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 16 of 16 for “"dust storm"”.
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Automated dust storm detection using satellite images. Development of a computer system for the detection of dust storms from MODIS satellite images and the creation of a new dust storm database
Dust storms are one of the natural hazards, which have increased in frequency in the recent years over Sahara desert, Australia, the Arabian Desert, Turkmenistan and northern China, which have worsened during the last decade. Dust storms increase air pollution, impact on urban areas and farms as …
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Vidicon observations of Mars : images of the October, 1973 dust storm and two-dimensional narrow-band photometry.
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Earth and Planetary Sciences, 1975.
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Atmospheric Dynamics of Sub-Tropical Dust Storms
… Harmattan, Saudi Arabian, and Bodélé Depression dust storms. For each dust storm case study, MERRA reanalysis datasets, WRF simulated very high resolution datasets, MODIS/Aqua and Terra images, EUMETSAT images, NAAPS aerosol modelling plots, CALIPSO images, surface observations, and rawinsonde …
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Integrated impact analysis of yellow-dust storms : a regional case study in China
The dust storm is a meteorological event that is caused by strong winds and proceeds from arid and semi-arid regions, transporting a thick cloud of fine sediments. In China, the sediments of dust storms mainly come from the desert and thus are called "yellow-dust storms." Although these storms can …
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Tracking Dust Plumes and Identifying Source Areas Using Spatiotemporal Clustering of Remote Sensing Data
Traditionally, studies on dust relied on polar-orbiting satellites whose limited tempo-ral coverage does not offer a detailed picture of how dust plumes evolve and change over time. To address this, we develop a method to identify and track individual dust plumes via hourly images from the Meteosat …
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Predictive Analysis of Arizona Dust Storms (1996–2023): GIS, Artificial Intelligence (MaxEnt), and Spatiotemporal Data
… well Maximum Entropy (MaxEnt) model can predict duststorms in Arizona, United States. MaxEnt is a machine learning tool that was first developed to predict where different species might live. MaxEnt uses presence-only data which makes it especially useful in environments where reliable absence …
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Mechanisms of Interactions between Aerosol Physics and Atmospheric Dynamics
… novel insights into mechanistic interactions of dust and smoke particles with large-scale climate dynamics. This study revealed that the variability Saharan dust radiative properties is significantly linked to high-frequency atmospheric wave activity across the tropical Atlantic storm tracks, …
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Determining ground-level composition and concentration of particulate matter across regional areas using the Himawari-8 satellite
… to understand and mitigate health impacts from dust storms, wildfires and other aerosol emissions. Globally, surface monitoring is limited due to cost and infrastructure demands. While remote sensing can help estimate respirable (i.e. ground level) concentrations, current observations are …
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Unraveling the Mystery of Extreme trans-Atlantic African Dust Events: Insights from Case Studies
North Africa is the world’s largest source of dust. Each summer, the Saharan Air Layer transports massive amounts of mineral dust across the Atlantic Ocean, affecting weather, climate, ecosystem, and public health across large areas. While considerable attention has been devoted to extreme events …
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An analysis of drivers of seawater temperature in Kuwait Bay, Arabian Gulf
… temperature after 2004 as a result of increasing dust storm frequency in the region. Air temperature was found to be the most dominant driver of seawater temperature in Kuwait Bay and operates at a regional scale. At the local scale the seawater temperature of Kuwait Bay is influenced by …
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Proton Aurora at Mars: Assessing the Characteristics, Variability, and Driving Mechanisms of a Newly Discovered Phenomenon
… neutral lower atmosphere, the onset of Martian dust storm season, higher atmospheric temperatures and solar wind flux following perihelion, and seasonally increased coronal hydrogen column densities.</p> <p>I compare remote sensing and in situ observations of Martian proton aurora events. By …
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Variability, origin and physical characteristics of dust aerosol in Iceland
… of the total particulate air pollution. Less industrialized and inhibited regions, such as deserts, can contribute remarkably to air pollution. Iceland is a good example of such areas. The trends in long-term dust activity in Iceland and results from the pioneer field experiments on dust …
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Bacterioplankton dynamics in surface waters of the north-eastern (sub-)tropical Atlantic Ocean affected by Aeolian dust
… in terms of wind driven mixing and Aeolian dust deposition.<br/>Firstly, the region’s surface water bacterioplankton community was compared with adjacent<br/>regions in terms of metabolic activity, by measuring the uptake rates of radioactively labelled<br/>amino acids (3H-leucine and …
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Evaluating different remote sensing techniques for detection of Saharan dust and characterisation of dust sources
Mineral dust aerosols play an important role in climate and the Earth's energy budget. However, the nature and complexity of dust sources is poorly understood. Traditional techniques used for mapping the Sahara dust sources like the analysis of surface dust observations, back trajectory analysis of …
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Essays in urban and public economics
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2024-08-01
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Multi-Scale Atmospheric Dynamics of Extreme Saharan Dust Storms Resulting in Dust Transport Out of Africa to Iberia and the Atlantic
… meteorological processes that organize Saharan dust plumes and their subsequent long-range transport is a major global concern. However, the state-of-the-science of the meteorological forcing mechanisms for dust emission over the complex terrain of North Africa is incomplete due to very few …