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  • 1
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    Good books from UNESCO for teachng hydrology (1975)
    American Geophysical Union
    Details
    Publication Date: 1975-01-01
    Print ISSN: 0096-3941
    Electronic ISSN: 2324-9250
    Topics: Geosciences
    Published by American Geophysical Union
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    PAPER CURRENT
  • 2
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    Automated strip mine and reclamation mapping from ERTS (1974)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: In response to the urgent need for a faster and more economical means of generating strip mine and reclamation maps, a study was conducted to evaluate the suitability of using ERTS computer compatible tape for automatic mapping. The procedure uses computer target spectral recognition techniques as a basis for classification. The area encompassed by this investigation includes five counties in eastern Ohio that comprise nearly 7,500 square kilometers (3,000 square miles). The counties have been disrupted by coal mining since the early 1800's, and strip mining has been practiced in all of them. The environmental effects of strip mining are also discussed.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: NASA. Goddard Space Flight Center Third ERTS Symp., Vol. 2; p 87-101
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    ERTS-1 investigation of ecological effects of strip mining in eastern Ohio (1973)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Evidence is presented of ERTS capability to detect, map and monitor the effects of strip mining. Both enlarge ERTS imagery and statistically processed outline maps and imagery of stripped earth and standing water are compared to aerial photos of a strip mine near Coshocton, Ohio. The outline maps and decision imagery are at present limited to forming a disruption map of recently mined and unreclaimed earth and the resultant standing water within the mined area. It is planned to prepare a map of the reclaimed areas (reclamation map) within the stripped area and to detect and identify ecological effects such as vegetation kills and stream sedimentation external to the stripped areas.
    Keywords: GEOPHYSICS
    Type: PAPER-E2 , NASA. Goddard Space Flight Center Symp. on Significant Results obtained from the ERTS-1, Vol. 1, Sect. A and B.; p 561-568
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 4
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    Automated strip-mine and reclamation mapping from ERTS (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Using computer processing techniques, it is possible to produce geometrically-corrected maps of the coal strip mines in East-Central Ohio by utilizing ERTS-1 CCTs. Several target categories can be drawn by a computer-controlled pen on film that will accurately overlay a base map of any scale selected by the operator. For each overlay, the computer can generate a table that shows the area of each target category in square kilometers, acres, or percent of total area.
    Keywords: GEOPHYSICS
    Type: PAPER-E3 , NASA. Goddard Space Flight Center 3d ERTS-1 Symp., Vol. 1, Sect. B; p 1519-1531
    Format: text
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    NASA TECHNICAL REPORTS
  • 5
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    Automatic mapping of strip mine operations from spacecraft data (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The author has identified the following significant results. Computer techniques were applied to process ERTS tapes acquired over coal mining operations in southeastern Ohio on 21 August 1972 and 3 September 1973. ERTS products obtained included geometrically-correct map overlays, at scales from 1:24,000 to 1:250,000, showing stripped earth, partially reclaimed earth, water, and natural vegetation. Computer-generated tables listing the area covered by each land-water category in square kilometers were also produced. By comparing these mapping products, the study demonstrates the capability of ERTS to monitor changes in the extent of stripping and reclamation. NASA C-130 photography acquired on 7 September 1973 when compared with the ERTS products generated from the 3 September 1973 tape established the categorization accuracy to be better than 90%. It is estimated that the stripping and reclamation maps and data were produced from the ERTS CCTs at a tenth of the cost of conventional techniques.
    Keywords: GEOPHYSICS
    Type: E74-10715 , NASA-CR-139547
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 6
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    Determine utility of ERTS-1 to detect and monitor area strip mining and reclamation (1975)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: The author has identified the following significant results. Computer techniques were applied to process ERTS tapes acquired over coal mining operations in southeastern Ohio on 21 August 1972 and 3 September 1973. ERTS products obtained included geometrically correct map overlays showing stripped earth, partially reclaimed earth, water, and natural vegetation. Computer-generated tables listing the area covered by each land-water category in square kilometers and acres were produced. By comparing these mapping products, the study demonstrates the capability of ERTS to monitor changes in the extent of stripping, success of reclamation, and the secondary effects of mining on the environment.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E75-10327 , NASA-CR-143064 , BSR-4179
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 7
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    Ecological effects of strip mining in Ohio (1972)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: There are no author-identified significant results in this report.
    Keywords: GEOPHYSICS
    Type: E72-10256 , NASA-CR-129188 , REPT-72-141-1084
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 8
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    Automated strip-mine and reclamation mapping from ERTS (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The author has identified the following significant results. Computer processing techniques were applied to ERTS-1 computer-compatible tape (CCT) data acquired in August 1972 on the Ohio Power Company's coal mining operation in Muskingum County, Ohio. Processing results succeeded in automatically classifying, with an accuracy greater than 90%: (1) stripped earth and major sources of erosion; (2) partially reclaimed areas and minor sources of erosion; (3) water with sedimentation; (4) water without sedimentation; and (5) vegetation. Computer-generated tables listing the area in acres and square kilometers were produced for each target category. Processing results also included geometrically corrected map overlays, one for each target category, drawn on a transparent material by a pen under computer control. Each target category is assigned a distinctive color on the overlay to facilitate interpretation. The overlays, drawn at a scale of 1:250,000 when placed over an AMS map of the same area, immediately provided map locations for each target. These mapping products were generated at a tenth of the cost of conventional mapping techniques.
    Keywords: GEOPHYSICS
    Type: E74-10490 , NASA-CR-136891
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 9
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    Determine utility of ERTS-1 to detect and monitor area strip mining and reclamation (1973)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: Utility of ERTS-1 to detect and monitor area strip mining and reclamation in Southeastern Ohio
    Keywords: GEOPHYSICS
    Type: E73-10131 , PAPER-E2 , NASA. Goddard Space Flight Center Environment Surveys; p 61
    Format: text
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    NASA TECHNICAL REPORTS
  • 10
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    Preliminary evaluation of the 15 October 1972 ERTS-1 imagery of east central Ohio (scene 1034-15415) (1973)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The author has identified the following significant results. Results of a general, physical interpretation of ERTS-1 imagery of east central Ohio are presented. Special emphasis is placed upon geologic features, such as linear features and hydrologic features. Man-made features are included as a matter of interest and image location. The interpretation is compared to available maps of the area and from this an assessment that ERTS-1 is potentially useful for updating and producing geological maps.
    Keywords: GEOPHYSICS
    Type: E73-10454 , NASA-CR-131254 , BSR-3661
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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