Water Supply and Scarcity
According to the United Nations, water scarcity is defined as the point at which the aggregate impact of all users impinges on the supply or quality of water. Water scarcity is a relative concept and can occur at any level of supply or demand. Scarcity may be socially-constructed or the consequence of altered supply patterns stemming from climate change. Resources available in this sub-theme include U.S. drought monitoring data, workshops for rural water supply systems, among other resources that support water supply and scarcity.
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Water Supply and Scarcity Resources
More Water for Arid Lands: Promising Technologies and Research Opportunities
Published:
January 1, 1974U.S. Agency for International Development
Arid regions today face more difficult problems than ever before. The world's sand deserts appear to be enlarging, and droughts are contributing to the economic devastation of whole nations. The six drought-stricken Sahelian nations provide an extreme illustration, but industrialized and...Read more
Regional focus:
Middle East and North AfricaEconomics of Water Development on Government Lands in Southern and Southeastern Ethiopia
Published:
May 1, 1973U.S. Agency for International Development
A regional range development project has been established in southern and southeastern Ethiopia, and the planning area has been jointly studied by the Imperial Ethiopian Government and the United States Agency for International Development (USAID). Water development in combination with veterinary...Read more
Regional focus:
Ethiopia, Sub-Saharan AfricaInvestment Criteria and Mathematical Modelling Techniques for Water Resources Planning in Argentina, the MIT - Argentina Project
Published:
January 1, 1973U.S. Agency for International Development
The objective of this paper is to describe a research program at MIT (USA) for the application of modern investment criteria and mathematical modeling techniques for water resources planning in Argentina. The project lasted for two years and had three principal objectives: (1) to adapt modern water...Read more
Regional focus:
Argentina, Latin America and the CaribbeanWater Management in Arid and Sub-Humid Lands of Less Developed Countries; Annual Progress Report, 1972/1973
Published:
January 1, 1973U.S. Agency for International Development
The general objective of this research is to increase food production in the arid and sub-humid lands of the less developed countries through the improvement of water management practices and the integration of those with other good management practices in the semi-arid lands of the Latin American...Read more
Regional focus:
Latin America and the CaribbeanIrrigation Requirements and Water Balance, Arenal Proposed Project, Costa Rica
Published:
June 1, 1972U.S. Agency for International Development
ICE has completed a preliminary study for the construction of a dam and reservoir on the Rio Arenal. The principal purpose is the production of electrical energy. Construction of this power facility will make available an adequate supply of irrigation for a large area of agricultural lands in...Read more
Regional focus:
Costa Rica, Latin America and the CaribbeanNeeds and Requirements for Irrigation, Comayagua and Vicinity, Honduras
Published:
June 1, 1972U.S. Agency for International Development
The valley areas in the vicinity of Comayagua and Siuatepeque offer considerable potential for agricultural development. Irrigation facilities have been constructed capable of delivering irrigation water to areas for more extensive than those currently irrigated. An analysis is made of the adequacy...Read more
Regional focus:
Honduras, Latin America and the CaribbeanEconomics of Hydrologic Modelling
Published:
May 1, 1972U.S. Agency for International Development
The proliferation of hydrologic models suggests either a situation where-in hydrologists are homing onto the true model or a situation wherein hydrologists are uncertain about the appropriate model. The latter seems more likely in the face of constraints on data availability, budgets, time,...Read more
Estimation of Irrigation Requirement for Venezuela
Published:
January 1, 1972U.S. Agency for International Development
Christiansen's formula was used to compute evaporation and potential evapotranspiration using 1013 months of data from 19 stations in Venezuela. Thirteen probability levels of precipitation were determined for each station. Potential irrigation requirements for 16 stations were computed based...Read more
Regional focus:
Latin America and the CaribbeanEvaluation of Water Deficiencies
Published:
January 1, 1972U.S. Agency for International Development
With increasing demands for development and for greater agricultural production, improved methodology in planning becomes more important. This paper proposes concepts that further define both needs for moisture and its availability.Read more
Techniques for Assessing Water Resource Potentials in the Developing Countries With Emphasis on Stream flow, Erosion and Sediment Transport, Water Movement in Unsaturated Soils, Ground Water, and Remote Sensing in Hydrologic Applications
Published:
December 1, 1971U.S. Agency for International Development
Hydrologic instrumentation and methodology for assessing water-resource potentials have originated largely in the developed countries of the temperate zone. The developing lie largely in the tropic zone, which contains the countries full gamut of the earth's climatic environments,...Read more
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