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- W2024807732 abstract "Abstract Spring, summer, and autumn SPOT images were analyzed to map crop and soil inhomogeneities on a complex area. Visual comparison showed that SPOT imagery was nearly as interpretable as the small or medium scale color infrared (CIR) aerial photography. Based on soil brightness and vegetation index maps derived from spring and summer images, soils with low vegetation cover were enhanced. This simple method revealed spots with salinization, erosion, sand dunes, and temporary ponds, all of which retard crop development. Soil - vegetation discrimination was very accurate with spring (4 May) as well as with summer (31 July) data. The spring image was appropriate to map winter crops. The summer image, however, was found unfavorable to separate maize and sunflower. Spectral separability and classification accuracy was better with Landsat TM owing to its middle-IR band, compared to SPOT XS." @default.
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- W2024807732 date "1989-09-01" @default.
- W2024807732 modified "2023-10-02" @default.
- W2024807732 title "Comparative study of crop and soil mapping using multitemporal and multispectral SPOT and landsat thematic mapper data" @default.
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- W2024807732 doi "https://doi.org/10.1016/0034-4257(89)90003-5" @default.
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