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Record #96543:

Constraints imposed by the ice core data on the budgets of nitrous oxide and methane / M.A.K. Khalil, R.A. Rasmussen.

Title: Constraints imposed by the ice core data on the budgets of nitrous oxide and methane / M.A.K. Khalil, R.A. Rasmussen.
Author(s): Khalil, M. A. K.
Rasmussen, R. A.
Date: [1989]
Publisher: Cointe-Ougrée: Université de Liège, Institut d'Astrophysique
Abstract: Using ice-core data, purpose was to find limits on present emissions of CH₄ and N₂O from anthropogenic and natural sources that are consistent with concentrations found 100 years ago, and are also consistent with present measured concentrations, trends and estimated lifetimes. Taking lifetime of N₂O to be 100-150 years, and of CH₄ to be 8-12 years, it was found that 10 to 30% of N₂O emissions, and 40 to 65% of CH₄ emissions, must come from human activities. Discussion, p. 409-410.
Notes:

Offprint: Our changing atmosphere. Proceedings of the 28th Liège International Astrophysical Colloquium, June 26-30, 1989 / P.J. Crutzen, J.-C. Gerard, R. Zander, eds.

Keywords: 551.510.41 -- Atmosphere, chemical properties.
504.054(203) -- Pollution, air.
504.054 -- Pollution.
551.32 -- Glaciology.
551.324 -- Land ice.
54 -- Chemistry.
551.324.82 -- Bubbles in glaciers and ice.
551.321.2 -- Snow and ice, methods of sampling, excavating, drilling, etc.
622.14 -- Core sampling, ice and snow.
E5 -- Glaciology: land ice.
Location(s): SCO: SPRI-PAM: 551.510.41
SPRI record no.: 96543

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245 10 ‡aConstraints imposed by the ice core data on the budgets of nitrous oxide and methane /‡cM.A.K. Khalil, R.A. Rasmussen.
260 ## ‡aCointe-Ougrée :‡bUniversité de Liège, Institut d'Astrophysique,‡c[1989]
300 ## ‡ap. 403-408 :‡bdiags., tables.
500 ## ‡aOffprint: Our changing atmosphere. Proceedings of the 28th Liège International Astrophysical Colloquium, June 26-30, 1989 / P.J. Crutzen, J.-C. Gerard, R. Zander, eds.
520 3# ‡aUsing ice-core data, purpose was to find limits on present emissions of CH₄ and N₂O from anthropogenic and natural sources that are consistent with concentrations found 100 years ago, and are also consistent with present measured concentrations, trends and estimated lifetimes. Taking lifetime of N₂O to be 100-150 years, and of CH₄ to be 8-12 years, it was found that 10 to 30% of N₂O emissions, and 40 to 65% of CH₄ emissions, must come from human activities. Discussion, p. 409-410.
650 07 ‡a551.510.41 -- Atmosphere, chemical properties.‡2udc
650 07 ‡a504.054(203) -- Pollution, air.‡2udc
650 07 ‡a504.054 -- Pollution.‡2udc
650 07 ‡a551.32 -- Glaciology.‡2udc
650 07 ‡a551.324 -- Land ice.‡2udc
650 07 ‡a54 -- Chemistry.‡2udc
650 07 ‡a551.324.82 -- Bubbles in glaciers and ice.‡2udc
650 07 ‡a551.321.2 -- Snow and ice, methods of sampling, excavating, drilling, etc.‡2udc
650 07 ‡a622.14 -- Core sampling, ice and snow.‡2udc
650 07 ‡aE5 -- Glaciology: land ice.‡2local
700 1# ‡aRasmussen, R. A.
852 7# ‡2camdept‡bSCO‡cSPRI-PAM‡h551.510.41‡9Create 1 item record‡0Migrate
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