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Professor Karen Hudson-Edwards

Professor of Environmental Geochemistry and Mineralogy

Room 607, Malet St
Birkbeck, University of London

tel: 0203 073 8030
email: k.hudson-edwards@bbk.ac.uk

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Research News

New Paper on Tailings Dam Failures Published

A new review paper entitled 'Mine tailings dams: Characteristics, failure, environmental impacts, and remediation' has been published in Applied Geochemistry (2014, v. 51, p. 229-245). This is freely available here until 21st December 2014.

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NERC Urgency Grant

Karen Hudson-Edwards and colleagues from Aberystywyth University, Bangor University, Liverpool John Moores University and the University of Northern British Columbia, Canada, have received a NERC Urgency grant to work on the project 'The environmental impact of the Mount Polley mine tailings spill and related clean-up operations, British Columbia, Canada'. The spill, which occurred on August 4th, 2014, resulted in the discharge of 10 million m3 of water and 4.5 million m3 of copper-, selenium- and vanadium-bearing tailings to local waterways. The team will investigate the geochemical stability and reactivity of the spilled tailings, and the the impacts of the spill and related clean-up operations on longer-term recovery of terrestrial and aquatic environments. Look here for photos of the spill.

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Open-access paper on ancient African fish dust fertilising the Amazon

Bodele Phosphorus Summary Figure v2

Karen Hudson-Edwards has published an open access paper in Chemical Geology describing the solid-phase speciation of phosphorus in dusts and source sediments of the Saharan Bodélé Depression in Chad, the dustiest place on Earth. This work was carried out with colleagues Professor Charlie Bristow (Birkbeck), Dr Giannantonio Cibin (Diamond Light Source), Mr Gary Mason (Birkbeck) and Dr Caroline Peacock (Leeds). The paper describes, for the first time, the occurrence of relatively soluble fish bone and teeth in aeolian dusts. The Bodélé dusts have been shown to fertilise the equatorial Atlantic Ocean and the Amazon.

BBC article on this paper

Down to Earth article on this paper

Birkbeck article on this paper

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Karen Hudson-Edwards

Karen Hudson-Edwards

 
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