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Oxygen, Carbon, Heat: Explorations in Atmosphere-Ocean Interaction- [electronic resource]
Oxygen, Carbon, Heat: Explorations in Atmosphere-Ocean Interaction - [electronic resource]
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Oxygen, Carbon, Heat: Explorations in Atmosphere-Ocean Interaction- [electronic resource]
자료유형  
 학위논문파일 국외
최종처리일시  
20240214100430
ISBN  
9798379718527
DDC  
628
저자명  
Hogikyan, Allison.
서명/저자  
Oxygen, Carbon, Heat: Explorations in Atmosphere-Ocean Interaction - [electronic resource]
발행사항  
[S.l.]: : Princeton University., 2023
발행사항  
Ann Arbor : : ProQuest Dissertations & Theses,, 2023
형태사항  
1 online resource(180 p.)
주기사항  
Source: Dissertations Abstracts International, Volume: 84-12, Section: B.
주기사항  
Advisor: Resplandy, Laure.
학위논문주기  
Thesis (Ph.D.)--Princeton University, 2023.
사용제한주기  
This item must not be sold to any third party vendors.
초록/해제  
요약This thesis describes three novel mechanisms of air-sea interaction. The first two chapters focus on the amplification of the hydrological (water) cycle as the climate system warms in response to a CO2 increase, which is realized as an amplification of freshwater flux (precipitation - evaporation) patterns. We find that this freshwater flux pattern leads to a redistribution of oxygen and carbon in the ocean, which modifies the previously recognized changes due to the atmospheric CO2 increase, warming, and circulation changes. The change in oxygen concentrations results from the change in sea surface salinity patterns which modifies the ocean circulation and heat uptake. The change in carbon concentrations results from the dilution or concentration of carbonate species (in parallel to salinity), and the same changes in heat uptake. The redistributions of oxygen and carbonate species in response to hydrological cycle amplification are comparable to the effect of global warming, which decreases both oxygen and carbon concentrations throughout the ocean.The third chapter provides a causal mechanism, for the first time, to link the change in sea surface temperature that develops during El Nino events to the change in temperature of the tropical free troposphere. The temperature of the free troposphere is primarily determined by the temperature profile followed by moist convection over the ocean (rising air above high sea surface temperatures). We isolate the part of the sea surface associated with convection (which is determined on thermodynamic rather than geographic grounds) and demonstrate that the El Nino surface temperature increase is driven by a decrease in surface wind speed which damps the evaporation rate. This result suggests a possible relationship between the zonal symmetry of the tropical atmospheric circulation, temperature of the free troposphere, and top-of-atmosphere energy budget.
일반주제명  
Environmental science.
일반주제명  
Atmospheric sciences.
일반주제명  
Climate change.
키워드  
Oxygen
키워드  
Carbon
키워드  
Heat
키워드  
Atmosphere-ocean interactions
키워드  
Hydrological cycle
기타저자  
Princeton University Atmospheric and Oceanic Sciences
기본자료저록  
Dissertations Abstracts International. 84-12B.
기본자료저록  
Dissertation Abstract International
전자적 위치 및 접속  
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