scholarly journals MODELING THE BEHAVIOR OF RAIN GARDENS

2021 ◽  
Author(s):  
HARSHO SANYAL ◽  
YARA YASSER ELBOROLOSY ◽  
JOSEPH CATALDO
Keyword(s):  
Rain Gardens

scholarly journals Enhancing Adoption Studies: The Case of Residential Stormwater Management Practices in the Midwest

2017 ◽  
Vol 47 (1) ◽  
pp. 32-65 ◽  
Author(s):  
Dong Won Shin ◽  
Laura McCann
Keyword(s):  
Stormwater Management ◽  
Management Practices ◽  
Mail Survey ◽  
Rain Gardens ◽  
Adoption Studies ◽  
Factors Affecting ◽  
Logistic Regressions ◽  
Rain Barrels ◽  
Stormwater Management Practices ◽  
Specific Barriers

This study explores factors affecting adoption of two stormwater management practices, rain gardens and rain barrels. Mail survey data from Columbia, Missouri indicate adoption rates of 3.12 percent (rain gardens) and 7.47 percent (rain barrels). This unique dataset enables us to distinguish among nonadopters using knowledge levels, and to investigate the effect of practice-specific barriers. Clustered multinomial logistic regressions reveal serious gardeners are more likely to adopt both practices. Specific barriers differ by practice and type of nonadopter. Adding practice-specific barriers increased pseudo R2 values from 0.12 to 0.22 for rain gardens and from 0.13 to 0.26 for rain barrels.

Possibility of using compensatory urban drainage techniques as leisure units to expand public areas into subdivisions

2021 ◽  
Vol 13 ◽  
Author(s):  
Geovana Geloni Parra ◽  
Bernardo Arantes do Nascimento Teixeira ◽  
Érico Masiero ◽  
Thais Borges Martins Rodrigues
Keyword(s):  
Social Interest ◽  
Urban Drainage ◽  
Rain Gardens ◽  
Public Areas ◽  
Retention Basin ◽  
Housing Complex ◽  
The City ◽  
Housing Estates ◽  
Drainage Technique

Abstract Many housing estates of social interest have not contributed to implementing leisure areas and reducing their environmental and urban quality. This paper aims to propose a leisure unit using a compensatory urban drainage technique in a housing complex of social interest in the city of São José do Rio Preto, São Paulo, Brazil. The characterization of the area, land use and occupation surveys, area sectorization, and catchment division were carried out. Afterwards, proposals for interventions based on surface runoff were presented using calculations of existing runoff and future scenarios. Results related to environmental and social gains for the area are discussed, as well as the possibility of implementing decentralized compensatory techniques. Moreover, 156 rain gardens and 3 ditches were proposed throughout the subdivisions, which enabled a gain of 989m² of contribution area to infiltrate the whole area, and the use of the retention basin as a leisure area. The total storage volume achieved with the sum of all the techniques implemented was approximately 3,000 cubic meters more than that projected for the existing retention basin.

SIMULATING THE IMPACTS OF INDOOR VERTICAL FLOW CONSTRUCTED WETLANDS ON HVAC PERFORMANCE USING eQUEST AT HAMPSHIRE COLLEGE'S R. W. KERN CENTER

2018 ◽  
Vol 13 (2) ◽  
pp. 121-144 ◽  
Author(s):  
Matthew Raymond ◽  
Sarah Hews ◽  
Christina Cianfrani
Keyword(s):  
Constructed Wetlands ◽  
Green Building ◽  
Water Infiltration ◽  
Treatment System ◽  
Vertical Flow ◽  
Rain Gardens ◽  
Air Filtration ◽  
Vertical Flow Constructed Wetlands ◽  
Living Building Challenge ◽  
Building Standards

INTRODUCTION Hampshire College, in Amherst, Massachusetts, is taking part in the green building movement with the construction of the R. W. Kern Center, which opened in the spring of 2016. The building was certified to meet the Living Building Challenge in spring 2018 and has satisfied building standards such as Net Zero energy and water. To meet these standards, the design of the building employs solar photovoltaic panels, a rain water catchment and purification system, a greywater treatment system, storm water infiltration rain gardens, composting toilets, and control monitoring systems to make the building more efficient and decrease its harmful impacts on the environment. The greywater treatment system utilizes both indoor vertical flow constructed wetlands (VFCW) and an outdoor horizontal flow constructed wetland (HFCW) to filter greywater effluent from sinks and a coffee bar, meeting the requirement to treat and handle all wastewater generated on site. Although the VFCW system performance has been shown to be effective in exterior environments (Sklarz et al., 2009), its use inside a building requires scrutiny to verify that the adoption of this system does not affect the operation of essential building systems. The green systems that the Kern Center and others like it are employing may have impacts on the building's environment, construction and operation. These modifications must be monitored, and their effects quantified. The alteration of the thermal and air quality characteristics of the interior building has a significant effect on occupant health and the heating, ventilation and air conditioning (HVAC) energy on consumption. Several studies have investigated the benefits of indoor plants for air filtration or for exterior greywater filtration.

Predictive Evapotranspiration Equations in Rain Gardens

2019 ◽  
Vol 145 (7) ◽  
pp. 04019010 ◽  
Author(s):  
Amanda Hess ◽  
Bridget Wadzuk ◽  
Andrea Welker
Keyword(s):  
Rain Gardens

scholarly journals Sustainable Rainwater Management Concept in a Housing Estate with a Financial Feasibility Assessment and Motivational Rainwater Fee System Efficiency Analysis

Water ◽  
2020 ◽  
Vol 12 (1) ◽  
pp. 151 ◽  
Author(s):  
Godyń ◽  
Grela ◽  
Stajno ◽  
Tokarska
Keyword(s):  
Payback Period ◽  
Rate Of Return ◽  
Housing Estate ◽  
Rain Gardens ◽  
Sustainable Solutions ◽  
Feasibility Assessment ◽  
Runoff Reduction ◽  
Investment Capital ◽  
Rainwater Management ◽  
The Cost

Unresourceful usage of rainwater continues to be a serious problem as this type of natural resource is still treated as wastewater that most often ends up directly in the sewer system. The aim of the article is to present a concept of sustainable rainwater management within a completed housing estate in Cracow (Poland). Sustainable solutions are proposed, such as rain gardens, soakaways, permeable surfaces, and infiltration boxes, limiting the surface runoff, feasible for implementation in an existing development. Their efficacy was shown by estimating the runoff reduction and two financial assessments: (1) the required investment costs converted to costs per 1 m2 of residential area and as per 1 household, and (2) the assessment of financial profitability by the rate of return and the payback period, which are the basic tool for making decisions by potential investors: developers and residents. On the cost side, investment costs are included, and on the benefit side, savings resulting from the reduction of national and municipal rainwater fees. The analysis also aims to examine the incentive nature of these fees. National rainwater drainage fees, which have been introduced to encourage rainwater retention, have low non-incentive rates and the potential benefits of reducing them maybe around 1% of investment capital, which gives a payback period of almost 100 years. Higher rates of municipal fees are more motivating for investors; the proposed concept of rainwater management can potentially bring savings of around 9% (rate of return), and investment can be recovered within 12 years.

Preliminary Field Evaluation of Soil Compaction in Rain Gardens

2013 ◽  
Vol 139 (9) ◽  
pp. 1233-1236 ◽  
Author(s):  
Steven E. Yergeau ◽  
Christopher C. Obropta
Keyword(s):  
Soil Compaction ◽  
Field Evaluation ◽  
Rain Gardens

The performance of LID (low impact development) practices at different locations with an urban drainage system: a case study of Longyan, China

2015 ◽  
Vol 10 (4) ◽  
pp. 739-746 ◽  
Author(s):  
Peng Li ◽  
Jun Liu ◽  
Rui Fu ◽  
Xin Liu ◽  
Yanyan Zhou ◽  
...  
Keyword(s):  
Land Surface ◽  
Peak Flow ◽  
Low Impact Development ◽  
Drainage System ◽  
Green Roofs ◽  
Similar Degree ◽  
Rain Gardens ◽  
Runoff Generation ◽  
Permeable Pavements ◽  
Rain Barrels

Urbanization has strongly changed the condition of the land surface and therefore rainfall runoff varies greatly. Peak flood flow and flood volumes increase with runoff volume. Low Impact Development (LID) is a sustainable concept that minimizes the effects of urbanization to maintain natural hydrological function in urban cities and has therefore gained increasing attention. This paper studies the effects of low impact development measures on the reduction of runoff generation and peak runoff at different locations in Longyan, China. The study was conducted using the SWMM model (5.1.006) with a newly developed LID module. In this study, the LID module, which includes rain gardens, green roofs, permeable pavements, and rain barrels, was used to simulate different layout scenarios and different rainfall patterns. The results show that the performance of a certain LID is similar at different locations but the reduction effect on runoff and peak flow varies. Rain gardens and permeable pavements perform a similar degree of reduction under different durations, but the peak flow reduction by rain barrels and green roofs varies greatly. Further research should focus on composite LID applications in other locations, combination with the local pipe network layout, which will ensure that the implemented system will be aesthetically pleasing, economically viable, and effective for reducing runoff and peak flow.

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