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SUMMARY:Hydro-environmental processes of Poyang Lake subject to engineerin
 g control - Jonathan Ho\, CUED
DTSTART:20180607T150000Z
DTEND:20180607T154500Z
UID:TALK102289@talks.cam.ac.uk
CONTACT:Magdalena Charytoniuk
DESCRIPTION:Poyang Lake\, the largest freshwater lake in China\, plays a k
 ey role in regulating the hydrology\, water quality and ecosystem in the m
 iddle reaches of the Yangtze River. Recent industrial development and urba
 nization in Jiangxi province have driven rapid increase in water consumpti
 on and deterioration of water quality\, exerting pressure on water utiliza
 tion in the Poyang Lake basin. In order to set up an integrated water mana
 gement framework for the protection of Poyang Lake’s ecosystem and surro
 unding communities\, an accurate and representative evaluation of the hydr
 aulic and environmental challenges is vital. In this research\, a numerica
 l model is developed and utilized to simulate the hydrodynamics and water 
 quality of Poyang Lake and its surrounding river networks. The study coupl
 es an in-house 1-D river network hydrodynamic and mass transport model tog
 ether with MIKE\, a 2-D hydrodynamic and water quality model. The model is
  validated against field-measured data from the local water authorities. T
 he impact of the proposed downstream barrage on Poyang Lake’s hydrodynam
 ics and water quality is then investigated. It is concluded that: (1) the 
 establish integrated model is capable of simulating the hydrodynamic and w
 ater-quality processes of the Poyang Lake\; and (2) the operation of propo
 sed barrage has large effects on the nutrients distribution and water reso
 urces availability. The findings of the study contribute to a better under
 standing of the fate of Poyang Lake's pollutants and the influence of the 
 proposed hydraulic projects on the lake's flow and ecosystem. Many of thes
 e findings will also be relevant to large freshwater lakes in other develo
 ping countries and will contribute to the fields of water engineering and 
 water management.
LOCATION: Cambridge University Engineering Department\, Lecture Room 6
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