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SUMMARY:Learning from rivers about long-term controls on Earth’s climate
  - Dr Jotis Baronas (Department of Earth Sciences\, Cambridge)
DTSTART:20190314T131000Z
DTEND:20190314T140000Z
UID:TALK117136@talks.cam.ac.uk
CONTACT:Domi Baretic
DESCRIPTION:The study of rivers offers important insights into why our pla
 net looks the way it does. The interaction of rocks with water shapes land
 scapes\, supplies nutrients to ecosystems\, and consumes atmospheric CO2. 
 The relative stability of Earth’s climate over the past 500 million year
 s has allowed life to flourish\, and is controlled by a delicate and compl
 ex balance between tectonics\, rock weathering\, and the evolution of life
 . It is\, however\, punctuated by large climatic perturbations that have t
 ypically resulted in mass extinctions.\n \nRiver catchments integrating ov
 er large continental areas allow us to assess the net effects of water-roc
 k interaction on a globally significant scale. By studying world's large r
 ivers we can therefore better understand and quantify the global importanc
 e of rock weathering and its impact on Earth's climate. However\, represen
 tative sampling of large rivers is non-trivial and requires advanced techn
 iques. I will demonstrate some state of the art techniques employed by the
  Cambridge rivers research group\, as well as how our research in Southeas
 t Asia is helping shed light on the complex controls on the global climate
 .
LOCATION:The Richard King Room\, Darwin College
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