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  • 1
    Publication Date: 2011-08-19
    Description: A Landsat-4 Thematic Mapper (TM) image of the Wind River Basin area in Wyoming is currently under analysis for stratigraphic and structural mapping and for assessment of spectral and spatial characteristics using visible, near infrared, and short wavelength infrared bands. To estimate the equivalent Lambertian surface reflectance, TM radiance data were calibrated to remove atmospheric and instrumental effects. Reflectance measurements for homogeneous natural and cultural targets were acquired about one year after data acquisition. Calibration data obtained during the analysis were used to calculate new gains and offsets to improve scanner response for earth science applications. It is shown that the principal component images calculated from the TM data were the result of linear transformations of ground reflectance. In images prepared from this transform, the separation of spectral classes was independent of systematic atmospheric and instrumental factors. Several examples of the processed images are provided.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: IEEE Transactions on Geoscience and Remote Sensing (ISSN 0196-2892); GE-23; 562-573
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  • 2
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    In:  CASI
    Publication Date: 2013-08-31
    Description: An in-progress study demonstrates the utility of Thermal Infrared Multispectral Scanner (TIMS) data for unraveling the stratigraphic sequence of a western interior, North American foreland basin. The TIMS data can be used to determine the stratigraphic distribution of minerals that are diagnostic of specific depositional distribution. The thematic mapper (TM) and TIMS data were acquired in the Wind River/Bighorn area of central Wyoming in November 1982, and July 1983, respectively. Combined image processing, photogeologic, and spectral analysis methods were used to: map strata; construct stratigraphic columns; correlate data; and identify mineralogical facies.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: The TIMS Data User's Workshop; p 50-52
    Format: application/pdf
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  • 3
    Publication Date: 2016-06-07
    Description: An in-progress study demonstrates the utility of airborne imaging spectrometer (AIS) data for unraveling the stratigraphic evolution of a North American, western interior foreland basin. AIS data are used to determine the stratigraphic distribution of mineralogical facies that are diagnostic of specific depositional environments. After wavelength and amplitude calibration using natural ground targets with known spectral characteristics, AIS data identify calcite, dolomite, gypsum and montmorillonite-bearing strata in the Permian-Cretaceous sequence. Combined AIS and TM results illustrate the feasibility of spectral stratigraphy, remote analysis of stratigraphic sequences.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Proc. of the Airborne Imaging Spectrometer Data Anal. Workshop; p 32-34
    Format: application/pdf
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  • 4
    Publication Date: 2018-06-08
    Description: Imaging Spectroscopy enables the identification and mapping of surface mineralogy over large areas.
    Type: 7th Annual Airborne Earth Science Workshop; Pasadena, CA; United States
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  • 5
    Publication Date: 2018-06-08
    Description: This document is the validation plan for the ASTER standard data products.
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  • 6
    Publication Date: 2018-06-08
    Description: Because of questions regarding the validity of proposed accreted terranes, the tectonostratigraphic evolution of the southern margin of North America plate in Mexico remains controversial.
    Keywords: Geophysics
    Type: American Geophysical Union; United States
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  • 7
    Publication Date: 2018-06-08
    Description: New mapping results are reported from a 30 km X 250 km transect.
    Type: Geofisica International
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  • 8
    Publication Date: 2019-06-28
    Description: The overall objective of the project was to evaluate LANDSAT-4 Thematic Mapper (TM) data in the context of geologic applications. This involved a quantitative assessment of the data quality including the spatial and spectral characteristics realized by the instrument. Three test sites were selected for the study: (1) Silver Bell, Arizona; (2) Death Valley, California; and (3) Wind River/Bighorn Basin area, Wyoming. Conclusions include: (1) Artificial and natural targets can be used to atmospherically calibrate TM data and investigate scanner radiometry, atmospheric parameters, and construction of atmospheric Modulation Transfer Functions (MTF's), (2) No significant radiometric degradation occurs in TM data as a result of SCROUNGE processing; however, the data exhibit narrow digital number (DN) distributiosn suggesting that the configuration of the instrument is not optimal for each science applications, (30 Increased spatial resolution, 1:24,000 enlargement capability, and good geometric fidelity of TM data allow accurate photogeologic/geomorphic mapping, including relative age dating of alluvial fans, measurement of structural and bedding attitudes, and construction of such things as structural cross sections and stratigraphic columns. (4) TM bands 5 and 7 are particularly useful for geologic applications because they span a region of the spectrum not previously sampled by multispectral scanner data and are important for characterizing clay and carbonate materials.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: NASA-CR-176660 , JPL-PUB-85-66 , NAS 1.26:176660
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  • 9
    Publication Date: 2014-09-19
    Description: A brief survey is given of research on the San Juan Basin located in northwest New Mexico and Southern Colorado. Seismic, LANDSAT multispectral scanner and geologic data will be examined in order to understand the changing structural configuration of the basin. Several questions concerned with the discrimination of lithology using LANDSAT multispectral scanner data are posed.
    Keywords: GEOPHYSICS
    Type: Rept. of the Workshop on Geol. Appl. of Remote Sensing to the Study of Sedimentary Basins; p 51-52
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  • 10
    Publication Date: 2014-09-19
    Description: The availability of data from sensors operating in several different wavelength regions had led to the development of new techniques and strategies for both data management and image analysis. Work is ongoing to develop computer techniques for analysis of integrated data sets. These techniques include coregistration of multisensor images, rectification of radar images in areas of topographic relief to ensure pixel to pixel registration with planimetric data sets, calibration of data so that signatures can be applied to remote areas, normalization of data acquired with disparate sensors and determination of extended spectral signatures of surface units. In addition, software is being developed to analyze coregistrated digital terrain and image data so that automated stratigraphic and structural analyses can be performed. These software procedures include: strike and dip determination, terrain profile generation, stratigraphic column generation, stratigraphic thickness measurements, structural cross-section generation, and creation of 3-D block diagrams. These techniques were applied to coregistered LANDSAT 4 Thematic Mapper (TM), Thermal Infrared Multispectral Scanner (TIMS), and multipolarization synthetic aperture radar (SAR) data of the Wind River Basin in Wyoming.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Rept. of the Workshop on Geol. Appl. of Remote Sensing to the Study of Sedimentary Basins; p 41
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