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Merrey, Douglas J.[Program on improving public irrigation organizations and sector level management of irrigated agriculture]Program on improving public irrigation organizations and sector level management of irrigated agriculture

The method suggested in this manual provides a simplified procedure for calibrating and/or updating drop structure curves. The convenience of the proposed method outweighs the lack of rigor and precision, and in any event, the resulting degree of accuracy appears sufficient for most operational p...


Sakthivadivel, RamaswamyMerrey, Douglas J.[Flow measurements at drop structures for irrigation system management in Sri Lanka]Flow measurements at drop structures for irrigation system management in Sri Lanka

Taking System H of the Mahaweli Program in Sri Lanka as a case study, this paper investigates a field still largely unexplored - the agency and its capacity to manage an irrigation system.


Raby, N.Merrey, Douglas J.[Professional management in irrigation systems: a case study of performance control in Mahaweli System H, Sri Lanka]Professional management in irrigation systems: a case study of performance control in Mahaweli System H, Sri Lanka

This study aims to systematically establish whether costs of irrigation projects in SSA are truly high, determine the factors which influence costs and recommend cost-reducing options in order make irrigation investments in SSA more attractive. The study analyzes 314 irrigation projects implement...


Inocencio, ArleneKikuchi, M.Merrey, Douglas J.Tonosaki, M.Maruyama, A.Jong, J. deSally, HilmyPenning de Vries, Frits W.T.[Lessons from irrigation investment experiences: cost-reducing and performance-enhancing options for Sub-Saharan Africa]Lessons from irrigation investment experiences: cost-reducing and performance-enhancing options for Sub-Saharan Africa

The authors reflect on the theory and process of creating effective strategies for adaptive river basin management. We formulate our framework from observations of responses to environmental and hydrological change in the Great Ruaha River in Tanzania. We find that problems occur in the pursuit o...


Lankford, B.A.Merrey, Douglas J.Cour, J.Hepworth, N.[From integrated to expedient: an adaptive framework for river basin management in developing countries]From integrated to expedient: an adaptive framework for river basin management in developing countries

Argues that single irrigation systems managed by autonomous system-specific organizations accountable to their customers, perform better and are more sustainable than those managed by agencies dependent on the government, or by agencies responsible for multiple systems. Selected cases are reviewe...


Merrey, Douglas J.[Institutional design principles for accountability in large irrigation systems]Institutional design principles for accountability in large irrigation systems
Jinapala, K.Merrey, Douglas J.[Testing a new field channel design: a pilot project of the Uda Walawe Rehabilitation Project, Sri Lanka]Testing a new field channel design: a pilot project of the Uda Walawe Rehabilitation Project, Sri Lanka

The livelihoods of people living in coastal deltas, especially in poor tropical countries, are being undermined by multiple insidious trends. Historically, these deltas have attracted large numbers of people, leading to high population densities, because they offer a wide range of ecosystem servi...


Merrey, Douglas J.Mondal, Manoranjan K.Hoanh, Chu ThaiHumphreys, ElizabethDao, Nga[Agricultural Development and Sustainable Intensification]Agricultural Development and Sustainable Intensification

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