Your search found 6 records
1 Abernethy, C. L.; Jinapala, K.; Makin, I. W. 2001. Assessing the opinions of users of water projects. Irrigation and Drainage, 50(3):173-193.
Water resources development ; Development projects ; Irrigation programs ; Project planning ; Monitoring ; Social aspects ; Attitudes ; Water users ; Farmer-agency interactions ; Participatory rural appraisal ; Farmers' associations ; Data collection ; Surveys / Sri Lanka / Deduru Oya Basin / Magalla Wewa / Ridi Bandi Ela
(Location: IWMI-HQ Call no: PER, IWMI 631.7.3 G744 ABE Record No: H028711)
2 Jinapala, K.; Somaratne, P. G.; Ariyaratna, B. R.; Perera, L. R.; Makin, I. 2002. Contextual challenges of developing effective water management institutions: the Deduru Oya Basin, Sri Lanka. In Bruns, B.; Bandaragoda, D. J.; Samad, M. (Eds.). Integrated water-resources management in a river basin context: Institutional strategies for improving the productivity of agricultural water management. Proceedings of the Regional Workshop, Malang, Indonesia, 15-19 January 2001. Colombo, Sri Lanka: International Water Management Institute (IWMI). pp.127-148.
River basins ; Water resource management ; Water lifting ; Wells ; Domestic water ; Population ; Economic aspects ; Income ; Irrigation programs ; Institutions ; Policy / Sri Lanka / Deduru Oya Basin
(Location: IWMI HQ Call no: IWMI 631.7.3 G570 BRU Record No: H030271)
(0.42 MB)
3 Somaratne, P. G.; Jinapala, K.; Perera, L. R.; Ariyaratne, B. R.; Bandaragoda, D. J.; Makin, I. 2003. Developing effective institutions for water resources management: A case study in the Deduru Oya Basin, Sri Lanka. Colombo, Sri Lanka: International Water Management Institute (IWMI) xi, 103p. (IWMI Working Paper 058) [doi: https://doi.org/10.3910/2009.189]
River basins ; Water resource management ; Water lifting ; Wells ; Domestic water ; Population ; Economic aspects ; Income ; Irrigation programs ; Institutions ; Policy ; Groundwater ; Agricultural development ; Fish farming ; Pumps ; Ecology ; Water supply ; Drought ; Poverty ; Land use ; Water scarcity ; Natural resources ; Agricultural production ; Cropping systems / Sri Lanka / Indonesia / Philippines / Nepal / China / Deduru Oya Basin
(Location: IWMI-HQ Call no: IWMI 631.7.3 G570 SOM Record No: H033677)
(637 KB)
This report is based on a research project financed by the Asian Development Bank (ADB) to conduct a regional study for the development of effective water management institutions (ADBRETA no 5812). Research activities were conducted in five river basins in Indonesia, the Philippines, Nepal, China and Sri Lanka for a period of three years commencing from 1999. The river basin studied in Sri Lanka was the Deduru Oya river basin in the North Western Province of the country. This report contains the findings of the Deduru Oya basin study. The overall objective of the case study conducted in Sri Lanka was to help the government of Sri Lanka to improve the institutions managing scarce water resources within the frame work of integrated water resources management. This case study included a comprehensive assessment of the existing physical, socio-economic and institutional environment in the river basin and also the long term changes that are likely to take place.
4 Weligamage, Parakrama; Godaliyadda, G. G. A.; Jinapala, K. (Eds.) 2010. Proceedings of the National Conference on Water, Food Security and Climate Change in Sri Lanka, BMICH, Colombo, Sri Lanka, 9-11 June 2009. Vol. 1. Irrigation for food security. Colombo, Sri Lanka: International Water Management Institute (IWMI). 160p. [doi: https://doi.org/10.3910/2010.210]
Food security ; Climate change ; River basins ; Water shortage ; Irrigated farming ; Water quality ; Tanks ; Aquatic plants ; Rice ; Food insecurity ; Water resource management ; Zero tillage ; Weed control ; Agroforestry ; Canals ; Surface runoff ; Remote sensing / Sri Lanka / Deduru Oya Basin / Anuradhapura District / Mi Oya River Basin / Inginimitiya Irrigation System / Yan Oya watershed / Aluth Divulwewa sub watershed
(Location: IWMI HQ Call no: IWMI 631.7 G744 WEL Record No: H042888)
(2.97 MB)
This is the first volume on the proceedings of the national conference on ‘Water for Food and Environment’, which was held from June 9–11, 2009 at the Bandaranaike Memorial International Conference Hall (BMICH). The volumes two and three have been produced as separate documents of this report series. In response to a call for abstracts, 81 abstracts were received from government institutes dealing with water resources and agriculture development, also from universities, other freelance researchers and researchers from the International Water Management Institute (IWMI). Forty Seven of the eighty-one abstracts that were submitted were accepted for compiling full papers. In the past couple of years the sharp increase in food prices worldwide has raised serious concerns about food security, especially in developing countries. To effectively address these concerns a holistic approach is required that encompasses improved agricultural water productivity, adaptation to climate change, targeted and appropriate institutional and financial measures, and a consideration of environmental issues. The main purpose of the conference was to share experiences in these areas and to find opportunities to improve farmers’ incomes and food production, and to promote environmentally sustainable practices in Sri Lanka in the face of growing water scarcity and the challenges of climate change.
5 Chandrajith, R.; Mahatantila, K.; Jayasena, H. A. H.; Tobschall, H. J. 2008. Geochemical characteristics of sediments from a reservoir (tank) ecosystem in Sri Lanka. Paddy and Water Environment, 6(4):363-371. [doi: https://doi.org/10.1007/s10333-008-0133-y]
Reservoir ; Tanks ; Ecosystems ; Sedimentary materials ; Analytical methods ; Pollution control ; Irrigation systems / Sri Lanka / Deduru Oya basin / Malagane tank / Maguru Oya sub-basin
(Location: IWMI HQ Call no: e-copy only Record No: H043179)
(0.83 MB)
Major, trace and selected high field strength element geochemistry of fresh-water sediments from the Malagane tank, Deduru Oya basin, Sri Lanka, has been investigated in this study. Sediment samples were collected from 13 locations and analyzed for their elemental distribution using the X-ray fluorescence technique. The sediments were characterized by relatively low organic matter, ranging from 4.8 to 16.9%. The elemental distributions were compared with those of the average upper continental curst, and it was found that, with a few exceptions, most of the studied elements are either comparable or depleted. Correlation and principal component analyses were applied to identify the relationships among studied elements. Major elements, most trace and light rare earth elemental distribution show strong positive correlation with Al2O3 and TiO2, which indicate that the phyllosilicates and heavy minerals in the sediments are the probable hosts for these elements. The results also indicate that the sediments in the Malagane tank are representative of the materials from the metamorphic rocks in the watershed and were subjected to changes within the tank ecosystem. The results obtained from this study are vital for future pollution management of tank ecosystems in Sri Lanka, since information on elemental distribution within the sediments of tank ecosystem is lacking.
6 Jayasiri, M. M. J. G. C. N.; Yadav, S.; Dayawansa, N. D. K.; Ingold, K. 2022. Managing agricultural water resources: addressing the complexity of innovation, social perspectives, and water governance in Sri Lanka. Irrigation and Drainage, 15p. (Online first) [doi: https://doi.org/10.1002/ird.2693]
Water resources ; Water management ; Water governance ; Innovation ; Climate change ; Water productivity ; Irrigation efficiency ; Sustainability ; Water use efficiency ; Water demand ; Irrigation water ; Irrigation systems ; Irrigation schemes ; Irrigation management ; Water conservation ; Water policies ; Institutions ; Social aspects ; Infrastructure / Sri Lanka / Deduru Oya Basin
(Location: IWMI HQ Call no: e-copy only Record No: H050986)
(1.53 MB)
Irrigation plays a vital role in world food security. Agriculture accounts for 70% of freshwater withdrawals worldwide, and the figure is even higher in developing countries like Sri Lanka. The rapid expansion of anthropogenic activities, together with the anticipated climatic risks associated with them, is exacerbating the problem of increasing agricultural water demand. Although it has been recognized for decades, improving irrigation water-use efficiency and water productivity is still considered the most realistic option for addressing the challenge of sustainable management of water resources. However, adoption of recommended water-efficient technologies and concepts remains elusive in practice, highlighting the gaps created by failing to consider social perspectives in developing water management strategies. As a result, the effectiveness of water governance has often been questioned in terms of performance and adoption of innovative technologies. This paper reviews and discusses the complexity of innovation through a technical, social, and institutional lens by reviewing available research on Sri Lanka's river basins and presents a perspective on opportunities for improving irrigation water management.
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