Analysis of the spatial and temporal relationship between malaria incidence and selected water-related environmental parameters . The analysis is based upon the use of secondary information. GIS was used to generate input into statistical analysis and to map out the parameters for a visual analysis. The paper discusses the quality of the data used and the possibilities for using GIS in healthrelated research.
More than 1 million hectares of urban land in India could be irrigated for crops if wastewater was made safe for use. Lack of systematic data collection by municipalities makes it difficult to accurately assess the wastewater generation or estimate the total amount of urban area under wastewater irrigation, so the potential of urban and peri-urban farming could be even greater.
In the Senegal river floodplain, irrigated agriculture and traditional flood recession crops (mainly sorghum) coexist. The latter depends upon the extent of the annual flood, which is partly a function of the amount of water released from the upstream Manantali reservoir. Even though recession sorghum yield is clearly smaller than that of irrigated rice, this production system, because it covers a large area, is a major contributor to total food production in Podor and Matam departments. It is therefore important to quantify areas and yields.
Describes the use of satellite remote sensing and geographic information system techniques to obtain information on primary agricultural productivity and irrigation system performance in a large rice irrigation system in India. Discusses the potential and cost-effectiveness of SRS techniques for making inventories and monitoring agricultural productivity.
Describes the results of an irrigation performance evaluation using remote sensing techniques, GIS procedures, and hydrologic modeling at a regional scale. Demonstrates how advanced information technologies support the analysis of irrigation performance by facilitating an in-depth study of a large irrigated area.
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