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UID:seminar-bb54874a-4d17-4f42-9700-fd349ba0ac3a@speakerslate.com
DTSTAMP:20260923T224626Z
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DTSTART:20261120T180000Z
DTEND:20261120T190000Z
SUMMARY:Gil Bohrer: Closing the carbon budget: understanding carbon flows
  and transitions in an Ohio coastal wetland
DESCRIPTION:Department of Civil\, Environmental and Geodetic Engineering\
 n\nWetlands are among the most productive and biodiverse ecosystems in t
 he world. Ohio made a large investment in wetlands by the H2Ohio program
  to improve water quality. Wetlands are also extremely important to the 
 global carbon budget\, as they are responsible for a very large fraction
  of the global methane emissions and for storing a large fraction of ter
 restrially sequestered CO2. Wetlands are intrinsically heterogenous. Thi
 s heterogeneity in hydrological dynamics and vegetation structure within
  wetlands leads to extreme within-site variability of CO2 uptake and met
 hane emission rates. \nMy group have been working in a lake-coastal wetl
 and\, at an estuary of Lake Erie in Ohio\, Old Woman Creek (OWC)\, which
  has one of the highest methane fluxes ever observed. We combined multip
 le types of measurements and multiple scales to quantify the differences
  in carbon processing between patch types within the wetland. We incorpo
 rated our insight from the field\, including a decade of EC flux measure
 ments and extensive chamber measurements\, into an advanced version of t
 he Department of Energy Earth System model (E3SM-ELM) and that allowed l
 arge improvement the model’s predictions of carbon emissions. However\, 
 even this advanced model could not replicate the high methane emissions.
 \nThe problem is that the current modeling approach only considers verti
 cal (water-atmosphere) carbon exchange\, while OWC's location at the est
 uary of a river draining an agricultural watershed makes the lateral flo
 w rich with carbon and nutrients. We provide some of the first estimates
  of full carbon budget of a natural wetland and show the importance of l
 ateral flow sfor the overall carbon processing in a wetland.\n\nJoin onl
 ine: https://teams.microsoft.com/meet/233641206799607?p=48kJ9h2xVt4Mlp8D
 8L\n\nhttps://speakerslate.com/events/gil-bohrer-zacbn
URL:https://speakerslate.com/events/gil-bohrer-zacbn
STATUS:CONFIRMED
TRANSP:OPAQUE
LAST-MODIFIED:20260923T224626Z
LOCATION:Flanagan 265
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