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Potentialities of ultrawideband GPR in low-resistivity geoenvironments : сборник научных трудов

Описание

Тип публикации: статья из журнала

Год издания: 2018

Идентификатор DOI: 10.1016/j.rgg.2018.01.017

Ключевые слова: UWB, ultrawideband GPR, electrical resistivity tomography, Quaternary clay deposits

Аннотация: We assess the potentialities of ultrawideband (UWB) electromagnetic pulse sounding of low-resistivity geoenvironments using the ground-penetrating radar (GPR) system developed by us and compare the obtained results with 2D electrical resistivity tomography and standard GPR data. The research was performed in an area of Quaternary cПоказать полностьюlay deposits with a resistivity of 20-50 Ohm.m. For an OKO-2 GPR antenna with a center frequency of 150 MHz, the sounding depth is 2-4 m, whereas UWB sounding provides penetration of the GPR pulse to a depth of 30-40 m. Deep UWB sounding of low-resistivity environments is possible under the following conditions: use of generators based on drift step recovery diodes (DSRDs), high matching of the UWB receiving and transmitting antennas to the environment, and an increase in the noise immunity of the recording system, in particular, due to a decrease in the intensity of air waves. (c) 2018, V.S. Sobolev IGM, Siberian Branch of the RAS. Published by Elsevier B.V. All rights reserved.

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Издание

Журнал: RUSSIAN GEOLOGY AND GEOPHYSICS

Выпуск журнала: Vol. 59, Is. 2

Номера страниц: 206-215

ISSN журнала: 10687971

Место издания: AMSTERDAM

Издатель: ELSEVIER SCIENCE BV

Персоны

  • Cheremisin A.A. (Siberian Fed Univ, Pr Svobodnyi 79-10, Krasnoyarsk 660041, Russia; Irkutsk State Univ Railways, Krasnoyarsk Inst Railway Transport, Ul Lado Ketskhoveli 89, Krasnoyarsk 660028, Russia)
  • Vasil'ev Yu. V. (Irkutsk State Univ Railways, Krasnoyarsk Inst Railway Transport, Ul Lado Ketskhoveli 89, Krasnoyarsk 660028, Russia)
  • Olenchenko V.V. (Russian Acad Sci, AA Trofimuk Inst Petr Geol & Geophys, Siberian Branch, Pr Akad Koptyuga 3, Novosibirsk 630090, Russia; Novosibirsk State Univ, Ul Pirogova 2, Novosibirsk 630090, Russia)
  • Epov M.I. (Russian Acad Sci, AA Trofimuk Inst Petr Geol & Geophys, Siberian Branch, Pr Akad Koptyuga 3, Novosibirsk 630090, Russia; Novosibirsk State Univ, Ul Pirogova 2, Novosibirsk 630090, Russia)
  • Toib R.E. (GeoTekhMonitoring, Ul Baumana 3, Krasnoyarsk 660028, Russia)
  • Shnipov I.S. (GeoTekhMonitoring, Ul Baumana 3, Krasnoyarsk 660028, Russia)
  • Shirokov S.V. (GeoTekhMonitoring, Ul Baumana 3, Krasnoyarsk 660028, Russia)
  • Boltintsev V.B. (Geodizond, Pr Gagarina 14, St Petersburg 196211, Russia)

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