Air-Ice-Ocean Feedback Mechanisms and Ice Oscillation on Millennial Time Scales
Air-ice-ocean feedback mechanisms, which are not conventionally incorporated within either climate or glacial models, are investigated to illustrate their potential role in generating ice advance/retreat on the time scale of 10(3) - 10(4) years; i.e. for examining the internal causes for the ice osc...
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ftdtic:ADA480185 2023-05-15T16:37:02+02:00 Air-Ice-Ocean Feedback Mechanisms and Ice Oscillation on Millennial Time Scales Chu, P. C. NAVAL POSTGRADUATE SCHOOL MONTEREY CA DEPT OF OCEANOGRAPHY 1990 text/html http://www.dtic.mil/docs/citations/ADA480185 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA480185 en eng http://www.dtic.mil/docs/citations/ADA480185 Approved for public release; distribution is unlimited. Document partially illegible. DTIC Atmospheric Physics Physical and Dynamic Oceanography Snow Ice and Permafrost *AIR *ICE *GLACIERS *OCEANS REPRINTS TEMPERATURE ATMOSPHERIC TEMPERATURE ACCUMULATION SEA LEVEL HEIGHT OSCILLATION CLIMATE STRENGTH(GENERAL) FREEZING MODIFICATION LOW TEMPERATURE *ICE OSCILLATION Text 1990 ftdtic 2016-02-22T14:47:14Z Air-ice-ocean feedback mechanisms, which are not conventionally incorporated within either climate or glacial models, are investigated to illustrate their potential role in generating ice advance/retreat on the time scale of 10(3) - 10(4) years; i.e. for examining the internal causes for the ice oscillation. Three main feedback loops are found from a coupled air-ice-ocean model developed in this paper; (a) ice advance - lower air temperature - ice freezing - ice advance; and (b) ice advance - higher ocean temperature - ice melting - ice retreat; (c) ice advance/retreat - modification of evaporation rate - change of ice accumulation rate and sea-level height - ice advance/retreat. The relative strength of the three feedback mechanisms determines the characteristics of the modes; growing or decaying, oscillatory or nonoscillatory. The solutions show the generation of growing oscillatory modes with the time scale of 10(3) - 10(4) years in certain parameter ranges. Pub. Annals of Glaciology, v14, p28-31, 1990. Text Ice permafrost Defense Technical Information Center: DTIC Technical Reports database |
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Open Polar |
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Defense Technical Information Center: DTIC Technical Reports database |
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ftdtic |
language |
English |
topic |
Atmospheric Physics Physical and Dynamic Oceanography Snow Ice and Permafrost *AIR *ICE *GLACIERS *OCEANS REPRINTS TEMPERATURE ATMOSPHERIC TEMPERATURE ACCUMULATION SEA LEVEL HEIGHT OSCILLATION CLIMATE STRENGTH(GENERAL) FREEZING MODIFICATION LOW TEMPERATURE *ICE OSCILLATION |
spellingShingle |
Atmospheric Physics Physical and Dynamic Oceanography Snow Ice and Permafrost *AIR *ICE *GLACIERS *OCEANS REPRINTS TEMPERATURE ATMOSPHERIC TEMPERATURE ACCUMULATION SEA LEVEL HEIGHT OSCILLATION CLIMATE STRENGTH(GENERAL) FREEZING MODIFICATION LOW TEMPERATURE *ICE OSCILLATION Chu, P. C. Air-Ice-Ocean Feedback Mechanisms and Ice Oscillation on Millennial Time Scales |
topic_facet |
Atmospheric Physics Physical and Dynamic Oceanography Snow Ice and Permafrost *AIR *ICE *GLACIERS *OCEANS REPRINTS TEMPERATURE ATMOSPHERIC TEMPERATURE ACCUMULATION SEA LEVEL HEIGHT OSCILLATION CLIMATE STRENGTH(GENERAL) FREEZING MODIFICATION LOW TEMPERATURE *ICE OSCILLATION |
description |
Air-ice-ocean feedback mechanisms, which are not conventionally incorporated within either climate or glacial models, are investigated to illustrate their potential role in generating ice advance/retreat on the time scale of 10(3) - 10(4) years; i.e. for examining the internal causes for the ice oscillation. Three main feedback loops are found from a coupled air-ice-ocean model developed in this paper; (a) ice advance - lower air temperature - ice freezing - ice advance; and (b) ice advance - higher ocean temperature - ice melting - ice retreat; (c) ice advance/retreat - modification of evaporation rate - change of ice accumulation rate and sea-level height - ice advance/retreat. The relative strength of the three feedback mechanisms determines the characteristics of the modes; growing or decaying, oscillatory or nonoscillatory. The solutions show the generation of growing oscillatory modes with the time scale of 10(3) - 10(4) years in certain parameter ranges. Pub. Annals of Glaciology, v14, p28-31, 1990. |
author2 |
NAVAL POSTGRADUATE SCHOOL MONTEREY CA DEPT OF OCEANOGRAPHY |
format |
Text |
author |
Chu, P. C. |
author_facet |
Chu, P. C. |
author_sort |
Chu, P. C. |
title |
Air-Ice-Ocean Feedback Mechanisms and Ice Oscillation on Millennial Time Scales |
title_short |
Air-Ice-Ocean Feedback Mechanisms and Ice Oscillation on Millennial Time Scales |
title_full |
Air-Ice-Ocean Feedback Mechanisms and Ice Oscillation on Millennial Time Scales |
title_fullStr |
Air-Ice-Ocean Feedback Mechanisms and Ice Oscillation on Millennial Time Scales |
title_full_unstemmed |
Air-Ice-Ocean Feedback Mechanisms and Ice Oscillation on Millennial Time Scales |
title_sort |
air-ice-ocean feedback mechanisms and ice oscillation on millennial time scales |
publishDate |
1990 |
url |
http://www.dtic.mil/docs/citations/ADA480185 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA480185 |
genre |
Ice permafrost |
genre_facet |
Ice permafrost |
op_source |
DTIC |
op_relation |
http://www.dtic.mil/docs/citations/ADA480185 |
op_rights |
Approved for public release; distribution is unlimited. Document partially illegible. |
_version_ |
1766027351042293760 |