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Dissertations / Theses on the topic 'Southern Hemisphere Atmospheric Circulation Variability'

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1

Wilson, Aaron Benjamin. "Using the NCAR CAM 4 to Confirm SAM’s Modulation of the ENSO Teleconnection to Antarctica and Assess Changes to this Interaction during Various ENSO Flavor Events." The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1376919626.

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2

Byrne, Nicholas. "Deterministic models of Southern Hemisphere circulation variability." Thesis, University of Reading, 2017. http://centaur.reading.ac.uk/74253/.

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Statistical models of atmospheric variability typically attempt to account for deterministic seasonal variations by constructing a long-term average for each day or month of the year. Year-to-year variability can then be treated as some form of stochastic process about this long-term average. In general, the stochastic processes are assumed to be statistically stationary (invariant under time translation). However, for a non-linear system such as the Earth’s atmosphere, multiple seasonal evolutions may be possible for the same external forcing. In the presence of such a multiplicity of solutio
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3

Robinson, Dennis P. "Diagnostic studies of extratropical intraseasonal variability in the northern hemisphere." Diss., Available online, Georgia Institute of Technology, 2006, 2006. http://etd.gatech.edu/theses/available/etd-04102006-125331/.

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Thesis (Ph. D.)--Earth and Atmospheric Sciences, Georgia Institute of Technology, 2006.<br>Dickinson, Robert, Committee Member ; Black, Robert, Committee Chair ; Cunnold, Derek, Committee Member ; Fu, Rong, Committee Member ; Knox, John, Committee Member.
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4

Quadrelli, Roberta. "Patterns of climate variability of the Northern Hemisphere wintertime circulation /." Thesis, Connect to this title online; UW restricted, 2004. http://hdl.handle.net/1773/10058.

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5

Russell, Andrew. "Southern Hemisphere atmospheric circulation impacts on eastern Antarctic Peninsular precipitation." Thesis, University of Birmingham, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.419512.

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6

Su, Lin 1966. "A diagnostic study of the summer southern hemisphere circulation of the CCC general circulation model /." Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=60493.

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The medium scale planetary wave regime, consisting largely of zonal wavenumbers 5-7, frequently dominate the summer Southern Hemisphere tropospheric circulation. We perform a diagnostic study of this circulation as simulated by the Canadian Climate Centre (CCC) general circulation model (GCM). The analysis of Hovmoller diagrams, space-time and zonal wavenumber spectra shows that the CCC GCM is able to simulate the observed medium scale wave regime.<br>The zonally averaged meridional eddy heat and momentum transports and the associated baroclinic and barotropic energy conversions are also exami
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7

Connolly, Charlotte J. "Causes of Southern Hemisphere climate variability in the early 20th century." Ohio University Honors Tutorial College / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ouhonors1587217042363834.

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8

Cheng, Xinhua. "Linear and nonlinear aspects of the northern hemisphere wintertime variability in the 500 hPa height field /." Thesis, Connect to this title online; UW restricted, 1993. http://hdl.handle.net/1773/10027.

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9

Cao, Jing. "An investigation of transport during minor stratospheric warmings in the Southern Hemisphere." Diss., Georgia Institute of Technology, 1995. http://hdl.handle.net/1853/25964.

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10

Albuquerque, Cavalcanti Iracema Fonseca de. "Large scale disturbances in the southern hemisphere tropospheric circulation-model experiments and analyses of observed data." Thesis, University of Reading, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.305030.

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11

Botha, Ryno. "Variability and interannual trends in the climatology of radon-222 at two Southern Hemisphere coastal baseline sites." University of the Western Cape, 2021. http://hdl.handle.net/11394/8106.

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Philosophiae Doctor - PhD<br>This thesis characterises and discusses two continuous coastal Southern Hemispheric (SH) atmospheric radon (222Rn) signals. Large-scale atmospheric circulation patterns are important components of the climate system implicated in driving catastrophic events such as extreme droughts and mega-wildfires and radon measurements at coastal sites provide valuable information on interactions of terrestrial and oceanic air masses on regional to hemispheric scales. The main collaborating SH atmospheric observatories in this study are located at Cape Grim (CGO, Tasmania, 1992
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12

Hsu, Wei-Ching. "The variability and seasonal cycle of the Southern Ocean carbon flux." Thesis, Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/49079.

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Both physical circulation and biogeochemical characteristics are unique in the Southern Ocean (SO) region, and are fundamentally different from those of the northern hemisphere. Moreover, according to previous research, the oceanic response to the trend of the Southern Annual Mode (SAM) has profound impacts on the future oceanic uptake of carbon dioxide in the SO. In other words, the climate and circulation of the SO are strongly coupled to the overlying atmospheric variability. However, while we have understanding on the SO physical circulation and have the ability to predict the future chang
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13

Widlansky, Matthew J. "Climate dynamics of the South Pacific Convergence Zone and similarities with other subtropical convergence zones in the Southern Hemisphere." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/37095.

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Three semi-permanent cloud bands exist in the Southern Hemisphere extending southeastward from the equator, through the tropics, and into the subtropics. The most prominent of these features occurs in the South Pacific and is referred to as the South Pacific Convergence Zone (SPCZ). Similar convergence zones, with less intensity, exist in the South Atlantic (SACZ) and Indian (SICZ) oceans. We attempt to explain the physical mechanisms that promote the diagonal orientation of the SPCZ and the processes that determine the timescales of its variability. It is argued that the slowly varying sea su
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14

Verdy, Ariane. "Variability of zooplankton and sea surface temperature in the Southern Ocean." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/39197.

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Thesis (S.M.)--Joint Program in Physical Oceanography (Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences; and the Woods Hole Oceanographic Institution), 2006.<br>Includes bibliographical references (p. 69-74).<br>Interactions between physical and biological processes in the Southern Ocean have significant impacts on local ecosystems as well as on global climate. In this thesis, I present evidence that the Southern Ocean circulation affects the variability of zooplankton and sea surface temperature, both of which are involved in air-sea exchanges of carb
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15

Sleinkofer, Amanda M. "Antarctic Sea Ice Extent Reconstructions Throughout the 20th Century." Ohio University / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1620313247537371.

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16

Tomas, Robert A. "Subseasonal variability in the Southern Hemisphere as simulated by a two-level atmospheric general circulation model." Thesis, 1987. http://hdl.handle.net/1957/29076.

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The dynamical nature of atmospheric disturbances in the Southern Hemisphere simulated by a two-level general circulation (GCM) model is studied. Time series of the dependent variables and diabatic heating components from 10 Southern Hemisphere winters (JJA) and summers (DJF) simulated by the Oregon State University two-level GCM are used. The time mean fields are presented and discussed. Variance and covariance analyses are performed to determine the geographical distribution, intensities and transport properties of high-frequency (periods between 2.5 and 10 days) and low-frequency (periods be
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17

Borunda, Alejandra. "Tracing dust in the Southern Hemisphere over the last glacial cycle." Thesis, 2019. https://doi.org/10.7916/d8-rmak-qn20.

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Mineral dust both influences and is influenced by climate on many timescales, from seconds to epochs. Its complex interactions with the climate system are still being unraveled. For example, dust fluxes change in tandem with other records of past changes in climate, and dust source is often presumed to change as well, in response to shifts in climate conditions in source regions; changes in wind regimes; or changes in atmospheric transport pathways. In this work, I investigate dust records from the Southern Hemisphere from ice core and marine sediment core climate archives, looking at both flu
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18

Maity, Rajib. "Impact Of Large-Scale Coupled Atmospheric-Oceanic Circulation On Hydrologic Variability And Uncertainty Through Hydroclimatic Teleconnection." Thesis, 2007. http://hdl.handle.net/2005/721.

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In the recent scenario of climate change, the natural variability and uncertainty associated with the hydrologic variables is of great concern to the community. This thesis opens up a new area of multi-disciplinary research. It is a promising field of research in hydrology and water resources that uses the information from the field of atmospheric science. A new way to identify and capture the variability and uncertainty associated with the hydrologic variables is established through this thesis. Assessment of hydroclimatic teleconnection for Indian subcontinent and its use in basin-scale hydr
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19

Hameed, Saji N. "Simulations Of Tropical Surface Winds : Seasonal Cycle And Interannual Variability." Thesis, 1997. http://etd.iisc.ernet.in/handle/2005/1783.

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20

Xavier, Prince K. "Extended Range Predictability And Prediction Of Indian Summer Monsoon." Thesis, 2006. http://hdl.handle.net/2005/431.

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Indian summer monsoon (ISM) is an important component of the tropical climate system, known for its regular seasonality and abundance of rainfall over the country. The droughts and floods associated with the year-to-year variation of the average seasonal rainfall have devastating effect on people, agriculture and economy of this region. The demand for prediction of seasonal monsoon rainfall, therefore, is overwhelming. A number of attempts to predict the seasonal mean monsoon have been made over a century, but neither dynamical nor empirical models provide skillful forecasts of the extremes of
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