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    An improved coherent radar depth sounder

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    gogineni_radar.pdf (12.06Mb)
    Issue Date
    1998
    Author
    Gogineni, Sivaprasad
    Chuah, T.
    Allen, Christopher Thomas
    Jezek, Kenneth C.
    Moore, R. K.
    Publisher
    International Glaciological Society
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Published Version
    http://www.igsoc.org/journal/
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    Abstract
    The University of Kansas developed a coherent radar depth sounder during the 1980s. This system was originally developed for glacial ice-thickness measurements in the Antarctic. During the field tests in the Antarctic and Greenland, we found the system performance to be less than optimum. The field tests in Greenland were performed in 1993, as a part of the NASA Program for Arctic Climate Assessment ( PARCA ). We redesigned and rebuilt this system to improve the performance. The radar uses pulse compression and coherent signal processing to obtain high sensitivity and fine along-track resolution. It operates at a center frequency of 150 MHz with a radio frequency bandwidth of about 17 MHz, which gives a range resolution of about 5 m in ice. We have been operating it from a NASA P-3 aircraft for collecting ice-thickness data in conjunction with laser surface-elevation measurements over the Greenland ice sheet during the last 4 years. We have demonstrated that this radar can measure the thickness of more than 3 km of cold ice and can obtain ice-thickness information over outlet glaciers and ice margins. In this paper we provide a brief survey of radar sounding of glacial ice, followed by a description of the system and subsystem design and performance. We also show sample results from the field experiments over the Greenland ice sheet and its outlet glaciers.
    Description
    This is the published version. Copyright International Glaciological Society
    URI
    http://hdl.handle.net/1808/19275
    Collections
    • Electrical Engineering and Computer Science Scholarly Works [302]
    Citation
    Gogineni, S., T. Chuah, C. Allen, K. Jezek, and R. K. Moore. "An Improved Coherent Radar Depth Sounder." Journal of Glaciology 44.148 (1998): 659-69.

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    KU Libraries
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    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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