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Showing items 1 through 9 of 46.
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Library Resource
Almakatei village, located on Alatf canal, was selected purposely to represent the community. Its agricultural land is located across three main districts in Menoufia Governorate – Al Bagour, Shebin Al Koum and Quesna. This was considered as one of the main advantages of selecting this site. El-Menira tertiary on Alatf canal was selected as the site for the study of the pipeline group. It is about 870 m long and it serves an area of about 40 ha. El-Hamra tertiary was selected for the study of the open canal group and serves an area of 30 ha.
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Library Resource
The Badia constitutes about 90% of the total land area of Jordan, which is 89 342 km2. Its average annual rainfall is < 200 mm. The area with annual rainfall of 100–200 mm is considered the promising rangeland for rehabilitation. The Badia (part of the rangeland) supplies the livestock sector with about 20% of forage needs, while all the other sources provide the sector with only about 5% of forage.
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Library Resource
Irrigation management of crops in Egypt is characterized by the application of more water than the crops require. In fact, large amounts of water are supplied without any estimates of the soil water content at the root zone. The rationale for doing so is the assumption that more irrigation water means a greater yield. So, eliminating the use of this unnecessary irrigation water could help save the resource, provided that this can be done with low yield losses.
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Library Resource
This report describes the use of improved methodologies developed to identify suitable watersheds based on an integrated resources management concept. The approach integrates multi-disciplinary knowledge, GIS utilities, and verification in the field to develop and test a methodology to identify watersheds with specific characteristics
– in this case, the watersheds most suited to the project activities.
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Library Resource
How suitable an area is for WH depends on local society, farming practices, and whether the area meets the basic technical requirements of the WH system in question. When planning such systems, appropriate data must be available on the climate, soil, crops, topography, and socioeconomics of the project area. The available tools and methods of data acquisition for planning, designing, and implementing WH systems, include field visits, site inspections, topographic and thematic maps, aerial photos, satellite images, and geographic information systems (GIS) must also be considered.
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Library Resource
This report summarizes the experience of an integrated approach for the selection and characterization of watersheds for research, development, or research for development activities.
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Library Resource
The objective of any national water policy is, normally, to ‘Generate the maximum possible economic value for the nation’. Under water scarcity situations, water should be allocated so that users who generate a higher income per unit volume of water are given priority over those who generate less income. This applies not only to water quantity, but also to water quality. The above statements are valid when water is considered as an economic commodity.
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Library Resource
The Central and West Asia and North Africa (CWANA) region encompasses large areas of arid and semi-arid zones. These zones may be defined as areas where rainfall, relative to the level of evapotranspiration, is inadequate to sustain reliable crop production. Most of the arid and semi-arid zones of the CWANA region are rangelands and are characterized by wide variability in rainfall and temperature. Droughts are common, resulting in low forage production and crop productivity as well as water scarcity.
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Library Resource
From these workshops and an analysis of project documentation, we can conclude that possibilities for the improvement of water use do exist. These improvements depend not only on technical aspects, but also on organization and policy considerations.
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Library Resource
Peer-reviewed publication
Lo scopo di questo articolo è quello di combinare, all’interno di un’unica elaborazione, gli attributi strutturali, spaziali e temporali dei prezzi delle abitazioni. Viene utilizzato il metodo dei prezzi edonici (hedonic price method, acronimo inglese HPM - ndt), che si fonda sull'idea che un prodotto è caratterizzato dalle sue proprietà costitutive e che il valore di un bene può essere calcolato sommando i valori stimati delle sue singole proprietà.
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