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Study of Soil Spectral Reflectance for Some Soil Units of North Kut Project in the middle of Mesopotamian Plain | ||
| AL-TAQANI | ||
| Article 1, Volume 24, Issue 1, 2011, Pages 269-279 | ||
| Abstract | ||
| Soil Spectral Reflectance was studied for ten soil units selected to the left of Tigris River, north of Kut city reflect the differences of soil units status and geomorphologic location. Soil spectral reflectance for the sites was extracted from Landsat satellite ETM+ Image, with nine bands and its spectral indices .Soil physical and chemical properties were determined. The aim of this study was to demonstrate the effect of soil physical and chemical properties on soil spectral reflectance. The results will establish spectral signatures for each map unit which helps to identify soil units using remote sensing data and minimize the soil survey costs. Reflectance values for each site differ at the several bands and also between sites at each band. The main effect was related to salinity and gypsum soil content at the surface horizons. Brightness index and shadow index were the best spectral indices to reflect soil unit’s properties differences. | ||
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