Dispersion inversion of electromagnetic pulse propagation within freezing and thawing soil waveguides
Freeze and thaw processes are important components in characterizing glacial, periglacial and frozen ground environments, and hence the response of cryospheric regions to climate change. High‐frequency ground‐penetrating radar is particularly well suited for monitoring the freezing and thawing proce...
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| Veröffentlicht in: | Geophysical research letters 2009-09, Vol.36 (18), p.np-n/a |
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| creator | van der Kruk, J. Steelman, C. M. Endres, A. L. Vereecken, H. |
| description | Freeze and thaw processes are important components in characterizing glacial, periglacial and frozen ground environments, and hence the response of cryospheric regions to climate change. High‐frequency ground‐penetrating radar is particularly well suited for monitoring the freezing and thawing processes within the shallow subsurface (i.e., < 1 m depth) due to its non‐invasive nature and its sensitivity to the liquid water component in soil. The freezing of moist soil and thawing of frozen soil induce leaky and low‐velocity waveguides, respectively. Within these waveguide layers, the internally reflected radar energy produces interfering multiples that appear as a package of dispersed waves. Here, we present a new method for characterizing very shallow freeze and thaw processes, in which the waveguide properties are obtained by inverting the observed dispersion curves. This new method can non‐invasively monitor freezing and thawing processes in a wide range of glacial, periglacial and frozen ground studies. |
| doi_str_mv | 10.1029/2009GL039581 |
| format | Article |
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M. ; Endres, A. L. ; Vereecken, H.</creator><creatorcontrib>van der Kruk, J. ; Steelman, C. M. ; Endres, A. L. ; Vereecken, H.</creatorcontrib><description>Freeze and thaw processes are important components in characterizing glacial, periglacial and frozen ground environments, and hence the response of cryospheric regions to climate change. High‐frequency ground‐penetrating radar is particularly well suited for monitoring the freezing and thawing processes within the shallow subsurface (i.e., < 1 m depth) due to its non‐invasive nature and its sensitivity to the liquid water component in soil. The freezing of moist soil and thawing of frozen soil induce leaky and low‐velocity waveguides, respectively. Within these waveguide layers, the internally reflected radar energy produces interfering multiples that appear as a package of dispersed waves. Here, we present a new method for characterizing very shallow freeze and thaw processes, in which the waveguide properties are obtained by inverting the observed dispersion curves. This new method can non‐invasively monitor freezing and thawing processes in a wide range of glacial, periglacial and frozen ground studies.</description><identifier>ISSN: 0094-8276</identifier><identifier>EISSN: 1944-8007</identifier><identifier>DOI: 10.1029/2009GL039581</identifier><identifier>CODEN: GPRLAJ</identifier><language>eng</language><publisher>Washington, DC: Blackwell Publishing Ltd</publisher><subject>Climate change ; Cryosphere ; Dispersions ; Earth sciences ; Earth, ocean, space ; Electromagnetics ; Exact sciences and technology ; Freezing ; Frozen ground ; Geobiology ; Geophysics ; GPR ; Hydrology ; inversion ; Melting ; Radar ; Soil (material) ; Thawing ; Wave propagation ; waveguide ; Waveguides</subject><ispartof>Geophysical research letters, 2009-09, Vol.36 (18), p.np-n/a</ispartof><rights>Copyright 2009 by the American Geophysical Union.</rights><rights>2009 INIST-CNRS</rights><rights>Copyright 2009 by American Geophysical Union</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a5003-470589ad1b00d76678c1a2d2afac7f40e3ed0f6e0a5dfc0031517d23af79c04f3</citedby><cites>FETCH-LOGICAL-a5003-470589ad1b00d76678c1a2d2afac7f40e3ed0f6e0a5dfc0031517d23af79c04f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1029%2F2009GL039581$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1029%2F2009GL039581$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,1427,11493,27901,27902,45550,45551,46384,46443,46808,46867</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22058247$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>van der Kruk, J.</creatorcontrib><creatorcontrib>Steelman, C. M.</creatorcontrib><creatorcontrib>Endres, A. L.</creatorcontrib><creatorcontrib>Vereecken, H.</creatorcontrib><title>Dispersion inversion of electromagnetic pulse propagation within freezing and thawing soil waveguides</title><title>Geophysical research letters</title><addtitle>Geophys. Res. Lett</addtitle><description>Freeze and thaw processes are important components in characterizing glacial, periglacial and frozen ground environments, and hence the response of cryospheric regions to climate change. High‐frequency ground‐penetrating radar is particularly well suited for monitoring the freezing and thawing processes within the shallow subsurface (i.e., < 1 m depth) due to its non‐invasive nature and its sensitivity to the liquid water component in soil. The freezing of moist soil and thawing of frozen soil induce leaky and low‐velocity waveguides, respectively. Within these waveguide layers, the internally reflected radar energy produces interfering multiples that appear as a package of dispersed waves. Here, we present a new method for characterizing very shallow freeze and thaw processes, in which the waveguide properties are obtained by inverting the observed dispersion curves. This new method can non‐invasively monitor freezing and thawing processes in a wide range of glacial, periglacial and frozen ground studies.</description><subject>Climate change</subject><subject>Cryosphere</subject><subject>Dispersions</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Electromagnetics</subject><subject>Exact sciences and technology</subject><subject>Freezing</subject><subject>Frozen ground</subject><subject>Geobiology</subject><subject>Geophysics</subject><subject>GPR</subject><subject>Hydrology</subject><subject>inversion</subject><subject>Melting</subject><subject>Radar</subject><subject>Soil (material)</subject><subject>Thawing</subject><subject>Wave propagation</subject><subject>waveguide</subject><subject>Waveguides</subject><issn>0094-8276</issn><issn>1944-8007</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>8G5</sourceid><sourceid>BENPR</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNqFkUFv1DAQhS0EEkvhxg-IkJA4EBg7jh0f0QLblhUIVMTRGpzx1iWbpHbSpfx6vNpVhTjAyU_y955m3jD2lMMrDsK8FgBmtYbK1A2_xxbcSFk2APo-W-SfrIVWD9mjlK4AoIKKLxi9DWmkmMLQF6G_OarBF9SRm-KwxU1PU3DFOHeJijEOI25w2kO7MF2GvvCR6FfoNwX2bTFd4m6v0xC6Yoc3tJlDS-kxe-Ax-58c3xP29f27i-Vpuf60Olu-WZdY54FKqaFuDLb8O0CrldKN4yhagR6d9hKooha8IsC69S47eM11Kyr02jiQvjphLw65ec7rmdJktyE56jrsaZiT5Urz2gjF1f_RWkiZG9Qmo8_-Qq-GOfZ5EdtIIwTPjWfo5QFycUgpkrdjDFuMt5aD3V_H_nmdjD8_ZmJy2PmIvQvpziNEbkJInTlx4Haho9t_ZtrVl7VQQlXZVB5MIU30886E8YdVutK1_fZxZc8_wOcLo87tsvoNF52tFA</recordid><startdate>200909</startdate><enddate>200909</enddate><creator>van der Kruk, J.</creator><creator>Steelman, C. 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L. ; Vereecken, H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a5003-470589ad1b00d76678c1a2d2afac7f40e3ed0f6e0a5dfc0031517d23af79c04f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Climate change</topic><topic>Cryosphere</topic><topic>Dispersions</topic><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Electromagnetics</topic><topic>Exact sciences and technology</topic><topic>Freezing</topic><topic>Frozen ground</topic><topic>Geobiology</topic><topic>Geophysics</topic><topic>GPR</topic><topic>Hydrology</topic><topic>inversion</topic><topic>Melting</topic><topic>Radar</topic><topic>Soil (material)</topic><topic>Thawing</topic><topic>Wave propagation</topic><topic>waveguide</topic><topic>Waveguides</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>van der Kruk, J.</creatorcontrib><creatorcontrib>Steelman, C. 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M.</au><au>Endres, A. L.</au><au>Vereecken, H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Dispersion inversion of electromagnetic pulse propagation within freezing and thawing soil waveguides</atitle><jtitle>Geophysical research letters</jtitle><addtitle>Geophys. Res. Lett</addtitle><date>2009-09</date><risdate>2009</risdate><volume>36</volume><issue>18</issue><spage>np</spage><epage>n/a</epage><pages>np-n/a</pages><issn>0094-8276</issn><eissn>1944-8007</eissn><coden>GPRLAJ</coden><abstract>Freeze and thaw processes are important components in characterizing glacial, periglacial and frozen ground environments, and hence the response of cryospheric regions to climate change. High‐frequency ground‐penetrating radar is particularly well suited for monitoring the freezing and thawing processes within the shallow subsurface (i.e., < 1 m depth) due to its non‐invasive nature and its sensitivity to the liquid water component in soil. The freezing of moist soil and thawing of frozen soil induce leaky and low‐velocity waveguides, respectively. Within these waveguide layers, the internally reflected radar energy produces interfering multiples that appear as a package of dispersed waves. Here, we present a new method for characterizing very shallow freeze and thaw processes, in which the waveguide properties are obtained by inverting the observed dispersion curves. This new method can non‐invasively monitor freezing and thawing processes in a wide range of glacial, periglacial and frozen ground studies.</abstract><cop>Washington, DC</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1029/2009GL039581</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Climate change Cryosphere Dispersions Earth sciences Earth, ocean, space Electromagnetics Exact sciences and technology Freezing Frozen ground Geobiology Geophysics GPR Hydrology inversion Melting Radar Soil (material) Thawing Wave propagation waveguide Waveguides |
| title | Dispersion inversion of electromagnetic pulse propagation within freezing and thawing soil waveguides |
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