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Record #166720:

Behavior of air molecules in polar ice sheets / Tomoko Ikeda-Fukazawa, Takeo Hondoh.

Title: Behavior of air molecules in polar ice sheets / Tomoko Ikeda-Fukazawa, Takeo Hondoh.
Author(s): Ikeda-Fukazawa, Tomoko.
Hondoh, Takeo.
Date: 2003.
In: National Institute of Polar Research. Memoirs. Special Issue. (2003.), Vol. 57 (2003)
Abstract: Reviews processes of formation of clathrate hydrates in deep ice that may affect composition and distribution of atmospheric gases in ice sheets and reconstruction of accurate records of paleoatmosphere from polar ice cores. Uses examples mainly of N₂/O₂ concentrations from Dome Fuji and Vostok deep ice cores, discussing gas fractionation in clathrate hydrate formation, gas diffusion in ice crystals and modelling efforts. Notes that significant gas fractionation occurs through diffusion of air molecules between air bubbles and clathrate hydrates through ice matrix and within both bubbly and bubble-free ice zones with possibly important implications for paleoatmospheric reconstruction. Note also that these processes are not observable on laboratory time scales. In: Global Scale Climate and Environment Study through Polar Deep Ice Cores: Proceedings of the International Symposium on the Dome Fuji Ice Core and Related Topics, 27-28 February 2001, Tokyo.
Notes:

National Institute of Polar Research. Memoirs. Special Issue. Vol. 57 :178-186 (2003).

Keywords: (*735) -- Prins Harald Kyst: Dome Fuji.
(*747.5) -- Vostok region: Vostok.
551.32 -- Glaciology.
551.324 -- Land ice.
551.324.24 -- Ice sheets and caps.
551.324.82 -- Bubbles in glaciers and ice.
551.322 -- Ice and snow.
54 -- Chemistry.
548.736.65 -- Clathrate hydrates.
546.17 -- Nitrogen.
546.21 -- Oxygen.
539.21 -- Ice, molecular physics.
551.58 -- Climatology.
551.583.3 -- Climatic changes, Quaternary.
551.510.4 -- Atmosphere, composition.
E4 -- Glaciology: physics and chemistry of ice.
(*7) -- Antarctic regions.
(*7.3) -- East Antarctica.
SPRI record no.: 166720

MARCXML

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100 1# ‡aIkeda-Fukazawa, Tomoko.
245 10 ‡aBehavior of air molecules in polar ice sheets /‡cTomoko Ikeda-Fukazawa, Takeo Hondoh.
260 ## ‡a[S.l.] :‡b[s.n.],‡c2003.
300 ## ‡ap. 178-186 :‡bdiags., table.
500 ## ‡aNational Institute of Polar Research. Memoirs. Special Issue. Vol. 57 :178-186 (2003).
520 3# ‡aReviews processes of formation of clathrate hydrates in deep ice that may affect composition and distribution of atmospheric gases in ice sheets and reconstruction of accurate records of paleoatmosphere from polar ice cores. Uses examples mainly of N₂/O₂ concentrations from Dome Fuji and Vostok deep ice cores, discussing gas fractionation in clathrate hydrate formation, gas diffusion in ice crystals and modelling efforts. Notes that significant gas fractionation occurs through diffusion of air molecules between air bubbles and clathrate hydrates through ice matrix and within both bubbly and bubble-free ice zones with possibly important implications for paleoatmospheric reconstruction. Note also that these processes are not observable on laboratory time scales. In: Global Scale Climate and Environment Study through Polar Deep Ice Cores: Proceedings of the International Symposium on the Dome Fuji Ice Core and Related Topics, 27-28 February 2001, Tokyo.
650 07 ‡a(*735) -- Prins Harald Kyst: Dome Fuji.‡2udc
650 07 ‡a(*747.5) -- Vostok region: Vostok.‡2udc
650 07 ‡a551.32 -- Glaciology.‡2udc
650 07 ‡a551.324 -- Land ice.‡2udc
650 07 ‡a551.324.24 -- Ice sheets and caps.‡2udc
650 07 ‡a551.324.82 -- Bubbles in glaciers and ice.‡2udc
650 07 ‡a551.322 -- Ice and snow.‡2udc
650 07 ‡a54 -- Chemistry.‡2udc
650 07 ‡a548.736.65 -- Clathrate hydrates.‡2udc
650 07 ‡a546.17 -- Nitrogen.‡2udc
650 07 ‡a546.21 -- Oxygen.‡2udc
650 07 ‡a539.21 -- Ice, molecular physics.‡2udc
650 07 ‡a551.58 -- Climatology.‡2udc
650 07 ‡a551.583.3 -- Climatic changes, Quaternary.‡2udc
650 07 ‡a551.510.4 -- Atmosphere, composition.‡2udc
650 07 ‡aE4 -- Glaciology: physics and chemistry of ice.‡2local
651 #7 ‡a(*7) -- Antarctic regions.‡2udc
651 #7 ‡a(*7.3) -- East Antarctica.‡2udc
700 1# ‡aHondoh, Takeo.
773 0# ‡7nnas ‡tNational Institute of Polar Research. Memoirs. Special Issue. ‡gVol. 57 (2003) ‡wSPRI-42956
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