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Готові списки джерел за темами / Atmospheric mineral dust

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Статті в журналах

Добірка наукової літератури з теми "Atmospheric mineral dust"

Автор: Grafiati

Опубліковано: 14 березня 2023

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Статті в журналах з теми "Atmospheric mineral dust"

1

Jeong, G. Y., and E. P. Achterberg. "Chemistry and mineralogy of clay minerals in Asian and Saharan dusts and the implications for iron supply to the oceans." Atmospheric Chemistry and Physics 14, no. 22 (2014): 12415–28. http://dx.doi.org/10.5194/acp-14-12415-2014.

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Abstract. Mineral dust supplied to remote ocean regions stimulates phytoplankton growth through delivery of micronutrients, notably iron (Fe). Although attention is usually paid to Fe (hydr)oxides as major sources of available Fe, Fe-bearing clay minerals are typically the dominant phase in mineral dust. The mineralogy and chemistry of clay minerals in dust particles, however, are largely unknown. We conducted microscopic identification and chemical analysis of the clay minerals in Asian and Saharan dust particles. Cross-sectional slices of dust particles were prepared by focused ion beam (FIB

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2

Nickovic, S., A. Vukovic, M. Vujadinovic, V. Djurdjevic, and G. Pejanovic. "Technical Note: High-resolution mineralogical database of dust-productive soils for atmospheric dust modeling." Atmospheric Chemistry and Physics 12, no. 2 (2012): 845–55. http://dx.doi.org/10.5194/acp-12-845-2012.

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Abstract. Dust storms and associated mineral aerosol transport are driven primarily by meso- and synoptic-scale atmospheric processes. It is therefore essential that the dust aerosol process and background atmospheric conditions that drive dust emissions and atmospheric transport are represented with sufficiently well-resolved spatial and temporal features. The effects of airborne dust interactions with the environment determine the mineral composition of dust particles. The fractions of various minerals in aerosol are determined by the mineral composition of arid soils; therefore, a high-reso

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3

Nickovic, S., A. Vukovic, M. Vujadinovic, V. Djurdjevic, and G. Pejanovic. "Technical Note: Minerals in dust productive soils – impacts and global distribution." Atmospheric Chemistry and Physics Discussions 11, no. 9 (2011): 26009–34. http://dx.doi.org/10.5194/acpd-11-26009-2011.

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Abstract. Dust storms and associated mineral aerosol transport are mainly driven by meso and synoptic scale atmospheric processes. It is therefore essential that the dust aerosol process and background atmospheric conditions that drive the dust emission and atmospheric transport be represented with sufficiently well resolved spatial and temporal features. Effects of airborne dust interactions with the environment are determent by the mineral composition of dust particles. Fractions of various minerals in the aerosol are determined by the mineral composition of arid soils, therefore high-resolu

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4

Worthy, Soleil E., Anand Kumar, Yu Xi, et al. "The effect of (NH<sub>4</sub>)<sub>2</sub>SO<sub>4</sub> on the freezing properties of non-mineral dust ice-nucleating substances of atmospheric relevance." Atmospheric Chemistry and Physics 21, no. 19 (2021): 14631–48. http://dx.doi.org/10.5194/acp-21-14631-2021.

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Abstract. A wide range of materials including mineral dust, soil dust, and bioaerosols have been shown to act as ice nuclei in the atmosphere. During atmospheric transport, these materials can become coated with inorganic and organic solutes which may impact their ability to nucleate ice. While a number of studies have investigated the impact of solutes at low concentrations on ice nucleation by mineral dusts, very few studies have examined their impact on non-mineral dust ice nuclei. We studied the effect of dilute (NH4)2SO4 solutions (0.05 M) on immersion freezing of a variety of non-mineral

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5

Kaufmann, Lukas, Claudia Marcolli, Julian Hofer, Valeria Pinti, Christopher R. Hoyle, and Thomas Peter. "Ice nucleation efficiency of natural dust samples in the immersion mode." Atmospheric Chemistry and Physics 16, no. 17 (2016): 11177–206. http://dx.doi.org/10.5194/acp-16-11177-2016.

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Abstract. A total of 12 natural surface dust samples, which were surface-collected on four continents, most of them in dust source regions, were investigated with respect to their ice nucleation activity. Dust collection sites were distributed across Africa, South America, the Middle East, and Antarctica. Mineralogical composition has been determined by means of X-ray diffraction. All samples proved to be mixtures of minerals, with major contributions from quartz, calcite, clay minerals, K-feldspars, and (Na, Ca)-feldspars. Reference samples of these minerals were investigated with the same me

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6

Boose, Yvonne, André Welti, James Atkinson, et al. "Heterogeneous ice nucleation on dust particles sourced from nine deserts worldwide – Part 1: Immersion freezing." Atmospheric Chemistry and Physics 16, no. 23 (2016): 15075–95. http://dx.doi.org/10.5194/acp-16-15075-2016.

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Abstract. Desert dust is one of the most abundant ice nucleating particle types in the atmosphere. Traditionally, clay minerals were assumed to determine the ice nucleation ability of desert dust and constituted the focus of ice nucleation studies over several decades. Recently some feldspar species were identified to be ice active at much higher temperatures than clay minerals, redirecting studies to investigate the contribution of feldspar to ice nucleation on desert dust. However, so far no study has shown the atmospheric relevance of this mineral phase.For this study four dust samples were

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7

Langmann, Baerbel. "Volcanic Ash versus Mineral Dust: Atmospheric Processing and Environmental and Climate Impacts." ISRN Atmospheric Sciences 2013 (June 12, 2013): 1–17. http://dx.doi.org/10.1155/2013/245076.

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This review paper contrasts volcanic ash and mineral dust regarding their chemical and physical properties, sources, atmospheric load, deposition processes, atmospheric processing, and environmental and climate effects. Although there are substantial differences in the history of mineral dust and volcanic ash particles before they are released into the atmosphere, a number of similarities exist in atmospheric processing at ambient temperatures and environmental and climate impacts. By providing an overview on the differences and similarities between volcanic ash and mineral dust processes and

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8

Navea, Juan G., Haihan Chen, Min Huang, Gregory R. Carmichel, and Vicki H. Grassian. "A comparative evaluation of water uptake on several mineral dust sources." Environmental Chemistry 7, no. 2 (2010): 162. http://dx.doi.org/10.1071/en09122.

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Environmental context. Dust particles produced from wind blown soils are of global significance as these dust particles not only impact visibility, as evident in the recent 2009 Australian dust storm, but also atmospheric chemistry, climate and biogeochemical cycles. The amount of water vapour in the atmosphere (relative humidity) can play a role in these global processes yet there are few studies and little quantitative data on water-dust particle interactions. The focus of this research is on quantifying water-dust particle interactions for several dust sources including Asia and Africa wher

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9

Chen, Lanxiadi, Chao Peng, Wenjun Gu, et al. "On mineral dust aerosol hygroscopicity." Atmospheric Chemistry and Physics 20, no. 21 (2020): 13611–26. http://dx.doi.org/10.5194/acp-20-13611-2020.

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Abstract. Despite its importance, hygroscopicity of mineral dust aerosol remains highly uncertain. In this work, we investigated water adsorption and hygroscopicity of different mineral dust samples at 25 ∘C, via measurement of sample mass at different relative humidity (RH, up to 90 %) using a vapor sorption analyzer. Mineral dust samples examined (21 in total) included seven authentic mineral dust samples from different regions in the world and 14 major minerals contained in mineral dust aerosol. At 90 % RH, the mass ratios of adsorbed water to the dry mineral ranged from 0.0011 to 0.3080, l

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10

Takahashi, Y., M. Higashi, T. Furukawa, and S. Mitsunobu. "Change of iron species and iron solubility in Asian dust during the long-range transport from western China to Japan." Atmospheric Chemistry and Physics Discussions 11, no. 7 (2011): 19545–80. http://dx.doi.org/10.5194/acpd-11-19545-2011.

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Abstract. In the North Pacific, transport and deposition of mineral dust from Asia appear to be one of major sources of iron which can regulate growth of phytoplankton in the ocean. In this process, it is essential to identify chemical species of iron contained in Asian dust, because bioavailability of iron in the ocean is strongly influenced by the solubility of iron, which in turn is dependent on iron species in the dust. Here, we report that clay minerals (illite and chlorite) in the dusts near the source (western China) are transformed into ferrihydrite by atmospheric chemical processes du

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