Comments On ‘Concerning dispersion relations for the magnetotelluric impedance tensor’ By E. Yee and K. V. Paulson
Yee & Paulson (1988) derive an integral representation and some dispersion relations for a general magnetotelluric impedance tensor measured at a single point on the surface of the 3-D Earth. These results derive from the assumption that the impedance tensor defines a linear system which is caus...
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| Autor*in: |
Egbert, G. D. [verfasserIn] |
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| Format: |
E-Artikel |
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| Erschienen: |
Oxford, UK: Blackwell Publishing Ltd ; 1990 |
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Online-Ressource |
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| Reproduktion: |
2007 ; Blackwell Publishing Journal Backfiles 1879-2005 |
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| Übergeordnetes Werk: |
In: Geophysical journal international - Oxford . Wiley-Blackwell, 1922, 102(1990), 1, Seite 0 |
| Übergeordnetes Werk: |
volume:102 ; year:1990 ; number:1 ; pages:0 |
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| DOI / URN: |
10.1111/j.1365-246X.1990.tb00525.x |
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| 520 | |a Yee & Paulson (1988) derive an integral representation and some dispersion relations for a general magnetotelluric impedance tensor measured at a single point on the surface of the 3-D Earth. These results derive from the assumption that the impedance tensor defines a linear system which is causal and passive. We give a more careful discussion of the justification for causality and passivity and show that they do not follow from simple physical arguments; at the very least, there is a substantial gap in the mathematical derivation given by Yee & Paulson (1988). In fact, both conditions can almost certainly fail for physically realizable 3-D conductivities. We present a qualitative analysis of some simple examples which illustrate how this could occur, and give examples of estimated impedance tensors which are clearly not consistent with the passivity condition. We thus conclude that the relevance to real data of many of the results derived by Yee & Paulson must be seriously questioned. | ||
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10.1111/j.1365-246X.1990.tb00525.x doi (DE-627)NLEJ239659368 DE-627 ger DE-627 rakwb Egbert, G. D. verfasserin aut Comments On ‘Concerning dispersion relations for the magnetotelluric impedance tensor’ By E. Yee and K. V. Paulson Oxford, UK Blackwell Publishing Ltd 1990 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Yee & Paulson (1988) derive an integral representation and some dispersion relations for a general magnetotelluric impedance tensor measured at a single point on the surface of the 3-D Earth. These results derive from the assumption that the impedance tensor defines a linear system which is causal and passive. We give a more careful discussion of the justification for causality and passivity and show that they do not follow from simple physical arguments; at the very least, there is a substantial gap in the mathematical derivation given by Yee & Paulson (1988). In fact, both conditions can almost certainly fail for physically realizable 3-D conductivities. We present a qualitative analysis of some simple examples which illustrate how this could occur, and give examples of estimated impedance tensors which are clearly not consistent with the passivity condition. We thus conclude that the relevance to real data of many of the results derived by Yee & Paulson must be seriously questioned. 2007 Blackwell Publishing Journal Backfiles 1879-2005 |2007|||||||||| magnetotellurics In Geophysical journal international Oxford . Wiley-Blackwell, 1922 102(1990), 1, Seite 0 Online-Ressource (DE-627)NLEJ243927827 (DE-600)2006420-2 1365-246X nnns volume:102 year:1990 number:1 pages:0 http://dx.doi.org/10.1111/j.1365-246X.1990.tb00525.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 102 1990 1 0 |
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10.1111/j.1365-246X.1990.tb00525.x doi (DE-627)NLEJ239659368 DE-627 ger DE-627 rakwb Egbert, G. D. verfasserin aut Comments On ‘Concerning dispersion relations for the magnetotelluric impedance tensor’ By E. Yee and K. V. Paulson Oxford, UK Blackwell Publishing Ltd 1990 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Yee & Paulson (1988) derive an integral representation and some dispersion relations for a general magnetotelluric impedance tensor measured at a single point on the surface of the 3-D Earth. These results derive from the assumption that the impedance tensor defines a linear system which is causal and passive. We give a more careful discussion of the justification for causality and passivity and show that they do not follow from simple physical arguments; at the very least, there is a substantial gap in the mathematical derivation given by Yee & Paulson (1988). In fact, both conditions can almost certainly fail for physically realizable 3-D conductivities. We present a qualitative analysis of some simple examples which illustrate how this could occur, and give examples of estimated impedance tensors which are clearly not consistent with the passivity condition. We thus conclude that the relevance to real data of many of the results derived by Yee & Paulson must be seriously questioned. 2007 Blackwell Publishing Journal Backfiles 1879-2005 |2007|||||||||| magnetotellurics In Geophysical journal international Oxford . Wiley-Blackwell, 1922 102(1990), 1, Seite 0 Online-Ressource (DE-627)NLEJ243927827 (DE-600)2006420-2 1365-246X nnns volume:102 year:1990 number:1 pages:0 http://dx.doi.org/10.1111/j.1365-246X.1990.tb00525.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 102 1990 1 0 |
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10.1111/j.1365-246X.1990.tb00525.x doi (DE-627)NLEJ239659368 DE-627 ger DE-627 rakwb Egbert, G. D. verfasserin aut Comments On ‘Concerning dispersion relations for the magnetotelluric impedance tensor’ By E. Yee and K. V. Paulson Oxford, UK Blackwell Publishing Ltd 1990 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Yee & Paulson (1988) derive an integral representation and some dispersion relations for a general magnetotelluric impedance tensor measured at a single point on the surface of the 3-D Earth. These results derive from the assumption that the impedance tensor defines a linear system which is causal and passive. We give a more careful discussion of the justification for causality and passivity and show that they do not follow from simple physical arguments; at the very least, there is a substantial gap in the mathematical derivation given by Yee & Paulson (1988). In fact, both conditions can almost certainly fail for physically realizable 3-D conductivities. We present a qualitative analysis of some simple examples which illustrate how this could occur, and give examples of estimated impedance tensors which are clearly not consistent with the passivity condition. We thus conclude that the relevance to real data of many of the results derived by Yee & Paulson must be seriously questioned. 2007 Blackwell Publishing Journal Backfiles 1879-2005 |2007|||||||||| magnetotellurics In Geophysical journal international Oxford . Wiley-Blackwell, 1922 102(1990), 1, Seite 0 Online-Ressource (DE-627)NLEJ243927827 (DE-600)2006420-2 1365-246X nnns volume:102 year:1990 number:1 pages:0 http://dx.doi.org/10.1111/j.1365-246X.1990.tb00525.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 102 1990 1 0 |
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10.1111/j.1365-246X.1990.tb00525.x doi (DE-627)NLEJ239659368 DE-627 ger DE-627 rakwb Egbert, G. D. verfasserin aut Comments On ‘Concerning dispersion relations for the magnetotelluric impedance tensor’ By E. Yee and K. V. Paulson Oxford, UK Blackwell Publishing Ltd 1990 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Yee & Paulson (1988) derive an integral representation and some dispersion relations for a general magnetotelluric impedance tensor measured at a single point on the surface of the 3-D Earth. These results derive from the assumption that the impedance tensor defines a linear system which is causal and passive. We give a more careful discussion of the justification for causality and passivity and show that they do not follow from simple physical arguments; at the very least, there is a substantial gap in the mathematical derivation given by Yee & Paulson (1988). In fact, both conditions can almost certainly fail for physically realizable 3-D conductivities. We present a qualitative analysis of some simple examples which illustrate how this could occur, and give examples of estimated impedance tensors which are clearly not consistent with the passivity condition. We thus conclude that the relevance to real data of many of the results derived by Yee & Paulson must be seriously questioned. 2007 Blackwell Publishing Journal Backfiles 1879-2005 |2007|||||||||| magnetotellurics In Geophysical journal international Oxford . Wiley-Blackwell, 1922 102(1990), 1, Seite 0 Online-Ressource (DE-627)NLEJ243927827 (DE-600)2006420-2 1365-246X nnns volume:102 year:1990 number:1 pages:0 http://dx.doi.org/10.1111/j.1365-246X.1990.tb00525.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 102 1990 1 0 |
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10.1111/j.1365-246X.1990.tb00525.x doi (DE-627)NLEJ239659368 DE-627 ger DE-627 rakwb Egbert, G. D. verfasserin aut Comments On ‘Concerning dispersion relations for the magnetotelluric impedance tensor’ By E. Yee and K. V. Paulson Oxford, UK Blackwell Publishing Ltd 1990 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Yee & Paulson (1988) derive an integral representation and some dispersion relations for a general magnetotelluric impedance tensor measured at a single point on the surface of the 3-D Earth. These results derive from the assumption that the impedance tensor defines a linear system which is causal and passive. We give a more careful discussion of the justification for causality and passivity and show that they do not follow from simple physical arguments; at the very least, there is a substantial gap in the mathematical derivation given by Yee & Paulson (1988). In fact, both conditions can almost certainly fail for physically realizable 3-D conductivities. We present a qualitative analysis of some simple examples which illustrate how this could occur, and give examples of estimated impedance tensors which are clearly not consistent with the passivity condition. We thus conclude that the relevance to real data of many of the results derived by Yee & Paulson must be seriously questioned. 2007 Blackwell Publishing Journal Backfiles 1879-2005 |2007|||||||||| magnetotellurics In Geophysical journal international Oxford . Wiley-Blackwell, 1922 102(1990), 1, Seite 0 Online-Ressource (DE-627)NLEJ243927827 (DE-600)2006420-2 1365-246X nnns volume:102 year:1990 number:1 pages:0 http://dx.doi.org/10.1111/j.1365-246X.1990.tb00525.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 102 1990 1 0 |
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Comments On ‘Concerning dispersion relations for the magnetotelluric impedance tensor’ By E. Yee and K. V. Paulson |
| abstract |
Yee & Paulson (1988) derive an integral representation and some dispersion relations for a general magnetotelluric impedance tensor measured at a single point on the surface of the 3-D Earth. These results derive from the assumption that the impedance tensor defines a linear system which is causal and passive. We give a more careful discussion of the justification for causality and passivity and show that they do not follow from simple physical arguments; at the very least, there is a substantial gap in the mathematical derivation given by Yee & Paulson (1988). In fact, both conditions can almost certainly fail for physically realizable 3-D conductivities. We present a qualitative analysis of some simple examples which illustrate how this could occur, and give examples of estimated impedance tensors which are clearly not consistent with the passivity condition. We thus conclude that the relevance to real data of many of the results derived by Yee & Paulson must be seriously questioned. |
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Yee & Paulson (1988) derive an integral representation and some dispersion relations for a general magnetotelluric impedance tensor measured at a single point on the surface of the 3-D Earth. These results derive from the assumption that the impedance tensor defines a linear system which is causal and passive. We give a more careful discussion of the justification for causality and passivity and show that they do not follow from simple physical arguments; at the very least, there is a substantial gap in the mathematical derivation given by Yee & Paulson (1988). In fact, both conditions can almost certainly fail for physically realizable 3-D conductivities. We present a qualitative analysis of some simple examples which illustrate how this could occur, and give examples of estimated impedance tensors which are clearly not consistent with the passivity condition. We thus conclude that the relevance to real data of many of the results derived by Yee & Paulson must be seriously questioned. |
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Yee & Paulson (1988) derive an integral representation and some dispersion relations for a general magnetotelluric impedance tensor measured at a single point on the surface of the 3-D Earth. These results derive from the assumption that the impedance tensor defines a linear system which is causal and passive. We give a more careful discussion of the justification for causality and passivity and show that they do not follow from simple physical arguments; at the very least, there is a substantial gap in the mathematical derivation given by Yee & Paulson (1988). In fact, both conditions can almost certainly fail for physically realizable 3-D conductivities. We present a qualitative analysis of some simple examples which illustrate how this could occur, and give examples of estimated impedance tensors which are clearly not consistent with the passivity condition. We thus conclude that the relevance to real data of many of the results derived by Yee & Paulson must be seriously questioned. |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">NLEJ239659368</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20210707092319.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">120426s1990 xx |||||o 00| ||und c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1111/j.1365-246X.1990.tb00525.x</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)NLEJ239659368</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Egbert, G. D.</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Comments On ‘Concerning dispersion relations for the magnetotelluric impedance tensor’ By E. Yee and K. V. Paulson</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="a">Oxford, UK</subfield><subfield code="b">Blackwell Publishing Ltd</subfield><subfield code="c">1990</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">zzz</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">z</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">zu</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Yee & Paulson (1988) derive an integral representation and some dispersion relations for a general magnetotelluric impedance tensor measured at a single point on the surface of the 3-D Earth. These results derive from the assumption that the impedance tensor defines a linear system which is causal and passive. We give a more careful discussion of the justification for causality and passivity and show that they do not follow from simple physical arguments; at the very least, there is a substantial gap in the mathematical derivation given by Yee & Paulson (1988). In fact, both conditions can almost certainly fail for physically realizable 3-D conductivities. We present a qualitative analysis of some simple examples which illustrate how this could occur, and give examples of estimated impedance tensors which are clearly not consistent with the passivity condition. We thus conclude that the relevance to real data of many of the results derived by Yee & Paulson must be seriously questioned.</subfield></datafield><datafield tag="533" ind1=" " ind2=" "><subfield code="d">2007</subfield><subfield code="f">Blackwell Publishing Journal Backfiles 1879-2005</subfield><subfield code="7">|2007||||||||||</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">magnetotellurics</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">In</subfield><subfield code="t">Geophysical journal international</subfield><subfield code="d">Oxford . Wiley-Blackwell, 1922</subfield><subfield code="g">102(1990), 1, Seite 0</subfield><subfield code="h">Online-Ressource</subfield><subfield code="w">(DE-627)NLEJ243927827</subfield><subfield code="w">(DE-600)2006420-2</subfield><subfield code="x">1365-246X</subfield><subfield code="7">nnns</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:102</subfield><subfield code="g">year:1990</subfield><subfield code="g">number:1</subfield><subfield code="g">pages:0</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">http://dx.doi.org/10.1111/j.1365-246X.1990.tb00525.x</subfield><subfield code="q">text/html</subfield><subfield code="x">Verlag</subfield><subfield code="z">Deutschlandweit zugänglich</subfield><subfield code="3">Volltext</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_U</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">ZDB-1-DJB</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_NL_ARTICLE</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">102</subfield><subfield code="j">1990</subfield><subfield code="e">1</subfield><subfield code="h">0</subfield></datafield></record></collection>
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