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DESCRIPTION:Register for this STARS event\n\nThree researchers from the Dep
 artment of Earth and Planetary Sciences will talk about some of their curr
 ent work.\n\nDr. Veronica Prush\n	How can remote sensing maps of southern Q
 uébec be used to forecast Montréal’s future earthquake risk?\n\nPreparing 
 for a future earthquake and creating resilient communities requires knowin
 g the scale of the threat that earthquakes pose to a region. As a tectonic
  geomorphologist – a geologist who studies the Earth’s surface to determin
 e its history of activity – the goal of my research is to map faults and d
 etermine their historical activity for input into hazard models. I’ll disc
 uss how the unknown history of earthquake activity in southeastern Québec 
 may pose a bigger threat to Montréal than has previously been recognized\,
  and how remote sensing technologies might hold the key to understanding t
 his previously hidden hazard.\n\nDr. Alissa Kotowski\n	Gone to Gaspé: Recor
 ds of ancient tectonic collision and recycling of Earth's crust in rocks a
 t the summit of Mont Albert (Gaspé\, Québec)\n\nOur Earth's surface is mad
 e up of a mosaic of constantly-moving tectonic plates. Where slow-moving p
 lates collide\, if one tectonic plate is denser than another\, it plunges 
 into the mantle forming a subduction zone\, thus recycling Earth's crust\,
  generating earthquakes and volcanic eruptions\, and generating a driving 
 force that perpetuates plate tectonic movement. Subduction zones make up ~
 55\,000 km of the Earth's tectonic plate boundaries today\, but geologists
  still debate how subduction zones initiate and evolve into self-sustainin
 g systems. Rare rocks exposed on the surface of the Earth\, like those at 
 the summit of Mont Albert (Gaspe\, Quebec)\, record evidence for subductio
 n initiation. In this talk I will show some examples of these spectacular 
 rocks\, and how geologists use them as clocks to figure out when subductio
 n initiated in Earth's past\, and as thermometers to figure out how Earth'
 s temperature changed within a newly-forming plate boundary. Geologic cons
 traints on when and how subduction zones initiated in Earth's past provide
  crucial context for active subduction processes\, since we can't directly
  observe rocks that form deep in subduction zones today.\n\nBenjamin Keena
 n\n	Understanding ancient Maya responses to climate change\n\nBy extracting
  and analysing molecules from lake sediment cores we can build up a pictur
 e of changing population and climate over thousands of years. We are also 
 able to determine an area's fire history\, and how vegetation changed over
  time. We apply these techniques to look at the complex interplay of envir
 onmental and societal changes in the southwest Maya lowlands\, over 3300 y
 ears.\n\n\nAbout STARS\n\nSTARS (Scientists Talk About Research for Staff)
  is a series of special lunch-hour talks and visits to science related sit
 es and institutes specifically for Faculty of Science support staff.\n\nBi
 centennial STARS for 2021\n\nTo honour ºÚÁÏÍø±¬³Ô¹Ï's Bicentennial year\, STARS 
 is celebrating young ºÚÁÏÍø±¬³Ô¹Ï scientists with seven monthly lunch-hour prese
 ntations that will take you behind the scenes to never before seen labs an
 d experimental research areas where graduate students will share all kinds
  of insights into their work and research efforts.\n\nThe Bicentennial STA
 RS series will be co-hosted by student ambassadors\, Yael and Micaela Lewi
 s\, twin sisters in their fifth year of a BSc in Biology\, both minoring i
 n Natural History. Yael and Micaela have been very involved in the ºÚÁÏÍø±¬³Ô¹Ï 
 Debating Union\, and are excited to bring together their passions for scie
 nce and communication as student ambassadors.\n\nRegister for this STARS e
 vent   See more Faculty of Science staff events\n
DTSTART:20210929T160000Z
DTEND:20210929T170000Z
SUMMARY:Bicentennial STARS: Earth & Planetary Sciences research presentatio
 ns
URL:/science/channels/event/bicentennial-stars-earth-p
 lanetary-sciences-research-presentations-328189
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