1. Flood Hazard and Urban Pollution Research Centres, Middlesex University, Queensway, Enfield EN3 4SF, UK
2. Urban Pollution Research Centre, Middlesex University, Bounds Green Road, London N11 2NQ, UK
3. Department of Civil Engineering, University of Illinois, Champaigne-Urbana, Illinois, 61801, USA
4. Environmental Engineering Laboratory, University of Aalborg, Sohngaardsholmsvej 57, DK-9000, Aalborg, Denmark
5. National Rivers Authority, Rivers House, Waterside Drive, Aztec West, Almondsbury, Bristol BS12 2UD, UK
6. Wageningen Agricultural University, PO Box 8080, 6700 ER Wageningen, The Netherlands
7. Water Research Centre, Frankland Road, Blagrove, Swindon SN5 8YF, UK