Conference Agenda
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Daily Overview |
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SES 1-2-1: Modelling of Blue-Green Infrastructure / NBS / SUDS / LID 1 Location: HSB0 Session Chair: Virginia Stovin Session Chair: Fabian Funke | |
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11:00am - 11:15am
Process-driven continuous infiltration and evapotranspiration model for green wall systems 1: Water Research Center, School of Civil and Environmental Engineering, UNSW Sydney, NSW 2052 Australia; 2: Institute for Artificial Intelligence Research and Development of Serbia, 21000 Novi Sad, Serbia Green walls have recently been adapted for urban water treatment, focusing on optimal media, plants, and system design. However, hydrodynamic studies on water balance and evapotranspiration (ET) capacity are lacking. This work introduces a novel continuous infiltration and ET model for green walls. A simplified process-driven model was developed and tested on experimental green walls in Sydney, Australia, with calibration and validation across multiple seasons and watering conditions. Calibration parameters include initial soil moisture, soil texture, and crop coefficient. Results show a good model fit for water flow, with Nash-Sutcliffe Efficiency (NSE) over 0.95 for individual events. Long-term ET simulations also performed well across seasons (average NSE 0.83 – 0.96). Continuous simulations of infiltration and ET showed good performance under various scenarios (NSE for flow and ET over 0.5 and 0.9, respectively). Initial moisture and soil texture were sensitive to the flow module, while crop coefficient significantly impacted long-term predictions. These models are useful for planning water balance in green walls and real-time monitoring, though future work should test them in different climate conditions. | |