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Journal of Applied Sciences and Environmental Management
World Bank assisted National Agricultural Research Project (NARP) - University of Port Harcourt
ISSN: 1119-8362
Vol. 10, No. 3, 2006, pp. 9-13
Bioline Code: ja06044
Full paper language: English
Document type: Research Article
Document available free of charge

Journal of Applied Sciences and Environmental Management, Vol. 10, No. 3, 2006, pp. 9-13

 en A new methodology for producing of risk maps of soil salinity, Case study: Payab Basin, Iran
Masoud Masoudi; Patwardhan, A M; Gore, S D

Abstract

The entire land of Southern Iran, south of the Zagros belt, faces problems arising out of land degradation. For this purpose the Payab basin that is lower reaches of Mond basin has been chosen for detailed study. The data for this study have been gathered from the records and reports published by the different departments of the Ministries of Agriculture and Energy and the Meteorological Organization of Iran. The present paper deals only with the intensities of hazards of soil salinity as a parameter for assessing the land degradation. The present paper examines to find a model for risk analysis of soil salinization for the studied area using the Geographical Information System (GIS). The GIS analysis of various indicators considered proved useful for dividing areas with actual risk from those with potential risk. Results show areas under actual risk are much more than areas under potential risk of soil salinity indicating presence of degraded lands at present. Also the areas under severe risk are more extensive class among the severity classes in the plains indicating the worse conditions in the studied area. The worse conditions and presence of degraded lands in the area related more natural causes like arid climate and geological formations such as salt domes.

 
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