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Green Infrastructure Best Management Practices: Performance of Vegetated Filter Strips Designed for Infiltration and Sorptive amendments
Green Infrastructure Best Management Practices: Performance of Vegetated Filter Strips Designed for Infiltration and Sorptive amendments
Detailed Information
- 자료유형
- 학위논문 서양
- 최종처리일시
- 20260202105524
- ISBN
- 9798263342746
- DDC
- 000
- 서명/저자
- Green Infrastructure Best Management Practices: Performance of Vegetated Filter Strips Designed for Infiltration and Sorptive amendments
- 발행사항
- [Sl] : Georgia Institute of Technology, 2024
- 발행사항
- Ann Arbor : ProQuest Dissertations & Theses, 2024
- 형태사항
- 179 p
- 주기사항
- Source: Dissertations Abstracts International, Volume: 87-05, Section: B.
- 주기사항
- Advisor: Burns, Susan.
- 학위논문주기
- Thesis (Ph.D.)--Georgia Institute of Technology, 2024.
- 초록/해제
- 요약Urbanization causes degradation in the natural ability of a watershed to mitigate stormwater runoff, which results in increased water volume and pollutant loads discharging to natural waterways. To minimize that impact, the design of green infrastructure for stormwater control mimics the pre-construction hydrology of a developed area using best management practices (BMPs) designed with three primary goals: minimizing runoff flowrate to reduce flooding and erosion; maximizing pollutant deposition to reduce discharge to natural waterways including groundwater; and increasing groundwater recharge and with an added filtration component. Because stormwater BMP permitting can result in differences in prioritized design parameters, inconsistent efficiency measurements, and an extremely wide range of quantification methods, this work focused on bringing uniformity to the design and performance of the vegetated slope that is designed for stormwater control. In this study, an analytical model was developed to incorporate both overland flow and soil infiltration in the BMP's partially saturated soils to optimize designs for lower stormwater discharge volumes and longer residence time. Additionally, field and laboratory studies were performed to study the transport and deposition of solid phase contaminants (soil and rubber) to quantify solids deposition profiles throughout the length of a vegetated slope. Dissolved heavy metal transport through the vegetated slope was evaluated based on the adsorption characteristics of the deposited sediment profile of the BMP. Results showed that the flow rate could be reduced by up to 19% in silty sandy soils in unsaturated conditions when accounting for infiltration. Further, 99% of solids were deposited in the first 2 meters of a vegetated slope, which agreed well with modeled trapping efficiencies based on particle diameter and density. Adsorption analysis showed that Piedmont soils sorbed relatively small concentrations of heavy metals; however, incorporating even small percentages (by mass) of a highly sorbent component (activated carbon) in the soil regime increased both infiltration and adsorptive capacity, substantially increasing the filter strip's performance.
- 일반주제명
- Design
- 일반주제명
- Rivers
- 일반주제명
- Floods
- 일반주제명
- Stormwater management
- 일반주제명
- Heavy metals
- 일반주제명
- Federal regulation
- 기본자료저록
- Dissertations Abstracts International. 87-05B.
- 전자적 위치 및 접속
- 로그인 후 원문을 볼 수 있습니다.
MARC
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■020 ▼a9798263342746
■035 ▼a(MiAaPQ)AAI32309707
■035 ▼a(MiAaPQ)GeorgiaTech77743
■040 ▼aMiAaPQ▼cMiAaPQ
■0820 ▼a000
■1001 ▼aStypulkowski, A. Lynnae.
■24510▼aGreen Infrastructure Best Management Practices: Performance of Vegetated Filter Strips Designed for Infiltration and Sorptive amendments
■260 ▼a[Sl]▼bGeorgia Institute of Technology▼c2024
■260 1▼aAnn Arbor▼bProQuest Dissertations & Theses▼c2024
■300 ▼a179 p
■500 ▼aSource: Dissertations Abstracts International, Volume: 87-05, Section: B.
■500 ▼aAdvisor: Burns, Susan.
■5021 ▼aThesis (Ph.D.)--Georgia Institute of Technology, 2024.
■520 ▼aUrbanization causes degradation in the natural ability of a watershed to mitigate stormwater runoff, which results in increased water volume and pollutant loads discharging to natural waterways. To minimize that impact, the design of green infrastructure for stormwater control mimics the pre-construction hydrology of a developed area using best management practices (BMPs) designed with three primary goals: minimizing runoff flowrate to reduce flooding and erosion; maximizing pollutant deposition to reduce discharge to natural waterways including groundwater; and increasing groundwater recharge and with an added filtration component. Because stormwater BMP permitting can result in differences in prioritized design parameters, inconsistent efficiency measurements, and an extremely wide range of quantification methods, this work focused on bringing uniformity to the design and performance of the vegetated slope that is designed for stormwater control. In this study, an analytical model was developed to incorporate both overland flow and soil infiltration in the BMP's partially saturated soils to optimize designs for lower stormwater discharge volumes and longer residence time. Additionally, field and laboratory studies were performed to study the transport and deposition of solid phase contaminants (soil and rubber) to quantify solids deposition profiles throughout the length of a vegetated slope. Dissolved heavy metal transport through the vegetated slope was evaluated based on the adsorption characteristics of the deposited sediment profile of the BMP. Results showed that the flow rate could be reduced by up to 19% in silty sandy soils in unsaturated conditions when accounting for infiltration. Further, 99% of solids were deposited in the first 2 meters of a vegetated slope, which agreed well with modeled trapping efficiencies based on particle diameter and density. Adsorption analysis showed that Piedmont soils sorbed relatively small concentrations of heavy metals; however, incorporating even small percentages (by mass) of a highly sorbent component (activated carbon) in the soil regime increased both infiltration and adsorptive capacity, substantially increasing the filter strip's performance.
■590 ▼aSchool code: 0078.
■650 4▼aBest management practices
■650 4▼aDesign
■650 4▼aRivers
■650 4▼aFloods
■650 4▼aStormwater management
■650 4▼aHeavy metals
■650 4▼aFederal regulation
■650 4▼aWater resources management
■690 ▼a0389
■690 ▼a0543
■690 ▼a0595
■71020▼aGeorgia Institute of Technology.
■7730 ▼tDissertations Abstracts International▼g87-05B.
■790 ▼a0078
■791 ▼aPh.D.
■792 ▼a2024
■793 ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17360426▼nKERIS▼z이 자료의 원문은 한국교육학술정보원에서 제공합니다.
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