Influence of Atmospheric Processes on the Solubility and Composition of Iron in Saharan Dust
00000 ăWOS:000379366300039 International audience Aerosol iron was examined in Saharan dust plumes using a combination of iron near-edge X-ray absorption spectroscopy and wet-chemical techniques. Aerosol samples were collected at three sites located in the Mediterranean, the Atlantic, and Bermuda to...
Published in: | Environmental Science & Technology |
---|---|
Main Authors: | , , , , , , , , |
Other Authors: | , , , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
HAL CCSD
2016
|
Subjects: | |
Online Access: | https://hal.science/hal-01483179 https://doi.org/10.1021/acs.est.6b02605 |
id |
ftunivbrest:oai:HAL:hal-01483179v1 |
---|---|
record_format |
openpolar |
spelling |
ftunivbrest:oai:HAL:hal-01483179v1 2024-02-11T10:08:51+01:00 Influence of Atmospheric Processes on the Solubility and Composition of Iron in Saharan Dust Longo, Amelia F. Feng, Yan Lai, Barry Landing, William M. Shelley, Rachel U. Nenes, Athanasios Mihalopoulos, Nikolaos Violaki, Kalliopi Ingall, Ellery D. School of Earth and Atmospheric Sciences Atlanta Georgia Institute of Technology Atlanta Advanced Photon Source ANL (APS) Argonne National Laboratory Lemont (ANL)-University of Chicago-US Department of Energy Argonne National Laboratory Lemont (ANL) Department of Earth, Ocean and Atmospheric Science Tallahassee (FSU Florida State University Tallahassee (FSU) Laboratoire des Sciences de l'Environnement Marin (LEMAR) (LEMAR) Institut de Recherche pour le Développement (IRD)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Université de Brest (UBO)-Institut Universitaire Européen de la Mer (IUEM) Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS) Foundation for Research and Technology - Hellas (FORTH) National Observatory of Athens (NOA) University of Crete Heraklion (UOC) 2016-07-05 https://hal.science/hal-01483179 https://doi.org/10.1021/acs.est.6b02605 en eng HAL CCSD American Chemical Society info:eu-repo/semantics/altIdentifier/doi/10.1021/acs.est.6b02605 hal-01483179 https://hal.science/hal-01483179 doi:10.1021/acs.est.6b02605 ISSN: 0013-936X EISSN: 1520-5851 Environmental Science and Technology https://hal.science/hal-01483179 Environmental Science and Technology, 2016, 50 (13), pp.6912-6920. ⟨10.1021/acs.est.6b02605⟩ chemical-composition marine aerosols mineral dust north-african dust nutrient-limitation particulate matter phytoplankton bloom southern-ocean sulfur-dioxide thermodynamic-equilibrium model ACL [SDE.BE]Environmental Sciences/Biodiversity and Ecology [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere info:eu-repo/semantics/article Journal articles 2016 ftunivbrest https://doi.org/10.1021/acs.est.6b02605 2024-01-23T23:41:34Z 00000 ăWOS:000379366300039 International audience Aerosol iron was examined in Saharan dust plumes using a combination of iron near-edge X-ray absorption spectroscopy and wet-chemical techniques. Aerosol samples were collected at three sites located in the Mediterranean, the Atlantic, and Bermuda to characterize iron at different atmospheric transport lengths and time scales. Iron(III) oxides were a component of aerosols at all sampling sites and dominated the aerosol iron in Mediterranean samples. In Atlantic samples, iron(II and III) sulfate, iron(III) phosphate, and iron(II) silicates were also contributors to aerosol composition. With increased atmospheric transport time, iron(II) sulfates are found to become more abundant, aerosol iron oxidation state became more reduced, and aerosol acidity increased. Atmospheric processing including acidic reactions and photoreduction likely influence the form of iron minerals and oxidation state in Saharan dust aerosols and contribute to increases in aerosol-iron solubility. Article in Journal/Newspaper Southern Ocean Université de Bretagne Occidentale: HAL Southern Ocean Environmental Science & Technology 50 13 6912 6920 |
institution |
Open Polar |
collection |
Université de Bretagne Occidentale: HAL |
op_collection_id |
ftunivbrest |
language |
English |
topic |
chemical-composition marine aerosols mineral dust north-african dust nutrient-limitation particulate matter phytoplankton bloom southern-ocean sulfur-dioxide thermodynamic-equilibrium model ACL [SDE.BE]Environmental Sciences/Biodiversity and Ecology [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere |
spellingShingle |
chemical-composition marine aerosols mineral dust north-african dust nutrient-limitation particulate matter phytoplankton bloom southern-ocean sulfur-dioxide thermodynamic-equilibrium model ACL [SDE.BE]Environmental Sciences/Biodiversity and Ecology [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere Longo, Amelia F. Feng, Yan Lai, Barry Landing, William M. Shelley, Rachel U. Nenes, Athanasios Mihalopoulos, Nikolaos Violaki, Kalliopi Ingall, Ellery D. Influence of Atmospheric Processes on the Solubility and Composition of Iron in Saharan Dust |
topic_facet |
chemical-composition marine aerosols mineral dust north-african dust nutrient-limitation particulate matter phytoplankton bloom southern-ocean sulfur-dioxide thermodynamic-equilibrium model ACL [SDE.BE]Environmental Sciences/Biodiversity and Ecology [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere |
description |
00000 ăWOS:000379366300039 International audience Aerosol iron was examined in Saharan dust plumes using a combination of iron near-edge X-ray absorption spectroscopy and wet-chemical techniques. Aerosol samples were collected at three sites located in the Mediterranean, the Atlantic, and Bermuda to characterize iron at different atmospheric transport lengths and time scales. Iron(III) oxides were a component of aerosols at all sampling sites and dominated the aerosol iron in Mediterranean samples. In Atlantic samples, iron(II and III) sulfate, iron(III) phosphate, and iron(II) silicates were also contributors to aerosol composition. With increased atmospheric transport time, iron(II) sulfates are found to become more abundant, aerosol iron oxidation state became more reduced, and aerosol acidity increased. Atmospheric processing including acidic reactions and photoreduction likely influence the form of iron minerals and oxidation state in Saharan dust aerosols and contribute to increases in aerosol-iron solubility. |
author2 |
School of Earth and Atmospheric Sciences Atlanta Georgia Institute of Technology Atlanta Advanced Photon Source ANL (APS) Argonne National Laboratory Lemont (ANL)-University of Chicago-US Department of Energy Argonne National Laboratory Lemont (ANL) Department of Earth, Ocean and Atmospheric Science Tallahassee (FSU Florida State University Tallahassee (FSU) Laboratoire des Sciences de l'Environnement Marin (LEMAR) (LEMAR) Institut de Recherche pour le Développement (IRD)-Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-Université de Brest (UBO)-Institut Universitaire Européen de la Mer (IUEM) Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS)-Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS) Foundation for Research and Technology - Hellas (FORTH) National Observatory of Athens (NOA) University of Crete Heraklion (UOC) |
format |
Article in Journal/Newspaper |
author |
Longo, Amelia F. Feng, Yan Lai, Barry Landing, William M. Shelley, Rachel U. Nenes, Athanasios Mihalopoulos, Nikolaos Violaki, Kalliopi Ingall, Ellery D. |
author_facet |
Longo, Amelia F. Feng, Yan Lai, Barry Landing, William M. Shelley, Rachel U. Nenes, Athanasios Mihalopoulos, Nikolaos Violaki, Kalliopi Ingall, Ellery D. |
author_sort |
Longo, Amelia F. |
title |
Influence of Atmospheric Processes on the Solubility and Composition of Iron in Saharan Dust |
title_short |
Influence of Atmospheric Processes on the Solubility and Composition of Iron in Saharan Dust |
title_full |
Influence of Atmospheric Processes on the Solubility and Composition of Iron in Saharan Dust |
title_fullStr |
Influence of Atmospheric Processes on the Solubility and Composition of Iron in Saharan Dust |
title_full_unstemmed |
Influence of Atmospheric Processes on the Solubility and Composition of Iron in Saharan Dust |
title_sort |
influence of atmospheric processes on the solubility and composition of iron in saharan dust |
publisher |
HAL CCSD |
publishDate |
2016 |
url |
https://hal.science/hal-01483179 https://doi.org/10.1021/acs.est.6b02605 |
geographic |
Southern Ocean |
geographic_facet |
Southern Ocean |
genre |
Southern Ocean |
genre_facet |
Southern Ocean |
op_source |
ISSN: 0013-936X EISSN: 1520-5851 Environmental Science and Technology https://hal.science/hal-01483179 Environmental Science and Technology, 2016, 50 (13), pp.6912-6920. ⟨10.1021/acs.est.6b02605⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1021/acs.est.6b02605 hal-01483179 https://hal.science/hal-01483179 doi:10.1021/acs.est.6b02605 |
op_doi |
https://doi.org/10.1021/acs.est.6b02605 |
container_title |
Environmental Science & Technology |
container_volume |
50 |
container_issue |
13 |
container_start_page |
6912 |
op_container_end_page |
6920 |
_version_ |
1790608475377631232 |