Visual interpretation of computer transformed Landsat imagery for salt affected areas of part of Haryana

Abstract

In the present study an attempt has been made to interpret visually the computer transformed, FCC, PC₁-PC₂ and Δ method products, landsat imagery of different seasons and with different crop cover, of salt affected areas of part of Haryana. FCC and PC₁-PC₂ of moist hot climate (10 October, 1972) was found better for physiographic interpretation than other seasons and bands, Δ method (October. 1972) and FCC of hot-dry season were good only for interpreting salt affected areas whereas other landform features were suppressed. Not much additional information was gained by way of PC₁-PC₂ and Δ method transformation over FCC (bands 4, 5, 7). It was possible to delineate different classes of salt effected soils based on the areal extent of the hazard.