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TZUNTIL:20161030T010000Z
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DTSTART:20141026T030000
TZOFFSETFROM:+0200
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RDATE:20151025T030000
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DTSTART:20140330T020000
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RDATE:20150329T020000
RDATE:20160327T020000
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BEGIN:VEVENT
UID:www.hydro.uni-bayreuth.de-bayceer-t125586id
DTSTAMP:20260913T051939Z
DESCRIPTION:Vortragender: Alana Steinbauer\nTitel: Translatory flow as a me
 chanisms for carbon and nutrient mobilization from peat lands.\nAbstract:
 \nPeatlands are one of the world’s largest carbon reservoirs. They are  al
 so significant carbon sources to the atmosphere\, streams and rivers.  Whi
 le there is currently a large effort to understand and quantify  atmospher
 ic fluxes\, there is still little known about mechanisms driving  carbon f
 luxes and carbon sources to streams. The dominant carbon flux  out of peat
 lands to streams is DOC\, dissolved organic carbon\, but also  includes ga
 seous species CO2 and CH4. It is important to understand  carbon fluxes ou
 t of peat lands because it can be a large source of  carbon for rivers\, D
 OC can complex many metals such as Fe\, and on  oxidation produces CO2. It
  can also be an important energy source for  bacteria. One mechanism for m
 obilizing old water and associated solutes  is translatory flow. This is w
 here the pressure exerted by rainfall at  the surface of the water table p
 roduces a pressure gradient across the  aquifer causing older water to be 
 discharged at the aquifer boundaries.  This mechanism has been discussed e
 xtensively in head water catchments  when trying to understand how old wat
 er is mobilized rapidly following  storm events. However\, little is known
  about how it affects peatlands\,  and the relevance for fluxes of biogeoc
 hemically relevant compounds such  as DOC\, CO2 and CH4. This project will
  simulate a heavy rainfall event  by pumping water from a creek onto the p
 eat surface. We will then  monitor fluxes of water and biogeochemically re
 levant elements and  molecules at the peat boundary (trench). It is hoped 
 that this will shed  light on how old water containing abundant DOC and ot
 her compounds is  mobilized into creeks during heavy rainstorms.
DTSTART;TZID=Europe/Berlin:20141103T090000
DTEND;TZID=Europe/Berlin:20141103T100000
LOCATION:K1
SUMMARY:Lehrstuhlseminar
TRANSP:TRANSPARENT
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