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CATEGORIES:Institute for Energy and Environmental Flows (IEEF
 )
SUMMARY:Taking the Plunge: Stages of a dense river inflow 
 into a lake - Charlie Hogg
DTSTART;TZID=Europe/London:20130214T113000
DTEND;TZID=Europe/London:20130214T123000
UID:TALK42327AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/42327
DESCRIPTION:The fate of river water entering a lake remains an
  uncertainty in many important limnological questi
 ons. The questions that still need addressing incl
 ude how water management practices can be  improve
 d and how lake ecosystems will change in future cl
 imate scenarios. I will describe a field campaign 
 which investigated the transport and mixing of a r
 iver inlet into Lake Iseo\, Italy. We observed the
  inflow to fall laterally after entering the lake.
  We suggest that this is caused by a lateral falli
 ng mechanism which occurs when the internal Froude
  number is slightly larger than unity. In addition
 \, measurements of a range of tracers were taken t
 o find the dilution of the river after it had star
 ted to intrude into the lake. Our results found se
 lf-consistent mixing rates from the available natu
 ral tracers. We will also discuss on-going laborat
 ory experiments analogous to the underflow stage o
 f the river inflow.\n
LOCATION:Open Plan Area\, BP Institute\, Madingley Rise CB3
  0EZ
CONTACT:Catherine Pearson
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