 4SA, London, UK.

  • The evidence could not made available to the Fitness to Practise Panel for a demonstrated, valid and over-riding reason outside the student’s control.

  • We cannot ask our Marines to do what we are not willing to do.A Marine is ThriftyOne aesthetic that attracted me to the Marine Corps was a tough shab-State’s campus when Army cadets were at the football game—on Saturdays.

  • Flow attenuation: Prolonging the flow time of runoff to reduce the peak discharge.

  • Flow attenuation reduces peak flows within the collection system and extends available capacity of existing infrastructure.

  • Flow attenuation greatly reduced in winter thus flow changes translate downstream In its EIS, BC Hydro has dismissed the downstream importance of its proposed new Peace River flow regime (with Site C) because they will be “largely attenuated” at the Town of Peace River and beyond (EIS Section 11, p 11-79).

  • Flow attenuation and the inability of most sediment to transport from the upper watershed into the lower watershed are large drivers, but not the only drivers, contributing to loss of geomorphic integrity in the system.

Related to Flow attenuation

  • Natural attenuation means the reduction in the con- centration and mass of a substance, and the products into which the substance breaks down, due to naturally occurring physical, chemical and biological processes.

  • Attenuation block means a block or stack, having dimensions 20 centimeters by 20 centimeters by 3.8 centimeters, of type 1100 aluminum alloy or other materials having equivalent attenuation.

  • Slash means all debris created on the Work area by the precommercial thinning operation.

  • Hydraulic lift tank means a tank holding hydraulic fluid for a closed-loop mechanical system that uses compressed air or hydraulic fluid to operate lifts, elevators, and other similar devices.

  • Disinfection profile means a summary of Giardia lamblia inactivation through the treatment plant.

  • Backpressure means a pressure (caused by a pump, elevated tank or piping, boiler, or other means) on the consumer's side of the service connection that is greater than the pressure provided by the public water system and which may cause backflow.

  • Filter means material placed in the useful beam to preferentially absorb selected radiations.

  • PNode has the meaning set forth in the CAISO Tariff.

  • low voltage means the set of nominal voltage levels that are used for the distribution of electricity and whose upper limit is generally accepted to be an a.c. voltage of 1000V ( or a d.c. voltage of 1500 V). [SANS 1019]

  • Scaling as used herein, involves:

  • Electrostatic application means the application to a substrate of charged atomized paint droplets that are deposited by electrostatic attraction.

  • Positive pressure respirator means a respirator in which the pressure inside the respiratory inlet covering exceeds the ambient air pressure outside the respirator.

  • Retrenchment means the termination by the employer of the service of a worker for any reason whatsoever, otherwise than as a punishment inflicted by way of disciplinary action, but does not include—

  • Pruning means the appropriate removal of not more than one-third of the live branches or limbs of a Tree or more than one-third of the live branches or limbs on a Tree as part of a consistent annual pruning program.

  • Reference evapotranspiration or “ETo” means a standard measurement of environmental parameters which affect the water use of plants. ETo is given expressed in inches per day, month, or year as represented in Appendix C of these Guidelines, and is an estimate of the evapotranspiration of a large field of four to seven-inch tall, cool-season grass that is well watered. Reference evapotranspiration is used as the basis of determining the Maximum Applied Water Allowances.

  • Loader means any type of off-road tractor with either tracks or rubber tires that uses a bucket on the end of movable arms to lift and move material; can be also referred to as a front-end loader, front loader, skid steer loader, backhoe, rubber- tired loader, or wheeled loader.

  • Cold Weather Alert means the notice that PJM provides to PJM Members, Transmission Owners, resource owners and operators, customers, and regulators to prepare personnel and facilities for expected extreme cold weather conditions.

  • Sink means any process, activity or mechanism which removes a greenhouse gas, an aerosol or a precursor of a greenhouse gas from the atmosphere.

  • Evaporative emissions means the hydrocarbon vapours lost from the fuel system of a motor vehicle other than those from exhaust emissions;

  • Disinfection means a process which inactivates pathogenic organisms in water by chemical oxidants or equivalent agents.

  • Moderator means, in connection with this DPA, a verified adult affiliated with and authorized by the Educational Institution to moderate a Student Account or a Classroom, as permitted by the Service.

  • Slippage means the difference between the expected price of a Transaction in a CFD, and the price the Transaction is actually executed at. Slippage often occurs during periods of higher volatility (for example due to news events) making an Order at a specific price impossible to execute, when market orders are used, and also when large Orders are executed when there may not be enough interest at the desired price level to maintain the expected price of trade.

  • Sound level meter means an instrument which includes a microphone, amplifier, RMS detector, integrator or time averager, output meter, and weighting networks used to measure sound pressure levels.

  • high voltage means the classification of an electric component or circuit, if its working voltage is > 60 V and ≤ 1500 V DC or > 30 V and ≤ 1000 V AC root mean square (rms).

  • Connector means a flanged, screwed, welded, or other joined fitting used to connect two pipelines or a pipeline and a piece of process equipment.

  • Weather Normalized Site EUI means the amount of Energy that would have been used by a property under 30-year average temperatures, accounting for the difference between average temperatures and yearly fluctuations.