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Rozprawy doktorskie na temat „Aeolian dust”

Autor: Grafiati

Data publikacji: 2 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Elatrash, Mokhtar Salem. "Aeolian dust emission, transport and deposition in Western Libya." Thesis, University of Nottingham, 2004. http://eprints.nottingham.ac.uk/12766/.

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Of numerous aeolian studies around the world, few have been dedicated to dust trapping in the Saharan regions and none is known in Libya. This research aims to explore the extent of dust activities in the western part of Libya, the main factors that influence dust entrainment and deposition, the likely regional emission sources transporting aerosol to this part of the country and ultimately to establish base line information in space and time based on a study area larger than the size of the UK. Dust trapping was carried out at thirty sites on a monthly basis starting from the beginning June 2

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von, Holdt Johanna R. C. "Aeolian dust emission dynamics across spatial scales: landforms, controls and characteristics." Doctoral thesis, University of Cape Town, 2018. http://hdl.handle.net/11427/28364.

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Variable erodibility (surface characteristics) and erosivity factors (meteorological conditions) result in dust emission dynamics being complex in both space and time. Accounting for localscale surface variability is critical to our understanding of dust emitting processes. This study identifies mineral dust using remote sensing, establishes emission thresholds through field measurements and identifies particle chemistry for major dust sources in the Central Namib Desert. Examining over 2000 Landsat images over a period from 1972 to 2016, identified 40 days of visually detectable dust, origina

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Nitschke, Nicholas Leigh. "Identification of aeolian dust mantles in the semi-arid Flinders Ranges, South Australia /." Title page, table of contents and abstract only, 2002. http://web4.library.adelaide.edu.au/theses/09ENVSH/09envshn732.pdf.

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Foroushani, Mansour Ahmadi [Verfasser], and Christian [Akademischer Betreuer] Opp. "Aeolian dust deposition rates in south-western Iran / Mansour Ahmadi Foroushani ; Betreuer: Christian Opp." Marburg : Philipps-Universität Marburg, 2020. http://d-nb.info/1220423602/34.

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Field, Jason Paul. "Differential Response of Wind and Water Erosion under Climatic Extremes and Alternate Land Management Practices." Diss., The University of Arizona, 2009. http://hdl.handle.net/10150/195786.

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Wind erosion and associated dust emissions play a fundamental role in many ecological processes, yet most ecological studies do not explicitly consider dust-driven processes despite the growing body of evidence suggesting that wind erosion is a key driver of land surface dynamics and many other environmentally relevant processes such as desertification. This study provides explicit support for a pervasive underlying but untested desertification hypothesis by showing that at the vegetation patch scale shrubs are significantly more efficient at capturing wind-blown sediment and other resources

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Dastrup, Dylan Binder. "Variations in Geochemistry and Mineralogy of Aeolian Dust Deposition to Mountains in Utah and Nevada, USA." BYU ScholarsArchive, 2016. https://scholarsarchive.byu.edu/etd/6539.

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Major and trace metal loading to mountains in the western US depends on dust sources, intensity of storms and their availability for transport during snowmelt and runoff. Previous work has been conducted on dust production, composition, and its affect on solar radiation and timing of snow melt. This study was conducted to 1) examine temporal and spatial variability in dust chemistry; 2) evaluate form and availability of major and trace elements in dust; and 3) identify potential dust sources affecting mountains in Utah and Nevada. Spring and summertime dust was collected across northern Utah o

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Deuerling, Kelly M. "Aeolian Sediments of the McMurdo Dry Valleys, Antarctica." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1290524862.

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Hill, Polly Georgiana. "Bacterioplankton dynamics in surface waters of the north-eastern (sub-)tropical Atlantic Ocean affected by Aeolian dust." Thesis, University of Southampton, 2010. https://eprints.soton.ac.uk/168937/.

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The microbial community dominates biogeochemical cycling of the ocean, affecting global climate. The impact of physical disturbance of near surface microbial populations was studied in the northeastern tropical and subtropical Atlantic Ocean. This region lies beneath easterly trade winds, resulting in strong perturbations in terms of wind driven mixing and Aeolian dust deposition. Firstly, the region’s surface water bacterioplankton community was compared with adjacent regions in terms of metabolic activity, by measuring the uptake rates of radioactively labelled amino acids (3H-leucine and 35

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Diaz, Melisa A. "Spatial and Temporal Geochemical Characterization of Aeolian Material from the McMurdo Dry Valleys, Antarctica." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1500468216147725.

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Walker, Beau Jensen. "The Interaction of Aeolian and Fluvial Processes in Dry Washes on the Colorado Plateau, USA." BYU ScholarsArchive, 2014. https://scholarsarchive.byu.edu/etd/5597.

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In the past decade there has been a call for integrated studies that examine the interaction of fluvial and aeolian processes (Belnap et al., 2011; Bullard and Livingstone, 2002). In this study, we examined the role of land-use, weather, and soil type on the flux of aeolian material into dry washes on the Colorado Plateau in central Utah, USA, and western Colorado, USA. Our goal was to quantify the impact of individual deposition and erosion events by correlating weather and land-use data with a combination of measurement methods including dust collection via dust traps, GPS surveying, and cl

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Al, Dwaikat Hadeel Majed. "Air pollution by aeolian dusts in Amman and Levant Jordan : environmental controls and potential health hazards." Thesis, Coventry University, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.436265.

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Ganbat, Amgalan, and 甘永萍. "A Study on Aeolian Dust Event in Mongoli." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/77633217967667147066.

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博士<br>國立中央大學<br>大氣科學學系<br>104<br>This study presents the spatiotemporal distribution and regional trend in dust event, and the impact of surface wind and precipitation on dust occurrences in Mongolia. We used data collected between 2000 and 2013 from 113 meteorological stations for natural zones of the forest steppe, steppe, the Gobi Desert and the mountains. Generally this thesis can be divided three parts as 1) spatiotemporal characterization of dust event in Mongolia; 2) we analyzed the relationship between dusty days, which is derived the sum of days with dust storm and/or drifting dust, a

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SHAN, PING-HAN, and 沈秉翰. "Evaluation of the Effectiveness of Aeolian Dust Control." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/3ax55n.

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碩士<br>大葉大學<br>環境工程學系研究所<br>106<br>Dajiaxi and Da'anxi, both located in central Taiwan, belong to the desert-type river. In the winter, the central mountain range blocks the moisture of the northeast monsoon. When the river enters the dry season, the water volume decreases, the bare ground gradually emerges, and the monsoon prevails and the agricultural soil is turned over. The impact of the dust problem is aggravated; this study conducts atmospheric aerosol sampling and testing in Dajia and Da'anxi in summer and winter, and the concentration is different for the dust control method, bare groun

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Hsieh, Cheng-Ting, and 謝政廷. "Chemical Characteristics of Particulates during Aeolian Dust and Dust Storms Events at Yun-Lin Area." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/76970553742299635334.

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碩士<br>環球科技大學<br>環境資源管理所<br>101<br>This study proceeded samplings of ambient aerosol from July 30th, 2009 to May 26th, 2010 at Yun-Lin Area. During this period, there were a sevear Aeolian Dust happened on November 2nd, 2009, and a dust Storm event during March 21st to 22nd, 2010. In order to understand the chemical compositions of suspended particulate matters, and the degree of contribution from sources, analysis of mass concentrations, water-soluble ions, and trace elements were carried out. In the early morning of November 2nd, 2009, a strong gaze raised a lot of dusts from the naked bed re

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Chang, Jen-Haun, and 張楨驩. "Wind Erosion and Aeolian Dust Control Strategies for Peinan River Estuary." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/11865808664601587075.

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博士<br>國立中興大學<br>水土保持學系所<br>98<br>Extreme events, resulted from climate change, caused wide variation in the flow of river and creeks, not only in frequency of high flow period being found decreased, but also flow fluctuated substantially.As low flow period prolonged, the exposed river banks and riverbed expanded. Sand-stilling work became a major concern to the neighborhood. Peinan River, One of the main rivers and creeks in the east of Taiwan, has been found an wide flow difference in low flood period and dry season; its riverbed exposed to a wider area in dry season. The sand swept by the wi

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Wang, Chih-Yun, and 王之云. "Establishment and Application of Estimation Model for Aeolian Dust in Zhuo-Shui River." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/5n4y5y.

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碩士<br>國立中興大學<br>水土保持學系所<br>106<br>Due to the decrease of river discharge during the dry season, the water level of the Zhuo-Shui River is reduced. As a result, the river bed is exposed. With the lack of vegetation and water coverage, the small soil particles are prone to be blown by the winter monsoon and float in the air to become suspended particles, causing severe dust problems in the atmosphere, and will threaten local residents’ life and health. Besides meteorological conditions, soil moisture is also one of the impact factors for the occurrence of dust. Bare lands are generally the sourc

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"Active Dust Devils on Mars: A Comparison of Six Spacecraft Landing Sites." Master's thesis, 2011. http://hdl.handle.net/2286/R.I.9212.

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abstract: Dust devils have proven to be commonplace on Mars, although their occurrence is unevenly distributed across the surface. They were imaged or inferred by all six successful landed spacecraft: the Viking 1 and 2 Landers (VL-1 and VL-2), Mars Pathfinder Lander, the Mars Exploration Rovers Spirit and Opportunity, and the Phoenix Mars Lander. Comparisons of dust devil parameters were based on results from optical and meteorological (MET) detection campaigns. Spatial variations were determined based on comparisons of their frequency, morphology, and behavior. The Spirit data spanning three

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Qian, Yao. "Environmental magnetism of eastern Mediterranean sediments and aeolian dust flux changes over orbital timescales." Phd thesis, 2021. http://hdl.handle.net/1885/242794.

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Magnetic techniques have been used widely in environmental studies for the past few decades. Environmental magnetism typically involves conventional room temperature measurements of bulk magnetic parameters and more advanced component-specific magnetic approaches. Conventional bulk parameters can provide continuous records of magnetic mineral concentration and/or particle size variations in sediments, respectively. However, such parameters are not necessarily well suited to identifying magnetic components within individual magnetic mineral assemblages. More advanced techniques, such as first-o

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Hesse, Paul Phillip. "A quaternary record of the Australian environment from aeolian dust in Tasman Sea sediments." Phd thesis, 1993. http://hdl.handle.net/1885/140396.

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Sibanda, Isaiah. "Characterization and comparison of aeolian dust collected by horizontal flux gauges and vertical deposit gauges." Thesis, 2010. http://hdl.handle.net/10539/7729.

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Windblown dust is often a major nuisance problem faced in South African urban and near urban areas due to the prevailing dry climatic conditions, extensive surface mining and mineral processing. Dust deposit gauges single and double bucket are widely used in South Africa to monitor fugitive dust. The use of bucket deposit gauges in areas where predominant wind speeds are greater than 2 m.s-1, has yielded very poor collection efficiency (typical recoveries being < 20%). A wedge dust flux gauge has been designed and manufactured. The collection efficiency of the Modified Wedge Dust Flux Ga

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Fanjiang, Ming-Wei, and 范姜明威. "Investigation and Study of Aeolian Sand and Fugitive dust on the Estuaries in Central Taiwan." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/58448375243716186503.

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碩士<br>國立中興大學<br>水土保持學系所<br>98<br>The purpose of this study is appreciate the movement mechanism of sand so that it can conduct observation of particle diameter of sand, wind speed, and moisture content between current site and wind tunnel and that of particle diameter of diverse fugitive dust, wind speed, and height. The experiment will extract sand from Da-an Stream, Da-jia Stream, and costal area of Wu Stream. As indicated from analyzed results of particle diameter of sand, the soil quality from that of Da-an Stream is of loamy sand, while that from Da-jia Stream and Wu Stream is of sandy oi

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Remenyi, TA. "Investigating the impact of aeolian deposition to the Southern Ocean using dissolved aluminium concentrations." Thesis, 2013. https://eprints.utas.edu.au/17121/10/Whole_Remenyi_thesis.pdf.

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Atmospheric dust deposition (aeolian deposition) is thought to be an important source of biolimiting trace elements to the Southern Ocean (SO). Aluminium (Al) has been established as a proxy for dust deposition due to its limited role biologically, short residence times in the surface ocean and supply mechanisms to the open ocean that are typically dominated by atmospheric delivery of dust. Prior to this study, Al distributions within Australian sector of the SO had not been investigated thoroughly and atmospheric dust deposition was poorly constrained by field observations. This PhD project p

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Shiga, Yuki. "Dust and terrestrial salt (NaC1) in SE Australia : implications for Aeolian co-transportation and co-deposition." Master's thesis, 2009. http://hdl.handle.net/1885/148226.

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"Wind-driven Modification of Small Bedforms in Gusev Crater, Mars." Master's thesis, 2016. http://hdl.handle.net/2286/R.I.40328.

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abstract: ABSTRACT The Spirit landing site in Gusev Crater has been imaged by the Mars Reconnaissance Orbiter High Resolution Imaging Science Experiment (HiRISE) camera more than thirty times since 2006. The breadth of this image set allowed a study of changes to surface features, covering four Mars years. Small fields of bedforms comprised of dark material, and dark dust devil tracks are among the features revealed in the images. The bedforms are constrained within craters on the plains, and unconstrained in depressions less than 200m wide within the topography of the Columbia Hills, a ~1

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Lu, Chun-Chung, and 盧俊中. "Influences of Aeolian Dust Emitted from Bare Lands in Kaoping River on Regional Ambient Particulates and Their Physiochemical Characteristics, Indicators, and Source Appointments." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/5dmns3.

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博士<br>國立中山大學<br>環境工程研究所<br>106<br>Aeolian dust episodes (ADEs) are emerging disasters occurred from the bare lands of the Kaoping River in southern Taiwan due to typhoons or thermal convections. Four manual sampling sites located along the Kaoping River were conducted to collect PM10 (aerodynamic diameter ≤ 10 μm) with high-volume samplers in an ADE and on regular days in 2012, as well as PM2.5 (aerodynamic diameter ≤ 2.5 μm) and PM2.5–10 (aerodynamic diameter 2.5–10 μm) in six ADEs in 2013. Additionally, soil samples were collected at five potential locations on the surface of bare lands alon

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Chaput, Amélie. "Distribution en taille des particules et nutriments : relation entre le matériel parental et la poussière minérale en désert côtier de la Namibie." Thesis, 2020. http://hdl.handle.net/1866/24221.

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Le rôle des particules de poussières comporte une grande incertitude des modèles climatiques, alors qu’ils constituent une grande influence sur le bilan radiatif global et l’apport en nutriments pour divers écosystèmes. Ce projet de recherche permet d’évaluer la composition de particules de poussières en Namibie, en fonction de trois vallées constituées de rivières éphémères en région côtière. La sélection des vallées s’est basée sur leur fréquence importante d’émissivité, observée par image satellitaire. En 2017, des mesures en temps réel ont été prises ainsi que des échantillons de surface,

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Chiang, Mon-Ling, and 江孟玲. "A study of warning mechanism establishment and suppression technology selection for aeolain dust." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/84837824181425873594.

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博士<br>國立中興大學<br>水土保持學系所<br>104<br>The plain in western Taiwan is usually the flooding area of main rivers originating from the Central Mountain Range. In recent half century, the flooding and sediment transportation of river was controlled and limited in the cannel owing to hydraulic construction, but the particle size distribution of the river bed from midstream to downstream was unnatural compared with natural rivers, especially in the Zhuo-shui River. The river dust at the estuary of the Zhuo-shui River is a cyclic and common environmental phenomenon. Therefore, it would be crucial to provi

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Faria, Raquel Almeida de Azevedo. "Numerical and experimental study of granular piles when subjected to wind erosion." Doctoral thesis, 2018. http://hdl.handle.net/10316/80740.

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Tese de doutoramento em Engenharia Mecânica, no ramo de Aerodinâmica Industrial e Engenharia do Vento, apresentada ao Departamento de Engenharia Mecânica da Faculdade de Ciências e Tecnologia da Universidade de Coimbra<br>The transport of soil particles by wind is of enormous relevance in a wide range of events from those related to agriculture (e.g., seed transport) to the formation and modification of the landscape. A classic example is sand dunes, which can be formed, moved, or entirely eroded due to aeolian processes. Still, aeolian transport of particles may cause serious damage in transp

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