Search Results - "Gunawardena, E. R. N."

Impacts of climate change on irrigation water demand of paddy: a case study from Hakwatuna Oya irrigation scheme in Sri Lanka by Rajendran, M., Gunawardena, E. R. N., Dayawansa, N. D. K.

“…Assessment of irrigation water requirement (IWR) is a prerequisite for planning and management of an irrigation scheme, particularly for a water short scheme…”
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Vulnerability of smallholder farmers to climate change: a case study from Hakwatuna-Oya irrigation scheme in Sri Lanka by Diyawadana, D. M. N., Pathmarajah, S., Gunawardena, E. R. N.

“…A system is said to be vulnerable when it is unable to cope with the adverse effects of climate change, including climate variability. Vulnerability is widely…”
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Resilience of farmers at water shortage situations in minor irrigation systems: a case study in Kurunegala District, Sri Lanka by Wijekoon, W. M. S. M., Gunawardena, E. R. N., Aheeyar, M. M. M., De Silva, W. P. R. P.

“…Farmers in Minor Irrigation Systems (MIS) experience many difficulties due to severe seasonal or year-round absolute water scarcity that affects their…”
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Perception-driven coping strategies for climate change by smallholder farmers in Sri Lanka: a case study in Hakwatuna-oya major irrigation scheme by Diyawadana, D. M. N., Pathmarajah, S., Gunawardena, E. R. N.

“…Adaptation to the negative impacts of climate changes by farmers is often autonomous. Perception on climate change is an important aspect that determines the…”
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Land use changes resulting from construction of Deduru oya reservoir and its’ impacts on livelihood by Samarakoon, S. M. L. D., Dayawansa, N. D. K., Gunawardena, E. R. N.

“…Construction of a large dam is one of the major economic and development activities that change the existing land use patterns in an area. The major visible…”
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Water conflicts among different water users and uses in the Hakwatuna Oya watershed in the Deduru Oya basin, Sri Lanka by Saumyarathna, N. G. R., Gunawardena, E. R. N., Dayawansa, N. D. K.

“…Scarcity of water is the main problem of agriculture and other livelihoods of Hakwatuna Oya watershed in Deduru Oya basin which leads to conflicts among…”
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Recent changes of rainfall Regime of Hakwatuna Oya watershed of Sri Lanka by Perera, A. C. S., Punyawardena, B. V. R., Gunawardena, E. R. N.

“…This study was conducted to verify farmers' claim, which was also verified by a field survey, that the availability of water in the Hakwatuna Oya irrigation…”
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The impact of a specialized training programme on teacher mental health literacy in Central Sri Lanka by Ginige, P., Perera, I. B. R. U., Arambepola, S. C. A., Kuruwita, K. A. P. R., Gunawardena, E. R. N. D.

“…Objectives: Globally 10-20% of children and adolescents are suffering from mental health disorders. Improving mental health literacy (MHL) of teachers supports…”
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Assessment of environmental flow release from Deduruoya reservoir to mitigate possible impacts on downstream ecosystem by Jayasiri, M. M. J. G. C. N., Dayawansa, N. D. K., Gunawardena, E. R. N.

“…River ecosystems are interlinked with river hydrology. However, construction of dams can modify the natural flow patterns which can lead to unpredictable…”
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Relationship between soil moisture deficit and productivity of paddy lands in a major irrigation system in Intermediate zone of Sri Lanka by Perera, A. C. S., Gunawardena, E. R. N., Punyawardena, B. V. R.

“…This study is conducted to investigate the relationship between paddy productivity and soil moisture deficit in a selected irrigation scheme in the…”
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Impacts of land cover dynamics and shallow groundwater abstraction on sustainability of Hakwatuna Oya irrigation system by Pelpitiya, I. P. S. K., Dayawansa, N. D. K., Gunawardena, E. R. N.

“…Deforestation, expansion of agriculture and over abstraction of groundwater in watersheds can influence the water yield. Hakwatuna Oya watershed area in Deduru…”
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Assessment of Virtual Water of Irrigated Agriculture, Imports, Exports and Water Footprint for Sri Lanka by Wanasinghe, W. C. S., Gunawardena, E. R. N., Mowjood, M. I. M.

“…Irrigated agriculture is the highest water user in Sri Lanka. Therefore, when there is an increasing demand of other sectors such as drinking, industries,…”
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Impacts of Water Scarcity Induced Adaptation Strategies on Livelihood and Household Food Security of Farming Community of Horivila-Palugaswewa and Sivalakulama Cascades of Sri Lanka by Dilini, M. M. G. S., Gunawardena, E. R. N., Pathmarajah, S.

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