ArticleEnvironmental science and pollution research international2010
A novel method using sedimentary metals and GIS for measuring anthropogenic change in coastal lake environments.
Article in Environmental science and pollution research international, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 22 citations in OpenAlex.
- The use of sedimentary metal data in predictive modelling of estuarine contamination, assessment of environmental condition and pollutant source identification (Narrabeen Lagoon, Sydney, Australia).Environmental science and pollution research international · 2020Article
- Dynamic monitoring and prediction of Dianchi Lake cyanobacteria outbreaks in the context of rapid urbanization.Environmental science and pollution research international · 2017Article
- Development of an estuarine assessment scheme for the management of a highly urbanised catchment/estuary system, Sydney estuary, Australia.Environmental monitoring and assessment · 2016Article
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Authors and funding
2 authors at 1 institution in 1 country.
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Abstract
BACKGROUND, AIM AND SCOPE: A new method using sedimentary metals and geographic information system as indicators for assessing temporal and spatial anthropogenic change in estuaries has been applied to a large coastal lake (Lake Macquarie) in New South Wales, Australia. MATERIALS, METHODS AND
resultsTwo vintages of data (1975 and 2003) on surficial sediment metal (Cd, Cu, Pb and Zn) concentrations combined with (210)Pb core profiles were used to determine past changes in sediment quality and to predict possible future relaxation rates for the entire lake area in response to change in anthropogenic pressure. Sediment cores showed distinct vertical profiles; sedimentation rates in the northern part of the lake were consistent (14 mm year(-1)) over the 55-year period investigated. DISCUSSION AND
conclusionsSurficial metal concentrations were highest in the 1975 sediment than in the 2003 samples, with the northern part of Lake Macquarie having much greater metal concentrations than the rest of the lake. Past and future declining sedimentary metal concentrations in the northern part of the lake were expected due to the closure of a nearby Pb-Zn smelter; however, possible increases in Cu in the south of the lake to the year 2020 were surprising. The new method presented in this study can assist estuary managers by providing data on past, present and future conditions, which are essential in making informed decisions for the improvement of estuarine systems.
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