QUANTIFICATION OF C FACTOR FROM USLE MODEL USING CERTAIN SETS OF CLASSICAL AND SATELITE DATA IN NW ROMANIA
Journal Title: Analele Universitatii din Oradea, Seria Geografie - Year 2018, Vol 28, Issue 2
Abstract
C Factor is alongside the topographic factor, one of the most influential factors in estimating soil losses by means of the USLE model. Starting from this reality, we have used three methodologies in this study in order to obtain a cover-management factor in a 291 km2 territory located in North-West of Romania. The main objective of this comparative analysis is to highlight the best suited workflow for the medium-sized areas under the medium and high usage of data sets. The results were partly corroborated with data obtained from ESDAC which resulted from the application of the so-called LANDUM model. The best results have been obtained by using the Linear Spectral Unmixing technique on Landsat 8 OLI/TIRS to derive the vegetation and bare soil at the pixel level, and two more variants of built-up areas, namely one for the water, followed by the algorithm of the first four components and the evaluation of the C Factor (CLSU).
Authors and Affiliations
Lucian BLAGA, Ioana JOSAN, Liviu BUCUR
Keywords
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