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Dr Albert Galy, Department of Earth Sciences, Cambridge
Thursday 28 January 2010, 19:30-20:30
Plant-induced weathering and climate change: Insight from non-traditional stable isotopes
- 👤 Speaker: Dr Albert Galy, Department of Earth Sciences, Cambridge
- 📅 Date & Time: Thursday 28 January 2010, 19:30 - 20:30
- 📍 Venue: Wolfson Lecture Theatre, Department of Chemistry, Lensfield Rd, CB2 1EW
Abstract
At geological time scale, the Earth’s surface has recorded temperature changes in the order of a couple of 10ºC, a narrow change compared to what is known for other planets like Venus and Mars. These temperature changes can be understood from chemical weathering of silicate rocks by the atmospheric CO2 as well as biologically enhanced weathering. Dr Galy will highlight how the balance of two isotopes of Calcium – 44Ca and 42Ca – can be used to monitor and understand climate changes in the past. This knowledge is highly important if we want to predict future climate, and more importantly, understand and influence global warming.
Series This talk is part of the ChemSoc - Cambridge Chemistry Society series.
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