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Dissertations / Theses on the topic 'Stormwater'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Karlsson, Felix. "Urban stormwater ponds: Evaluation of heavy metals and organic pollutants in stormwater and stormwater sediments." Thesis, Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-85126.

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Urban runoff is generated by precipitation of rain and snowmelt on impervious surfaces. The increasing demand of urbanization causes contaminants to accumulate on roads, roofs and pathways. In turn, as runoff wash off these surfaces, contaminants such as heavy metals, particles and organic pollutants end up in the stormwater. Urban stormwater ponds improve water quality of runoff by facilitating contaminants in form of particles. To preserve the function of a stormwater pond accumulated sediment must periodically be removed.Therefore, upland disposal alternatives should be evaluated. This st

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2

Pater, Susan. "Stormwater in Arizona." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2010. http://hdl.handle.net/10150/147002.

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40 pp.<br>Managing stormwater is important to reduce flooding, keep people safe, maintain clean water, and to reduce soil erosion. Cities have built systems of streets, washes, channels, and stormdrains to manage stormwater and direct it to major washes. Because stormwater drains from small washes to these larger watercourses, keeping stormwater clean is also important. The next time it rains, consider how the rain affects you. Do you want to go outside and play in the raindrops and puddles? What happens to the streets in your neighborhood? Do you live near any washes that flow when it rains?

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3

Regent, Yoann. "Urban stormwater management: : Optimization of the treatment of stormwater in urban areas." Thesis, KTH, Industriell ekologi, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-58645.

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The Mulden-Rigolen system, a new urban stormwater management system implemented in Germany, has been examined in this study. The aim of this new system is to replace traditional sewer system for urban road runoff, by infiltrating the incoming water locally through a dual underground system: an active top soil layer and a deeper trench of packed gravel. For each site using this system, the characteristics of the soils in terms of pH, texture, organic matter, infiltration rate as well as Heavy Metals (Cd, Cr, Cu, Pb, Zn) and Phosphorus soil concentrations were successfully determined. The measur

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4

Iten, Shoshana, and Julia Filling. "Stormwater Governance Commoning in Rostorp, Malmö: Practicing shared responsibility in stormwater governance." Thesis, Malmö universitet, Fakulteten för kultur och samhälle (KS), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-23432.

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5

Fite-Wassilak, Alexander H. "Big boxes and stormwater." Thesis, Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/24611.

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6

Dritschel, Amanda Marie. "The Impact of Different Stormwater Fee Types: A Case Study of Two Municipalities in Virginia." Thesis, Virginia Tech, 2016. http://hdl.handle.net/10919/71379.

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Stormwater user fees (SUFs) are an increasingly popular method of generating revenue for municipalities responsible for implementing complex stormwater regulations through the NPDES permit program. These fees can be created in a multitude of ways, including a flat fee for each parcel, charging by parcel area, charging based on a runoff factor, and many others. As a case study, eight SUFs were applied to the City of Roanoke and the Town of Blacksburg, both in Virginia, to determine the effect each SUF has on how land use type impacts the revenue composition. The City of Roanoke is larger and in

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7

Padmanabhan, Aarthi. "Stormwater evaluation and site assessment : a multidisciplinary approach for stormwater Best Management Practices (BMPs)." Thesis, Manhattan, Kan. : Kansas State University, 2009. http://hdl.handle.net/2097/1141.

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8

Kary, Daniel James. "Residential Development and Stormwater Runoff." Fogler Library, University of Maine, 2011. http://www.library.umaine.edu/theses/pdf/KaryD2011.pdf.

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9

Vo, Le Phu. "Urban stormwater management in Vietnam." Title page, table of contents and abstract only, 2000. http://web4.library.adelaide.edu.au/theses/09ENV/09envl595.pdf.

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10

Chen, Yuxiao. "Zhuji wetland city stormwater recycle /." Click to view the E-thesis via HKUTO, 2007. http://sunzi.lib.hku.hk/hkuto/record/B38297590.

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Thesis (M. L. A.)--University of Hong Kong, 2007.<br>Includes special report study entitled: Water level control technology in constructed wetland. Title proper from title frame. Also available in printed format.

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11

Boberg, Anders. "Stormwater study Linköping City Airport." Thesis, Linköpings universitet, Medie- och Informationsteknik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-92840.

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Flygindustrin är en viktig del av Linköpings näringsliv med Saab som ett av stadens största företag och arbetsgivare. Angränsande till Saab ligger Linköping City Airport vars flygtrafik delas både av den civila och militära trafiken från Saab. 2014 behöver beläggningen för flygplatsens landningsbana bytas ut och då finns det även planer på att samtidigt bygga ut banan. Antingen genom att bara bredda banan eller att även förlänga banan med 600 meter sydost. I rapporten har förslaget med både breddning och förlängning av banan beaktats. Största skälet till att bygga ut banan är för att Linköping

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12

Chen, Yuxiao, and 陳瑜瀟. "Zhuji wetland city: stormwater recycle." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2007. http://hub.hku.hk/bib/B38297590.

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13

Davis, Brian M. "Contemporary Stormwater without the Green." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1406252321.

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14

Wong, Yik Min. "Cost saving stormwater management system." Thesis, Wong, Yik Min (2020) Cost saving stormwater management system. Honours thesis, Murdoch University, 2020. https://researchrepository.murdoch.edu.au/id/eprint/57296/.

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Executive Summary The project aims to create a cost-saving stormwater solution. The objectives are to build a dashboard for water level data and weather forecast analysis. Also, to simulate how the Climate Control Pump System, which rainwater tank in estate scale and single lot scale can affect the volume of stormwater runoff and the amount of groundwater infiltration throughout the year. Due to technical problems with the water level sensor when installed at the Environmental Technology Centre at Murdoch University, the water level in the rainwater tank was not recorded. Hence, the rai

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15

Tharp, Rebecca. "Ecological Stormwater Management: Analysis of design components to improve understanding and performance of stormwater retention ponds." ScholarWorks @ UVM, 2018. https://scholarworks.uvm.edu/graddis/934.

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Stormwater runoff from developed land is a source of pollution and excessive flow to waterways. The most commonly employed practices for flow and volume control are stormwater ponds and basins (also referred to as detention and retention ponds). These structures can be effective at controlling peak discharge to water bodies by managing flow timing but are often ineffective at removing nutrients, particularly in dissolved forms. Pond morphology coupled with place-specific characteristics (like soil type and drainage area characteristics) may influence plant community composition in these water

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Bayley, Mark. "Constructed Ponds for the Treatment of Urban Stormwater - Biotic Processes Influencing the Removal of Nitrogen, Phosphorus and Carbon." Thesis, Griffith University, 2007. http://hdl.handle.net/10072/367630.

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Stormwater ponds for the treatment of urban runoff are being increasingly used as ‘treatment’ technologies in the management of urban stormwater world wide. Although stormwater ponds have been proven to be effective at reducing the concentration of nutrients from urban stormwater, the exact processes leading to this reduction remains largely unknown and unquantified. With stormwater management fast becoming a managed and mitigated water quality issue, the importance of our understanding on how these ecosystem function increases. A stormwater pond system designed and built for the treatment of

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17

Blecken, Godecke-Tobias. "Biofiltration technologies for stormwater quality treatment." Doctoral thesis, Luleå tekniska universitet, Arkitektur och vatten, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-18090.

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Due to high runoff volumes and peak flows, and significant contamination with (inter alia) sediment, metals, nutrients, polycyclic aromatic hydrocarbons and salt, urban stormwater is a major cause of degradation of urban water ways. Since current urban drainage systems, which heavily rely on piped sewer networks, may not be sustainable, attempts are being made to develop and refine sustainable urban drainage solutions, notably in Water Sensitive Urban Design (WSUD) and Low Impact Development (LID) concepts. Promising systems recommended for application in both WSUD and LID are stormwater biofi

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18

Garis, Sargon. "Sedimentation of stormwater from construction activities." Thesis, KTH, Hållbar utveckling, miljövetenskap och teknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-224318.

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Vattenhantering i infrastrukturprojekt är ett viktigt ämne eftersom det kan påverka den omgivande miljön på ett negativt sätt. I projekt med förorenat mark kan vattnet innehålla allt från metaller till polyaromatiska kolväten, vilket medför svårigheter att hantera. Vattenföroreningarna orsakas av utgrävning, grundläggning, injektering, betonggjutning och bergsprängning. Vattnet kan delvis bildas av regnvatten som faller på byggarbetsplatsen eller genom schaktning under grundvattennivån. Det vatten som genom pumpning avleds från en arbetsplats eller uppfodras är känt som länsvatten. Syftet med

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19

Wall, Roland. "Ecological conditions of stormwater retention ponds." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 56 p, 2007. http://proquest.umi.com/pqdweb?did=1253509771&sid=2&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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20

Sharma, Ritu. "Economic analysis of stormwater management practices." Connect to this title online, 2006. http://etd.lib.clemson.edu/documents/1175185452/.

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21

Karlsson, Kristin. "Pathways of pollutants in stormwater systems /." Luleå : Luleå University of Technology, 2006. http://epubl.ltu.se/1402-1757/2006/05/LTU-LIC-0605-SE.pdf.

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22

Roberts, Alexandra Helen. "Sediments in urban stormwater drainage systems." Thesis, Middlesex University, 1985. http://eprints.mdx.ac.uk/13634/.

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Suspended sediment, transported in urban stormwater sewers, is examined in order to determine its source, size, mineralogy, form and surface texture characteristics. The transport history is studied in relation to the hydrological parameters of rainfall and discharge in one catchment. The catchment is situated in North West London where field sampling was carried out over the period from March 1980 to December 1981. A Coulter Counter is used for particle size determinations; methods of sampling and the choice of dispersant and electrolyte are discussed. Particle surface texture analysis employ

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23

Cutbill, Linda Beverley. "Urban stormwater treatment by artificial wetlands." Thesis, University College London (University of London), 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.266138.

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24

Vecchio, Ann-Ariel (Ann-Ariel Nichiko). "Stormwater management and multipurpose infrastructure networks." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/73850.

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Thesis (M.C.P.)--Massachusetts Institute of Technology, Dept. of Urban Studies and Planning, 2012.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 115-132).<br>In urban planning and design, natural systems are a key element of explorations about how to design for sustainability. As part of these efforts, academics and practitioners have also begun to explore the ways in which the utilization of natural systems can and should change our approach to the design and function of urban areas and of infrastructure itself. As an entry point to explore the topic, thi

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25

Wang, Chih-Yu. "Floating wetlands for urban stormwater treatment." Diss., Virginia Tech, 2013. http://hdl.handle.net/10919/52036.

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A floating treatment wetland (FTW) is an ecological approach which seeks to reduce point and nonpoint source pollution by installing substrate rooted plants grown on floating mats in open waters. While relatively novel, FTW use is increasing. A review of literature identified several research gaps, including: (1) assessments of the treatment performance of FTWs; (2) evaluations of FTWs in the U.S., particularly within wet ponds that receive urban runoff; and (3) plant temporal nutrient distribution, plant growth rate, and the long-term persistence of the FTWs in temperate regions with periodic

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26

Farmerie, Sarah Mace. "Stormwater filtration properties of pervious concrete." [Gainesville, Fla.] : University of Florida, 2009. http://purl.fcla.edu/fcla/etd/UFE0025013.

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27

Levander, Ellinor. "Dagvatten i Vegastaden : Stormwater in Vegastaden." Thesis, KTH, Centrum för hälsa och byggande, CHB, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-40903.

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SammanfattningDetta examensarbete är utfört på Miljö- och stadsbyggnadsförvaltningen i Haninge kommun och är en utredning om hur dagvatten i den planerade stadsdelen Vegastaden kan hanteras. Vegastaden kommer att innebära 3000 nya bostäder, en ny pendeltågsstation och en ny anslutning till väg 73. Området där Vegastaden kommer att byggas är mycket kuperat och har varierande jordkapacitet. Vissa områden har växlande infiltrationsmöjligheter och består av morän- och hällområden, andra består av täta jordlager av lera med mycket liten genomsläpplighet. Drevviken, som är recipient för dagvattnet i

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Armstrong, Andrea. "Organizational Adaptation in Local Stormwater Governance." DigitalCommons@USU, 2015. https://digitalcommons.usu.edu/etd/4439.

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Much of the past research and policy analysis on issues of western water has focused on inter-basin river agreements, large infrastructure that captures and distributes water, and conflict between agricultural and urban water demands. My dissertation asks a set of different questions: How is water governed and managed within communities of Utah? How are the organizations that manage water responding to changes in population, water availability, and water quality policy? The answers to these questions are essential for understanding the ways in which changes to water quantity and quality will b

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29

O'Hanlon, Eoghain Rua Patrick Allen O'Hanlon. "Evaluating the Effectiveness of Stormwater Quality Improvement Devices (SQIDs) in Sub-Tropical Conditions." Thesis, Griffith University, 2012. http://hdl.handle.net/10072/366913.

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Stormwater quality improvement devices (SQIDs) are frequently installed to improve the water quality of runoff to match particular water quality objectives (WQOs). However, there is a lack of data to evaluate the functioning and performance of these systems, particularly in sub-tropical climates. The primary aim of this study was to collect such data. Another aim was to establish baseline monitoring of an urban catchment before the installation of SQIDs and to forecast the improvement to the water quality after installation. This study investigates the performance of two SQIDs (a pond and wetl

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Hardin, Michael. "THE EFFECTIVENESS OF A SPECIFICALLY DESIGNED GREEN ROOF STORMWATER TREATMENT SYSTEM IRRIGATED WITH RECYCLED STORMWATER RUNOFF TO." Master's thesis, University of Central Florida, 2006. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3681.

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One of our greatest threats to surface-water quality is polluted stormwater runoff. In this research, investigated is the use of a green roof irrigated with recycled stormwater runoff to remove pollutants from stormwater runoff and reduce the volume of stormwater runoff leaving developed areas. The green roof properties of interest are the filtration and biological processes as well as the roof's ability to hold water and increase evapotranspiration, reducing the volume of stormwater runoff from the source. Because of the above mentioned reasons the experiment consists of a water quality analy

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Alias, Noraliani Binti. "First flush behaviour in urban residential catchments." Thesis, Queensland University of Technology, 2013. https://eprints.qut.edu.au/63811/1/Noraliani_Alias_Thesis.pdf.

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The current state of knowledge in relation to first flush does not provide a clear understanding of the role of rainfall and catchment characteristics in influencing this phenomenon. This is attributed to the inconsistent findings from research studies due to the unsatisfactory selection of first flush indicators and how first flush is defined. The research study discussed in this thesis provides the outcomes of a comprehensive analysis on the influence of rainfall and catchment characteristics on first flush behaviour in residential catchments. Two sets of first flush indicators are introduce

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32

Anantapadmanabhan, Anisha. "Paying for municipal stormwater services : a case study on drivers of stormwater user fees in three Massachusetts communities." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/104996.

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Thesis: M.C.P., Massachusetts Institute of Technology, Department of Urban Studies and Planning, 2016.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references (pages 66-71).<br>Urban stormwater is a major source of pollution in U.S. water bodies. Addressing the problem of stormwater pollution at the municipal level can be expensive, from infrastructure maintenance to implementing regulatory best practices

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33

Rohrer, Alastair R. "The viability of using the stormwater ponds on the Diep River in the Constantia Valley for stormwater harvesting." Master's thesis, University of Cape Town, 2017. http://hdl.handle.net/11427/24918.

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Harvesting stormwater to supplement water demands has attracted a growing interest in South Africa as concerns over the security of the country's water supply increase. Whilst stormwater harvesting has been shown to offer a viable alternative water resource, there are often concerns about its storage requirements due to space constraints in urban areas. Stormwater ponds offer a potential solution to these concerns. Since stormwater ponds are typically designed for the sole responsibility of attenuating the periodic peak stormwater flows that are associated with large storm events, they often r

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34

Giron, Efrain. "Development of a SWMM-GIS Flood Model for New Orleans Drainage Pumping Station No 4 Basin." ScholarWorks@UNO, 2005. http://scholarworks.uno.edu/td/261.

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An urban flood damage model for the drainage area serve by Pump Station No. 4 (Prentiss, New Orleans, Louisiana) has been completed. This study presents the research effort needed to develop a stormwater management model (SWMM) integrated with GIS that includes a Damage Model to estimate the losses produced by storm events on flood prone areas. The latest LIDAR data are used for the topography. The drainage area for this study covers approximately 3218 acres, with elevations ranging from -9 ft to 6 ft above sea level. The runoff produced is pumped into Lake Pontchartrain via London Ou

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35

Birt, Lindsay Nicole. "Evaluation of compost specifications for stormwater management." [College Station, Tex. : Texas A&M University, 2007. http://hdl.handle.net/1969.1/ETD-TAMU-1236.

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Beck, Kade Jacob. "Design of Logan City's Stormwater Conveyance System." DigitalCommons@USU, 2017. http://digitalcommons.usu.edu/etd/6838.

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Logan City is located in northern Utah's Cache County. The average annual rainfall for Cache Valley is between 15 and 20 inches (PRISM 2016). Several times a year, the incomplete storm water system causes flooding, which risks industrial and agricultural lands. The current system collects storm water between 200 West and 1000 West, and discharges the water directly along 1000 West. Cutler Reservoir, Swift Slough, and the Lower Bear River in Cache Valley do not comply with water quality regulations. The Clean Water Act of 1972 mandates that all municipal separate storm sewer systems (MS4) compl

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37

Béland, Michel C. "Modelling mixing patterns in stormwater retention ponds." Thesis, University of Ottawa (Canada), 1985. http://hdl.handle.net/10393/4817.

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38

Fryar, Colby, and Colby Fryar. "Ina Road landfill stormwater management system design." Thesis, The University of Arizona, 2006. http://hdl.handle.net/10150/626940.

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This report describes the design of the Ina Road Landfill Stormwater Management System. Such a system is required by the Arizona Department of Environmental Quality to efficiently and safely remove stormwater drainage from the landfill to better protect the environment and the public during storm events. Stormwater drainage systems are required at landfills to efficiently collect and remove stormwater, limit moisture that can penetrate waste, protect the integrity of the buried mass and the final cover system from washing out and reduce risk of flooding to neighboring property. The State requi

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39

Kadurupokune, Wanniarachchi Kankanamge Nilmini Prasadika, and s3144302@student rmit edu au. "Sustainable management of stormwater using pervious pavements." RMIT University. Civil, Environmental and Chemical Engineering, 2008. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20081029.102009.

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Pervious pavements in car parks and driveways reduce peak discharge and the volume of runoff flowing in to urban drains and improve the water quality by trapping the sediments in the infiltrated water. This reduces the risk of pollutants such as suspended solids and particle bound chemicals such as phosphorous, nitrogen, heavy metals and oils and hydrocarbons entering receiving waters. The key objectives of the study are to establish relationships between rainfall and pervious pavement runoff and quantify improvements to infiltrated stormwater quality through the pervious pavement. The fiel

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Guo, Yiping. "Development of analytical probabilistic urban stormwater models." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0010/NQ41432.pdf.

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Larsson, Stephan. "Can Social Learning help facilitate Stormwater Management?" Thesis, Uppsala universitet, Institutionen för geovetenskaper, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-254133.

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This thesis shows the effect social learning has on various stakeholders involved in a project aimed at tackling a stormwater challenge in the city of Uppsala in Sweden and if social learning is a useful tool to address such an issue. Due to the onset of climate change societies are having to deal with increasingly complex issues. Finding sustainable answers to these challenges is proving difficult so alternative methods such innovation competitions much like the one studied in this paper are becoming attractive alternatives to conventional climate change mitigations approaches. By using an ac

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Davies, John W. "Modelling of stormwater quality in combined sewers." Thesis, University of Westminster, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.303530.

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Lind, Johanna. "Stormwater modelling tools : a comparison and evaluation." Thesis, Uppsala universitet, Institutionen för geovetenskaper, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-250267.

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Stormwater is rain, melt and rinse water that temporarily runs off the ground surface. In cities with many impermeable surfaces large amounts of stormwater may be formed. Stormwater is diverted through conduits and ditches to recipients. If the diversion of stormwater is insufficient flooding can occur. Stormwater contains contaminants from the catchment surfaces such as nutrients, heavy metals, bacteria, organic compounds and oils. To study stormwater pollution and flows various stormwater modelling tools are used. The purpose of this thesis is to test, compare and evaluate four stormwater mo

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Parsian, Habib. "In-sewer flow regulators in stormwater management." Thesis, London South Bank University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.336381.

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The overall aim of this work is to determine the ability of several types of in-sewer flow regulator to limit and attenuate, in conjunction with some type of storage unit, the flow of stormwater into a sewer system. The intended result of these devices is the reduction of overland flooding and downstream surcharge during storm events. Various stormwater management (SWM) techniques, practised both in the UK and abroad, were reviewed with particular emphasis on attenuation and control. Several types of flow regulators were tested where the choice was based on their popularity (i.e orifice plates

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Cetin, Lauren Marie. "Evaluation of Green Stormwater Infrastructure Monitoring Protocols." Thesis, Virginia Tech, 2018. http://hdl.handle.net/10919/83612.

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Due to development of once natural landscapes, also referred to as urbanization, stormwater management has evolved in an effort to address and counteract impairment of waterways in the United States by extensively implementing best management practices (BMPs) or Green Stormwater Infrastructure (GSI). Facilities are installed without any requirement of long-term monitoring; instead relying on lab-tested or assumed pollutant removal efficiencies that often do not translate into field implementation and do not perform as intended and required by regulatory agencies. Monitoring studies have often

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Siddiqi, Rubia. "Removal of Nitrates from Stormwater Using Nanoclays." DigitalCommons@CalPoly, 2017. https://digitalcommons.calpoly.edu/theses/1776.

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Creeks and rivers are often polluted as a result of stormwater runoff that carries various contaminants in to open water bodies, causing adverse environmental and health effects. Low impact development (LID) techniques are currently employed to treat this runoff prior to discharge. Nitrate, however, is not consistently removed by these LID techniques. This study analyzed the ability of several nanoclays to remove nitrate in runoff and determined the feasibility of using them as a soil supplement for LID implementation. Six different nanoclays and HCl-treated clays were compared (pre-modified t

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Ludwig, Andrea L. "Constructed Floodplain Wetland Effectiveness for Stormwater Management." Diss., Virginia Tech, 2010. http://hdl.handle.net/10919/28460.

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A 0.2-hectare wetland was constructed in the floodplain of Opequon Creek in Northern Virginia as a best management practice (BMP) for stormwater management. The research goals were to 1) determine if wetland hydrology existed and quantify the role of groundwater exchange in the constructed wetland (CW) water budget, 2) estimate wetland hydraulic characteristics during overbank flows, and 3) quantify the event-scale nutrient assimilative capacity of the constructed wetland. CW water table elevations and hydraulic gradients were measured through an array of nested piezometers. During controlled

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DeBusk, Kathy Marie. "Stormwater Treatment by Two Retrofit Infiltration Practices." Thesis, Virginia Tech, 2008. http://hdl.handle.net/10919/32757.

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Increases in impervious surfaces associated with urbanization change stream hydrology by increasing peak flow rates, storm-flow volumes and flood frequency, and degrade water quality through increases in sediment, nutrient, and bacteria concentrations. In response to water quality and quantity issues within the Stroubles Creek watershed, the Town of Blacksburg and Virginia Tech designed and constructed two innovative stormwater best management practices (BMPs). The goal of this project was to evaluate the effectiveness of a bioretention cell and a CU-Structural Soilâ ¢ infiltration trench. BMP

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Adams, Erica Elaine. "Operationalizing Scale in Watershed-based Stormwater Management." Thesis, Virginia Tech, 2011. http://hdl.handle.net/10919/72982.

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Watershed-based stormwater management (WSM) has been proposed as more effective for stormwater management than traditional methods of controlling stormwater, which are carried out based on jurisdictional lines at the parcel-scale. Because WSM considers the watershed as a total unit, this method is considered to be more effective in reducing problems associated with stormwater management including environmental degradation and flooding. However, larger watersheds encompass smaller watersheds, and therefore WSM can be implemented at a wide range of scales. There has been little research on wh

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50

Hixon, Lee Franklin. "Making the Case for Tailored Stormwater Management." Thesis, Virginia Tech, 2009. http://hdl.handle.net/10919/46200.

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Protection of downstream channels and reduction in flooding can potentially be improved by evaluating alternative site stormwater management (SWM) strategies at a watershed scale and selecting the optimal strategy for a subject watershed. Tailoring a management strategy for a specific watershed may be worthwhile to minimize development costs and maximize downstream benefit. A hydrologic/hydraulic model for a watershed in Blacksburg, Virginia, is used to evaluate downstream results based on implementation of several alternative SWM strategies currently practiced within the United States.

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