Catchment condition as a major control on the quality of receiving basin sediments (Sydney Harbour, Australia)

Birch, G.F.; McCready, S.

doi:10.1016/j.scitotenv.2008.12.051

Cited by 61 publications

(22 citation statements)

References 60 publications

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“…Datry et al [15] determined this element content in the sediments from infiltration basins for rain runoffs in the vicinity of Lyon on the level of 623-1148, whereas Petavy et al [10] noted lead concentrations in the sediments from roads in western France ranging from 183-424 mg · kg -1 . Birch and McCready [16] reported lead content in the sediments originating from urbanized areas in Sydney on the level of 880 mg · kg -1 , while Murakami et al [17] determined this metal level in the sediments from runoffs from the roads in Tokyo up to 210 mg · kg -1 . Fig.…”

Section: Resultsmentioning

confidence: 99%

The Content of Lead, Cadmium and Mercury in Sediments from Rainwater Reservoirs Situated Along the National Road 4

Niemiec

2015

Chemistry-Didactics-Ecology-Metrology

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Abstract:The paper aimed at determining the pollution level of sediments collected from reservoirs receiving rainwater. The sediments were sampled from11 reservoirs on three dates: in May 2007, in April 2008 and in June 2008 in the following localities: Sulkow, Biskupice, Bodzanow and Suchoraba situated at a distance of ca 15 from each other. The contents of lead, cadmium, mercury and organic matter were assessed in the sediments. Lead content in the analysed sediments ranged from 9.87 to 61 mg · kg -2 with average for all samples 28.08 mg · kg -1 . Mean cadmium concentration in the studied sediments was 0.637 mg · kg -1 and fluctuated from 0.20 to 1.58 mg Cd · kg -1 . The quantities of mercury assessed in the sediments from rainwater reservoirs ranged from 0.337 to 0.864 mg · kg -1 . Considerable differences between studied metal concentrations were assessed among the studied reservoirs, however the trends of differences were similar at each sampling. Generally, the levels of cadmium and mercury assessed in the analyzed sediments were comparable to the sediments from urbanized areas of various cities in the world, whereas lead level in the sediments of the analysed reservoirs was generally much lower than reported for similar materials in literature. Regularly decreasing contents of all elements with growing distance from the Krakow agglomeration was noted. The reservoir situated closest to Krakow, in Sulkow is located 7 km from the city boundaries and borders on Wieliczka town, whereas the reservoir in Suchoraba is located 17 km from Krakow. At this distance metal concentrations in the sediments from rainwater reservoirs were diminishing several times, which suggests considerable effect of urban pollution on metal level in these sediments.

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Section: Resultsmentioning

confidence: 99%

The Content of Lead, Cadmium and Mercury in Sediments from Rainwater Reservoirs Situated Along the National Road 4

Niemiec

2015

Chemistry-Didactics-Ecology-Metrology

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“…Birch et al 1996;Hayes et al 1998;Birch and McCready 2009;Birch et al 2013), samples were analysed by conventional WD-XRF. As shown in Fig.…”

Section: Resultsmentioning

confidence: 99%

ITRAX Core Scanner Capabilities Combined with Other Geochemical and Radiochemical Techniques to Evaluate Environmental Changes in a Local Catchment, South Sydney, NSW, Australia

Gadd

Heijnis

Chagué‐Goff

et al. 2015

Micro-XRF Studies of Sediment Cores

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In this study, geochemical and radioanalytical techniques are used together with the ITRAX core scanner to reconstruct the environmental history of Mill Creek catchment, located on the south-western fringes of Sydney. This ITRAX capability study was undertaken to investigate environmental changes in a local catchment which incorporates a nuclear research reactor, a small legacy nuclear waste burial ground, extensive new housing developments, a large rubbish tip, as well as quarries. This catchment changed from being near pristine in the 1950's to an extensively developed catchment with wide ranging land uses. This rapid development has led to silting up near the mouth of the creek, and there is also evidence of periodic siltation triggered by catchment disturbance from local bushfires, associated with peaks in magnetic susceptibility. The sedimentary environment changed from a creek system to a mangrove swamp and saltmarsh. Changes in Cu, Zn and Pb distributions over the last 60 years suggest an anthropogenically-driven input, although concentrations measured by WD-XRF indicate that the level of urbanisation is lower in the study area than in many of the more industrialised and urbanised neighbouring catchments of Sydney estuary and Botany Bay. The activities of 239 + 240 Pu and 241 Am in the sediment are below detection limit, which strongly suggests that the legacy nuclear waste has not entered the creek system.

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“…Nevertheless, ecological impacts of stormwater on Sydney estuary have been exemplified by Stark (1998) and Courtenay et al (2005), who detected significant species assemblage shifts in invertebrate communities affected by stormwater pollution. Although research has primarily focused on ecological impacts associated with contaminants delivered during high-flow conditions, base-flow is likely to have significant environmental implications since these conditions have been identified as a primary cause of elevated concentrations of metals and nutrients in sediments near stormwater drain outlets in Sydney estuary (Birch and McCready 2009). Low-flushing rates in Sydney estuary during dry weather present highly-favourable conditions for accumulation of metals, nutrients and TSS contributed by base-flow conditions to sediments by chemical and biological processes (Förstner and Wittmann 1979).…”

Section: Magnitude Of Contaminants Dischargedmentioning

confidence: 99%

Metals, nutrients and total suspended solids discharged during different flow conditions in highly urbanised catchments

Beck

Birch

2011

Environ Monit Assess

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Stormwater discharged from highly urbanised catchments on the southern shore of Sydney estuary, Australia, has been identified as the primary source of contaminants responsible for ecological degradation and reduction in recreational value of the waterway. Effective management of this pollution requires knowledge of contaminant loads associated with various stormwater flow conditions in three highly urbanised catchments in Sydney estuary catchment. The majority (>90%) of metal (Cu, Pb and Zn) and total suspended solid annual loads were contributed during high-flow conditions (>50 mm rainfall day(t1)), whereas ≤55% of TN and ≤21% of total phosphorus were contributed to annual loading by dry weather base-flow conditions. All flow conditions posed an in-stream ecological threat because contaminant concentrations exceeded water quality guidelines for all analytes measured, except Pb. Irregular, temporal variability in contaminant concentrations associated with base-flow (within day and amongst days), high-flow (amongst events) and irregular discharges indicated that contaminant contributions in stormwater were strongly controlled by human activity in the three catchments. Significant variation in contaminant concentrations under all flow conditions revealed unique chemical signatures for each catchment despite similarities in land uses, location and geology amongst catchments. These characteristics indicate that assessment and management of stormwater pollution needs to be conducted on an individual-catchment basis for highly urbanised regions of Sydney estuary catchment.

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Catchment condition as a major control on the quality of receiving basin sediments (Sydney Harbour, Australia)

Cited by 61 publications

References 60 publications

The Content of Lead, Cadmium and Mercury in Sediments from Rainwater Reservoirs Situated Along the National Road 4

The Content of Lead, Cadmium and Mercury in Sediments from Rainwater Reservoirs Situated Along the National Road 4

ITRAX Core Scanner Capabilities Combined with Other Geochemical and Radiochemical Techniques to Evaluate Environmental Changes in a Local Catchment, South Sydney, NSW, Australia

Metals, nutrients and total suspended solids discharged during different flow conditions in highly urbanised catchments

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