The environment of south-central Tunisia as observed on Landsat scene 206/036
Open-File Report
82-130
By: M. J. Grolier and P.A. Schultejann
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Abstract
One Landsat image in south-central Tunisia was analyzed to demonstrate the application of remote-sensing technology to regional development. A preliminary analysis included I) major landscape features; 2) gypsum-encrusted soils; and 3) phosphate-bearing beds exposed in the Gafsa mining district.
The products specifically used for this report include: 1) A false-color composite (FCC), which had been linearly stretched to enhance contrast, and to which a modulation transfer function correction (a high-pass filter 3 pixels by 3 pixels wide) had been applied to enhance fine topographic relief. 2) A sinusoidally stretched false-color composite, on which mappable gypsum-encrusted soils and saline soils are detectable in greater detail than on the existing soil map of Tunisia at 1:500,000 scale. 3) A sinusoidally stretched band-ratio false-color composite, from which a thematic map of most phosphate-bearing beds in the Gafsa mining district was prepared. Recommendations for future Landsat image interpretation in Tunisia are offered.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | The environment of south-central Tunisia as observed on Landsat scene 206/036 |
| Series title | Open-File Report |
| Series number | 82-130 |
| DOI | 10.3133/ofr82130 |
| Edition | - |
| Year Published | 1982 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey, |
| Description | 43 p., 1 over-size sheet, :ill. (some col.), maps ;28 cm. |
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