A computationally efficient open-source water resource system simulator - Application to London and the Thames Basin

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Interactive River-Aquifer Simulation-2010 (IRAS-2010) is a generalized water resource system simulation model. IRAS-2010 is a new release of IRAS previously released by Cornell University in 1995. Given hydrological inflows, evaporation rates, water allocation rules, reservoir release rules, consumptive water demands and minimum environmental flows, IRAS-2010 estimates flows, surface water and groundwater storage, water use, energy use, and operating costs throughout the water resource network at each user-defined time-step. Multi-reservoir release rule curves, streamflow routing, regional groundwater flow, ecological flows, hydropower, pumping, desalination, and other features can be represented. The IRAS-2010 model is linked to a generic user-interface called HydroPlatform; both model and user-interface are open-source. We present an IRAS-2010 model of London's conjunctive use water resource system that satisfactorily emulates a more sophisticated model currently used by regulators. Results from daily and weekly time-step models are compared. IRAS-2010's fast run times make it appropriate for workshop settings and advanced planning methods that require many model evaluations. Model limitations, benefits, project organization and future plans are outlined. (C) 2011 Elsevier Ltd. All rights reserved.
    Original languageEnglish
    Pages (from-to)1599-1610
    Number of pages12
    JournalEnvironmental Modelling & Software
    Volume26
    Issue number12
    DOIs
    Publication statusPublished - Dec 2011

    Keywords

    • Water management models
    • Conjunctive use water resource systems
    • Decision support systems (DSS)
    • Simulation models
    • Open-source

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