Saharan dust outbreaks and iberulite episodes
Mineral dust aerosols coming from the arid and semiarid regions of the world can aggregate and form microspherulites under special atmospheric conditions. This is the case for iberulites, formed in the atmosphere from Saharan dust intrusions into the southern Iberian Peninsula during the summer, pro...
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| Autor*in: |
Diaz‐Hernandez, Jose L [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2016 |
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| Rechteinformationen: |
Nutzungsrecht: © 2016. American Geophysical Union. All Rights Reserved. |
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| Übergeordnetes Werk: |
Enthalten in: Journal of geophysical research / D - Washington, DC : Union, 1984, 121(2016), 12, Seite 7064-7078 |
|---|---|
| Übergeordnetes Werk: |
volume:121 ; year:2016 ; number:12 ; pages:7064-7078 |
| Links: |
|---|
| DOI / URN: |
10.1002/2016JD024913 |
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| 520 | |a Mineral dust aerosols coming from the arid and semiarid regions of the world can aggregate and form microspherulites under special atmospheric conditions. This is the case for iberulites, formed in the atmosphere from Saharan dust intrusions into the southern Iberian Peninsula during the summer, prompting a noteworthy case of dust accretion unique in the world. This study consists of a long‐term monitoring of Saharan dust outbreaks producing haze that reaches the southern Iberian Peninsula. Aerosol concentration, relative humidity, and temperature time series available at the ground stations in this area indicate sharp variations of these atmospheric variables during the iberulite‐forming events. Most of these events occurred during the summer (60%), with 65 episodes for the period 2005–2013, in which 107 plumes reached the Iberian Peninsula. Iberulite episodes lasted 5 days on average, during which an initial increase of particulate matter (PM) levels and temperature, accompanied by a decrease in relative humidity, was registered until the third day. These trends reversed when the plume began to abate. Our data also indicate that iberulites form during dusty episodes when a minimum threshold in the content of large aerosol particles (PM 10 ) reached concentrations above 15 µg × m −3 . Surface evaporation due to the sharply rising air temperatures give rise to clouds associated with the plume, where the water droplets that formed from condensation capture large amounts of aerosols as they fall. In this sense, muddy raindrop impacts with variable water:dust ratios recorded during red‐rain episodes are interpreted as the precursor of the iberulites. A singular process of dust aggregation is here proposed for the formation of iberulites. Investigate a singular process of mineral‐dust aggregation in the atmosphere Correlation of the evolution of Saharan dust outbreaks with aerosol concentration and iberulite‐forming events The establishment of a well‐defined threshold in the content of aerosol particles to form iberulite aggregates | ||
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| 650 | 4 | |a Saharan dust outbreaks | |
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10.1002/2016JD024913 doi PQ20160719 (DE-627)OLC1978036191 (DE-599)GBVOLC1978036191 (PRQ)wiley_primary_10_1002_2016JD024913_JGRD530630 (KEY)0137985220160000121001207064saharandustoutbreaksandiberuliteepisodes DE-627 ger DE-627 rakwb eng 550 DNB Diaz‐Hernandez, Jose L verfasserin aut Saharan dust outbreaks and iberulite episodes 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Mineral dust aerosols coming from the arid and semiarid regions of the world can aggregate and form microspherulites under special atmospheric conditions. This is the case for iberulites, formed in the atmosphere from Saharan dust intrusions into the southern Iberian Peninsula during the summer, prompting a noteworthy case of dust accretion unique in the world. This study consists of a long‐term monitoring of Saharan dust outbreaks producing haze that reaches the southern Iberian Peninsula. Aerosol concentration, relative humidity, and temperature time series available at the ground stations in this area indicate sharp variations of these atmospheric variables during the iberulite‐forming events. Most of these events occurred during the summer (60%), with 65 episodes for the period 2005–2013, in which 107 plumes reached the Iberian Peninsula. Iberulite episodes lasted 5 days on average, during which an initial increase of particulate matter (PM) levels and temperature, accompanied by a decrease in relative humidity, was registered until the third day. These trends reversed when the plume began to abate. Our data also indicate that iberulites form during dusty episodes when a minimum threshold in the content of large aerosol particles (PM 10 ) reached concentrations above 15 µg × m −3 . Surface evaporation due to the sharply rising air temperatures give rise to clouds associated with the plume, where the water droplets that formed from condensation capture large amounts of aerosols as they fall. In this sense, muddy raindrop impacts with variable water:dust ratios recorded during red‐rain episodes are interpreted as the precursor of the iberulites. A singular process of dust aggregation is here proposed for the formation of iberulites. Investigate a singular process of mineral‐dust aggregation in the atmosphere Correlation of the evolution of Saharan dust outbreaks with aerosol concentration and iberulite‐forming events The establishment of a well‐defined threshold in the content of aerosol particles to form iberulite aggregates Nutzungsrecht: © 2016. American Geophysical Union. All Rights Reserved. dust aggregation levels evolution of PM iberulite‐forming events Saharan dust outbreaks Sanchez‐Navas, Antonio oth Enthalten in Journal of geophysical research / D Washington, DC : Union, 1984 121(2016), 12, Seite 7064-7078 (DE-627)130444391 (DE-600)710256-2 (DE-576)015978818 2169-897X nnns volume:121 year:2016 number:12 pages:7064-7078 http://dx.doi.org/10.1002/2016JD024913 Volltext http://onlinelibrary.wiley.com/doi/10.1002/2016JD024913/abstract GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_62 GBV_ILN_154 AR 121 2016 12 7064-7078 |
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10.1002/2016JD024913 doi PQ20160719 (DE-627)OLC1978036191 (DE-599)GBVOLC1978036191 (PRQ)wiley_primary_10_1002_2016JD024913_JGRD530630 (KEY)0137985220160000121001207064saharandustoutbreaksandiberuliteepisodes DE-627 ger DE-627 rakwb eng 550 DNB Diaz‐Hernandez, Jose L verfasserin aut Saharan dust outbreaks and iberulite episodes 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Mineral dust aerosols coming from the arid and semiarid regions of the world can aggregate and form microspherulites under special atmospheric conditions. This is the case for iberulites, formed in the atmosphere from Saharan dust intrusions into the southern Iberian Peninsula during the summer, prompting a noteworthy case of dust accretion unique in the world. This study consists of a long‐term monitoring of Saharan dust outbreaks producing haze that reaches the southern Iberian Peninsula. Aerosol concentration, relative humidity, and temperature time series available at the ground stations in this area indicate sharp variations of these atmospheric variables during the iberulite‐forming events. Most of these events occurred during the summer (60%), with 65 episodes for the period 2005–2013, in which 107 plumes reached the Iberian Peninsula. Iberulite episodes lasted 5 days on average, during which an initial increase of particulate matter (PM) levels and temperature, accompanied by a decrease in relative humidity, was registered until the third day. These trends reversed when the plume began to abate. Our data also indicate that iberulites form during dusty episodes when a minimum threshold in the content of large aerosol particles (PM 10 ) reached concentrations above 15 µg × m −3 . Surface evaporation due to the sharply rising air temperatures give rise to clouds associated with the plume, where the water droplets that formed from condensation capture large amounts of aerosols as they fall. In this sense, muddy raindrop impacts with variable water:dust ratios recorded during red‐rain episodes are interpreted as the precursor of the iberulites. A singular process of dust aggregation is here proposed for the formation of iberulites. Investigate a singular process of mineral‐dust aggregation in the atmosphere Correlation of the evolution of Saharan dust outbreaks with aerosol concentration and iberulite‐forming events The establishment of a well‐defined threshold in the content of aerosol particles to form iberulite aggregates Nutzungsrecht: © 2016. American Geophysical Union. All Rights Reserved. dust aggregation levels evolution of PM iberulite‐forming events Saharan dust outbreaks Sanchez‐Navas, Antonio oth Enthalten in Journal of geophysical research / D Washington, DC : Union, 1984 121(2016), 12, Seite 7064-7078 (DE-627)130444391 (DE-600)710256-2 (DE-576)015978818 2169-897X nnns volume:121 year:2016 number:12 pages:7064-7078 http://dx.doi.org/10.1002/2016JD024913 Volltext http://onlinelibrary.wiley.com/doi/10.1002/2016JD024913/abstract GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_62 GBV_ILN_154 AR 121 2016 12 7064-7078 |
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10.1002/2016JD024913 doi PQ20160719 (DE-627)OLC1978036191 (DE-599)GBVOLC1978036191 (PRQ)wiley_primary_10_1002_2016JD024913_JGRD530630 (KEY)0137985220160000121001207064saharandustoutbreaksandiberuliteepisodes DE-627 ger DE-627 rakwb eng 550 DNB Diaz‐Hernandez, Jose L verfasserin aut Saharan dust outbreaks and iberulite episodes 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Mineral dust aerosols coming from the arid and semiarid regions of the world can aggregate and form microspherulites under special atmospheric conditions. This is the case for iberulites, formed in the atmosphere from Saharan dust intrusions into the southern Iberian Peninsula during the summer, prompting a noteworthy case of dust accretion unique in the world. This study consists of a long‐term monitoring of Saharan dust outbreaks producing haze that reaches the southern Iberian Peninsula. Aerosol concentration, relative humidity, and temperature time series available at the ground stations in this area indicate sharp variations of these atmospheric variables during the iberulite‐forming events. Most of these events occurred during the summer (60%), with 65 episodes for the period 2005–2013, in which 107 plumes reached the Iberian Peninsula. Iberulite episodes lasted 5 days on average, during which an initial increase of particulate matter (PM) levels and temperature, accompanied by a decrease in relative humidity, was registered until the third day. These trends reversed when the plume began to abate. Our data also indicate that iberulites form during dusty episodes when a minimum threshold in the content of large aerosol particles (PM 10 ) reached concentrations above 15 µg × m −3 . Surface evaporation due to the sharply rising air temperatures give rise to clouds associated with the plume, where the water droplets that formed from condensation capture large amounts of aerosols as they fall. In this sense, muddy raindrop impacts with variable water:dust ratios recorded during red‐rain episodes are interpreted as the precursor of the iberulites. A singular process of dust aggregation is here proposed for the formation of iberulites. Investigate a singular process of mineral‐dust aggregation in the atmosphere Correlation of the evolution of Saharan dust outbreaks with aerosol concentration and iberulite‐forming events The establishment of a well‐defined threshold in the content of aerosol particles to form iberulite aggregates Nutzungsrecht: © 2016. American Geophysical Union. All Rights Reserved. dust aggregation levels evolution of PM iberulite‐forming events Saharan dust outbreaks Sanchez‐Navas, Antonio oth Enthalten in Journal of geophysical research / D Washington, DC : Union, 1984 121(2016), 12, Seite 7064-7078 (DE-627)130444391 (DE-600)710256-2 (DE-576)015978818 2169-897X nnns volume:121 year:2016 number:12 pages:7064-7078 http://dx.doi.org/10.1002/2016JD024913 Volltext http://onlinelibrary.wiley.com/doi/10.1002/2016JD024913/abstract GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_62 GBV_ILN_154 AR 121 2016 12 7064-7078 |
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10.1002/2016JD024913 doi PQ20160719 (DE-627)OLC1978036191 (DE-599)GBVOLC1978036191 (PRQ)wiley_primary_10_1002_2016JD024913_JGRD530630 (KEY)0137985220160000121001207064saharandustoutbreaksandiberuliteepisodes DE-627 ger DE-627 rakwb eng 550 DNB Diaz‐Hernandez, Jose L verfasserin aut Saharan dust outbreaks and iberulite episodes 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Mineral dust aerosols coming from the arid and semiarid regions of the world can aggregate and form microspherulites under special atmospheric conditions. This is the case for iberulites, formed in the atmosphere from Saharan dust intrusions into the southern Iberian Peninsula during the summer, prompting a noteworthy case of dust accretion unique in the world. This study consists of a long‐term monitoring of Saharan dust outbreaks producing haze that reaches the southern Iberian Peninsula. Aerosol concentration, relative humidity, and temperature time series available at the ground stations in this area indicate sharp variations of these atmospheric variables during the iberulite‐forming events. Most of these events occurred during the summer (60%), with 65 episodes for the period 2005–2013, in which 107 plumes reached the Iberian Peninsula. Iberulite episodes lasted 5 days on average, during which an initial increase of particulate matter (PM) levels and temperature, accompanied by a decrease in relative humidity, was registered until the third day. These trends reversed when the plume began to abate. Our data also indicate that iberulites form during dusty episodes when a minimum threshold in the content of large aerosol particles (PM 10 ) reached concentrations above 15 µg × m −3 . Surface evaporation due to the sharply rising air temperatures give rise to clouds associated with the plume, where the water droplets that formed from condensation capture large amounts of aerosols as they fall. In this sense, muddy raindrop impacts with variable water:dust ratios recorded during red‐rain episodes are interpreted as the precursor of the iberulites. A singular process of dust aggregation is here proposed for the formation of iberulites. Investigate a singular process of mineral‐dust aggregation in the atmosphere Correlation of the evolution of Saharan dust outbreaks with aerosol concentration and iberulite‐forming events The establishment of a well‐defined threshold in the content of aerosol particles to form iberulite aggregates Nutzungsrecht: © 2016. American Geophysical Union. All Rights Reserved. dust aggregation levels evolution of PM iberulite‐forming events Saharan dust outbreaks Sanchez‐Navas, Antonio oth Enthalten in Journal of geophysical research / D Washington, DC : Union, 1984 121(2016), 12, Seite 7064-7078 (DE-627)130444391 (DE-600)710256-2 (DE-576)015978818 2169-897X nnns volume:121 year:2016 number:12 pages:7064-7078 http://dx.doi.org/10.1002/2016JD024913 Volltext http://onlinelibrary.wiley.com/doi/10.1002/2016JD024913/abstract GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_62 GBV_ILN_154 AR 121 2016 12 7064-7078 |
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10.1002/2016JD024913 doi PQ20160719 (DE-627)OLC1978036191 (DE-599)GBVOLC1978036191 (PRQ)wiley_primary_10_1002_2016JD024913_JGRD530630 (KEY)0137985220160000121001207064saharandustoutbreaksandiberuliteepisodes DE-627 ger DE-627 rakwb eng 550 DNB Diaz‐Hernandez, Jose L verfasserin aut Saharan dust outbreaks and iberulite episodes 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Mineral dust aerosols coming from the arid and semiarid regions of the world can aggregate and form microspherulites under special atmospheric conditions. This is the case for iberulites, formed in the atmosphere from Saharan dust intrusions into the southern Iberian Peninsula during the summer, prompting a noteworthy case of dust accretion unique in the world. This study consists of a long‐term monitoring of Saharan dust outbreaks producing haze that reaches the southern Iberian Peninsula. Aerosol concentration, relative humidity, and temperature time series available at the ground stations in this area indicate sharp variations of these atmospheric variables during the iberulite‐forming events. Most of these events occurred during the summer (60%), with 65 episodes for the period 2005–2013, in which 107 plumes reached the Iberian Peninsula. Iberulite episodes lasted 5 days on average, during which an initial increase of particulate matter (PM) levels and temperature, accompanied by a decrease in relative humidity, was registered until the third day. These trends reversed when the plume began to abate. Our data also indicate that iberulites form during dusty episodes when a minimum threshold in the content of large aerosol particles (PM 10 ) reached concentrations above 15 µg × m −3 . Surface evaporation due to the sharply rising air temperatures give rise to clouds associated with the plume, where the water droplets that formed from condensation capture large amounts of aerosols as they fall. In this sense, muddy raindrop impacts with variable water:dust ratios recorded during red‐rain episodes are interpreted as the precursor of the iberulites. A singular process of dust aggregation is here proposed for the formation of iberulites. Investigate a singular process of mineral‐dust aggregation in the atmosphere Correlation of the evolution of Saharan dust outbreaks with aerosol concentration and iberulite‐forming events The establishment of a well‐defined threshold in the content of aerosol particles to form iberulite aggregates Nutzungsrecht: © 2016. American Geophysical Union. All Rights Reserved. dust aggregation levels evolution of PM iberulite‐forming events Saharan dust outbreaks Sanchez‐Navas, Antonio oth Enthalten in Journal of geophysical research / D Washington, DC : Union, 1984 121(2016), 12, Seite 7064-7078 (DE-627)130444391 (DE-600)710256-2 (DE-576)015978818 2169-897X nnns volume:121 year:2016 number:12 pages:7064-7078 http://dx.doi.org/10.1002/2016JD024913 Volltext http://onlinelibrary.wiley.com/doi/10.1002/2016JD024913/abstract GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_62 GBV_ILN_154 AR 121 2016 12 7064-7078 |
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This is the case for iberulites, formed in the atmosphere from Saharan dust intrusions into the southern Iberian Peninsula during the summer, prompting a noteworthy case of dust accretion unique in the world. This study consists of a long‐term monitoring of Saharan dust outbreaks producing haze that reaches the southern Iberian Peninsula. Aerosol concentration, relative humidity, and temperature time series available at the ground stations in this area indicate sharp variations of these atmospheric variables during the iberulite‐forming events. Most of these events occurred during the summer (60%), with 65 episodes for the period 2005–2013, in which 107 plumes reached the Iberian Peninsula. Iberulite episodes lasted 5 days on average, during which an initial increase of particulate matter (PM) levels and temperature, accompanied by a decrease in relative humidity, was registered until the third day. These trends reversed when the plume began to abate. 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Diaz‐Hernandez, Jose L |
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saharan dust outbreaks and iberulite episodes |
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Saharan dust outbreaks and iberulite episodes |
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Mineral dust aerosols coming from the arid and semiarid regions of the world can aggregate and form microspherulites under special atmospheric conditions. This is the case for iberulites, formed in the atmosphere from Saharan dust intrusions into the southern Iberian Peninsula during the summer, prompting a noteworthy case of dust accretion unique in the world. This study consists of a long‐term monitoring of Saharan dust outbreaks producing haze that reaches the southern Iberian Peninsula. Aerosol concentration, relative humidity, and temperature time series available at the ground stations in this area indicate sharp variations of these atmospheric variables during the iberulite‐forming events. Most of these events occurred during the summer (60%), with 65 episodes for the period 2005–2013, in which 107 plumes reached the Iberian Peninsula. Iberulite episodes lasted 5 days on average, during which an initial increase of particulate matter (PM) levels and temperature, accompanied by a decrease in relative humidity, was registered until the third day. These trends reversed when the plume began to abate. Our data also indicate that iberulites form during dusty episodes when a minimum threshold in the content of large aerosol particles (PM 10 ) reached concentrations above 15 µg × m −3 . Surface evaporation due to the sharply rising air temperatures give rise to clouds associated with the plume, where the water droplets that formed from condensation capture large amounts of aerosols as they fall. In this sense, muddy raindrop impacts with variable water:dust ratios recorded during red‐rain episodes are interpreted as the precursor of the iberulites. A singular process of dust aggregation is here proposed for the formation of iberulites. Investigate a singular process of mineral‐dust aggregation in the atmosphere Correlation of the evolution of Saharan dust outbreaks with aerosol concentration and iberulite‐forming events The establishment of a well‐defined threshold in the content of aerosol particles to form iberulite aggregates |
| abstractGer |
Mineral dust aerosols coming from the arid and semiarid regions of the world can aggregate and form microspherulites under special atmospheric conditions. This is the case for iberulites, formed in the atmosphere from Saharan dust intrusions into the southern Iberian Peninsula during the summer, prompting a noteworthy case of dust accretion unique in the world. This study consists of a long‐term monitoring of Saharan dust outbreaks producing haze that reaches the southern Iberian Peninsula. Aerosol concentration, relative humidity, and temperature time series available at the ground stations in this area indicate sharp variations of these atmospheric variables during the iberulite‐forming events. Most of these events occurred during the summer (60%), with 65 episodes for the period 2005–2013, in which 107 plumes reached the Iberian Peninsula. Iberulite episodes lasted 5 days on average, during which an initial increase of particulate matter (PM) levels and temperature, accompanied by a decrease in relative humidity, was registered until the third day. These trends reversed when the plume began to abate. Our data also indicate that iberulites form during dusty episodes when a minimum threshold in the content of large aerosol particles (PM 10 ) reached concentrations above 15 µg × m −3 . Surface evaporation due to the sharply rising air temperatures give rise to clouds associated with the plume, where the water droplets that formed from condensation capture large amounts of aerosols as they fall. In this sense, muddy raindrop impacts with variable water:dust ratios recorded during red‐rain episodes are interpreted as the precursor of the iberulites. A singular process of dust aggregation is here proposed for the formation of iberulites. Investigate a singular process of mineral‐dust aggregation in the atmosphere Correlation of the evolution of Saharan dust outbreaks with aerosol concentration and iberulite‐forming events The establishment of a well‐defined threshold in the content of aerosol particles to form iberulite aggregates |
| abstract_unstemmed |
Mineral dust aerosols coming from the arid and semiarid regions of the world can aggregate and form microspherulites under special atmospheric conditions. This is the case for iberulites, formed in the atmosphere from Saharan dust intrusions into the southern Iberian Peninsula during the summer, prompting a noteworthy case of dust accretion unique in the world. This study consists of a long‐term monitoring of Saharan dust outbreaks producing haze that reaches the southern Iberian Peninsula. Aerosol concentration, relative humidity, and temperature time series available at the ground stations in this area indicate sharp variations of these atmospheric variables during the iberulite‐forming events. Most of these events occurred during the summer (60%), with 65 episodes for the period 2005–2013, in which 107 plumes reached the Iberian Peninsula. Iberulite episodes lasted 5 days on average, during which an initial increase of particulate matter (PM) levels and temperature, accompanied by a decrease in relative humidity, was registered until the third day. These trends reversed when the plume began to abate. Our data also indicate that iberulites form during dusty episodes when a minimum threshold in the content of large aerosol particles (PM 10 ) reached concentrations above 15 µg × m −3 . Surface evaporation due to the sharply rising air temperatures give rise to clouds associated with the plume, where the water droplets that formed from condensation capture large amounts of aerosols as they fall. In this sense, muddy raindrop impacts with variable water:dust ratios recorded during red‐rain episodes are interpreted as the precursor of the iberulites. A singular process of dust aggregation is here proposed for the formation of iberulites. Investigate a singular process of mineral‐dust aggregation in the atmosphere Correlation of the evolution of Saharan dust outbreaks with aerosol concentration and iberulite‐forming events The establishment of a well‐defined threshold in the content of aerosol particles to form iberulite aggregates |
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Saharan dust outbreaks and iberulite episodes |
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