The pollution conveyed by urban runoff: A review of sources

Müller, Alexandra; Österlund, Heléne; Maršálek, Jiří; Viklander, Maria

doi:10.1016/j.scitotenv.2019.136125

Cited by 478 publications

(231 citation statements)

References 184 publications

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“…Additionally, assessing behavioral effects (e.g., invertebrate drift or emergence dynamics) due to short peaks of electrical conductivity during winter, which corresponds to the dry season in mountain catchments, will broaden the understanding of salinization effects for aquatic organisms in Alpine rivers. Finally, further studies should also consider the interaction of salts with other stressors (Velasco et al 2019), such as materials derived from traffic (e.g., fine dust, particulate inorganic matter, nitrogen oxide, rubber abrasion) that accumulate in snow next to roads during the winter and are partly transported into the rivers during spring melting events (Krein and Schorer 2000;Kaushal et al 2017;Müller et al 2020).…”

Section: Discussionmentioning

confidence: 99%

Salinization of Alpine rivers during winter months

Niedrist

Cañedo‐Argüelles

Cauvy‐Fraunié

2020

Environ Sci Pollut Res

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Human-induced (i.e., secondary) salinization affects aquatic biodiversity and ecosystem functioning worldwide. While agriculture or resource extraction are the main drivers of secondary salinization in arid and semi-arid regions of the world, the application of deicing road salt in winter can be an important source of salts entering freshwaters in cold regions. Alpine rivers are probably affected by salinization, especially in highly populated mountain regions, although this remains to be explored. In this study, we analyzed multi-year conductance time series from four rivers in the European Alps and demonstrated that the application of deicing road salt is linked to peaking rivers’ salinity levels during late winter/early spring. Especially in small catchments with more urban surfaces close to the rivers, conductance increased during constant low-flow periods in late winter and was less correlated with discharge than in summer. Thus, our results suggest that small rivers highly connected to urban infrastructures are prone to considerable salinity peaks during late winter/early spring. Given the low natural level of salinities in Alpine rivers, the aquatic biodiversity might be significantly affected by the recorded changes in conductance, with potential consequences on ecosystem functioning. Thereby, we urge the research community to assess the impact of secondary salinization in Alpine rivers and call for an implementation of management practices to prevent the degradation of these pristine and valuable ecosystems.

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Section: Discussionmentioning

confidence: 99%

Salinization of Alpine rivers during winter months

Niedrist

Cañedo‐Argüelles

Cauvy‐Fraunié

2020

Environ Sci Pollut Res

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“…The spike in concentrations near major highways and industrial complexes suggests some of these metals may have been introduced by anthropogenic means as runoff from road ways, rather than naturally occurring as trace concentrations in geologic sediments (MDOT, 1998;Müller et al, 2019). The geologic formations from the Wilcox and Claiborne groups are silicate-based claystones, siltstones, and sandstones with no appreciable metal concentrations associated with Cu, Hg, Pb, and Zn reported in the literature (Fisher, 1964;Eargle, 1968;Galloway et al, 2000).…”

Section: Discussionmentioning

confidence: 99%

“…As a contaminant, copper can also be disbursed by anthropogenic means such as mining, metal production, combustion of fossil fuels, industrial use in manufacturing, and agriculture. It has been used in brake pads for automobiles and can be introduced into the natural environment as runoff from parking lots and roadways (MDOT, 1998;Müller et al, 2019). Most copper compounds released to the atmosphere will settle and be bound to either water, sediment, or soil particles (Walther, 2014).…”

Section: Coppermentioning

confidence: 99%

Geochemical Characterization of Base Metals in Stream Water and Sediments in the Caddo Lake Watershed, Cass, Harrison and Marion Counties, Texas

Faulkner¹,

Ertons²,

Watkins³

2020

GEP

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The Caddo Lake watershed is located in northeastern Texas and encompasses much of Cass, Harrison, and Marion counties. The watershed is drained by major streams and tributaries flowing in an easterly direction over Eocene-aged rocks and sediments of the Wilcox and Claiborne groups, and empty into the western arm of Caddo Lake. Since 1995, Caddo Lake and some of its tributaries have been included on the State of Texas Clean Water Act 303(d) list by the Texas Commission on Environmental Quality (TCEQ) for impairment due to mercury content in edible tissue, depressed dissolved oxygen, base metal concentrations, and low pH values. The purpose of this multi-year study was to characterize base metal concentrations in stream water and sediments in the Caddo Lake watershed, and document the potential watershed transport and contribution to the impairment of Caddo Lake. Recent water (n = 58) and sediment (n = 116) sampling at 29 sites revealed copper, lead, and zinc concentrations within normal limits and below EPA actionable standards. Mercury concentrations were elevated at 21 of the 29 sampling sites, which could lead to methylation and bioavailability to organisms at all trophic level.

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“…Various studies have attempted to characterize typical pollutant concentrations in urban stormwater relative to drainage area land-use and various other factors [58][59][60][61][62][63][64][65]. Although GSI practices receive many of these pollutants, specific practices may be specifically suited to treating different pollutants and each practice has its own performance limitations [66,67].…”

Section: Overviewmentioning

confidence: 99%

It Is Not Easy Being Green: Recognizing Unintended Consequences of Green Stormwater Infrastructure

Taguchi

Weiss

Gulliver

et al. 2020

Water

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Green infrastructure designed to address urban drainage and water quality issues is often deployed without full knowledge of potential unintended social, ecological, and human health consequences. Though understood in their respective fields of study, these diverse impacts are seldom discussed together in a format understood by a broader audience. This paper takes a first step in addressing that gap by exploring tradeoffs associated with green infrastructure practices that manage urban stormwater including urban trees, stormwater ponds, filtration, infiltration, rain gardens, and green roofs. Each green infrastructure practice type performs best under specific conditions and when targeting specific goals, but regular inspections, maintenance, and monitoring are necessary for any green stormwater infrastructure (GSI) practice to succeed. We review how each of the above practices is intended to function and how they could malfunction in order to improve how green stormwater infrastructure is designed, constructed, monitored, and maintained. Our proposed decision-making framework, using both biophysical (biological and physical) science and social science, could lead to GSI projects that are effective, cost efficient, and just.

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The pollution conveyed by urban runoff: A review of sources

Cited by 478 publications

References 184 publications

Salinization of Alpine rivers during winter months

Salinization of Alpine rivers during winter months

Geochemical Characterization of Base Metals in Stream Water and Sediments in the Caddo Lake Watershed, Cass, Harrison and Marion Counties, Texas

It Is Not Easy Being Green: Recognizing Unintended Consequences of Green Stormwater Infrastructure

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