Professional summary
Research Interests
River hydraulics, hydraulic and hydrological modelling, flood conveyance, flow behaviour through and around vegetation in natural rivers, sediment transport behaviour, turbulence measurements and modelling, flood and drought impact, aquatic weed management, river restoration, eco-hydraulics, fluvial ecosystems and physical habitat modelling, agro-hydrological modelling, irrigation water use efficiency, brackish water irrigation and yield response.
Brief CV
2003 - To date: Research Scientist, UK Centre for Ecology and Hydrology, Wallingford, UK
2000 - 2003: New Blood Fellowship, UK Centre for Ecology and Hydrology, Wallingford, UK
1998 - 2000: Post-doctoral Researcher Associate, Department of Civil and Building Engineering, Loughborough University, UK
1994 - 1997: Research Associate, Department of Engineering, University of Aberdeen, Scotland
Qualifications
1994–1997: Department of Engineering, University of Aberdeen, Aberdeen, Scotland. PhD: Conveyance Prediction for Meandering Two-stage Channel Flows.
1992–1993: Department of Computer Science, University of Wales, Swansea, Wales. MPhil: Numerical Simulation of Particle Settling in Newtonian and Non-Newtonian Fluids.
1989–1992: Department of Civil Engineering, University of Bradford, England. BSc (First Class) Civil and Structural Engineering.
1979–1988: St John's College, Jaffna, Sri Lanka. GCE'A' Levels: Applied Mathematics, Chemistry, Physics and Pure Mathematics.
1994–1997: Department of Engineering, University of Aberdeen, Aberdeen, Scotland. PhD: Conveyance Prediction for Meandering Two-stage Channel Flows.
1992–1993: Department of Computer Science, University of Wales, Swansea, Wales. MPhil: Numerical Simulation of Particle Settling in Newtonian and Non-Newtonian Fluids.
1989–1992: Department of Civil Engineering, University of Bradford, England. BSc (First Class) Civil and Structural Engineering.
1979–1988: St John's College, Jaffna, Sri Lanka. GCE'A' Levels: Applied Mathematics, Chemistry, Physics and Pure Mathematics.
Panels, committees and memberships
Member of the International Association for Hydro-Environment Engineering and Research (IAHR).
Member of the International Association for Hydro-Environment Engineering and Research (IAHR).
Selected publications
- Sediment and nutrient retention in ponds on an agricultural stream: evaluating effectiveness for diffuse pollution mitigation
- Effects of drip-irrigation regimes with saline water on pepper productivity and soil salinity under greenhouse conditions
- The effect of saline irrigation water on the yield of pepper: experimental and modelling study
- Instream and riparian implications of weed cutting in a chalk river
- Modelling river flow responses to weed management
- The application of LS-PIV to a small irregular river for inbank and overbank flows
- Flow modelling in gravel-bed rivers: rethinking the bottom boundary condition
- Inter-comparison and validation of computational fluid dynamics codes in two-stage meandering channel flows
- Modelling the influence of macrophyte patches on river flow
- Discharge estimation in small irregular river using LSPIV
Web tools and apps
Web Portal: Projected future changes in river flows across West Africa
Journal Paper: Rameshwaran, P, Bell, V A, Davies, H N & Kay, A L. 2021. How might climate change affect river flows across West Africa? Climatic Change, 169, 21. DOI: 10.1007/s10584-021-03256-0
Data (CMIP5): Rameshwaran, P, Bell, V A, Davies, H N & Kay, A L. 2021. Historical (1950–2005) and projected (2006–2099) hydrological model (HMF-WA) estimates of monthly mean and annual maximum river flows across West Africa driven by CMIP5 projected climate data. NERC EDS Environmental Information Data Centre. DOI: 10.5285/6429828f-6a06-4d2d-8f50-4910b18f7ff4
Data (CMIP6): Rameshwaran, P, Bell, V A, Brown, M J & Davies, H N. 2022. Historical (1950–2014) and projected (2015–2100) hydrological model (HMF-WA) estimates of monthly mean and annual maximum river flows across West Africa driven by CMIP6 projected climate data. NERC EDS Environmental Information Data Centre. DOI: 10.5285/346124fd-a0c6-490f-b5af-eaccbb26ab6b
Web Portal: Projected future changes in river flows across West Africa
Journal Paper: Rameshwaran, P, Bell, V A, Davies, H N & Kay, A L. 2021. How might climate change affect river flows across West Africa? Climatic Change, 169, 21. DOI: 10.1007/s10584-021-03256-0
Data (CMIP5): Rameshwaran, P, Bell, V A, Davies, H N & Kay, A L. 2021. Historical (1950–2005) and projected (2006–2099) hydrological model (HMF-WA) estimates of monthly mean and annual maximum river flows across West Africa driven by CMIP5 projected climate data. NERC EDS Environmental Information Data Centre. DOI: 10.5285/6429828f-6a06-4d2d-8f50-4910b18f7ff4
Data (CMIP6): Rameshwaran, P, Bell, V A, Brown, M J & Davies, H N. 2022. Historical (1950–2014) and projected (2015–2100) hydrological model (HMF-WA) estimates of monthly mean and annual maximum river flows across West Africa driven by CMIP6 projected climate data. NERC EDS Environmental Information Data Centre. DOI: 10.5285/346124fd-a0c6-490f-b5af-eaccbb26ab6b