Revealing the nature of radar reflections in ice: DEP-based FDTD forward modeling
Successful simulation of ground penetrating radar (GPR) traces in polar ice is achieved bynumerical finite-difference time-domain (FDTD) forward modeling.Properties of the modeled medium are taken from high resolution dielectric profiling (DEP)of the upper 100~m of an ice core from Dronning Maud Lan...
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ftawi:oai:epic.awi.de:5795 2023-09-05T13:13:03+02:00 Revealing the nature of radar reflections in ice: DEP-based FDTD forward modeling Eisen, Olaf Wilhelms, Frank Nixdorf, Uwe Miller, Heinrich 2003 application/pdf https://epic.awi.de/id/eprint/5795/ https://epic.awi.de/id/eprint/5795/1/Eis2003a.pdf https://doi.org/10.1029/2002GL016403 https://hdl.handle.net/10013/epic.16357 https://hdl.handle.net/10013/epic.16357.d001 unknown https://epic.awi.de/id/eprint/5795/1/Eis2003a.pdf https://hdl.handle.net/10013/epic.16357.d001 Eisen, O. orcid:0000-0002-6380-962X , Wilhelms, F. orcid:0000-0001-7688-3135 , Nixdorf, U. and Miller, H. (2003) Revealing the nature of radar reflections in ice: DEP-based FDTD forward modeling , Geophysical Research Letters, Vol. 30, No. 5 . doi:10.1029/2002GL016403 <https://doi.org/10.1029/2002GL016403> , hdl:10013/epic.16357 EPIC3Geophysical Research Letters, Vol. 30, No. 5, 1218 p., ISSN: 0094-8276 Article isiRev 2003 ftawi https://doi.org/10.1029/2002GL016403 2023-08-22T19:45:41Z Successful simulation of ground penetrating radar (GPR) traces in polar ice is achieved bynumerical finite-difference time-domain (FDTD) forward modeling.Properties of the modeled medium are taken from high resolution dielectric profiling (DEP)of the upper 100~m of an ice core from Dronning Maud Land, Antarctica.The GPR reference trace is calculated from stacking of a normal moveout correctedcommon-midpoint survey, carried out near the borehole location.The excellent agreement of synthetic and GPR-based results demonstrates the capability ofFDTD models to reproduce radargrams from ice core properties forinterpretation of radio echo sounding data, and emphasizes the exploitation of radar datafor improved interpretations of glaciological climate proxys.In addition to the presentation of modeling results, we perform sensitivity experiments toinvestigate the nature and origin of radar reflection in ice,discuss reasons for the failure of modeling studies in the past, and indicate new approaches. Article in Journal/Newspaper Antarc* Dronning Maud Land ice core Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) Dronning Maud Land Geophysical Research Letters 30 5 n/a n/a |
institution |
Open Polar |
collection |
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) |
op_collection_id |
ftawi |
language |
unknown |
description |
Successful simulation of ground penetrating radar (GPR) traces in polar ice is achieved bynumerical finite-difference time-domain (FDTD) forward modeling.Properties of the modeled medium are taken from high resolution dielectric profiling (DEP)of the upper 100~m of an ice core from Dronning Maud Land, Antarctica.The GPR reference trace is calculated from stacking of a normal moveout correctedcommon-midpoint survey, carried out near the borehole location.The excellent agreement of synthetic and GPR-based results demonstrates the capability ofFDTD models to reproduce radargrams from ice core properties forinterpretation of radio echo sounding data, and emphasizes the exploitation of radar datafor improved interpretations of glaciological climate proxys.In addition to the presentation of modeling results, we perform sensitivity experiments toinvestigate the nature and origin of radar reflection in ice,discuss reasons for the failure of modeling studies in the past, and indicate new approaches. |
format |
Article in Journal/Newspaper |
author |
Eisen, Olaf Wilhelms, Frank Nixdorf, Uwe Miller, Heinrich |
spellingShingle |
Eisen, Olaf Wilhelms, Frank Nixdorf, Uwe Miller, Heinrich Revealing the nature of radar reflections in ice: DEP-based FDTD forward modeling |
author_facet |
Eisen, Olaf Wilhelms, Frank Nixdorf, Uwe Miller, Heinrich |
author_sort |
Eisen, Olaf |
title |
Revealing the nature of radar reflections in ice: DEP-based FDTD forward modeling |
title_short |
Revealing the nature of radar reflections in ice: DEP-based FDTD forward modeling |
title_full |
Revealing the nature of radar reflections in ice: DEP-based FDTD forward modeling |
title_fullStr |
Revealing the nature of radar reflections in ice: DEP-based FDTD forward modeling |
title_full_unstemmed |
Revealing the nature of radar reflections in ice: DEP-based FDTD forward modeling |
title_sort |
revealing the nature of radar reflections in ice: dep-based fdtd forward modeling |
publishDate |
2003 |
url |
https://epic.awi.de/id/eprint/5795/ https://epic.awi.de/id/eprint/5795/1/Eis2003a.pdf https://doi.org/10.1029/2002GL016403 https://hdl.handle.net/10013/epic.16357 https://hdl.handle.net/10013/epic.16357.d001 |
geographic |
Dronning Maud Land |
geographic_facet |
Dronning Maud Land |
genre |
Antarc* Dronning Maud Land ice core |
genre_facet |
Antarc* Dronning Maud Land ice core |
op_source |
EPIC3Geophysical Research Letters, Vol. 30, No. 5, 1218 p., ISSN: 0094-8276 |
op_relation |
https://epic.awi.de/id/eprint/5795/1/Eis2003a.pdf https://hdl.handle.net/10013/epic.16357.d001 Eisen, O. orcid:0000-0002-6380-962X , Wilhelms, F. orcid:0000-0001-7688-3135 , Nixdorf, U. and Miller, H. (2003) Revealing the nature of radar reflections in ice: DEP-based FDTD forward modeling , Geophysical Research Letters, Vol. 30, No. 5 . doi:10.1029/2002GL016403 <https://doi.org/10.1029/2002GL016403> , hdl:10013/epic.16357 |
op_doi |
https://doi.org/10.1029/2002GL016403 |
container_title |
Geophysical Research Letters |
container_volume |
30 |
container_issue |
5 |
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n/a |
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n/a |
_version_ |
1776203139077111808 |