Investigation of the thermodynamic component of Penman's method for estimating evaporation

M. Makdessi, Ataur Rahman, Golam Kibria, Andre Zeger, Robert M. Argent

Research output: Chapter in Book / Conference PaperConference Paper

2 Citations (Scopus)

Abstract

The study presented here was initially commissioned by the Sydney Catchment Authority (SCA) in 2004, in response to the independent recommendations for the improvement of evaporation estimates being used in SCA reservoir water balance models. A study by Sinclair Knight Merz (SKM) independently reviewed the WATHNET model used by the SCA, and suggested improvement of the basic "Pan Conversion" evaporation estimates used in the model. Best estimates suggest that evaporation can cause as much as 14 billion litres per month (14Ml/month) to be lost from water supply reservoirs in Sydney in the worst of conditions. This accounts for as much as 20% for worst months of all water lost from the main water supply reservoirs in Sydney, such as Warragamba Dam (Lake Burragorang) and Woronora Dam. These estimates are based on observations of historical Pan Evaporation data.
Original languageEnglish
Title of host publicationMODSIM05: International Congress on Modelling and Simulation: Advances and Applications for Management and Decision Making, Melbourne, 12-15 December
PublisherModelling & Simulation Society of Australia and New Zealand
Number of pages7
ISBN (Print)0975840002
Publication statusPublished - 2005
EventInternational Congress on Modelling and Simulation -
Duration: 12 Dec 2011 → …

Conference

ConferenceInternational Congress on Modelling and Simulation
Period12/12/11 → …

Keywords

  • Penman method
  • Sydney (N.S.W.)
  • evaporation
  • measurement
  • reservoirs
  • thermodynamics

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