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Browse Dissertations and Theses - Atmospheric Sciences by Title
Now showing items 1-20 of 199
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(2017-12-06)Despite over 70 years of extensive research, the factors controlling how clouds entrain environmental air are still not well understood, a problem contributing to the poor quantitative precipitation forecast skill of ...
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(2004)Every year, a majority of all Atlantic hurricanes originate from African easterly waves. Yet, less than 20% of all African waves originate tropical cyclones (including hurricanes). It is of interest to investigate if African ...
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(2018-07-18)On 24 August 2016, a tornado outbreak that produced 24 confirmed tornadoes impacted portions of Indiana and Ohio. Initially elevated multicellular convection transitioned to surface-based supercells between 1700 and 1830 ...
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(2020-05-13)The primary goal of this research was to quantify occurrence frequencies of the two main proposed mechanisms of tornadogenesis in quasi-linear convective systems (QLCSs), namely, tilting and stretching (T&S) and HSI and ...
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(2016-11-04)The vertical motion and physical structure of elevated convection and generating cells within the comma heads of three continental winter cyclones are investigated using the Wyoming W-band Cloud Radar mounted on the NSF/NCAR ...
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(2018-04-18)El Nino Southern Oscillation (ENSO) can have global impacts across the world. Because of its prevalence, scientists run models to forecast its next move. Here, long-short-term-memory models (LSTM) were compared to linear ...
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(2016-12-05)The El Niño-Southern Oscillation (ENSO) is an important contributor to Earth’s inter-annual climate variability, with worldwide weather effects (Whetton and Rutherfurd, 1994; Hoerling and Zhong, 1997; Dai and Wigley, 2000). ...
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(2014-05-30)Relationships between synoptic activity and sea ice variability in the Arctic are studied using self-organizing maps (SOMs) to categorize observed weather patterns over the 1979-2010 period. The European Centre for ...
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(2015-01-16)Ice clouds have significant impacts on the Earth’s radiative budget. Their radiative impact highly depends on ice cloud microphysical properties. Climate and weather prediction models have to make certain assumptions about ...
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(2014-05-30)This study first provides an overview of the dynamic and thermodynamic evolution of tropical easterly waves (TEWs) for 164 named tropical storms over the Atlantic during 1989-2010 July-October. The evolution of precipitation ...
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(1993)We investigate the impact of tropical forcing on the predictability of the atmosphere in a two-layer spectral model. The focus is on the improvement of extended range forecasts in the extratropics from knowledge of the ...
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(2015-07-20)The projected increase in global air traffic raises concerns about the potential impact aviation emissions have on climate and air quality. Previous studies have shown that aircraft cruise emissions (emitted between 9-11 ...
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(1997)Unforced, subcritical nonlinear simulations fail to produce meaningful variability, indicating that forcing is necessary in maintaining the low-frequency variability in the barotropic system under subcritical condition. ...
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(1990)The first part of this thesis is a study of the dynamics of storm tracks from the perspective of local instability of a class of zonally inhomogeneous basic jet streams. An unstable local mode consists of a group of dominant ...
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(2014-01-16)Black carbon-containing aerosol particles (called BC particles hereafter) are a major particle type in the atmosphere. Their source is the incomplete combustion of carbon containing material, which means that except for ...
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(2014-09-16)The composition and properties of black carbon aerosol particles change continuously after emission during transport in the atmosphere. Coagulation, condensation, and photochemistry are contributing processes, collectively ...
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(2019-04-24)A Halo Photonics Doppler Wind LiDAR (LiDAR) was deployed during a lake-effect snow event over Lake Michigan to develop a method of processing and reviewing the data collected by the LiDAR, create a conceptual model of the ...
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(1991)The principal objective of this study is to determine whether or not the penetration of a passive tracer is analogous to the penetration of a greenhouse-gas-induced heating.
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(2011-05-25)Decadal mean temperatures show a warming over the past 60 years at individual stations in Alaska. This research examines corresponding changes in frequencies of extremes of temperature and precipitation based on daily ...
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Now showing items 1-20 of 199