Abstract
Samples of recent sediments from 18 sites in Lake Illawarra showed marked enrichment of copper, zinc, cadmium and lead. The highest concentrations were found in Griffins Bay in the north-east corner of the lake, which is closest to the Port Kembla industrial complex. Maximum enrichments for copper, zinc and lead are respectively 4, 34 and 11 times the background concentrations found in deep cores. By comparison of vertical profiles of heavy metal concentration with historical data on the growth of metal smelting industries in the Illawarra region, the recent sedimentation rate has been estimated as 2.5-3 mm/year. A depth of 40-50 cm below the surface of the sediment marks the beginning of human influence on the lake.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
