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Assessment of sulfidic sediments at Back Creek, NSW

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posted on 2023-03-23, 18:30 authored by Darren S Baldwin, Mark A Fraser, Bernard McCarthy
"May 2008".

Project Number: Drought Contingency Monitoring Back Creek and Tumudgery - M/BUS/250.

MDFRC item.

1 of 4 reports associated with project see (Assessment of sulfidic sediments at Tumudgery Creek, NSW), (Drought Contingency Monitoring at Tumudgery Creek, NSW) and (Drought Contingency Monitoring at Back Creek, NSW).

Sediment cores (to a depth of 30 cm) were taken from six sites at Back Creek on 28 March 2008 to determine if sulfidic sediments were present, following the protocol outlined in Hall et al. (2006). There were only small amounts of SCr at all sites of Back Creek, therefore the amount of reactive sulfide present in the sediment that could oxidise and lead to acidification is low. Even though there was high net acidity at all Back Creek sites there is also a low risk of net acidification related to sulfidic sediments if the creek was dry for periods of time. It is suggested that any intervention such as wetland refilling be accompanied by a monitoring program, with particular emphasis on water column pH and conductivity.


Funding agency: Murray-Darling Basin Commission (now Murray-Darling Basin Authority). Client: Murray-Darling Basin Commission.


Publication Date



Murray-Darling Freshwater Research Centre.

Report Number

MDFRC Technical Report.

Rights Statement

Open Access. This report has been reproduce with the publishers permission. Permission to reproduce this report must be sought from the publisher. Copyright (2008) Murray-Darling Freshwater Research Centre.

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