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Record #117998:

Refraction correction for radio-echo sounding of large ice masses / W. Gareth Rees, R.E. Donovan.

Title: Refraction correction for radio-echo sounding of large ice masses / W. Gareth Rees, R.E. Donovan.
Author(s): Rees, W. Gareth.
Donovan, R. E.
Date: 1992.
In: Journal of Glaciology. (1992.), Vol. 38(129) (1992)
Abstract: Presents simple mathematical formula for correcting radio echo-sounding data from ice sheet or glacier for effects of varying refractive index. Method requires some knowledge of variation of refractive index with depth, which may be known from direct measurement or estimated from density profile. If latter is unknown, corrections can be estimated to accuracy of 3% of depth to bubble close-off. Size of refraction correction for glacier or ice sheet with flat bed is typically 6 to 10 m under dry-snow conditions.
Notes:

Journal of Glaciology. Vol. 38(129) :302-308 (1992).

Keywords: 551.32 -- Glaciology.
551.321 -- Glaciological methods and instruments.
551.321.61 -- Ice sounding, geophysical methods.
.000(410) -- British author: SPRI.
E3 -- Glaciology: instruments and methods.
SPRI record no.: 117998

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245 10 ‡aRefraction correction for radio-echo sounding of large ice masses /‡cW. Gareth Rees, R.E. Donovan.
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300 ## ‡ap. 302-308 :‡bdiags., tables.
500 ## ‡aJournal of Glaciology. Vol. 38(129) :302-308 (1992).
520 3# ‡aPresents simple mathematical formula for correcting radio echo-sounding data from ice sheet or glacier for effects of varying refractive index. Method requires some knowledge of variation of refractive index with depth, which may be known from direct measurement or estimated from density profile. If latter is unknown, corrections can be estimated to accuracy of 3% of depth to bubble close-off. Size of refraction correction for glacier or ice sheet with flat bed is typically 6 to 10 m under dry-snow conditions.
650 07 ‡a551.32 -- Glaciology.‡2udc
650 07 ‡a551.321 -- Glaciological methods and instruments.‡2udc
650 07 ‡a551.321.61 -- Ice sounding, geophysical methods.‡2udc
650 07 ‡a.000(410) -- British author: SPRI.‡2udc
650 07 ‡aE3 -- Glaciology: instruments and methods.‡2local
700 1# ‡aDonovan, R. E.
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