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Thermal Conductivity Measurements Across a Pressure-Induced Phase Transition: Application to Heat Flow in Earth's Interior

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자료유형	E-Book
개인저자	McGuire, Christopher.
단체저자명	University of California, Los Angeles. Geology.
서명/저자사항	Thermal Conductivity Measurements Across a Pressure-Induced Phase Transition: Application to Heat Flow in Earth's Interior.
발행사항	[S.l.] : University of California, Los Angeles., 2018
발행사항	Ann Arbor : ProQuest Dissertations & Theses, 2018
형태사항	144 p.
소장본 주기	School code: 0031.
ISBN	9780438068810
일반주기	Source: Dissertation Abstracts International, Volume: 79-11(E), Section: B. Adviser: Abby Kavner.
요약	The thermal conductivity of minerals in Earth's lowermost mantle is important for the thermal and chemical evolution of Earth. In the thermal boundary layer separating the core and mantle, the bulk thermal conductivity helps determine the heat f
요약	In this dissertation, I build on a new method to measure thermal conductivity at high pressures and temperatures using continuous wave laser heating in the diamond anvil cell and apply it to pressure induced phase transitions. I test the method
요약	I use the method developed for ionic salts and apply it to the mantle mineral, ferropericlase, (Mg,Fe)O, over the pressure range of 22 GPa to 61 GPa. This range of pressure includes the reported spin transition of octahedrally coordinated iron,
요약	Combining new ferropericlase thermal conductivity measurements with those of bridgmanite, and accounting for the spin transition, an updated thermal conductivity profile for the mantle can be calculated. The spin transition reduction has only a
요약	The thermal conductivity depth dependence of ferropericlase and bridgmanite using the methods in this dissertation result in a CMB bulk thermal conductivity of 5.2 W/mK. Accounting for uncertainty in the thickness and temperature change across t
요약	In a separate study, I use an analogous application of the heat equation to model the mass transport of sediment on hillslopes. Hillslope processes are important for understanding how surface landforms evolve over time. The application of linear
일반주제명	Geophysics. Geology.
언어	영어
기본자료 저록	Dissertation Abstracts International79-11B(E). Dissertation Abstract International
대출바로가기	http://www.riss.kr/pdu/ddodLink.do?id=T14999076