wants to use this formula to identify the potential antropogenic geomorphology for that i understand other elements in formula but not that Kr and Kc please tell me
I know a little bit, but do not have his paper. Nir's factors for climate and topography are generalized categories for some basic differences in world systems. When his equation was developed he also used urbanization and educational level as part of his model. As with many of my old reports, we did not have the same ability to analyze world features in detail or climate conditions, and there is certainly opportunity today with GIS to make this evaluation more robust by using soils, geology and more detail relative to storm severity, rainfall, vegetation cover, topographic detail. The analysis capabilities and knowledge level today of people about conservation measures relative to the effects of urbanization is improving. I wanted to add one paper by Luna Leopold about how rainfall and vegetation can affect one factor - we think more rain, more erosion --- not necessarily so. Nir had categories for these factors that were assigned values. Since what I have seen is more or less second hand references, I would suggest you also read others that have applied or considered Nir's work, offered suggestions, etc. The analysis capabilities between 1983 and current are so different, I would hope you consider improvements. It might be good to calculate using his original equation and then consider various options of improvement that you or others suggest.
I work in South Carolina. I don't consider the early settlers and developers to be especially illiterate, it is just they lacked knowledge and consideration concerning soil and water conservation. The activities of those early settlers affected portions of the landscape with severe erosion, gullies and numerous hydrological modifications affecting stream type and stability. Some of these are now legacy features, and difficult to reverse.
I know the USDA-NRCS has some world maps that I have used before on some erosion subjects relative to soil groups, so you might be able to consider some of their information as to world or individual country soils if you have nothing better.
Dear Dr. Meena
though the question is little bit far from my specialization
I found the attached study hope that it fits your request
Good Luck
http://www.glaciologia.it/wp-content/uploads/FullText/full_text_30_2/15_R%C3%B3zsa_233_238.pdf
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