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SUMMARY:EESS talk on "Biological indicators for changes in groundwater pro
 perties"
DTSTART:20221011T121500
DTEND:20221011T131500
DTSTAMP:20260416T111156Z
UID:793206f09c95f0572ded7c15adce49b9a9df890976469679b720ca44
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dr Cara Magnabosco\, Assistant Professor\, Geobiology\, Dept. 
 of Earth Sciences\, ETHZ\nAbstract:\nDeep groundwater systems are traditio
 nally viewed as “energy-starved” environments lacking the high-energy 
 electron donors and acceptors available on Earth’s surface. However\, ne
 w research is revealing a more complex picture of subsurface life — one 
 that can experience rapid changes in physical-chemical conditions that lea
 d to changes in community composition and function. In groundwater ecosyst
 ems\, the mixing of fluids with contrasting redox chemistries at the inter
 section of fractures has been shown to introduce new substrates and stimul
 ate the expansion of microorganisms into higher-energy niches while resear
 ch on the “critical zone” has found that changes in land cover and/or 
 land use can change the biological and chemical properties of subsurface e
 cosystems and that extreme events such as heavy rainfall and earthquakes d
 ominate the transfer of energy and matter from the surface to shallow (<10
 0 m below land surface) subsurface environments. In this presentation\, we
 ’ll discuss the responses and adaptive strategies of microorganisms to t
 hese events\, paying special attention the subsurface ecosystems encounter
 ed throughout the new Bedretto Underground Laboratory for Geosciences and 
 Geoenergies in Ticino and how this information can be used to help inform 
 scientists and engineers about subsurface conditions and reservoir connect
 ivity.\n\nShort biography:\nDr Cara Magnabosco is a tenure-track assistant
  professor of geobiology at the ETH Department of Earth Sciences. Prior to
  joining ETH\, Cara was a research scientist at the Flatiron Institute Cen
 ter for Computational Biology and obtained her PhD from the Princeton Univ
 ersity Department of Geosciences under the supervision of T.C. Onstott. He
 r group studies the interactions between life and the environment to bette
 r understand the history of Earth’s surface\, atmosphere and biosphere a
 nd how these interactions may change in the future. Recent recognitions in
 clude the 2019 Deep Carbon Observatory Emerging Leader Award and research 
 media coverage for her role in the development of the ETH Center for the O
 rigins and Prevalence of Life.
LOCATION:GC B1 10 https://plan.epfl.ch/?room==GC%20B1%2010 https://epfl.zo
 om.us/j/63802032408
STATUS:CONFIRMED
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