Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 22 for “"meridional circulation"”.
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Meridional circulation in the tropical North Atlantic
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1992.
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Southern hemisphereic meridional circulation during the IGY
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Meteorology, 1962.
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Indirect measurement of the mean meridional circulation in the southern hemisphere
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Meteorology, 1964.
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Axisymmetric theory and the interactive, asymmetric monsoon
… theory of angular momentum conserving circulations to the large-scale steady monsoon is studied in a general circulation model with idealized representations of continental geometry and simple physics. The axisymmetric theory is expanded to explain the location of the monsoon; assuming …
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On the mechanism of the large-scale seasonally varying upwelling in the region of the tropical tropopause
… mass exchange. The global-scale mean meridional circulation in the lower stratosphere and the upward branch of the tropospheric Hadley circulation which form the two interrelated parts of atmospheric dynamics in the region of the tropical tropopause are considered together. The …
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Inhomogeneous potential vorticity homogenization and equilibrium in simple models of baroclinic instability with implications for the extratropical circulation by Pablo Zurita-Gotor.
… eddies are an important component of the General Circulation which regulate the extratropical climate by transporting heat and momentum. An idealization of this feedback is provided by baroclinic adjustment theories (Stone, 1978), which envision a linearly neutralized mean state. Based on the …
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A zonally and annually averaged study of potential early Martian atmospheres
… models are hence not well suited for considering meridional variations in the temperature profile, which are affected by variations in the orbital obliquity and the meridional redistribution of heat by dynamic processes. I describe modifications to a more complex model, the multi-level energy …
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Cross-shelf exchange driven by dense flow down a canyon
… Bottom Water and thus affects the global meridional circulation; 2. The onshore heat transport induced by the return flow drives glacial ice melt and therefore contributes to sea level rise.
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Cross-Shelf Exchange Driven by Dense Flow Down a Canyon
… Bottom Water and thus affects the global meridional circulation; 2. The onshore heat transport induced by the return flow drives glacial ice melt and therefore contributes to sea level rise.
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Studies of wave-mean interaction relevant to the middle atmospheric circulation
… and the $\textit{generalized Lagrangian-mean}$ meridional circulation is not always negligible. A sharp-edge model on the polar y-plane is introduced in Chapter 5 to study Rossby waves associated with the polar vortex. Results show that the vortex edge can support both free travelling and forced …
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A 2 1/2 dimensional thermohaline circulation model with boundary mixing
… dimensional dynamical model of Thermohaline circulation (THC) is developed, assuming that the mixing only occurs near western and eastern boundary layers. When the surface density is prescribed, the climatically important quantities, such as the strength of overturning and meridional heat …
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A 2 1/2 dimensional thermohaline circulation model with boundary mixing
… dimensional dynamical model of Thermohaline circulation (THC) is developed, assuming that the mixing only occurs near western and eastern boundary layers. When the surface density is prescribed, the climatically important quantities, such as the strength of overturning and meridional heat …
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Zonally symmetric monsoon dynamics in a general circulation model
The MIT general circulation model is used with simplified setup to study steady zonally averaged monsoon circulations. Two dimensional model runs are made with a zonally symmetric continent north of 15N and a slab ocean of uniform sea surface temperature to study the applicability of axisymmetric …
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Formation and stability of the solar tachocline in MHD simulations
… simulations including additional effects like meridional circulation. It is shown that a relic field of 1~Gauss or smaller would be sufficient to explain the observed thickness of the tachocline. The stability of the solar tachocline is addressed as the next part of the problem. It is shown …
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On the nature of the atmospheric cloud radiative effect and its impact on tropical convection
… sea surface temperatures are at a maximum. The meridional gradient in ACRE requires greater poleward energy transport. Thus, despite the increase in stability, the mean meridional circulation intensifies to export more energy out of the tropics. Finally, we show that the increase in stability …
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Rotation and magnetism in massive stars
… of the centrifugal force, turbulent mixing and meridional circulation can dramatically affect a star's chemical evolution. This leads to changes in the surface temperature and luminosity as well as modifying its lifetime. Rotation decreases the surface gravity, causes enhanced mass loss and …
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Modulation of South African summer rainfall by global climatic processes
… potential and derived parameters (the Zonal Circulation and Meridional Circulation Indices). The results suggest that the vertical tropospheric cells are among the important associated components which modulate climate across southern Africa, and that broad scale flows have an impact upon …
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The representation of the Kalahari thermal low and its induced circulations over Southern Africa in observations and models
… the accurate representation of the Hadley circulations over southern Africa revealed the coexistence of both shallow and deep Hadley circulations over southern Africa. The deep mode is characterized by a strong convection that occurs over the tropical southern Africa (between 25o–15oS). The …
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The representation of the Kalahari Thermal Low and its induced circulations over southern Africa in observations and models
… the accurate representation of the Hadley circulations over southern Africa revealed the coexistence of both shallow and deep Hadley circulations over southern Africa. The deep mode is characterized by a strong convection that occurs over the tropical southern Africa (between 25o–15oS). The …
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Generation and maintenance of recirculations by Gulf Stream instabilities
… the problems of generation and maintenance of recirculations by Gulf Stream instabilities. Observations show that the horizontal structure of the jet and its recirculations suffer significant changes in time. Here, the role of internal dynamics of the jet is isolated as one of the possible …
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