Raingauge quality-control algorithms and the potential benefits for radar-based hydrological modelling

Howard, Phil J.; Cole, Steve J.; Robson, Alice J.; Moore, Robert J.. 2012 Raingauge quality-control algorithms and the potential benefits for radar-based hydrological modelling. In: Moore, R.J.; Cole, S.J.; Illingworth, A.J., (eds.) Weather Radar and Hydrology, Proc. Exeter Symp., April 2011. International Association of Hydrological Sciences, 219-224. (IAHS Publ., 351).

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Raingauges and weather radar are essential sources of rainfall information for hydrological modelling and forecasting. However, significant errors in raingauge time-series can drastically affect raingauge-only and combined radar-raingauge rainfall estimates. In turn, these errors can have a negative impact on hydrological model calibration, performance and failure diagnosis. This study considers the automated quality-control of 15 minute rainfall totals obtained from 981 tipping-bucket raingauges across England & Wales. The Grid-to-Grid distributed hydrological model, now operated by the Flood Forecasting Centre in support of national flood warning, is used with gridded rainfall estimates to assess the utility of the raingauge quality-control procedures. Although a historical dataset is used here for demonstration and assessment purposes, the automated algorithms have been designed for implementation in real-time.

Item Type: Publication - Book Section
Programmes: CEH Topics & Objectives 2009 - 2012 > Water > WA Topic 3 - Science for Water Management > WA - 3.1 - Develop next generation methods for river flow frequency estimation and forecasting
UKCEH and CEH Sections/Science Areas: Boorman (to September 2014)
ISBN: 9781907161261
Additional Information. Not used in RCUK Gateway to Research.: Freely available via Official URL link.
Additional Keywords: quality control, raingauge errors, hydrological modelling, automated, flood forecasting, radar
NORA Subject Terms: Meteorology and Climatology
Atmospheric Sciences
Date made live: 24 Sep 2012 14:09 +0 (UTC)

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