Matches in SemOpenAlex for { <https://semopenalex.org/work/W3083874718> ?p ?o ?g. }
Showing items 1 to 78 of
78
with 100 items per page.
- W3083874718 abstract "<p>The glacial period was punctuated by abrupt millennial scale climate changes, such as Dansgaard Oeschger events, Boeling-Allerod and Younger Dryas. Although abrupt climate changes were shown to have a strong link to the shift between the (quasi) multiple equilibria of Atlantic Meridional Overturning Circulation (AMOC), modeling both together the stability of AMOC under different climate condition and observed glacial-deglacial climate change with fully coupled ocean-atmosphere GCM have been challenging. Here we present a series of long transient experiments (> 10, 000 years) with&#160;steadyforcing under different glacial condition summarized as a phase diagram and compared them with simulation under&#160;transient forcing experiments following PMIP4 using a coupled ocean-atmosphere model, MIROC4m AOGCM. The simulated LGM AMOC is weaker and shallower than the modern AMOC under Pre-Industrial condition. Conventional stability diagram for varied freshwater flux as well as phase diagram showing the response of the AMOC and climate to&#160;steady&#160;forcing is first obtained. It is shown that (quasi-) multiple equilibria exist indeed under a certain range of climate condition. When a&#160;steady forcing under glacial condition is applied even without freshwater perturbation, however, the whole climate-ocean system shows self-sustained oscillation with bipolar seesaw pattern and changes between interstadials and stadials, whose periodicity or the return time ranges from 1000 years to nearly 10000 years depending on the background forcing, e.g. Greenhouse Gas levels. We show that the Southern Ocean plays important role in determining the condition of oscillations. It implies that the abrupt climate change during the glacial climate and deglaciation can be induced much more frequently when the coupled climate system enters the region of the AMOC oscillatory mode than outside of the region. Implication on the mechanism and the conditions of the millennial scale climate changes for the past time period is discussed.</p><p>&#160;</p>" @default.
- W3083874718 created "2020-09-14" @default.
- W3083874718 creator A5014465473 @default.
- W3083874718 creator A5018693315 @default.
- W3083874718 creator A5019071655 @default.
- W3083874718 creator A5049171131 @default.
- W3083874718 creator A5056462131 @default.
- W3083874718 creator A5060667876 @default.
- W3083874718 creator A5072007393 @default.
- W3083874718 creator A5083649763 @default.
- W3083874718 creator A5083761545 @default.
- W3083874718 date "2020-03-23" @default.
- W3083874718 modified "2023-10-16" @default.
- W3083874718 title "Unforced oscillations of climate and AMOC under Glacial climate in MIROC 4m AOGCM" @default.
- W3083874718 doi "https://doi.org/10.5194/egusphere-egu2020-22222" @default.
- W3083874718 hasPublicationYear "2020" @default.
- W3083874718 type Work @default.
- W3083874718 sameAs 3083874718 @default.
- W3083874718 citedByCount "0" @default.
- W3083874718 crossrefType "posted-content" @default.
- W3083874718 hasAuthorship W3083874718A5014465473 @default.
- W3083874718 hasAuthorship W3083874718A5018693315 @default.
- W3083874718 hasAuthorship W3083874718A5019071655 @default.
- W3083874718 hasAuthorship W3083874718A5049171131 @default.
- W3083874718 hasAuthorship W3083874718A5056462131 @default.
- W3083874718 hasAuthorship W3083874718A5060667876 @default.
- W3083874718 hasAuthorship W3083874718A5072007393 @default.
- W3083874718 hasAuthorship W3083874718A5083649763 @default.
- W3083874718 hasAuthorship W3083874718A5083761545 @default.
- W3083874718 hasConcept C111368507 @default.
- W3083874718 hasConcept C114793014 @default.
- W3083874718 hasConcept C114990195 @default.
- W3083874718 hasConcept C115343472 @default.
- W3083874718 hasConcept C127313418 @default.
- W3083874718 hasConcept C132651083 @default.
- W3083874718 hasConcept C15739521 @default.
- W3083874718 hasConcept C168754636 @default.
- W3083874718 hasConcept C187599188 @default.
- W3083874718 hasConcept C197115733 @default.
- W3083874718 hasConcept C39432304 @default.
- W3083874718 hasConcept C49204034 @default.
- W3083874718 hasConcept C65814071 @default.
- W3083874718 hasConcept C69131732 @default.
- W3083874718 hasConcept C78091846 @default.
- W3083874718 hasConcept C91586092 @default.
- W3083874718 hasConceptScore W3083874718C111368507 @default.
- W3083874718 hasConceptScore W3083874718C114793014 @default.
- W3083874718 hasConceptScore W3083874718C114990195 @default.
- W3083874718 hasConceptScore W3083874718C115343472 @default.
- W3083874718 hasConceptScore W3083874718C127313418 @default.
- W3083874718 hasConceptScore W3083874718C132651083 @default.
- W3083874718 hasConceptScore W3083874718C15739521 @default.
- W3083874718 hasConceptScore W3083874718C168754636 @default.
- W3083874718 hasConceptScore W3083874718C187599188 @default.
- W3083874718 hasConceptScore W3083874718C197115733 @default.
- W3083874718 hasConceptScore W3083874718C39432304 @default.
- W3083874718 hasConceptScore W3083874718C49204034 @default.
- W3083874718 hasConceptScore W3083874718C65814071 @default.
- W3083874718 hasConceptScore W3083874718C69131732 @default.
- W3083874718 hasConceptScore W3083874718C78091846 @default.
- W3083874718 hasConceptScore W3083874718C91586092 @default.
- W3083874718 hasLocation W30838747181 @default.
- W3083874718 hasOpenAccess W3083874718 @default.
- W3083874718 hasPrimaryLocation W30838747181 @default.
- W3083874718 hasRelatedWork W13547607 @default.
- W3083874718 hasRelatedWork W17647029 @default.
- W3083874718 hasRelatedWork W178929 @default.
- W3083874718 hasRelatedWork W22103248 @default.
- W3083874718 hasRelatedWork W24341478 @default.
- W3083874718 hasRelatedWork W25903465 @default.
- W3083874718 hasRelatedWork W36072114 @default.
- W3083874718 hasRelatedWork W36308401 @default.
- W3083874718 hasRelatedWork W5589730 @default.
- W3083874718 hasRelatedWork W9137317 @default.
- W3083874718 isParatext "false" @default.
- W3083874718 isRetracted "false" @default.
- W3083874718 magId "3083874718" @default.
- W3083874718 workType "article" @default.