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  • 1
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    Application of Heat Capacity Mapping Mission data to regional geologic analysis for mineral and energy resource evaluation (1983)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: Heat Capacity Mapping Mission thermal-inertia images of a diversity of terrains and geologic settings were examined in conjunction with topographic, geologic, geophysical, and LANDSAT data. The images were found to have attributes similar to bedrock maps. In the Cascades region, two new features were identified and a method was developed to characterize regional terranes using linear feature data. Two northeast-trending Lineaments were discovered in the Overthrust Belt of Montana and Idaho. The longer of the two extends from the Idaho-Oregon border, through the Idaho batholith and across the Lewis thrust. It coincides, along segments, with mapped faults and an aeromagnetic pattern change. A major lineament crossing the Colorado Plateau and the Southern Rocky Mountians was detected on several thermal-inertial images and evidence was found for the existence of a geologic discontinuity. Vegetation-covered areas in Richfield and the Silver City quadrangle (Arizona and New Mexico) displayed thermal-inertia differences within heavily vegetation areas although no apreciable correlation was found between vegetation cover and thermal inertia. Resistant ridges and knolls have high thermal inertias and thermal-inertia contrasts occurred at lithologic and fault contacts. In the heavy vegetated Pinaleno Mountains, Arizona, a Lithologic unit obscured on LANDSAT MSS data due to the vegetation cover, exhibited a thermal-inertia contrast with its surroundings.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E84-10078 , NASA-CR-173228 , NAS 1.26:173228
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 2
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    Registration of heat capacity mapping mission day and night images (1982)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Registration of thermal images is complicated by distinctive differences in the appearance of day and night features needed as control in the registration process. These changes are unlike those that occur between Landsat scenes and pose unique constraints. Experimentation with several potentially promising techniques has led to selection of a fairly simple scheme for registration of data from the experimental thermal satellite HCMM using an affine transformation. Two registration examples are provided.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: Photogrammetric Engineering and Remote Sensing; 48; Feb. 198
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    Estimation of surface temperature variations due to changes in sky and solar flux with elevation (1981)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: The magnitude of elevation effects due to changes in solar and sky fluxes, on interpretation of single thermal images and composite products such as temperature difference and thermal inertia, are examined. Simple expressions are derived for the diurnal behavior of the two parameters, by fitting field observations in one tropic (Hawaii) and two semi-arid climates (Wyoming and Colorado) (Hummer-Miller, 1981). It is shown that flux variations with elevation can cause changes in the mean diurnal temperature gradient from -4 to -14 degrees C/km, evaluated at 2000 m. Changes in the temperature-difference gradient of 1 to 2 degrees C/km are also produced which is equivalent to an effective thermal-inertia gradient of 100 W s(exp 1/2)/sq m-K-km. An example is presented showing an elevation effect of 12 degrees C on the day and night thermal scenes of a test site in Arizona.
    Keywords: GEOPHYSICS
    Type: Geophysical Research Letters; 8; June 198
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    Ground support data from July 10 to July 29, 1978, for HCMM thermal satellite data of the Powder River Basin, Wyoming (1980)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: Radiometric and meteorological data acquired at three ground stations located approximately 150 km apart in the Powder River Basin, Wyoming, are summarized. The data were collected between July 10 and July 29, 1978, to support the HCMM thermal satellite data acquired during this time period. The parameters measured are direct solar radiance, total solar radiance, sky radiance, air temperature, relative humidity, wind speed, and wind direction. A tabulation of the measurement accuracies is presented.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E82-10211 , NASA-CR-168772 , NAS 1.26:168772 , USGS-OFR-80-469
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    NASA TECHNICAL REPORTS
  • 5
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    Registration of Heat Capacity Mapping Mission day and night images (1982)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: Neither iterative registration, using drainage intersection maps for control, nor cross correlation techniques were satisfactory in registering day and night HCMM imagery. A procedure was developed which registers the image pairs by selecting control points and mapping the night thermal image to the daytime thermal and reflectance images using an affine transformation on a 1300 by 1100 pixel image. The resulting image registration is accurate to better than two pixels (RMS) and does not exhibit the significant misregistration that was noted in the temperature-difference and thermal-inertia products supplied by NASA. The affine transformation was determined using simple matrix arithmetic, a step that can be performed rapidly on a minicomputer.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E82-10210 , NASA-CR-168773
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 6
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    Geologic applications of thermal-inertia mapping from satellite (1981)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: In the Powder River Basin, Wyo., narrow geologic units having thermal inertias which contrast with their surroundings can be discriminated in optimal images. A few subtle thermal inertia anomalies coincide with areas of helium leakage believed to be associated with deep oil and gas concentrations. The most important results involved delineation of tectonic framework elements some of which were not previously recognized. Thermal and thermal inertia images also permit mapping of geomorphic textural domains. A thermal lineament appears to reveal a basement discontinuity which involves the Homestake Mine in the Black Hill, a zone of Tertiary igneous activity and facies control in oil producing horizons. Applications of these data to the Cabeza Prieta, Ariz., area illustrate their potential for igneous rock type discrimination. Extension to Yellowstone National Park resulted in the detection of additional structural information but surface hydrothermal features could not be distinguished with any confidence. A thermal inertia mapping algorithm, a fast and accurate image registration technique, and an efficient topographic slope and elevation correction method were developed.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E82-10011 , NASA-CR-164818
    Format: application/pdf
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