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Scientific Results in Radioglaciology

  • V. V. Bogorodsky
  • C. R. Bentley
  • P. E. Gudmandsen
Part of the Glaciology and Quaternary Geology book series (GQGE, volume 1)

Abstract

In Chapter 3, we discussed the principal measurements on the electrical properties of ice grown in the laboratory and our discussion touched briefly on the electrical properties across the entire frequency spectrum. We will now consider the properties of natural glacier ice and, in doing so, concentrate our attention on the range of frequencies that are of concern in radioglaciology, i.e., 104–109Hz. In this range, both ε′ and σ are essentially constant as a function of frequency, ε′ is also nearly constant with temperature, whereas σ varies according to an activation energy that is essentially the same as that for the characteristic relaxation time, τ. In this part of the spectrum the Debye theory works very nicely, so that we infer results about the temperature dependence of τ from measurements of σ- most of the actual measurements are of the latter quantity, which is directly involved in the energy absorption rate in the ice.

Keywords

Camp Century Reflection Loss Airborne Radar Transantarctic Mountain Lambert Glacier 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

References

  1. [1]
    Atlas of Antarctica, Vol. I, Leningrad, Main Department of Cartography of the U.S.S.R., 1966, 66 pp.Google Scholar
  2. [2]
    Budd, W.F. Ice mass dynamics. Translated from the English, Leningrad, Hydrometeoizdat, 1975, 236 pp.Google Scholar
  3. [3]
    Belousova, I.M. Bogorodsky, V.V., Danilov, O.V., Ivanov, I.P. ‘Glacier movement investigations by means of laser’. Reports of the Academy of Sciences of the U.S.S.R., 1971, 1999 (5) 1055–1057.Google Scholar
  4. [4]
    Bogorodsky, V.V. Physical methods of glacier investigations. Leningrad, Hydrometeoizdat, 1962, 212 pp.Google Scholar
  5. [5]
    Bogorodsky, V.V. ‘Complex method of water mass estimation in glaciers’. Meteorology and hydrology, 1978, No. 11, 70–77.Google Scholar
  6. [6]
    Bogorodsky, V.V., Trepov, G.V., Fedorov, B.A. ‘Possibility of laser use for ice cover dynamic investigations’. Trans. AARI, 1970, 295, 32–34.Google Scholar
  7. [7]
    Bogorodsky, V.V., Trepov, G.V., Fedorov, B.A. ‘Focusing factor in radar sounding of media.’ Trans. AARI, 1974, 324, 4–11.Google Scholar
  8. [8]
    Bogorodsky, V.V., Trepov, G.V. Fedorov, B.A. ‘Amplitude fluctuations of radar signals in glacier sounding’. Trans. AARI, 1974, 324, 20–27.Google Scholar
  9. [9]
    Bogorodsky, V.V., Trepov, G.V., Fedorov, B.A. ‘Polarization variations of radar signals in sounding of glaciers in the Arctic’. J. Technical Physics, 1976, 46 (2) 366–372.Google Scholar
  10. [10]
    Bogorodsky, V.V., Trepov, G.V., Sheremetyev, A.N. ‘Radar sounding measurements for determining the thickness and velocity of the Antarctic ice sheet’. Trans. Academy of Sciences of the U.S.S.R. Physics of the Earth, 1979, No. 1, 95–100.Google Scholar
  11. [11]
    Bogorodsky, V.V., Fedorov, B.A. ‘Radar sounding of glaciers’. J. Technical Physics, 1967, 37 (4) 782–788.Google Scholar
  12. [12]
    Bogorodsky, V.V., Fedorov, B.A. ‘Radar sounding of glaciers of Severnaya Zemlya’. Trans. AARI, 1970, 295, 5–16.Google Scholar
  13. [13]
    Boyarsky, V.I., Fedorov, B.A. ‘A few peculiarities of radar signals in sounding of glaciers of Severnaya Zemlya’. Trans. AARI, 1978, 359, 56–60.Google Scholar
  14. [14]
    Govorukha, L.S., Ivanov, V.V., Chizhov, O.P. ‘Glacial water resources and ice flow in the Arctic’. Problems of Arctic and Antarctic, 1974, No. 45, 5–12.Google Scholar
  15. [15]
    Kluga, A.M. ‘Energy characteristics of radar signals from glacial crevasses’. Trans. RICA, 1972, 228, 56–60.Google Scholar
  16. [16]
    Ice and Snow. Edited by Kingery, W.D. (Translated from the English and edited by Saveljev, B.A.). Peace, 1966, 478 pp.Google Scholar
  17. [17]
    Macheret, Yu.Ya., Gromyko, A.N., Juravlev, A.V. ‘Radar sounding of Spitsbergen glaciers’. Materials of glaciological investigations, 1980, No. 38, 279–287.Google Scholar
  18. [18]
    Macheret, Yu.Ya., Juravlev, A.V., ‘Interpretation of results of radar sounding of Spitsbergen glaciers from a helicopter’. Materials of glaciological investigations, 1973, No. 22, 109–131.Google Scholar
  19. [19]
    World Water Balance and Water Resources of the Earth. Leningrad, Hydrometeoizdat, 1974, 638 pp.Google Scholar
  20. [20]
    Pasynkov V.V. Materials for Electronic Engineering. Moscow, High School, 1980, 406 pp.Google Scholar
  21. [21]
    Pustylnick E.T. Statistical Methods of Analysis and Processing of Data. Moscow Science, 1968, 196 pp.Google Scholar
  22. [22]
    Trepov, G.V. ‘Estimation of glacial temperature profiles from radar sounding data’. Bull. SAE, 1970, No. 79, 53–55.Google Scholar
  23. [23]
    Fedorov, B.A. ‘Measurements of the mean velocity of vertical propagation of pulse signals in glaciers of Severnaya Zemlya’. Trans. AARI, 1978, 359, 48–55.Google Scholar
  24. [24]
    Ackley, S.F., Itagaki, K. ‘Strain effect on the dielectric properties of ice’. U.S. Army Terrestrial Sci. Center, Tech. Note, 1969.Google Scholar
  25. [25]
    Ackley, S.F., Keliher, T. E. ‘Ice sheet internal radio-echo reflections and associated physical property changes with depth’. J. Geophys. Res., 1979, 84 (B10) 5675–5680.CrossRefGoogle Scholar
  26. [26]
    Allison, I., Frew, R., Knight, I. ‘Bedrock and surface topography of the coastal regions of Antarctica between 48°E and 64°E’. Polar Record, 1982, 21 (132) 241–252.CrossRefGoogle Scholar
  27. [27]
    Ambach, W., Denoth, A. ‘Studies on the dielectric properties of snow’. Zeitschrift für Gletscherkunde und Glazialgeol., 1972, 8 (1-2) 113–123.Google Scholar
  28. [28]
    Annan, A.O. ‘Radio interferometry depth sounding. Part 1: Theoretical discussion’. Geophysics, 1973, 38, (3) 557–580.CrossRefGoogle Scholar
  29. [29]
    Bailey, J.T., Evans, S. ‘Radio echo sounding on the Brunt ice shelf and in Coats Land, 1965’. British Antarctic Survey Bull., 1968, No. 17, 1–12.Google Scholar
  30. [30]
    Banos, A. Dipole radiation in the Presence of a Conducting Half-Space. New York, Pergamon Press, 1966.Google Scholar
  31. [31]
    Barnard, H.P. ‘Radio echo sounding in western Dronning Maud Land, 1974’. South African J. Antarctic Res., 1975, No. 5, 37–41.Google Scholar
  32. [32]
    Beitzel, J.E. ‘Geophysical exploration in Queen Maud Land, Antarctica’. In: A.P. Crary, ed, Antarctic Snow and Ice Studies II, Amer. Geophys. Union, Antarctic Res. Ser., 1971, Vol. 16, pp. 39–87.CrossRefGoogle Scholar
  33. [33]
    Bentley, C.R. ‘Seismic anisotropy in the West Antarctic ice sheet’. In: A.P. Crary, ed., Antarctic Snow and Ice Studies II, Amer. Geophys. Union, Antarctic Res. Ser., 1971, Vol. 16, pp. 131–177.CrossRefGoogle Scholar
  34. [34]
    Bentley, C.R. ‘Advances in geophysical exploration of ice sheets and glaciers’. J. Glaciol., 1975, 15 (73) 113–134.Google Scholar
  35. [35]
    Bentley, C.R. etal., ‘Geophysical investigation of the Dome C area’. Antarctic J. U.S., 1979, 16 (5) 98–100.Google Scholar
  36. [36]
    Bentley, C.R. ‘Variations in valley glacier activity in the Transantarctic Mountains as indicated by associated flow bands in the Ross ice shelf’. - IAHS Pub. No. 131 (Sea Level, Ice and Climatic Change: Proc. Canberra Symposium, December 1979), 1981, pp. 247–251.Google Scholar
  37. [37]
    Bentley, C.R., Clough, J.W., Jezek, K.C., Shabtaie, S. ‘Ice thickness patterns and the dynamics of the Ross ice shelf’. J. Glaciol., 1979, 24 (90) 287–294.Google Scholar
  38. [38]
    Berry, M.V. ‘The statistical properties of echoes diffracted from rough surfaces’. Phil. Trans. Roy. Soc. London, 1973, Ser. A, 273 (1237) 611–654.Google Scholar
  39. [39]
    Berry, M.V. ‘The theory of radio echoes from glacier beds’. J. Glaciol., 1975, 15 (73) 65–74.Google Scholar
  40. [40]
    Blankenship, D.D. et al. ‘Seismic and magnetic indications of subglacial geology, Dome C, Antarctica’ (abstract). Paper presented at AGU Midwest Meeting, DeKalb, 18–19 September 1980.Google Scholar
  41. [41]
    Bourgoin, J.-P. ‘Quelques caracteres analytiques de la surface et du socle de l’inlandsis groenlandais’. Annales de Geophysique, 1956, 12 (1) 75–83.Google Scholar
  42. [42]
    Budd, W.F. ‘Stress variations with ice flow over undulations’. J. Glaciol., 1971, 10 (59) 29–48.Google Scholar
  43. [43]
    Budd, W.F., Carter, D.B. ‘An analysis of the relation between the surface and bedrock profiles of ice caps’. J. Glaciol., 1971, 10 (59) 197–209.Google Scholar
  44. [44]
    Budd, W.F., Young, N.W. ‘Results from the IAGP flowline study inland of Casey, Wilkes Land, Antarctica’. J. Glaciol., 1979, 24 (90) 89–101.Google Scholar
  45. [45]
    Calkin, P.E. ‘Radio echo sounding records from southern Victoria Land’. Antarctic J. U.S., 1971, 6 (5) 208–209.Google Scholar
  46. [46]
    Calkin, P.E. ‘Subglacial geomorphology surrounding the ice-free valleys of southern Victoria Land, Antarctica’. J. Glaciol., 1974, 13 (69) 415–430.Google Scholar
  47. [47]
    Camplin, G.C., Glen, J.W. The dielectric properties of HP-doped single crystals of ice’. In: Whalley, E., Jones, S.J., Gold, L.W., eds., Physics and Chemistry of Ice: Papers presented at the Symposium on the Physics and Chemistry of Ice, Ottawa, Canada, 14–18 August 1972, Royal Society of Canada, Ottawa, 1973, pp. 256–261.Google Scholar
  48. [48]
    Clarke, G.K.C., Goodman, R.H. ‘Radio-echo sounding and ice-temperature measurements in a surge-type glacier’. J. Glaciol., 1975, 14 (70) 71–78.Google Scholar
  49. [49]
    Clough, J.W., Bentley, C.R. ‘Electromagnetic sounding of glacial and shelf ice’. Antarctic J. U.S., 1967, 2 (4) 119–120.Google Scholar
  50. [50]
    Clough, J.W., Bentley, C.R. ‘Measurement of electromagnetic wave velocity in the East Antarctic ice sheet’. In: Gow, A.J. et al., eds., Proc. ISAGE Symposium, IASH Pub., No. 86, 1970, pp. 115–128.Google Scholar
  51. [51]
    Clough, J.W. ‘Radio echo sounding: brine percolation layer’. J. Glaciol., 1973, 12 (64) 141–143.Google Scholar
  52. [52]
    Clough, J.W. ‘Propagation of radio waves in the Antarctic ice sheet’. Ph. D. Thesis, Geophys. and Polar Res. Center, Univ of Wisconsin-Madison, 1974, 119 pp.Google Scholar
  53. [53]
    Clough, J.W. ‘RISP radio echo soundings’. Antarctic J. U.S., 1974, 9 (4) 159 pp.Google Scholar
  54. [54]
    Clough, J.W. ‘Bottom crevasses in the Ross ice shelf’. J. Glaciol., 1975, 15 (73) 457–458.Google Scholar
  55. [55]
    Clough, J.W. ‘Radio echo sounding: reflections from internal layers in ice sheets’. J. Glaciol., 1977, 18 (78) 3–14.Google Scholar
  56. [56]
    Clough, J. W.,Jezek, K.C., Robertson, J.D. ‘RISP drill site survey’. Antarctic J. U.S., 1915, 10 (4) p. 148.Google Scholar
  57. [57]
    Collins, I.F. ‘On the use of the equilibrium equations and flow law in relating the surface and bed topography of glaciers and ice sheets’. J. Glaciol., 1968, 7 (50) 199–204.Google Scholar
  58. [58]
    Cook, J.C. ‘RF electrical properties of salty ice and frozen earth’. J. Geophys. Res., 1960, 65 (6) 1767–1771.CrossRefGoogle Scholar
  59. [59]
    Crary, J.H., Crombie, D.D. ‘Antarctic ice cap attenuation rates of VLF signals determined from short and long great circle paths’. Radio Science, 1972, 7 (2) 233–238.CrossRefGoogle Scholar
  60. [60]
    Crary, A.P., Robinson, E.S., Bennett, H.F., Boyd, W.W. ‘Glaciological studies of the Ross ice shelf, Antarctica, 1957–60’. IGY Glaciol. Report 6, Am. Geog. Soc., 1962, 193 pp.Google Scholar
  61. [61]
    Cumming, W.A. ‘The dielectric properties of ice and snow at 3.2 centimeters’. J. Appl. Phys., 1952, 23 (7) 768–773.CrossRefGoogle Scholar
  62. [62]
    Davis, J.L., Halliday, J.S., Miller, K.J. ‘Radio echo sounding on a valley glacier in East Greenland’. J. Glaciol., 1973, 12 (64) 87–91.Google Scholar
  63. [63]
    Doake, C.S.M. ‘Glacier sliding measured by a radio echo technique’. J. Glaciol., 1975, 15 (73) 89–93.Google Scholar
  64. [64]
    Doake, C.S.M. ‘Bottom sliding of a glacier measured from the surface’. Nature, 1975, 257 780–782.CrossRefGoogle Scholar
  65. [65]
    Doake, C.S.M., Gorman, M., Paterson, W.S.B. ‘A further comparison of glacier velocities measured by radio-echo survey methods’. J. Glaciol., 1976, 17 (75) 35–38.Google Scholar
  66. [66]
    Drewry, D.J. ‘Subglacial morphology between the Transantarctic Mountains and the South Pole’. In: R.J. Adie, ed., Antarctic Geology and Geophysics, Olso, Universitetsforlaget, 1971, pp. 693–703.Google Scholar
  67. [67]
    Drewry, D.J. ‘The contribution of radio echo sounding to the investigation of Cenozoic tectonics and glaciation in Antarctica’. Inst. British Geographers, Special Pub., 1972, No. 4, pp. 43–57.Google Scholar
  68. [68]
    Drewry, D.J. ‘Sub-ice relief and geology of East Antarctica’. Ph. D. Thesis, University of Cambridge, 1973, 217 pp.Google Scholar
  69. [69]
    Drewry, D.J. ‘Comparison of electromagnetic and seismic-gravity ice thickness measurements in East Antarctica’. J. Glaciol., 1975, 15 (73) 137–150.Google Scholar
  70. [70]
    Drewry, D.J. ‘Terrain units in eastern Antarctica’. Nature, 1975, 256, 194–195.CrossRefGoogle Scholar
  71. [71]
    Drewry, D.J. ‘Sedimentary basins of the East Antarctic craton from geophysical evidence’. Tectonophysics, 1976, 36 (1–3) 301–314.CrossRefGoogle Scholar
  72. [72]
    Drewry, D.J. ‘Ice flow, bedrock, and geothermal studies from radio-echo sounding inland of McMurdo Sound, Antarctica’. In: C. Craddock, ed., Antarctic Geoscience, University of Wisconsin Press, 1982, pp. 977–983.Google Scholar
  73. [73]
    Drewry, D.J., Meldrum, D.T. ‘Antarctic airborne radio echo sounding, 1977–78’. Polar Record, 1978, 19 (120) 267–273.CrossRefGoogle Scholar
  74. [74]
    Drewry, D.J., Meldrum, D.T., Jankowski, E. ‘Radio echo and magnetic sounding of the Antarctic ice sheet, 1978–79’. Polar Record, 1980, 20 (124) 43–57.CrossRefGoogle Scholar
  75. [75]
    Evans, S. ‘Dielectric properties of ice and snow—a review’. J. Glaciol., 1965, 5 (42) 773–792.Google Scholar
  76. [76]
    Evans, S. ‘Progress report on radio echo sounding’. Polar Record, 1967, 13 (85) 413–420.CrossRefGoogle Scholar
  77. [77]
    Evans, S., Drewry, D.J., Robin, G. de Q. ‘Radio echo sounding in Antarctica, 1971–72’. Polar Record, 1972, 16 (101) 207–212.CrossRefGoogle Scholar
  78. [78]
    Evans, S., Robin, G. de Q. ‘Ice thickness measurement by radio echo sounding, 1971–1972’. Antarctic J. U.S., 1972, 7 (4) 108–110.Google Scholar
  79. [79]
    Fitzgerald, W.J., Paren, J.G. ‘The dielectric properties of Antarctic ice’. J. Glaciol., 1975, 15 (73) 39–48.Google Scholar
  80. [80]
    Fujino, K. ‘Electrical properties of sea ice’. In: H. Oura, ed. Physics of Snow and Ice: Proc. Int. Conf on Low Temperature Science, 1966, Vol. 1, Part 1, Institute of Low Temperature Science, Hokkaido University, Sapporo, 1967, pp. 633–648.Google Scholar
  81. [81]
    Gassett, R.M. et al. ‘Bottom topography and gravity, Dome C, Antarctica’ (abstract). Presented at AGU Mid-west Meeting, DeKalb, 18–19 September 1980.Google Scholar
  82. [82]
    Glen, J.W., Paren, J.G. ‘The electrical properties of snow and ice’. J. Glaciol., 1975, 15 (73) 15–38.Google Scholar
  83. [83]
    Goodman, R.H. ‘Time-dependent intraglacier structures’. J. Glaciol., 1973, 12 (66) 512–513.Google Scholar
  84. [84]
    Goodman, R.H. ‘Radio echo sounding on temperate glaciers’. J. Glaciol., 1975, 14 (70) 57–69.Google Scholar
  85. [85]
    Goodman, R.H. et al. ‘Radio soundings on Trapridge Glacier, Yukon Territory, Canada’. J. Glaciol., 1975, 14 (70) 79–84.Google Scholar
  86. [86]
    Goodman, R.H., Terroux, A.C.D. ‘Use of radio echo sounder techniques in the study of glacial hydrology’. IASH Pub., No. 95 (Proc. Symp. on the Hydrology of Glaciers, Cambridge, 7–13 Sept. 1969), 1973, p. 149.Google Scholar
  87. [87]
    Gow, A.J., Ueda, H.T., Garfield, D.E. ‘Antarctic ice sheet: preliminary results of first core hole to bedrock’. Science, 1968, 161 (3845) 1011–1013.CrossRefGoogle Scholar
  88. [88]
    Gudmandsen, P. ‘Notes on radar sounding of the Greenland ice sheet’. In Gudmandsen, P., ed., Proc. Int. Meeting on Radioglaciology, Lyngby, May, 1970. Lungby, Tech. Univ. of Denmark, Lab. for Electromagnetic Theory, 1970, pp. 124–133.Google Scholar
  89. [89]
    Gudmandsen, P. ‘Layer echoes in polar ice sheets’. J. Glaciol., 1975, 15 (73) 95–101.Google Scholar
  90. [90]
    Gudmandsen, P., Overgaard, S. ‘Establishment of time horizons in polar ice sheets by means of radio echo sounding’. Lyngby, Electromagnetics Inst., Tech. Univ. of Denmark, 1978, No. R312.Google Scholar
  91. [91]
    Hammer, C.U. ‘Past volcanism revealed by Greenland ice sheet inpurities’. Nature, 1977, 270 (5637) 482–486.CrossRefGoogle Scholar
  92. [92]
    Hammer, C.U. ‘Acidity of polar ice cores in relation to absolute dating, past volcanism and radio echoes’. J. Glaciol., 1980, 25 (93) 359–372.Google Scholar
  93. [93]
    Hargreaves, N.D. ‘The polarization of radio signals in the radio echo sounding of ice sheets’. J. Physics, Ser. D: Applied Physics, 1977, 10, 1285–1305.CrossRefGoogle Scholar
  94. [94]
    Hargreaves, N.D. ‘Radio echo studies of the dielectric properties of ice sheets’. Ph.D. Thesis, University of Cambridge, 1977.Google Scholar
  95. [95]
    Hargreaves, N.D. ‘The radio-frequency birefringence of polar ice’. J. Glaciol., 1978, 21 (85) 301–313.Google Scholar
  96. [96]
    Harrison, C.H. ‘Reconstruction of subglacial relief from radio echo sounding records’. Geophysics, 1970, 35 (6) 1099–1115.CrossRefGoogle Scholar
  97. [97]
    Harrison, C.H. ‘Radio echo sounding: focusing effects in wavy strata’. Geophys. J., Roy. Astron. Soc., 1971, 24 383–400.Google Scholar
  98. [98]
    Harrison, C.H. ‘Radio echo records cannot be used as evidence for convection in the Antarctic ice sheet’. Nature, 1971, 173 (3992) 166–167.Google Scholar
  99. [99]
    Harrison, C.H. ‘Radio propagation effects in glaciers’. Ph.D. Thesis, Univ. of Cambridge, 1972.Google Scholar
  100. [100]
    Harrison, C.H. ‘Radio echo sounding of horizontal layers in ice’. J. Glaciol., 1973, 12 (66) 383–397.Google Scholar
  101. [101]
    Hattersley-Smith, G. ‘Results of radio echo sounding in northern Ellesmere Land, 1966’. Geograph. J., 1969, 135 (4) 553–557.CrossRefGoogle Scholar
  102. [102]
    Hattersley-Smith, G., Fuzesy, A., Evans, S. ‘Operation Tanquary. Glacier depths in northern Ellesmere Island: airborne radio echo sounding in 1966’. Defense Research Board, Tech. Note 69 - 6, December 1969.Google Scholar
  103. [103]
    Heine, A.J. ‘Brine in the McMurdo ice shelf, Antarctica’. New Zealand J. Geol. and Geophys., 1968, 11 (4) 829–839.Google Scholar
  104. [104]
    Hermance, J.F. ‘Application of electromagnetic surface waves to the study of the dielectric properties of glacier ice in situ’. In: P. Gudmandsen, ed., Proc. Int. Meeting on Radioglaciology, Lyngby, May, 1970, Tech. Univ. of Denmark, Lab. of Electromagnetic Theory, Lyngby, 1970, pp. 84–87.Google Scholar
  105. [105]
    Hermance, J.F., Strangway, D.W. ‘In situ dielectric properties of glacier ice using surface wave interference methods’. Brown University Geophysical Laboratory, Rep. 71–1, 1971.Google Scholar
  106. [106]
    Jankowski, E.J., Drewry, D.J. ‘The structure of West Antarctica from geophysical studies’. Nature, 1981, 291 (5810) 17–21.CrossRefGoogle Scholar
  107. [107]
    Jezek, K.C. ‘Radar investigations of the Ross ice shelf, Antarctica.’ Ph.D. Thesis, Geophys. and Polar Res. Center, Univ. of Wisconsin-Madison, 1980, 204 pp.Google Scholar
  108. [108]
    Jezek, K.C., Bentley, C.R., Clough, J.W. ‘Electromagnetic sounding of bottom crevasses on the [108] Ross ice shelf’. J. Glaciol., 1979, 24 (90) 321–330.Google Scholar
  109. [109]
    Jezek, K.C., Clough, J.W., Bentley, C.R., Shabtaie, S. ‘Dielectric permittivity of glacier ice measured in situ by radar wide-angle reflection’. J. Glaciol., 1978, 21 (85) 315–329.Google Scholar
  110. [110]
    Jiracek, G.R. ‘Radio sounding of Antarctic ice’. Geophys. and Polar Res. Center, Univ. of Wisconsin-Madison, Res. Rep. 67–1, 1967.Google Scholar
  111. [111]
    Jiracek, G.R., Bentley, C.R. ‘Velocity of electromagnetic waves in Antarctic ice’. In: A.P. Crary, ed., Antarctic Snow and Ice Studies II, American Geophys. Union, Antarctic Res. Ser., 1971, Vol. 16, pp. 199–208.CrossRefGoogle Scholar
  112. [112]
    Johari, G.P., Charette, P. A. ‘The permittivity and attenuation in polycrystalline and single-crystal ice lh at 35 and 60MHz’. J. Glaciol., 1975, 14 (71) 293–303.Google Scholar
  113. [113]
    Jones, S.J. ‘Radio depth sounding on Meighen and Barnes ice caps, Arctic.Canada’. Canada, Department of the Environment, Inland Waters Directorate, Scientific Series No. 25, 1973.Google Scholar
  114. [114]
    Keeler, C.M. ‘Some physical properties of alpine snow’. U.S. Cold Regions Res. and Eng. Lab., Res. Rep. 271, 1969, 70 pp.Google Scholar
  115. [115]
    Koerner, R.M. ‘Ice thickness measurements and their implications with respect to past and present ice volumes in the Canadian high Arctic ice caps’. Can. J. Earth Sci., 1977, 14, 2697–2705.CrossRefGoogle Scholar
  116. [ 116]
    Kovacs, A. ‘Radio echo sounding in the Allen Hills, Antarctica, in support of the meteorite field program’. CRREL Spec. Rep. 80–23, 1980, 9 pp.Google Scholar
  117. [117]
    Kovacs, A., Abele, G. ‘Crevasse detection using an impulse radar system’. Antarctic J. U.S., 1974, 9 (4) 177–178.Google Scholar
  118. [118]
    Kovacs, A., Gow, A.J. ‘Brine infiltration in the McMurdo ice shelf, McMurdo Sound, Antarctica’. J. Geophys. Res., 1975, 80 (15) 1957–1961.CrossRefGoogle Scholar
  119. [119]
    Kovacs, A., Gow, A. J. ‘Subsurface measurements of the Ross ice shelf, McMurdo Sound, Antarctica.’ Antarctic J. U.S., 1977, 12 (4) 146–148.Google Scholar
  120. [120]
    Kovacs, A., Morey, R.M. ‘Radar anisotropy of sea ice due to preferred azimuthal orientation of the horizontal c-axis of ice crystals’. J. Geophys. Res., 1978, 83 (12) 6037–6046.CrossRefGoogle Scholar
  121. [121]
    Kovacs, A., Morey, R.M. ‘Investigations of sea ice anisotropy, electromagnetic properties, strength, and under-ice current orientation’. CRREL Rep. 80–20, 1980, 18 pp.Google Scholar
  122. [122]
    Kuroiwa, D. ‘The dielectric property of snow’. Union Geodes. et Geophys. Intern., Assoc. Intern. d’Hydrologie Sci., Proc. Assemblee Generate de Rome, 1954, 1956, Vol. 4, pp. 52–63.Google Scholar
  123. [123]
    Kuroiwa, D. ‘Electrical properties of snow’. In: The Physics and Mechanics of Snow as a Material, U.S. Cold. Regions Res. and Eng. Lab., Cold Regions Sci. and Eng., 1962, Part 2, Section B, pp. 63–79.Google Scholar
  124. [124]
    Mae, S. ‘Bedrock topography deduced from multiple radar echoes observed on the Mizuho Plateau, East Antarctica.’ Antarctic Record, 1978, No. 61, pp. 23–31.Google Scholar
  125. [125]
    Maeno, N. ‘Measurements of surface and volume conductivities of single ice crystals’. In: E. Whalley et al., eds., Physics and Chemistry of Ice: Proc. Symp. on the Physics and Chemistry of Ice, Ottawa, Canada, 14–18 August 1972, Royal Society of Canada, Ottawa, 1973, pp. 140–143.Google Scholar
  126. [126]
    Maeno, N. ‘Investigations of electrical properties of deep ice cores obtained by drilling in Antarctica’. In: Physical and Chemical Studies on Ices from Glaciers and Ice Sheets, Monbusho Kagaku Kenpi Sogo Kenkyu (A.), Hokukusho, 1974, pp. 45–56.Google Scholar
  127. [127]
    Millar, D.H.H. ‘Radio echo layering in polar ice sheets and past volcanic activity’. Nature, 1981, 292 (5822) 441–443.CrossRefGoogle Scholar
  128. [128]
    Morgan, V.I., Budd, W.F. ‘Radio echo sounding of the Lambert Glacier basin’. J. Glaciol., 1975, 15 (73) 103–111.Google Scholar
  129. [129]
    Neal, C.S. ‘The dynamics of the Ross ice shelf revealed by radio echo sounding’. J. Glaciol., 1979, 24 (90) 295–307.Google Scholar
  130. [130]
    Nye, J.F. ‘The distribution of stress and velocity in glaciers and ice sheets’. Proc. Roy. Soc. London, Ser. A, 1957, 239, 113–133.CrossRefGoogle Scholar
  131. [131]
    Nye, J.F. ‘Deducing thickness changes of an ice sheet from radio echo and other measurements’. J. Glaciol., 1975, 14 (70) 49–56.Google Scholar
  132. [132]
    Nye, J.F., Berry, M.V., Walford, M.E.R. ‘Measuring the change in thickness of the Antarctic ice sheet’. Nature Phys. Sci., 1972, 240, 7–9.Google Scholar
  133. [133]
    Nye, J.F., Kyte, R.G., Threlfall, D.C. ‘Proposal for measuring the movement of a large ice sheet by observing radio echoes’. J. Glaciol., 1972, 11 (63) 319–325.Google Scholar
  134. [134]
    Oswald, G.K.A. ‘Investigation of the sub–ice bedrock characteristics by radio echo sounding’. J. Glaciol., 1975, 15 (73) 75–87.Google Scholar
  135. [135]
    Oswald, G.K.A., Robin, G. de Q. ‘Lakes beneath the Antarctic ice sheet’. Nature, 1973, 245 (5423) 251–254.CrossRefGoogle Scholar
  136. [136]
    Overgaard, S. ‘Dielectric measurements on ice core samples’. Lyngby, Electromagnetics Institute, Tech. Univ. of Denmark., 1981, Report R–86.Google Scholar
  137. [137]
    Paren, J.G. ‘The electrical behavior of polar glaciers’. In: Whalley, E., Jones, S.J., Gold, L.W., eds., Physics and Chemistry of Ice: Proc. Symp. on the Physics and Chemistry of Ice, Ottawa, Canada, 14–18 August 1972, Royal Soc. Canada, Ottawa, 1973, pp. 262–267.Google Scholar
  138. [138]
    Paren, J.G., Robin, G. de Q. ‘Internal reflections in polar ice sheets’. J. Glaciol., 1975, 14 (71) 251–259.Google Scholar
  139. [139]
    Paren, J.G., Glen, J.W. ‘Electrical behavior of finely divided ice’. J. Glaciol., 1978, 21 (85) 173–189.Google Scholar
  140. [140]
    Paterson, W.S.B. ‘Temperature measurements in Athabasca Glacier, Alberta, Canada’. J. Glaciol., 1971, 10 (60) 339–349.Google Scholar
  141. [141]
    Paterson, W.S.B. ‘Temperature distribution in the upper layers of the ablation area of Athabasca Glacier, Alberta, Canada’. J. Glaciol., 1972, 11 (61) 31–41.Google Scholar
  142. [142]
    Paterson, W.S.B., Koerner, R.M. ‘Radio echo sounding on four ice caps in Arctic Canada’. Arctic, 1974, 27, 225–233.Google Scholar
  143. [143]
    Pearce, D.C., Walker, J.W. ‘An empirical determination of the relative dielectric constant of the Greenland ice cap’. J. Geophys. Res., 1967, 72 (22) 5743–5747.CrossRefGoogle Scholar
  144. [144]
    Peden, I.C., Rogers, J.C. ‘An experiment for determining the VLF permittivity of deep Antarctic ice’. IEEE Trans. Geoscience Electron., 1971, GE-9 (4) 224–233.CrossRefGoogle Scholar
  145. [145]
    Peden, I.C., Webber, G.E., Chandler, A.S. ‘Complex permittivity of the Antarctic ice sheet in the VLF band’. Radio Science, 1972, 7 (6) 645–650.CrossRefGoogle Scholar
  146. [146]
    Robertson, J.D. ‘Geophysical studies on the Rose ice shelf, Antarctica’, Ph.D. Thesis, Geophys. and Polar Res. Center, Univ. of Wisconsin-Madison, Wisconsin, 1975, 214 pp.Google Scholar
  147. [147]
    Robin, G. de O. ‘Seismic shooting and related investigations’. In: Norwegian-British-Swedish Antarctic Exp., 1949–52, Sci. Results 5, Glaciology 3, Norsk Polarinstitutt, Oslo University Press, 1958.Google Scholar
  148. [148]
    Robin, G. de Q. ‘Surface topography of ice sheets’. Nature, 1967, 215, 1029–1032.CrossRefGoogle Scholar
  149. [149]
    Robin, G. de O. ‘Radio echo sounding applied to the investigation of the ice thickness and sub-ice relief of Antarctica’. In: J. Adie, ed., Antarctic Geology and Geophysics, Oslo, Universitetsforlaget, 1971, pp. 675–682.Google Scholar
  150. [150]
    Robin, G. de Q. ‘Radio echo sounding: glaciological interpretations and applications’. J. Glaciol., 1975, 15 (73) 49–64.Google Scholar
  151. [151]
    Robin, G. de Q ‘Velocity of radio waves in ice by means of a borehole interferometric technique’. J. Glaciol., 1975, 15 (73) 151–160.Google Scholar
  152. [152]
    Robin, G. de Q, Drewry, D.J., Meldrum, D.T. ‘International studies of ice sheet and bedrock’. Phil. Trans. Roy. Soc. London, 1977, Ser. B., 279, 185–196.CrossRefGoogle Scholar
  153. [153]
    Robin, G. de Q., Evans, S., Bailey, J.T. ‘Interpretation of radio echo sounding in polar ice sheets’. Phil. Trans. Roy. Soc. London, 1969, Ser. A, 265 (116) 437–505.CrossRefGoogle Scholar
  154. [154]
    Robin, G. de Q. et al. ‘Radio echo sounding of the Antarctic ice sheet’. Antarctic J. U.S., 1970, 5 (6) 229–232.Google Scholar
  155. [155]
    Robin, G. de Q., Swithinbank, C.W.M., Smith, B.M.E. ‘Radio echo exploration of the Antarctic ice sheet’. In: Gow, A.J., Keller, C., Langway, C.C., Weeks, W.F., eds., ISAGE Symposium, IASH Pub. No. 86, 1970, pp. 97–115.Google Scholar
  156. [156]
    Rogers, J.C., Peden, I.C. ‘VLF electrical properties of the ice sheet measured at Byrd Station’. Antarctic J. U.S., 1973, 8 (5) 241–243.Google Scholar
  157. [157]
    Rose, K.E. ‘Radio echo studies of bedrock in Marie Byrd Land, Antarctica’. In: C. Craddock, ed., Antarctic Geoscience, Univ. of Wisconsin Press, 1982, pp. 985–992.Google Scholar
  158. [158]
    Rose, K.E. ‘Characteristics of ice flow in Marie Byrd Land, Antarctica’. J. Glaciol., 1979, 24 (90) 63–75.Google Scholar
  159. [159]
    Schaefer, T.G. ‘Radio echo sounding in western Dronning Maud Land, 1971—a preview’. South African J. Antarctic Res., 1972, (2) 53–56.Google Scholar
  160. [160]
    Schaefer, T.G. ‘Radio echo sounding in western Dronning Maud Land, 1971’. South African J. Antarctic Res., 1973 (3) 45–52.Google Scholar
  161. [161]
    Schytt, V. Glaciology II. The Inner Structure of the Ice Shelf at Maudhein as shown by Core Drilling, Norwegian-British-Swedish Antarctic Expedition, 1949–52, Sci. Results, 1958, Vol. 4.Google Scholar
  162. [162]
    Shabtaie, S. et al. ‘Dome C geophysical survey, 1979–80’. Antarctic J. U.S., 1980, 15 (5) 2–5.Google Scholar
  163. [163]
    Smith, B.M.E. ‘Airborne radio echo sounding of glaciers in the Antarctic Peninsula’. British Antarctic Survey Scientific Report, 1972, No. 72.Google Scholar
  164. [164]
    Smith, B.M.E., Evans, S. ‘Radio echo sounding: absorption and scattering by water inclusion and ice lenses’. J. Glaciol., 1972, 11 (61) 133–146.Google Scholar
  165. [165]
    Steed, R.H.N., Drewry, D.J. ‘Radio echo sounding investigations of Wilkes Land, Antarctica’, In: C. Craddock, ed., Antarctic Geoscience, Univ. of Wisconsin Press, 1982, pp. 969–975.Google Scholar
  166. [166]
    Strangway, D.W. et al. ‘Radio-frequency interferometry—a new technique for studying glaciers’. J. Glaciol., 1974, 13 (67) 123–132.Google Scholar
  167. [167]
    Swithinbank, C.W.M. ‘Radio echo sounding of Antarctic glaciers from light aircraft’. Proc. IUGG/IASH General Assembly of Berne, 1967. Commission of Snow and Ice, IASH Pub. No. 79, 1968, pp. 405–414.Google Scholar
  168. [168]
    Swithinbank, C.W.M. Tee movement in the McMurdo Sound area of Antarctica’. Proc. ISAGE Symposium, 3–7 September 1968, Hanover, NH, U.S.A., IASH Pub. No. 86, 1970, pp. 472–487.Google Scholar
  169. [169]
    Swithinbank, C.W.M. ‘Glaciological research in the Antarctic Peninsula’. Phil. Trans. Roy. Soc. London, Series B., 1977, 279, 161–183.CrossRefGoogle Scholar
  170. [170]
    Thomas, R.H. ‘The distribution of 10m temperatures on the Ross ice shelf’. J. Glaciol., 1976, 16 (74) 111–117.Google Scholar
  171. [171]
    Traub, L.T., Gribbon, P.W.F. ‘The activation energies of temperate snow samples’. J. Glaciol., 1978, 21 (85) 331–339.Google Scholar
  172. [172]
    Tupper, W.A., Waddington, E.D., Ricker, K.E. ‘Wedgemount Lake and Glacier studies, Northern Garibaldi Park, 1977’. Canadian Alpine J., 1978, 61, 69–70.Google Scholar
  173. [173]
    Van Autenboer, T., Decleir, H. ‘Airborne radio glaciological investigations during the 1969 Belgian Antarctic Expedition’. Bull. Soc. Beige de Geologie, de Paleontologie et de Hydrologie, 1969, 78 (2) 87–100.Google Scholar
  174. [174]
    Van Autenboer, T., Decleir, H. ‘Ice thickness and subglacial relief of the Jelbartisen-Trolltunga area, Dronning Maud Land’. In: Adie R.J., ed., Antarctic Geology and Geophysics, Oslo, Universitetsforlaget, 1971, pp. 713–722.Google Scholar
  175. [175]
    Van Zyl, R.B. ‘Radio echo sounding in western Dronning Maud Land, 1972’. South African J. Antarctic Res., 1973, (3) 53–59.Google Scholar
  176. [176]
    Von Hippel, A.R., Mykolajewycz, R., Runck, A.H., Westphal, W.B. ‘Dielectric and mechanical response of ice lh single crystals and its interpretation’. J. Chem. Physics, 1972, 57 (6) 2560–2571.CrossRefGoogle Scholar
  177. [177]
    Waddington, E.D., Jones, D.P. ‘A radio echo ice thickness survey of Columbia icefield’. Canadian Alpine J., 1978, 61, p. 73.Google Scholar
  178. [178]
    Waite, A.H. ‘Ice depth soundings with ultra-high frequency radio waves in the Arctic and Antarctic, and some observed over-ice altimeter errors’. U.S. Army Signal Res. and Dev. Lab., Tech. Rep. 2092, 1959.Google Scholar
  179. [179]
    Waite, A.H. ‘Ice depth sounding by airborne radar’. Paper presented at the Symposium on the Variations of the Regime of Existing Glaciers, Obergurgl, Austria, 1962.Google Scholar
  180. [180]
    Waite, A.H. ‘International experiments in glacier sounding, 1963 and 1964’. Can. J. Earth Sci., 1966, 3 (6) 887–892.CrossRefGoogle Scholar
  181. [181]
    Waite, A.H., Schmidt, S.J. ‘Gross errors in height indication from pulsed radar altimeters operating over thick ice or snow’. Convention Record of the Inst, of Radio Eng., March 1961, Part V, pp. 38–54.Google Scholar
  182. [182]
    Walford, M.E.R. ‘Radio echo sounding through an ice shelf’. Nature, 1964, 204 (4956) 317–319.CrossRefGoogle Scholar
  183. [183]
    Walford, M.E.R. ‘Glacier movement measured with a radio echo technique’. Nature, 1972, 239, 93–95.CrossRefGoogle Scholar
  184. [184]
    Walford, M.E.R., Holdorf, P.C., Oakberg, R.G. ‘Phase-sensitive radio echo sounding at the Devon Island ice cap, Canada’. J. Glaciol., 1977, 18 (79) 217–229.Google Scholar
  185. [185]
    Watt, A.D., Maxwell, E.L. ‘Measured electrical properties of snow and glacial ice’. J. Res. Nat. Bureau of Standards (Washington, D.C.), 1960, Section D, 64 (4) 357–363.Google Scholar
  186. [186]
    Watts, R.D., England, A.W. ‘Radio echo sounding of temperate glaciers: ice properties and sounder design criteria’. J. Glaciol., 1976, 17 (75) 39–48.Google Scholar
  187. [187]
    Weber, J.R., Andrieux, P. ‘Radar sounding on the Penney ice cap, Baffin Island’. J. Glaciol., 1970, 9 (55) 49–54.Google Scholar
  188. [188]
    Webber, G.E., Peden, I.C. ‘VLF ground-based measurements in Antarctica: their relationship to stratifications in the subsurface terrain’. Radio Science, 1970, 5 (4) 655–662.CrossRefGoogle Scholar
  189. [189]
    Weeks, W.F., Gow, A.J. ‘Crystal alignments in the fast ice of Arctic Alaska’. J. Geophys. Res., 1980, 85 (C2) 1137–1146.CrossRefGoogle Scholar
  190. [190]
    Weertman, J. ‘Can a water-filled crevasse reach the bottom surface of a glacier?’ I ASH Pub. No. 95 (Proc. Symp. on the Hydrology of Glaciers, Cambridge, 7–13 September 1969), 1973, pp. 139–145.Google Scholar
  191. [191]
    Whillans, I.M. ‘Radio echo layers and the recent stability of the West Antarctic ice sheet’. Nature, 1976, 264 (11) 152–155.CrossRefGoogle Scholar
  192. [192]
    Whillans, I.M. ‘The equation of continuity and its application to the ice sheet near Byrd Station, Antarctica’. J. Glaciol., 1977, 18 (80) 359–371.Google Scholar
  193. [193]
    Whillans, I.M. ‘Ice flow along the Byrd Station strain network, Antarctica’. J. Glaciol., 1979, 24 (90) 15–28.Google Scholar
  194. [194]
    Wyeth, R.B. ‘The physiography and significance of the transition zone between Graham Land and Palmer Land’. British Antarctic Survey Bull., 1977, No. 46, pp. 39–58.Google Scholar
  195. [195]
    Yoshino, T., Eto, T. ‘Radio echo sounding of Antarctic ice’. In: Murayama, M., ed., Report of the Japanese Traverse Syowa-South Pole 1968–69, Japan. Antarctic Res. Exp., Sci. Rep. Spec. Issue, 1971, No. 2, pp. 125–130.Google Scholar
  196. [196]
    Young, N.W. ‘Measured velocities of interior East Antarctica and the state of mass balance within the IAGP area’. J. Glaciol., 1979, 24 (90) 77–87.Google Scholar
  197. [197]
    Macheret, Yu Ya., Luchininov, V.S. ‘Interpretation of results of a surface radar survey of temperate mountain glaciers’. Materialy Glyatsiologicheskikh Issledovanii. Khronika Obsuzhdeniya, 1973, 22 45–56.Google Scholar
  198. [198]
    Drewry, D.J. ‘Radio echo sounding map of Antarctica (~90°E–180°)’ Polar Record, 1975, 17 (109) 359–374.CrossRefGoogle Scholar
  199. [199]
    Robin, G. de Q. ‘Ice shelves and ice flow’. Nature, 1975, 253 (5488) 168–172.CrossRefGoogle Scholar
  200. [200]
    Jezek, K.C., and Roeloffs, E.A. ‘Measurements of radar wave speeds in polar glaciers using a down-hole radar target technique’. Cold Regions Science and Technology, 1983, 8 199–208.CrossRefGoogle Scholar
  201. [201]
    Paren, J.G. ‘Dielectric properties of ice’. Ph.D. Thesis, University of Cambridge, 1970.Google Scholar
  202. [202]
    Camp, P.R., Kiszenick, W., Arnold, D. ‘Electrical conduction in ice’. In Riehl, N. et al., eds. Physics of Ice. New York, 1969, Plenum Press, 256–61.Google Scholar
  203. [203]
    Clough, J.W. ‘Electromagnetic lateral waves observed by earth-sounding radars’. Geophysics, 1976, 15 (6a) 1126–1132.CrossRefGoogle Scholar
  204. [204]
    Clough, J.W., Bentley, C.R. ‘Electromagnetic sounding at Byrd Station’. Antarctic J. U.S., 1970, 5 (4) 110.Google Scholar
  205. [205]
    Bogorodsky, V.V., Trepov, G.V., Fedorov, B.A. ‘On measuring dielectric properties of glaciers in the field’. In P. Gudmandsen, ed., Proceedings of The International Meeting on Radioglaciology, Lyngby, May 1970; Technical University of Denmark, Laboratory of Electromagnetic Theory, 1970, 20–31.Google Scholar

Copyright information

© D. Reidel Publishing Company, Dordrecht, Holland 1985

Authors and Affiliations

  • V. V. Bogorodsky
    • 1
  • C. R. Bentley
    • 2
  • P. E. Gudmandsen
    • 3
  1. 1.Arctic and Antarctic Scientific Research InstituteLeningradUSSR
  2. 2.Geophysical and Polar Research CenterUniversity of Wisconsin-MadisonUSA
  3. 3.Technical University of DenmarkCopenhagenDenmark

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