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[1] By combining reconstruction of airmass backtrajectories from dust deposition sites in Europe and measurements of the (Nd) isotopic composition of deposited dust particles, potential sources of different Saharan dust events can be identified. The study of ‘‘red dust’ ’ events collected in France...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.143.6526 2023-05-15T17:32:28+02:00 1 Francis E. Grousset Paul Ginoux Aloys Bory Pierre E. Biscaye The Pennsylvania State University CiteSeerX Archives application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.143.6526 http://www.gfdl.noaa.gov/reference/bibliography/2003/feg0301.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.143.6526 http://www.gfdl.noaa.gov/reference/bibliography/2003/feg0301.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://www.gfdl.noaa.gov/reference/bibliography/2003/feg0301.pdf atmosphere—constituent transport and chemistry (3334 0368 text ftciteseerx 2016-01-07T15:03:07Z [1] By combining reconstruction of airmass backtrajectories from dust deposition sites in Europe and measurements of the (Nd) isotopic composition of deposited dust particles, potential sources of different Saharan dust events can be identified. The study of ‘‘red dust’ ’ events collected in France allowed us to identify distinct North African source areas (e.g. Lybia vs. Mauritania). Surprisingly, the airmass trajectory of one dust event (March 6, 1990) was distinct from the others, and revealed a Chinese origin. The Nd isotopic composition of this dust was consistent with the range of isotopic compositions of Chinese loess. Moreover, an atmospheric global model simulation reveals that a dust plume left China before February 25, 1990, flew over North America around the February/March transition and reached the French Alps by March 6, 1990, revealing that intercontinental dust and pollutant transport may occur across the Pacific Ocean and the North Atlantic at the Westerlies latitudes. Text North Atlantic Unknown Pacific |
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English |
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atmosphere—constituent transport and chemistry (3334 0368 |
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atmosphere—constituent transport and chemistry (3334 0368 Francis E. Grousset Paul Ginoux Aloys Bory Pierre E. Biscaye 1 |
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atmosphere—constituent transport and chemistry (3334 0368 |
description |
[1] By combining reconstruction of airmass backtrajectories from dust deposition sites in Europe and measurements of the (Nd) isotopic composition of deposited dust particles, potential sources of different Saharan dust events can be identified. The study of ‘‘red dust’ ’ events collected in France allowed us to identify distinct North African source areas (e.g. Lybia vs. Mauritania). Surprisingly, the airmass trajectory of one dust event (March 6, 1990) was distinct from the others, and revealed a Chinese origin. The Nd isotopic composition of this dust was consistent with the range of isotopic compositions of Chinese loess. Moreover, an atmospheric global model simulation reveals that a dust plume left China before February 25, 1990, flew over North America around the February/March transition and reached the French Alps by March 6, 1990, revealing that intercontinental dust and pollutant transport may occur across the Pacific Ocean and the North Atlantic at the Westerlies latitudes. |
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The Pennsylvania State University CiteSeerX Archives |
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Text |
author |
Francis E. Grousset Paul Ginoux Aloys Bory Pierre E. Biscaye |
author_facet |
Francis E. Grousset Paul Ginoux Aloys Bory Pierre E. Biscaye |
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Francis E. Grousset |
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http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.143.6526 http://www.gfdl.noaa.gov/reference/bibliography/2003/feg0301.pdf |
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Pacific |
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Pacific |
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North Atlantic |
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North Atlantic |
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http://www.gfdl.noaa.gov/reference/bibliography/2003/feg0301.pdf |
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http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.143.6526 http://www.gfdl.noaa.gov/reference/bibliography/2003/feg0301.pdf |
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Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
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