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Background: Between 1955 and 2011 there were marked fluctuations in suicide rates in Sri Lanka; incidence increased six-fold between 1955 and the 1980s, and halved in the early 21st century. Changes in access to highly toxic pesticides are thought to have influenced this pattern. This study inves...


Knipe, D.W.Padmanathan, P.Muthuwatta, Lal P.[Regional variation in suicide rates in Sri Lanka between 1955 and 2011: a spatial and temporal analysis]Regional variation in suicide rates in Sri Lanka between 1955 and 2011: a spatial and temporal analysis

Runoff generated in the monsoon months in the upstream parts of the Ganges River basin (GRB) contributes substantially to downstream floods, while water shortages in the dry months affect agricultural production in the basin. This paper examines the potential for subsurface storage (SSS) in the G...


Muthuwatta, Lal P.Amarasinghe, Upali A.Sood, AdityaLagudu, S.[Reviving the “Ganges Water Machine”: where and how much?]Reviving the “Ganges Water Machine”: where and how much?

The Ganges basin faces considerable spatial and temporal imbalance between water demand and availability. Lack of water storage infrastructure has led to this mismatch, wherein there are limited options to store flood water during the wet season and limited groundwater and surface water resources...


Chinnasamy, PennanMuthuwatta, Lal P.Eriyagama, NishadiPavelic, PaulLagudu, S.[Modeling the potential for floodwater recharge to offset groundwater depletion: a case study from the Ramganga basin, India]Modeling the potential for floodwater recharge to offset groundwater depletion: a case study from the Ramganga basin, India

The Ganges River Basin may have a major pending water crisis. Although the basin has abundant surface water and groundwater resources, the seasonal monsoon causes a mismatch between supply and demand as well as flooding. Water availability and flood potential is high during the 3–4 months of the ...


Amarasinghe, Upali A.Muthuwatta, Lal P.Surinaidu, L.Anand, SumitJain, S.K.[Reviving the Ganges water machine: why?]Reviving the Ganges water machine: why?

The SWAT (Soil and Water Assessment Tool) was used to evaluate the impacts of a climate scenario based on IPCC A1B emissions on flows in the Volta River basin in West Africa for 2021-2050 and 2071-2100, using 1983-2012 as the reference period. Overall, the simulation indicates increased variabili...


Sood, AdityaMuthuwatta, Lal P.McCartney, Matthew P.[A SWAT evaluation of the effect of climate change on the hydrology of the Volta River Basin]A SWAT evaluation of the effect of climate change on the hydrology of the Volta River Basin

Reviving the Ganges Water Machine (GWM), coined 40 years ago, is the most opportune solution for mitigating the impacts of recurrent droughts and floods in the Ganges River Basin in South Asia. GWM create subsurface storage (SSS) by pumping more groundwater from the aquifers before the monsoon fo...


Surinaidu, L.Muthuwatta, Lal P.Amarasinghe, Upali A.Jain, S.K.Kumar, S.Singh, S.[Reviving the Ganges water machine: accelerating surface water and groundwater interactions in the Ramganga sub-basin]Reviving the Ganges water machine: accelerating surface water and groundwater interactions in the Ramganga sub-basin

Spatially distributed actual evapotranspiration (ETa) values were estimated based on satellite data and the Surface Energy Balance System (SEBS) approach for the Karkheh River Basin, Iran. Nineteen cloud free MODIS (Moderate Resolution Imaging Spectroradiometer) images, representing a complete cr...


Muthuwatta, Lal P.Ahmad, Mobin-ud-DinRientjes, T.H.M.Bos, M.G.[Estimating the spatial variability of water consumption in the Karkheh River Basin, Iran - using MODIS data]Estimating the spatial variability of water consumption in the Karkheh River Basin, Iran - using MODIS data
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

This study was conducted to assess water availability and consumption in the Karkheh River Basin in Iran using secondary data and freely available satellite data. Precipitation was estimated using geo-statistical techniques while a Surface Energy Balance approach was selected for evapotranspirati...


Muthuwatta, Lal P.Ahmad, Mobin-ud-DinBos, M.G.Rientjes, T.H.M.[Assessment of water availability and consumption in the Karkheh River Basin, Iran using remote sensing and geo-statistics]Assessment of water availability and consumption in the Karkheh River Basin, Iran using remote sensing and geo-statistics

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