Suspended pavement systems as opportunities for subsurface bioretention

Tirpak, R. Andrew; Hathaway, Jon M.; Franklin, Jennifer A.; Kuehler, Eric A.

doi:10.1016/j.ecoleng.2019.05.006

Cited by 11 publications

(7 citation statements)

References 31 publications

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“…The majority of experimental studies characterizing stormwater nutrient retention considered trees as part of NBS installations. These typically involved controlling stormwater inputs and soil hydrological conditions in mesocosms, either representing modular (Lim et al., 2021) or street‐scale bioretention systems (Denman et al., 2016; Tirpak, Hathaway, & Franklin, 2019) including those initiatives forming part of suspended pavement installations (Page et al., 2015; Tirpak et al., 2019b). The studies largely showed NBS to be beneficial, although those of Tirpak, Hathway & Franklin (2019), Tirpak, Hathway, Franklin, et al.…”

Section: Resultsmentioning

confidence: 99%

Woodland Establishment Reduces Nutrient Losses to Waterbodies in Urban Catchments: A Review of the Evidence

Hutchins

Baker

2023

Water Resources Research

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Systematic review of peer‐reviewed literature was undertaken to establish benefits of urban forests on reducing nutrient concentrations in adjacent or downstream waterbodies. Following screening, a small number of articles (40) were found relevant, representing studies quantifying non‐point source nutrient losses from urban and peri‐urban environments. Evidence was split between plot‐ and catchment‐scale. Plot‐scale studies often included evaluations of engineered nature‐based solutions. At catchment‐scale, studies of streamwater quality typically investigated influence of contributory catchment nutrient sources. Wide ranges of beneficial reductions were apparent, and at both scales not all studies identified significant benefits. Summarizing against this backdrop, at plot (micro‐) scale woodland reduces mean concentrations in runoff, soil or groundwater by an average of 44.2% for total nitrogen (TN) and 47.0% for total phosphorus (TP). At catchment (meso‐) scale, evidence suggests a 20% areal addition of forest at the expense of mixed urban fabric can reduce mean concentrations by 15.7% and 12.6% for TN and TP respectively. Additionally, some articles reveal potential drawbacks reducing benefits provided specifically by street trees and riparian woodland. Leaf litter falling on impervious surfaces can heighten risk of TP leaching to streams, but has little impact on TN. Riparian woodland was found to have complex water quality impacts. Canopy cover suppresses stream channel biological nitrogen uptake, which based on all evidence appears considerable. However, unshaded headwaters can foster accelerated primary productivity with undesirable downstream consequences. Overall, gathering further evidence is encouraged, given current uncertainties, especially to address differences between impervious, permeable and riparian urban woodland settings.

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Section: Resultsmentioning

confidence: 99%

Woodland Establishment Reduces Nutrient Losses to Waterbodies in Urban Catchments: A Review of the Evidence

Hutchins

Baker

2023

Water Resources Research

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“…For cities to have a truly effective mitigating tool, it is necessary to plan integrated green structures with an increase in permeable and semipermeable areas (Sabbion, 2018). In addition, the application of bioretention practices (Tirpak et al , 2019) and also the storage of residential rainwater in tanks for reuse in less noble activities, such as cleaning sidewalks or irrigating plants, are desirable (Deitch and Feirer, 2019).…”

Section: Resultsmentioning

confidence: 99%

Urban afforestation and its ecosystem balance contribution: a bibliometric review

Wiesel

Dresch

Santana³

et al. 2021

MEQ

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PurposeUrbanization is characterized mainly by changes in land use and conversion of natural areas into built environments, as well as by a series of impacts, such as loss of biodiversity, which interfere with the proper functioning of ecological networks.Design/methodology/approachThus, the authors apply a bibliometric analysis using the term “Urban Trees” in the “Web of Science” database, between 2009 and 2019, as a keyword to include all urban green structures and identify the main aspects of urban ecological relationships. They found 8,367 published articles.FindingsThis review identified the main countries and research institutions that operate in urban afforestation. In general, developing countries seek to understand the environmental benefits that urban afforestation can provide, demonstrating the importance of maintaining existing green areas in urban centers to promote the balance of the ecosystem. It depends directly on the flow of ecosystem services provided by green infrastructures in the city, contributing significantly to carbon sequestration, retention of particulate matter, mitigation of heat islands and reduction of surface runoff, directly favoring the health and well-being of the population. The authors conclude that the actions currently implemented in urban afforestation, especially to increase the richness and abundance of species, will be decisive for the future of urban centers and the construction of more sustainable and egalitarian cities.Originality/valueThis work sought to develop a bibliographic research based on information obtained by bibliometric analysis that has the ability to identify trends and volumes of scientific production in a given area of knowledge.

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“…The size of interventionareas varied from around 25m 2 (Tirpak et al, 2019) to 502km 2 (Holder and Gibbes, 2017), but this did not have a significant influence on results. Overall, although the tree species and type (coniferous or deciduous) is important, tree characteristics are more significant in determining the magnitude of impact on hydrologic regimes.…”

Section: Robustness and Consistency Of Evidencementioning

confidence: 88%

“…All primary evidence (quantitative observational and quantitative experimental studies) scored 1 for population relevance. Due to a lack of explicit reference to trees being planted or used one study scored low for intervention relevance: Tirpak et al (2019) reported the use of a tree in a suspended pavement study but did not study the impacts of the tree itself. Two primary studies received low scores for outcome relevance.…”

Section: Relevance Scoring (Population Intervention Outcome)mentioning

confidence: 99%

How robust is the evidence for beneficial hydrological effects of urban tree planting?

Baker

Hutchins

Miller

2021

Hydrological Sciences Journal

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Sustainable urban water management initiatives are increasingly required to combat rapid urbanisation and climate pressures. Initiatives include the role of tree planting for which there is need for strong evidence of benefits and drawbacks to support effective future planning. We report robustness of evidence from an assimilated database of urban hydrological impact studies which often had differing primary purposes. Consistent impacts were found at local level, with trees reducing runoff and infiltration. Despite the consistency of evidence, much is undermined by being somewhat lacking in robustness and scientific rigour. Many studies lack adequate controls, and models are often not strongly tested against observations. Moreover, evidence of impact at larger scales is lacking. Effects of tree characteristics were also investigated; such as maturity and species for which evidence is consistent and detailed, and arrangement for which there is less evidence. Realising the full potential of trees in urban water management decision-making would benefit from morerigorous evidence.

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Suspended pavement systems as opportunities for subsurface bioretention

Cited by 11 publications

References 31 publications

Woodland Establishment Reduces Nutrient Losses to Waterbodies in Urban Catchments: A Review of the Evidence

Woodland Establishment Reduces Nutrient Losses to Waterbodies in Urban Catchments: A Review of the Evidence

Urban afforestation and its ecosystem balance contribution: a bibliometric review

How robust is the evidence for beneficial hydrological effects of urban tree planting?

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