Radar Based Flow and Water Level Forecasting in Sewer Systems:a danisk case study

Contribution for newspaper or weekly magazine English OPEN
Thorndahl, Søren ; Rasmussen, Michael R. ; Grum, M. ; Neve, S. L. (2009)
  • Publisher: Eidgenössische Technische Hochschule Zürich, Laboratorium für Lebensmittel-Verfahrenstechnik
  • Subject: Rain gauge | Weather radar | Forecast | Runoff modelling | Water aspects | CO-TREC

<p style="text-align: left">This paper describes the first radar based forecast of flow and/or water level in sewer systems in Denmark. The rainfall is successfully forecasted with a lead time of 1-2 hours, and flow/levels are forecasted an additional ½-1½ hours using models describing the behaviour of the sewer system. Both radar data and flow/water level model are continuously updated using online rain gauges and online in-sewer measurements, in order to make the best possible predictions. The project show very promising results, and show large potentials, exploiting the existing water infrastructure in future climate changes.</p> This paper describes the first radar based forecast of flow and/or water level in sewer systems in Denmark. The rainfall is successfully forecasted with a lead time of 1-2 hours, and flow/levels are forecasted an additional ½-1½ hours using models describing the behaviour of the sewer system. Both radar data and flow/water level model are continuously updated using online rain gauges and online in-sewer measurements, in order to make the best possible predictions. The project show very promising results, and show large potentials, exploiting the existing water infrastructure in future climate changes.
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