Dielectric stratigraphy of ice: A new technique for determining total ionic concentrations in polar ice cores
A 133 m deep Antarctic ice core from Dolleman Island, Antarctic Peninsula, has been profiled by dielectric measurements in the AF‐LF (20 Hz ‐ 100 kHz) frequency range. This has revealed large variations in dielectric relaxation and conductivity down the core. A comparison with the chemical stratigra...
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| Veröffentlicht in: | Geophysical research letters 1989-10, Vol.16 (10), p.1177-1180 |
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| container_title | Geophysical research letters |
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| creator | Moore, J. C. Mulvaney, R. Paren, J. G. |
| description | A 133 m deep Antarctic ice core from Dolleman Island, Antarctic Peninsula, has been profiled by dielectric measurements in the AF‐LF (20 Hz ‐ 100 kHz) frequency range. This has revealed large variations in dielectric relaxation and conductivity down the core. A comparison with the chemical stratigraphy along 45 m of the core demonstrates for the first time the decisive role played by acids and salts in determining the electrical behaviour of natural ice. The total ionic concentration along the ice core can be deduced from the dielectric response. This technique may be applied rapidly in the field and, as it requires no contact between ice core and electrodes, the core is maintained in pristine condition for later chemical analysis. |
| doi_str_mv | 10.1029/GL016i010p01177 |
| format | Article |
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C.</creatorcontrib><creatorcontrib>Mulvaney, R.</creatorcontrib><creatorcontrib>Paren, J. G.</creatorcontrib><title>Dielectric stratigraphy of ice: A new technique for determining total ionic concentrations in polar ice cores</title><title>Geophysical research letters</title><addtitle>Geophys. Res. Lett</addtitle><description>A 133 m deep Antarctic ice core from Dolleman Island, Antarctic Peninsula, has been profiled by dielectric measurements in the AF‐LF (20 Hz ‐ 100 kHz) frequency range. This has revealed large variations in dielectric relaxation and conductivity down the core. A comparison with the chemical stratigraphy along 45 m of the core demonstrates for the first time the decisive role played by acids and salts in determining the electrical behaviour of natural ice. The total ionic concentration along the ice core can be deduced from the dielectric response. This technique may be applied rapidly in the field and, as it requires no contact between ice core and electrodes, the core is maintained in pristine condition for later chemical analysis.</description><subject>540320 - Environment, Aquatic- Chemicals Monitoring & Transport- (1990-)</subject><subject>Antarctic Peninsula</subject><subject>ANTARCTIC REGIONS</subject><subject>ANTARCTICA</subject><subject>Chemical analysis</subject><subject>Contact</subject><subject>DEPTH</subject><subject>DIELECTRIC PROPERTIES</subject><subject>Dielectrics</subject><subject>DIMENSIONS</subject><subject>DRILL CORES</subject><subject>ELECTRIC CONDUCTIVITY</subject><subject>ELECTRICAL PROPERTIES</subject><subject>Electrodes</subject><subject>ENVIRONMENTAL SCIENCES</subject><subject>GEOLOGY</subject><subject>HYDROGEN COMPOUNDS</subject><subject>ICE</subject><subject>INORGANIC ACIDS</subject><subject>IONIC CONDUCTIVITY</subject><subject>Islands</subject><subject>Marine</subject><subject>MEASURING METHODS</subject><subject>PHYSICAL PROPERTIES</subject><subject>POLAR REGIONS</subject><subject>Resistivity</subject><subject>SALTS</subject><subject>STRATIGRAPHY</subject><subject>VARIATIONS</subject><issn>0094-8276</issn><issn>1944-8007</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1989</creationdate><recordtype>article</recordtype><recordid>eNqFkUFv1DAQRi0EEkvhzNXixCV07NhOzK0qsEUKIKGiPVpeZ9IasnawXZX993gJ4sClpxlp3vs0oyHkJYM3DLg-3w7AlAcGCzDWdY_Ihmkhmh6ge0w2ALr2vFNPybOcvwNACy3bkMM7jzO6kryjuSRb_E2yy-2Rxol6h2_pBQ14Twu62-B_3iGdYqIjFkwHH3y4oSUWO1MfQw1wMTgMf1JiyNQHusTZplNQnSXMz8mTyc4ZX_ytZ-Tbh_fXl1fN8GX78fJiaKwUUjSauw6ktK3use8nC1xxbPdqdP0Io5VS7pmyfD8y5LoDq5lwomeIonaT5O0ZebXmxly8yc6f9q_bhXqpkVIozViFXq_QkmK9LBdz8NnhPNuA8S4bpgTnPedSP4xKLgQXSqmKnq-oSzHnhJNZkj_YdDQMzOlR5r9HVUOsxr2f8fgQbrZfByFBVK1ZNZ8L_vqn2fTDqK7tpNl93prrndh92g1XRrS_ARWWpI8</recordid><startdate>198910</startdate><enddate>198910</enddate><creator>Moore, J. 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G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a5454-92c7055a398e88fa0262e3b6dc8d0da555b16a2bd1e2970a914c481ee4914f523</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1989</creationdate><topic>540320 - Environment, Aquatic- Chemicals Monitoring & Transport- (1990-)</topic><topic>Antarctic Peninsula</topic><topic>ANTARCTIC REGIONS</topic><topic>ANTARCTICA</topic><topic>Chemical analysis</topic><topic>Contact</topic><topic>DEPTH</topic><topic>DIELECTRIC PROPERTIES</topic><topic>Dielectrics</topic><topic>DIMENSIONS</topic><topic>DRILL CORES</topic><topic>ELECTRIC CONDUCTIVITY</topic><topic>ELECTRICAL PROPERTIES</topic><topic>Electrodes</topic><topic>ENVIRONMENTAL SCIENCES</topic><topic>GEOLOGY</topic><topic>HYDROGEN COMPOUNDS</topic><topic>ICE</topic><topic>INORGANIC ACIDS</topic><topic>IONIC CONDUCTIVITY</topic><topic>Islands</topic><topic>Marine</topic><topic>MEASURING METHODS</topic><topic>PHYSICAL PROPERTIES</topic><topic>POLAR REGIONS</topic><topic>Resistivity</topic><topic>SALTS</topic><topic>STRATIGRAPHY</topic><topic>VARIATIONS</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Moore, J. 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G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Dielectric stratigraphy of ice: A new technique for determining total ionic concentrations in polar ice cores</atitle><jtitle>Geophysical research letters</jtitle><addtitle>Geophys. Res. Lett</addtitle><date>1989-10</date><risdate>1989</risdate><volume>16</volume><issue>10</issue><spage>1177</spage><epage>1180</epage><pages>1177-1180</pages><issn>0094-8276</issn><eissn>1944-8007</eissn><abstract>A 133 m deep Antarctic ice core from Dolleman Island, Antarctic Peninsula, has been profiled by dielectric measurements in the AF‐LF (20 Hz ‐ 100 kHz) frequency range. This has revealed large variations in dielectric relaxation and conductivity down the core. A comparison with the chemical stratigraphy along 45 m of the core demonstrates for the first time the decisive role played by acids and salts in determining the electrical behaviour of natural ice. The total ionic concentration along the ice core can be deduced from the dielectric response. This technique may be applied rapidly in the field and, as it requires no contact between ice core and electrodes, the core is maintained in pristine condition for later chemical analysis.</abstract><cop>United States</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1029/GL016i010p01177</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 0094-8276 |
| ispartof | Geophysical research letters, 1989-10, Vol.16 (10), p.1177-1180 |
| issn | 0094-8276 1944-8007 |
| language | eng |
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| source | Wiley Online Library All Journals |
| subjects | 540320 - Environment, Aquatic- Chemicals Monitoring & Transport- (1990-) Antarctic Peninsula ANTARCTIC REGIONS ANTARCTICA Chemical analysis Contact DEPTH DIELECTRIC PROPERTIES Dielectrics DIMENSIONS DRILL CORES ELECTRIC CONDUCTIVITY ELECTRICAL PROPERTIES Electrodes ENVIRONMENTAL SCIENCES GEOLOGY HYDROGEN COMPOUNDS ICE INORGANIC ACIDS IONIC CONDUCTIVITY Islands Marine MEASURING METHODS PHYSICAL PROPERTIES POLAR REGIONS Resistivity SALTS STRATIGRAPHY VARIATIONS |
| title | Dielectric stratigraphy of ice: A new technique for determining total ionic concentrations in polar ice cores |
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