Tracing the contribution from weathering to a glacial stream in Antarctica

• Main Authors: Hirst, Catherine, Opfergelt, Sophie, Gaspard, François, Hendry Katherine R, Mc Knight Diane, Welch Susan, Lyons W Berry, Hatton Jade E., Artic Week
• Other Authors: UCL - SST/ELI/ELIE - Environmental Sciences
• Format: Conference Object
• Language: English
• Published: 2019
• Subjects: weathering; permafrost; silicon; Antartica; Austral; McMurdo Dry Valleys; Crescent Stream; Antarc*; Antarctica; antartic*
• Online Access: http://hdl.handle.net/2078.1/224240

In high latitude environments, silicon is supplied to river waters by both glacial and non-glacial chemical weathering. The signal of these two end-members is often obscured by biological uptake and/or groundwater input in the river catchment. McMurdo Dry Valleys, characterised by extensive permafro...