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Remote Sensing and Hydrologic Models for Performance Assessment in Sirsa Irrigation Circle, India

Author: W. G. M. Bastiaanssen

Publisher: IWMI

Published: 1999

Total Pages: 38

ISBN-13: 9290903740

Sirsa irrigation circle and its distribution objectives. Canal water distribution in the Sirsa irrigation circle. Material and methods. Crop growing conditions, Rabi 1995/96. Hydrologic analysis for 1977-90. Water balance classifications. Agricultural practices as a function of hydrologic conditions. The performance of irrigates agriculture at Sirsa. Annex 1 - Annual water and salt balances in the Sirsa irrigation circle. Annex 2 - Cluster analysis. Annex 3 - Estimating the water consumption of a wheat crop. Literature cited.

Performance Evaluation of the Bhakra Irrigation System, India, Using Remote Sensing and GIS Techniques

Author: R. Sakthivadivel

Publisher: IWMI

Published: 1999

Total Pages: 31

ISBN-13: 9290903759

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In this study, satellite remote sensing and geographic information system (GIS) techniques were used to analyze the agricultural performance and sustainability of the Bhakra Irrigation System in India. The results demonstrate the synergy possible from applying satellite remote sensing and GIS to evaluate trends in rising water tables and salinity, which are two important threats to the sustainability of irrigation systems, and the cost-effectiveness of these techniques as diagnostic tools for irrigation system improvement.

An assessment of crop water productivity in the Indus and Ganges River Basins: current status and scope for improvement

Author: Cai, Xueliang

Publisher: IWMI

Published: 2010

Total Pages: 34

ISBN-13: 9290907355

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The Indus and Ganges River Basin, being the most populous in the world, is under extreme pressure to sustain food security. Production resources including water are being exploited to various levels from underdevelopment to heavy overexploitation. This report provides a bird’s eye view of the basin and focuses on the nexus between agricultural production and water consumption, making it possible to pinpoint the areas with high/low water productivity and identify the factors behind this, which helps to promote informed decision making in light of environmental sustainability.

More Crop Per Drop

Author: Meredith Giordano

Publisher: IWA Publishing

Published: 2007-01-01

Total Pages: 289

ISBN-13: 1843391120

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This volume is an analytical summary and a critical synthesis of research at the International Water Management Institute over the past decade under its evolving research paradigm known popularly as 'more crop per drop'. The research synthesized here covers the full range of issues falling in the larger canvas of water-food-health-environment interface. Besides its immediate role in sharing knowledge with the research, donor, and policy communities, this volume also has a larger purpose of promoting a new way of looking at the water issues within the broader development context of food, livelihood, health and environmental challenges. More crop per drop: Revisiting a research paradigm contrasts the acquired wisdom and fresh thinking on some of the most challenging water issues of our times. It describes new tools, approaches, and methodologies and also illustrates them with practical application both from a global perspective and within the local and regional contexts of Asia and Africa. Since this volume brings together all major research works of IWMI, including an almost exhaustive list of citations, in one single set of pages, it is very valuable not only as a reference material for researchers and students but also as a policy tool for decision-makers and development agencies.

Center commissioned external review of IWMI research theme 1: agricultural water management

Author: John Langford

Publisher: IWMI

Published:

Total Pages: 48

ISBN-13:

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Hydronomic Zones for Developing Basin Water Conservation Strategies

Author: D. J. Molden

Publisher: IWMI

Published: 2001

Total Pages: 39

ISBN-13: 9290904631

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In this report, the concept and procedures of hydronomic (hydro water + nomus management) zones are introduced. A set of six hydronomic zones are developed and defined based on key differences between reaches or areas of river basins. These are the: Water Source Zone, Natural Recapture Zone, Regulated Recapture Zone, Stagnation Zone, Final Use Zone, and Environmentally Sensitive Zone. The zones are defined based on similar hydrological, geological and topographical conditions and the fate of water outflow from the zone. In addition, two conditions are defined which influence how water is managed: whether or not there is appreciable salinity or pollution loading; and whether or not groundwater that can be used for utilization or storage is present. Generic strategies for irrigation for four water management areas, the Natural Recapture, Regulated Recapture, Final Use, and Stagnation Zones, are presented. The Water Source Zone and Environmentally Sensitive Zone are discussed in terms of their overall significance in basin water use and management.