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  • 1975-1979  (7)
  • 1979  (3)
  • 1975  (4)
  • 1
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    Lead enhancement of lithium-induced polydipsia (1979)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1979-08-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mailman, R B -- Breese, G R -- Krigman, M R -- Mushak, P -- Mueller, R A -- New York, N.Y. -- Science. 1979 Aug 17;205(4407):726.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17781262" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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    PAPER CURRENT
  • 2
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    Remote profiling of lake ice using an S-band short pulse radar aboard an all-terrain vehicle (1975)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: An airborne short-pulse radar system to measure ice thickness was designed. The system supported an effort to develop an all-weather Great Lakes Ice Information System to aid in extending the winter navigation season. Experimental studies into the accuracy and limitations of the system are described. A low power version was operated from an all-terrain vehicle on the Straits of Mackinac during March 1975. The vehicle allowed rapid surveying of large areas and eliminated the ambiguity in location between the radar system and the ground truth ice auger team. It was also possible to the effects of snow cover, surface melt water, pressure ridging, and ice type upon the accuracy of the system. Over 25 sites were explored which had ice thicknesses from 29 to 60 cm. The maximum radar overestimate was 9.8 percent, while the maximum underestimate was 6.6 percent. The average error of the 25 measurements was 0.1 percent.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: NASA-TM-X-71808 , E-8502 , Subsurface Probing Session of the International Union of Radio Science Meeting; Oct 20, 1975 - Oct 23, 1975; Boulder, CO; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    Great Lakes all-weather ice information system (1975)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: A system is described which utilizes an X-band Side-Looking-Airborne-Radar (SLAR) for determining type, location, and aerial distribution of the ice cover in the Great Lakes and an airborne, S-band, short pulse radar for obtaining ice thickness. The SLAR system is currently mounted aboard a U.S. Coast Guard C-130B aircraft. Digitized SLAR data are relayed in real-time via the NOAA-GOES-1 satellite in geosynchronous orbit to the U.S. Coast Guard Ice Center in Cleveland, Ohio. SLAR images along with hand-drawn interpretative ice charts for various winter shipping areas in the Great Lakes are broadcast to facsimile recorders aboard Great Lakes vessels. The operational aspects of this ice information system are being demonstrated by NASA, U.S. Coast Guard, and NOAA/National Weather Service. Results from the 1974-75 winter season demonstrated the ability of this system to provide all-weather ice information to shippers in a timely manner.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: NASA-TM-X-71815 , Intern. Symp. on Remote Sensing of the Environment; Oct 06, 1975 - Oct 10, 1975; Ann Arbor, MI; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 4
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    Great Lakes all-weather ice information system (1975)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: The all-weather ice information system described uses the X-band side-looking airborne radar to determine the aerial distribution, location, and type of ice cover in the Great Lakes and an airborne S-band short-pulse radar to determine the ice thickness. Results from the 1974-1975 winter season demonstrated the ability of the system to provide all-weather ice information to shippers at the required time.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: International Symposium on Remote Sensing of the Environment; Oct 06, 1975 - Oct 10, 1975; Ann Arbor, MI
    Format: text
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    NASA TECHNICAL REPORTS
  • 5
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    Remote profiling of lake ice using an S-band short-pulse radar aboard an all-terrain vehicle (1975)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: The airborne short-pulse radar system described was developed to measure ice thickness in an attempt to extend the winter navigation system as a means of reducing coal and ore shipping costs. Experimental studies of the accuracy and limitations of the system are discussed, and measurements made at 25 sites are compared. The radar system was found to provide accurate lake ice thickness measurements that were not affected by snow cover or adverse weather conditions. Surface melting and rain, however, preclude measurements.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: International Union of Radio Science Meeting; Oct 20, 1975 - Oct 23, 1975; Boulder, CO
    Format: text
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    NASA TECHNICAL REPORTS
  • 6
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    VHF downlink communication system for SLAR data (1979)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: This paper describes a real-time VHF downlink communication system for transmitting side-looking airborne-radar (SLAR) data directly from an aircraft to a portable ground/shipboard receiving station. Use of this receiving station aboard the U.S. Coast Guard icebreaker Mackinaw for generating real-time photographic quality radar images will be discussed. The system was developed and demonstrated in conjunction with the U.S. Coast Guard and NOAA National Weather Service as part of the Project Icewarn all-weather ice information system for the Great Lakes Winter Navigation Program.
    Keywords: SPACE COMMUNICATIONS, SPACECRAFT COMMUNICATIONS, COMMAND AND TRACKING
    Type: University of Michigan, International Symposium on Remote Sensing of Environment; Apr 23, 1979 - Apr 27, 1979; Ann Arbor, MI
    Format: text
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    NASA TECHNICAL REPORTS
  • 7
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    VHF downline communication system for SLAR data (1979)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: A real time VHF downlink communication system is described for transmitting side-looking airborne radar (SLAR) data directly from an aircraft to a portable ground/shipboard receiving station. Use of this receiving station aboard the U.S. Coast Guard icebreaker Mackinaw for generating real-time photographic quality radar images is discussed. The system was developed and demonstrated in conjunction with the U.S Coast Guard and NOAA National Weather Service as part of the Project Icewarn all weather ice information system for the Great Lakes Winter Navigation Program.
    Keywords: COMMUNICATIONS AND RADAR
    Type: NASA-TM-79164 , E-025 , Intern. Symp. on Remote Sensing of Environment; Apr 23, 1979 - Apr 27, 1979; Ann Arbor, MI; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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