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Registros recuperados: 14
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Accounting for water use and productivity AgEcon
Molden, David J..
This paper presents a conceptual framework for water accounting and provides generic terminologies and procedures to describe the status of water resource use and consequences of water resources related actions. The framework applies to water resource use at three levels of analysis: a use level such as an irrigated field or household, a service level such as an irrigation or water supply system, and a water basin level that may include several uses. Water accounting terminology and performance indicators are developed and presented with examples at all the three levels. Concepts and terminologies presented are developed to be supportive in a number of activities including: identification of opportunities for water savings and increasing water...
Tipo: Book Palavras-chave: Water management; Irrigation management; Water supply; Terminology; Performance indexes; Water use; Water allocation; Productivity; Water balance; Crop Production/Industries; Farm Management; Productivity Analysis.
Ano: 1997 URL: http://purl.umn.edu/113623
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Basin-level use and productivity of water: examples from South Asia AgEcon
Molden, David J.; Sakthivadivel, Ramasamy; Habib, Zaigham.
Discusses and illustrates concepts for identifying ways of improving productivity of water within basins. The results of applying a water accounting procedure to four sub-basins in South Asia (Bhakra in India; Chishtian in Pakistan; Huruluwewa in northern Sri Lanka; and Kirindi Oya in southern Sri Lanka) are presented. The methodology used identifies the quantities and productivity of various uses of water within a basin. This information is then used to identify the water-saving potential, and the means of improving the productivity of the managed supplies.
Tipo: Report Palavras-chave: Water management; Water conservation; River basins; Water use; Productivity; Case studies; Irrigated farming; Indicators; Water scarcity; South Asia; India; Pakistan; Sri Lanka; Bhakra; Chishtian; Kirindi Oya; Agribusiness; Agricultural and Food Policy; Agricultural Finance; Community/Rural/Urban Development; Crop Production/Industries; Farm Management; Production Economics; Research and Development/Tech Change/Emerging Technologies; Resource /Energy Economics and Policy.
Ano: 2001 URL: http://purl.umn.edu/61099
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Does international cereal trade save water? The impact of virtual water trade on global water use AgEcon
de Fraiture, Charlotte; Cai, Ximing; Amarasinghe, Upali A.; Rosegrant, Mark W.; Molden, David J..
Tipo: Report Palavras-chave: Cereals; Trade policy; Water use; Irrigation water; Productivity; Evapotranspiration; Water scarcity; Water conservation; Crop Production/Industries; Production Economics; Productivity Analysis; Resource /Energy Economics and Policy.
Ano: 2004 URL: http://purl.umn.edu/92832
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Effective gender mainstreaming in water management for sustainable livelihoods: From guidelines to practice AgEcon
Zwarteveen, Margreet Z.; Valee, Domitille; Molden, David J.; Muylwijk, Joke; Bilgi, Meena; Udas, Pranita; Douma, Annelieke; Hirsch, Danielle.
Tipo: Working or Discussion Paper Palavras-chave: Water resource management; Gender; Equity; Policy; Labor and Human Capital; Public Economics; Resource /Energy Economics and Policy.
Ano: 2006 URL: http://purl.umn.edu/91945
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Indicators for comparing performance of irrigated agricultural systems AgEcon
Molden, David J.; Sakthivadivel, Ramasamy; Perry, Christopher J.; de Fraiture, Charlotte; Kloezen, Wim H..
Outlines IWMI's external and other comparative performance indicators that allow for analysis of irrigation performance across systems. The purpose of these indicators is to understand the current situation with respect to productive utilization of land and water, to compare relative performance of systems, and to identify where performance can be improved.
Tipo: Report Palavras-chave: Irrigated farming; Irrigation systems; Indicators; Performance indexes; Financing; Crop production; Water demand; Water requirements; Prices; Agribusiness; Crop Production/Industries; Environmental Economics and Policy; Land Economics/Use.
Ano: 1998 URL: http://purl.umn.edu/44581
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Integrated development and management of water resources for productive and equitable use in the Indrawati River Basin, Nepal AgEcon
Bhattarai, Madhusudan; Pant, Dhruba; Mishra, V.S.; Devkota, Hari; Pun, Shuku; Kayastha, R.N.; Molden, David J..
Tipo: Working or Discussion Paper Palavras-chave: River basin development; Water transfer; Water rights; Water supply; Water demand; Water balance; Environmental effects; Social aspects; Development projects; Non-governmental organizations; Villages; Water users associations; Conflict; Farmers; Environmental Economics and Policy; Farm Management; Institutional and Behavioral Economics; Resource /Energy Economics and Policy.
Ano: 2002 URL: http://purl.umn.edu/92699
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Integrated management of water, forest and land resources in Nepal: Opportunities for improved livelihood AgEcon
Pant, Dhruba; Thapa, Sabita; Singh, Ashok; Bhattarai, Madhusudan; Molden, David J..
Tipo: Working or Discussion Paper Palavras-chave: Irrigation management; Forest management; Public policy; Land use; Land tenure; Farm size; Environmental effects; Gender; Women; Equity; Institutions; Conflict; Environmental Economics and Policy; Farm Management; Institutional and Behavioral Economics; Land Economics/Use; Public Economics.
Ano: 2005 URL: http://purl.umn.edu/92405
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Land and water productivity of wheat in the Western Indo-Gangetic Plains of India and Pakistan: a comparative analysis AgEcon
Hussain, Intizar; Sakthivadivel, Ramasamy; Amarasinghe, Upali A.; Mudasser, Muhammad; Molden, David J..
Tipo: Report Palavras-chave: Wheat; Crop yield; Productivity; Climate; Irrigation canals; Watercourses; Water distribution; Water allocation; Policy; India; Pakistan; Gangetic Plains; Kaithal Irrigation Circle; Bhakra Canal; Chaj Sub-Basin; Lower Jehlum Canal; Agribusiness; Community/Rural/Urban Development; Crop Production/Industries; Demand and Price Analysis; Environmental Economics and Policy; Farm Management; Food Consumption/Nutrition/Food Safety; Land Economics/Use; Marketing; Production Economics; Productivity Analysis.
Ano: 2003 URL: http://purl.umn.edu/52972
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Policies drain the North China Plain: Agricultural policy and groundwater depletion in Luancheng County, 1949-2000 AgEcon
Kendy, Eloise; Molden, David J.; Steenhuis, Tammo S.; Liu, Changming; Wang, Jinxia.
The report examines the relationships between agricultural policies in the North China Plain, the approaches to water management that evolved from them, the quantity of water that was actually used, and the consequent groundwater depletion beneath Luancheng County, Hebei Province, from 1949 to 2000. To systematically address these relationships, we use a comprehensive water-balance approach. Our results indicate that a single, longstanding policy-that of using groundwater to meet the crop-water requirements not supplied by precipitation-is responsible for the steady rate of groundwater decline.
Tipo: Report Palavras-chave: Agricultural production; Groundwater; Aquifers; Water shortage; Irrigation efficiency; Agricultural policy; Crop production; Wastewaters; Water management; Hydrology; Economic development; Crop yield; Cotton; Wheat; Sprinkler irrigation; Water conservation; Water use efficiency; Pumping; Water balance; Vegetables; Rural economy; Irrigated framing; Community/Rural/Urban Development; Crop Production/Industries; Environmental Economics and Policy.
Ano: 2003 URL: http://purl.umn.edu/44560
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The global groundwater situation: overview of opportunities and challenges AgEcon
Shah, Tushaar; Molden, David J.; Sakthivadivel, Ramasamy; Seckler, David.
Groundwater offers us few but precious opportunities for alleviating the misery of the poor; but it poses many—and daunting—challenges of preserving the resource itself. A big part of the answer is massive initiatives to augment groundwater recharge in regions suffering depletion; but, in the ultimate analysis, these cannot work without appropriate demand-side interventions. The water vision of a world that future generations will inherit will have to be the one in which groundwater plays its full developmental, productive and environmental role but in a sustainable manner; and the framework of action to realize this vision will mean eschewing the current free-for-all in groundwater appropriation and use, and promoting a more responsible management of this...
Tipo: Book Palavras-chave: Groundwater resources; Groundwater depletion; Water scarcity; Water shortage; Poverty; Rural development; River basins; Sustainability; Waterlogging; Salinity; Aquifers; Water pollution; Pumps; Recharge; Water harvesting; Community/Rural/Urban Development; Environmental Economics and Policy; Food Security and Poverty.
Ano: 2000 URL: http://purl.umn.edu/113506
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Water, Food and Environment: A Development Dilemma AgEcon
Rijsberman, Frank; Molden, David J..
As much as seventy times more water is needed to grow food than for domestic use. Severely waterscarce countries such as Egypt do not have enough water to grow their own food and need to import food from elsewhere. Countries like the USA, Australia, China, India, Mexico and Turkey have made massive investments to build dams and develop irrigation systems. As a direct consequence, the famines predicted for India have not occurred and world food prices are lower than ever. But rivers are drying up, groundwater levels are falling dramatically, and water pollution is rampant near most Asian cities. All water that falls as rain serves a purpose in nature. If farmers don’t have an incentive to conserve water, over-use is the likely consequence and nature pays...
Tipo: Presentation Palavras-chave: Environmental Economics and Policy; Food Security and Poverty; Resource /Energy Economics and Policy.
Ano: 2006 URL: http://purl.umn.edu/124461
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Water for rural development: Background paper on water for rural development prepared for the World Bank AgEcon
Molden, David J.; Amarasinghe, Upali A.; Hussain, Intizar.
Tipo: Working or Discussion Paper Palavras-chave: Water management; Irrigation management; Rural development; Water resources development; Small scale systems; Land management; Groundwater; Environment; Health; Water policy; Institutions; Food consumption; Water supply; Water demand; Water allocation; Crop yield; Cereals; Water scarcity; Food production; Food security; Crop production; Population growth; Crop Production/Industries; Environmental Economics and Policy; Food Consumption/Nutrition/Food Safety; Food Security and Poverty; Health Economics and Policy; Institutional and Behavioral Economics; Resource /Energy Economics and Policy.
Ano: 2001 URL: http://purl.umn.edu/92777
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World water demand and supply, 1990 to 2025: scenarios and issues AgEcon
Seckler, David; Amarasinghe, Upali A.; Molden, David J.; de Silva, Radhika; Barker, Randolph.
Presents two alternative scenarios of water demand and supply for 118 countries over the 1990 to 2025 period and develops indicators of water scarcity for each country and for the world as a whole. This study is the first step in IWMI's long-term research goal: to determine the extent and depth of water scarcity, its consequences for individual countries and what can be done about it.
Tipo: Report Palavras-chave: Irrigation management; Water balance; River basins; Basin irrigation; Water use efficiency; Water supply; Water requirements; Domestic water; Water scarcity; Water demand; Water shortage; Irrigated farming; Productivity; Food security; Recycling; Rice; Agribusiness; Agricultural and Food Policy; Community/Rural/Urban Development; Crop Production/Industries; Farm Management; Food Consumption/Nutrition/Food Safety; Food Security and Poverty.
Ano: 1998 URL: http://purl.umn.edu/61108
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Yellow river comprehensive assessment: Basin features and issues – Collaborative research between International Water Management Institute (IWMI) and Yellow River Conservancy Commission (YRCC) AgEcon
Zhu, Zhongping; Giordano, Mark; Cai, Ximing; Molden, David J.; Hong, Shangchi; Zhang, Huiyan; Lian, Yu; Li, Huian; Zhang, Xuecheng; Zhang, Xinghai; Xue, Yunpeng.
Tipo: Working or Discussion Paper Palavras-chave: Flood control; Water scarcity; Environmental degradation; Groundwater; Social aspects; River basin development; Water use efficiency; Crop production; Wetlands; Water pollution; Water policy; Reforms; Water quality; Flood plains; Crop Production/Industries; Environmental Economics and Policy; Resource /Energy Economics and Policy; Risk and Uncertainty.
Ano: 2003 URL: http://purl.umn.edu/92661
Registros recuperados: 14
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