N. D. K. Dayawansa

A comparison of methods used in estimating missing rainfall data

R. P. De Silva, N. D. K. Dayawansa, M. D. Ratnasiri · Journal of Agricultural Sciences – Sri Lanka · 2007 · 100 citations · Full text

Environmental Monitoring, Engineering, Weather Forecasting +18

Spatio-temporal analysis of water quality for pesticides and other agricultural pollutants in Deduru Oya river basin of Sri Lanka

M. M. J. G. C. N. Jayasiri, Sudhir Yadav, N. D. K. Dayawansa et al. · Journal of Cleaner Production · 2021 · 93 citations · Full text

Groundwater Quality, Environmental Chemistry, Environmental Monitoring +13

Morphometric analysis of the Gal Oya river basin using spatial data derived from GIS

N. S. Withanage, N. D. K. Dayawansa, R.P. De Silva · Tropical Agricultural Research · 2015 · 76 citations · Full text

Engineering, Geomorphology, Postgraduate Institute +24

Climate Change Vulnerability in Agriculture Sector: An Assessment and Mapping at Divisional Secretariat Level in Sri Lanka

M. Wickramasinghe, Ranjith Premalal De Silva, N. D. K. Dayawansa · Earth Systems and Environment · 2021 · 22 citations

Climate Resilience, Agricultural Resilience, Engineering +14

TOPCAT‐NP: a minimum information requirement model for simulation of flow and nutrient transport from agricultural systems

Paul Quinn, Caspar Hewett, N. D. K. Dayawansa · Hydrological Processes · 2007 · 21 citations

Hydrological Prediction, Engineering, Land Use +21