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SUMMARY:EESS talk on "The Lake Kivu Project by Deltares"
DTSTART:20180313T121500
DTEND:20180313T131500
DTSTAMP:20260430T061942Z
UID:cdb2b6c577bc10f7a8a7576d6917ca621a673eb3cc4c2bd2491f7870
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dr Rob Uittenbogaard\, Deltares\, NL - visiting scientist @ EC
 OL\nAbstract:\nDeltares combines research and projects in the field of wat
 er\, subsurface and infrastructure with main focus on river basins\, delta
 s and coastal regions. Deltares employs over 800 people with an annual tur
 nover of 100 M€ and is based in Delft and Utrecht in The Netherlands.\n
  \nFrom March 1st until Mach 31st I am hosted by prof. Barry (Ecological 
 Engineering Laboratory - ECOL). Following a brief introduction of Deltares
 \, the presentation is about the motivation and objectives of the Lake Kiv
 u project with partners Deep\, Nortek\, Eawag and EPFL\, commissioned by R
 EG/EDCL of Rwanda and supervised by LKMP.\nSurface-wave properties and ADC
 P velocity profiles over the entire depth are recorded by Deep and Nortek 
 at three sites by a single sub-surface mooring deployed for 120 days per s
 ite. In this project the hydrodynamic Delft3D-FLOW code\, coupled to simul
 ated meteorology above the lake\, is used as framework representing the es
 sence of much research performed by Eawag\, ETH and EPFL in Lake Kivu. Exa
 mples are presented on the intriguing physics and hydrodynamics in this 48
 5 m deep lake of 500 km³ volume\, starting with its remarkable storage of
  methane extracted for electricity generation.\nExamples are the wind-driv
 en surface circulation and patterns by the whiting phenomenon induced by a
 lgae blooms\, the meteorology simulated and observed at an on-lake station
 \, in-situ and simulated seasonal thermal stratification\, double-diffusio
 n by stable salinity and unstable temperature profiles\, simulation of dee
 p internal motions as well as shearing and the hypothetical consequences o
 f a deep gas blow-out as simulated by a near-field integral bubble plume m
 odel two-way coupled to far-field hydrodynamics (1DV or Delft3D-FLOW).\n\n
 \nShort biography:\nRob Uittenbogaard (65) is senior specialist in hydrody
 namics and related physics in environmental water and former member of Del
 tares’ Science Council. His research includes observations and 3D numeri
 cal simulations of turbulence and internal waves in density-stratified wat
 er\, salt intrusion in estuaries and in shipping locks\, mixing and transp
 ort in thermally-stratified lakes and reservoirs\, surface-wave/current in
 teraction\, sediment transport\, flow through rigid and flexible vegetatio
 n\, bubble plumes in lakes and bubble screens in shipping locks.
LOCATION:GR A3 32 https://plan.epfl.ch/?room==GR%20A3%2032
STATUS:CONFIRMED
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