Project completion report: variation of urban runoff with duration and intensity of storms

by Dan M. Wells

Publisher: Texas Tech University, Water Resources Center] in [Lubbock

Written in English
Published: Pages: 139 Downloads: 386
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  • Texas,
  • Lubbock


  • Urban runoff -- Mathematical models,
  • Urban runoff -- Texas -- Lubbock -- Mathematical models,
  • Monte Carlo method

Edition Notes

Other titlesVariation of urban runoff with duration and intensity of storms.
Statementby Dan M. Wells, Tom Al Austin [and] Billy Cy Cook.
SeriesICASALS special report no. 47
ContributionsAustin, T. Al joint author., Cook, Billy Cy, joint author., United States. Office of Water Resources Research.
LC ClassificationsTD224.T4 T422 no. 71-5, GB665 T422 no. 71-5
The Physical Object
Paginationxix, 139 l.
Number of Pages139
ID Numbers
Open LibraryOL5395115M
LC Control Number72612771

their intensity and duration, and frequency of occurrence. The broken line on the abscissa indicates dry weather periods at least nine hours in length. The annual pre-cipitation total is inches ( mm), producing inches ( mm) of urban runoff as predicted by the urban hydrologic model. Analysis of Time Series. Urban runoff. I. Davies, John W. II. Title. TDB88 —dc22 ISBN Master e-book ISBN (pbk) (hbk) (ebk) and Control International Association on Water Quality Institution of Civil Engineers Inductively coupled plasma Intensity – duration – frequency. An illustration of an open book. Books. An illustration of two cells of a film strip. Video. An illustration of an audio speaker. Audio. An illustration of a " floppy disk. Software. An illustration of two photographs. Full text of "Control of urban stormwater runoff by detention and retention". Rainfall Totals, Storm Duration, and Intensity Rainfall totals and the duration and intensity of storms were documented for water years through A thunderstorm on August 3, produced in. of rainfall in a 1-hour period, for example. The maximum rainfall intensity during this storm was in/h (inches per hour).

PETROLEUM HYDROCARBONS IN URBAN RUNOFF PETROLEUM HYDROCARBONS IN URBAN RUNOFF Whipple, William; Hunter, Joseph V. PETROLEUM HYDROCARBONS IN URBAN RUNOFFâ William Whipple, Jr. and Joseph K Hunter2 ABSTRACT: Estimates were made of petroleum hydrocarbon pollution loadings reaching the Delaware Estuary by determining storm event . Final Report - Mill Cove Causeway Channel, Bank, & Footbridge Project: The Land Conservancy of North Kingstown: North Kingstown, Rhode Island, Mill Cove, Causeway, NBEP: NBEPB: Daily-Resolution Time Series of Total Nitrogen Load to Narragansett Bay from Bay-Wide Treatment Facility and Watershed Sources: Dan Codiga.   Trans-boundary variations of urban drought vulnerability and its impact on water resource management in Singapore and Johor, Malaysia events. Notable episodes in /83, /, and / coincided with severe drought spells of considerable duration and intensity at all stations. The completion of the Layang Project will see the. Sources include: agricultural runoff, urban runoff, and wastewater treatment plants. pH: pH is a unit that expresses the strength of a solution based on its acidic or basic properties. Aquatic organisms can only function in a particular range of pH, and become forced to relocate when the surrounding water changes.

  By routing, or diverting the initial storm water runoff flows into the proposed LID’s, the overall intensity of each storm event’s runoff will be reduced. In addition to the storm water management and improvements proposed by the project, additional benefits include park amenity improvements and education for the community. year design storms so that pre-development peak flows would not be exceeded. After many years of experience on stormwater management implementation across Maryland, MDE has found that management of peak flows for the 2 and 10 year storms does not provide sufficient stream channel erosion protection from the increased runoff caused by urbanization.   SANTA CLARA VALLEY URBAN RUNOFF. POLLUTION PREVENTION PROGRAM (PROGRAM) NPDES PERMIT NO. CAS This document summarizes the Regional Board staff’s responses to comments on the New Development and Redevelopment Performance Standards made in response to Tentative Orders transmitted for public comments on The Central Valley of California (Valley), is the nexus for agricultural activity in the western United States and through it, runoff from the Sierra Nevada provides municipal water for over million Californians. In land area the Valley and adjacent Sierra Nevada encompass more than half of California. Landuse change has been occurring for more than years in the Valley and initially.

Project completion report: variation of urban runoff with duration and intensity of storms by Dan M. Wells Download PDF EPUB FB2

Get this from a library. Project completion report: variation of urban runoff with duration and intensity of storms. [Dan M Wells; T Al Austin; Billy Cy Cook; United States. Office of. Get this from a library. Variation of urban runoff quality with duration and intensity of storms: phase II: project completion report prepared for Office of Water Resources Research, U.S.

Department of the Interior. [Wells, Dan M.;]. Runoff may be classified according to speed of appearance after rainfall or melting snow as direct runoff or base runoff, and according to source as surface runoff, storm interflow, or groundwater runoff.

The sum of total discharges described in (1), above, during a specified period of time. Quality and Variation of Pollutant Loads in Urban Stormwater Runoff Article in Canadian Journal of Civil Engineering 2(4) February with 37 Reads How we measure 'reads'. Lubbock urban transportation plan.

Recreational reuse of municipal wastewater--phase II: project completion report: Variation of urban runoff quality and quantity with duration and intensity of storms, phase III: interim report: לקוטי אמרים-תניא.

Selected Co-authors. The Urban Book (Book 9 – Runoff in Urban Areas) has been constructed to utilise and complement the broader set of tools in ARR used to manage the water cycle.

Variations of concentrations during storms 73 Examples of data 73 and quality of urban runoff, on wet- and dry-atmospheric deposition, and on street dirt; and to evaluate the effects of street sweeping and of storm- water detention on the quality of runoff. This report describes and presents the results of the various analyses.

The carryover effects from previous exposures can be small in many situations. o Od or o h- w ® o TIME BETWEEN STORMS (HRS) STORM DURATION (HRS) To" Figure 4 Influence of i n t e r m i t t e n t discharge on water. (VI-TR, Second Ed., June ) i Preface Technical Release 55 (TR) presents simplified procedures to calculate storm runoff volume, peak rate of discharge, hydrographs, and storage volumes.

TOWER RENEWAL GUIDELINES 64 Stormwater is water that accumulates on land as the result of storms, and can include runoff from urban areas such as lawns, roofs and roads.4 In the past, the strategy for dealing with stormwater was to collect and convey rainwater away from a.

Design of Storm Water Drains by Rational Method – an Approach to Storm Water Management for Environmental Protection Needhidasan.S#1, Manoj Nallanathel #2 #1 Professor, Department of Civil Engineering, Saveetha School of Engineering, Saveetha University Chennai –India.

The mean concentrations are compared in three fashions: (1) different durations of the same rainfall intensity (10, 20 and 40 min at mm/h); (2) different intensities of the same duration (,mm/h for 20 min); and (3) the same total runoff volume by manipulating both intensity and duration ( mm/h for 40 min, mm/h for Precipitation generates large volumes of runoff in urban environments due to the proliferation of impervious cover (Wang et al.

; Asleson et al. ).Traditional stormwater management approaches collect, convey, and treat or discharge runoff to surface water bodies (Miskewitz and Uchrin ).In those cities that combine their stormwater and sanitary sewer flows in the same pipe.

Runoff volumes are influenced primarily by the total amount of rainfall. However, runoff rates resulting from a given rainfall, including the peak rate or discharge, are influenced primarily by the rainfall’s distribution, which is how the rainfall rate or intensity varies over a period of time.

Studies of rainfall. Abstract “Today, a simple turn of the tap provides clean water—a precious resource. Engineering advances in managing this resource—with water treatment, supply, and distribution systems—changed urban life profoundly in the 20th century, virtually eliminating waterborne diseases in developed nations, and providing clean and abundant water for communities, farms, and industries.”.


BoxSyracuse, New York,United States of America (Murphy); Onondaga County Government, New York, United. Bedient, P.B. Evaluation of Effects of Stormwater Detention in Urban Areas. Research Project Completion Report, Project No. BTEX, (NTIS PB82–), Rice University, Dept.

of Environmental Science and Engineering, Houston, TX. May. Google Scholar. The maximum duration of annual rain intensity will also be defined within a specified period or maximum annual rainfall depth over a specific period.

The usual periods used for analysis are 5, 10, 15, 30, 60,and min. Intensity, duration, and return period are the parameters used to form the IDF curve. INTRODUCTION. Urban storm water is recognized as a major source of trace metal pollution to many of the nations waterways [].Because metals typically are associated with fine particles in storm water runoff [2, 4], they have the potential to accumulate in the sediments of downstream receiving mson and Morrisey [] reported that metals from urban watersheds accumulate in.

(runoff volume/rain volume), the curve SCS number, and in some cases the relationship between rainfall peak intensity and runoff p eak flow. Rainfall-Runoff Relationship Runoff depth compared to rainfall depth shows the amount of runoff that can be expected from an area based on the amount of rain it.

Conveyance is based on the premise that quickly and safely discharging excess runoff created by impervious surface construction off site will minimize on site flooding (Tunney, ).This concept is illustrated with the triangular hydrograph below, with time represented on the X-axis and runoff rate on the Y-axis ().This figure shows the increase in pre-development peak flow rate (pre.

Caused from storm runoff VARIATION OF URBAN RUNOFF WITH DURATION AND INTENSITY OF STORMS, Robert C. Brownlee, T. Al Austin, and Dan M.

Wells Texas Tech University Water Resources Center Interim Rep No WRC, Sep Chapter 5 Urban Runoff Processes (pages –): Larry A.

Roesner Chapter 6 Quality of Urban Runoff (pages –): Larry A. Roesner Chapter 7 Data Collection and Instrumentation (pages –): Marshall E. Jennings Chapter 8 Overview of Urban Stormwater Models (pages –): Stergios A.

Dendrou. Two of these extreme events were monitored in Milwaukee during the Nationwide Urban Runoff Program (NURP) project (EPA ). These storms, while very destructive, are sufficiently rare that the resulting environmental problems do not justify the massive stormwater quality controls that would be necessary for their reduction.

Such calculations shall include (i) description of the design storm frequency, intensity and duration, (ii) time of concentration, (iii) Soil Curve Numbers or runoff coefficients, (iv) peak runoff rates and total runoff volumes for each watershed area, (v) infiltration rates, where applicable, (vi) culvert capacities, (vii) flow velocities.

ACKNOWLEDGEMENTS The research on which this report is based was supported in part by Matching Grant Agreement No. with the Office of Water Resources Research of th. Collection Description.

The International Center for Arid and Semiarid Land Studies (ICASALS) at Texas Tech University was created in to promote the university's special mission of the interdisciplinary study of arid and semiarid environments and the human relationship to these environments from an international perspective.

Urban Storm Water Management, Second Edition Pazwash, Hormoz. Year: Edition: 2nd ed. runoff storm water flow water management storm water management soil pipe urban You can write a book review and share your experiences.

Other readers will always be interested in your opinion of the books. antecedent dry days, storm duration, volume of total runoff, runoff coefficient, and average rainfall intensity, in addition to average daily traffic, could all be correlated to event mean concentration.

Significance of First-Flush Effects The concept of first-flush is that the initial portion of runoff has the highest constituent. Though in this stage of the project only the runoff generation on small urban catchments (say less than acres) was 'Paper No.

of the Water Resources Bulletin. The models were applied for a reasonably large number of storms which varied in intensity and duration and which occurred on three urban watersheds of various physical.

The outcome and applications of this project will eventually lead to the design of a more sustainable urban stormwater infrastructure.

Proper identification of EIA will result in more effective planning, locating and design of SCMs, in identifying stormwater runoff pollution sources and environmental pollution control, in cost saving, and in.Some exceptions include the following: â ¢ USEPA Nationwide Urban Runoff Program (NURP) data (described in more detail below).

â ¢ U.S. Geological Survey (USGS) National Stormwater Data- base, consisting of 1, storms for 98 stations in 20 met- ropolitan cities (USEPA a). â ¢ Camp, Dresser, and McKee (CDM) National Stormwater.24 Volume Reduction of Highway Runoff in Urban Areas 40% 45% 50% 55% 60% 65% 70% 75% 80% 85% 90% 95% % 0 24 48 72 96 Av er ag e An nu al C ap tu re E ffi ci en cy, % Drawdown Time, hours - Minneapolis, MN - " - New York City, NY - " - Portland, OR - " - Aus n, TX - "