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Impact of climate change on the hydrology of the Ganges River Basin (GRB) is simulated by using a hydrological model – Soil and Water Assessment Tool (SWAT). Climate data from the GCM, Hadley Centre Coupled Model, version 3 (HadCM3) was downscaled with PRECIS for the GRB under A1B Special Report ...


Muthuwatta, Lal P.Sood, AdityaSharma, Bharat R.[Model to assess the impacts of external drivers on the hydrology of the Ganges River Basin]Model to assess the impacts of external drivers on the hydrology of the Ganges River Basin
Muthuwatta, Lal P.Becht, R.[Longterm rainfall - runoff modeling using the Soil and Water Assessment Tool (SWAT): a case study of the Lake Naivasha Basin, Kenya]Longterm rainfall - runoff modeling using the Soil and Water Assessment Tool (SWAT): a case study of the Lake Naivasha Basin, Kenya

The objective of this study is to present an approach to calibrate a semi-distributed hydrological model using observed streamflow data and actual evapotranspiration time series estimates based on remote sensing data. First, daily actual evapotranspiration is estimated using available MODIS satel...


Muthuwatta, Lal P.Booij, M.J.Rientjes, T.H.M.Bos, M.G.Gieske, A. S. M.Ahmad, Mobin-ud-Din[Calibration of a semi-distributed hydrological model using discharge and remote sensing data]Calibration of a semi-distributed hydrological model using discharge and remote sensing data

Well-targeted programs of conjunctive use of groundwater and surface water can help overcome the problem of both floods and droughts, or in other terms meet the water demands for domestic as well as irrigation needs during the dry season. Addressing this, a novel form of conjunctive use managemen...


Brindha, KarthikeyanPavelic, PaulLagudu, SurinaiduMuthuwatta, Lal P.Eriyagama, NishadiAmarnath, GirirajSmakhtin, Vladimir U.[Novel conjunctive groundwater-surface water management for controlling floods and droughts [Abstract only]]Novel conjunctive groundwater-surface water management for controlling floods and droughts [Abstract only]
Muthuwatta, Lal P.Jayakody, Priyantha[Development and testing a spatially distributed hydrological model for meso-scale watershed: A case study from Hulanda Oya catchment Sri Lanka]Development and testing a spatially distributed hydrological model for meso-scale watershed: A case study from Hulanda Oya catchment Sri Lanka

Water productivity (WP) mapping is essential to evaluate the performance of current water use at the river basin scale. WP mapping is also essential to identify opportunities to improve the net gain from water by either increasing the productivity for a given consumption of water or reducing cons...


Ahmad, Mobin-ud-DinIslam, AminulMasih, IlyasMuthuwatta, Lal P.Karimi, PooladTurral, Hugh[Mapping basin level water productivity using remote sensing and secondary data in the Karkheh River Basin, Iran]Mapping basin level water productivity using remote sensing and secondary data in the Karkheh River Basin, Iran

Changes in future rainfall distribution for the agro-ecological regions of Sri Lanka were analyzed. The baseline period to compare future predictions was taken as 1970 to 2000. Downscaled climate change prediction grids were extracted from the UK Hadley Centre for Climate Prediction and Research ...


Muthuwatta, Lal P.Liyanage, Panni Kankanamlage Nirosha Chandani[Impact of rainfall change on the agro-ecological regions of Sri Lanka]Impact of rainfall change on the agro-ecological regions of Sri Lanka

Flood water harvesting and underground storage is a concept that has received significant attention in many regions of the world. Its intention is to capture floodwater from currently flooded areas and to store it for later use, in order to both, reduce damage caused by floods, as well as to sati...


Eriyagama, NishadiMuthuwatta, Lal P.Thilakarathne, Madusanka[Minimizing flood damage and augmenting dry season water availability: prospects for floodwater harvesting and underground storage in Sri Lanka]Minimizing flood damage and augmenting dry season water availability: prospects for floodwater harvesting and underground storage in Sri Lanka

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