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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

Storage of surface water is widely regarded as a form of insurance against rainfall variability. However, creation of surface storage often endanger the functions of natural ecosystems, and, in turn, ecosystem services that bene t humans. The issues of optimal size, placement and the number of re...


Eriyagama, NishadiSmakhtin, V.Udamulla, L.[Centralized versus distributed reservoirs: an investigation of their implications on environmental flows and sustainable water resources management]Centralized versus distributed reservoirs: an investigation of their implications on environmental flows and sustainable water resources management

Selected rainfall characteristics derived by analyzing observed rainfall data in two Sri Lankan river basins (Malwathu Oya and Kalu Ganga) were compared with the perceptions of farmers. The rainfall characteristics used for this analysis are trends, onset and cessation dates, length of the growin...


Muthuwatta, Lal P.Perera, H.P.T.W.Eriyagama, NishadiSurangika, Upamali K.B.N.Premachandra, W.W.[Trend and variability of rainfall in two river basins in Sri Lanka: an analysis of meteorological data and farmers’ perceptions]Trend and variability of rainfall in two river basins in Sri Lanka: an analysis of meteorological data and farmers’ perceptions

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