caa a22 4500 467922632 CHVBK 20180406152921.0 cr unu---uuuuu 170328e20061101xx s 000 0 eng 10.1007/s00477-006-0040-y doi (NATIONALLICENCE)springer-10.1007/s00477-006-0040-y Risk assessment of water erosion for the Qareh Aghaj subbasin, southern Iran [Elektronische Daten] [Masoud Masoudi, A. Patwardhan, S. Gore] South of the Zagros belt, the entire land of Southern Iran faces problems arising out of various types of land degradation of which water erosion forms a major type. A new model has been developed for assessing the risk of water erosion. Taking into consideration nine indicators of water erosion the model identifies areas with ‘Potential Risk' (risky zones) and areas of ‘Actual Risk' as well as projects the probability of the worse degradation in future. The Qareh Aghaj subbasin (1,265,000ha), which covers the upper reaches of Mond River, has been chosen for a test risk assessment of this kind. The preparation of risk maps based on the GIS analysis of these indicators will be helpful for prioritizing the areas to initiate remedial measures. The different kinds of data for indicators of water erosion were gathered from the records and published reports of the governmental offices of Iran. By fixing the thresholds of severity classes of the nine indicators a hazard map for each indicator was first prepared in GIS. The risk classes were defined on the basis of risk scores arrived at by assigning the appropriate attributes to the indicators and the risk map was prepared by overlaying nine hazard maps in the GIS. Areas under potential risk have been found to be widespread (63%) in the basin and when classified into subclasses with different probability levels the model projects a statistical picture of the risk of land degradation. Springer-Verlag, 2006 Water erosion nationallicence GIS nationallicence Indicator nationallicence Actual risk nationallicence Potential risk nationallicence Masoudi Masoud Department of Desert Zones Management, Agricultural College, Shiraz University, Shiraz, Iran aut Patwardhan A. Director, Interdisciplinary School (Science), University of Pune, Pune, India aut Gore S. Department of Statistics, University of Pune, Pune, India aut Stochastic Environmental Research and Risk Assessment Springer-Verlag 21/1(2006-11-01), 15-24 1436-3240 21:1<15 2006 21 477 https://doi.org/10.1007/s00477-006-0040-y text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s00477-006-0040-y text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Masoudi Masoud Department of Desert Zones Management, Agricultural College, Shiraz University, Shiraz, Iran aut NATIONALLICENCE 700 1- Patwardhan A. Director, Interdisciplinary School (Science), University of Pune, Pune, India aut NATIONALLICENCE 700 1- Gore S. Department of Statistics, University of Pune, Pune, India aut NATIONALLICENCE 773 0- Stochastic Environmental Research and Risk Assessment Springer-Verlag 21/1(2006-11-01), 15-24 1436-3240 21:1<15 2006 21 477 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer