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P-NEXFS analysis of aerosol phosphorus delivered to the Mediterranean Sea
Longo, Amelia F. (Georgia Institute of Technology. School of Earth and Atmospheric Sciences)
Ingall, Ellery D. (Georgia Institute of Technology. School of Earth and Atmospheric Sciences)
Diaz, Julia M. (Georgia Institute of Technology. School of Earth and Atmospheric Sciences)
Oakes, Michelle (Georgia Institute of Technology. School of Earth and Atmospheric Sciences)
King, Laura E. (Georgia Institute of Technology. School of Earth and Atmospheric Sciences)
Nenes, Athanasios (Georgia Institute of Technology. School of Earth and Atmospheric Sciences)
Mihalopoulos, Nikolaos (Panepistēmio tēs Krētēs. Tmíma Chimeías)
Violaki, Kaliopi (Panepistēmio tēs Krētēs. Tmíma Chimeías)
Àvila i Castells, Anna (Centre de Recerca Ecològica i Aplicacions Forestals)
Benítez Nelson, Claudia R. (University of South Carolina. Department of Earth and Ocean Sciences)
Brandes, Jay (Skidaway Institute of Oceanography)
McNulty, Ian (Argonne National Laboratory)
Vine, David J. (Argonne National Laboratory)

Date: 2014
Abstract: Biological productivity in many ocean regions is controlled by the availability of the nutrient phosphorus. In the Mediterranean Sea, aerosol deposition is a key source of phosphorus and understanding its composition is critical for determining its potential bioavailability. Aerosol phosphorus was investigated in European and North African air masses using phosphorus near-edge X-ray fluorescence spectroscopy (P-NEXFS). These air masses are the main source of aerosol deposition to the Mediterranean Sea. We show that European aerosols are a significant source of soluble phosphorus to the Mediterranean Sea. European aerosols deliver on average 3. 5 times more soluble phosphorus than North African aerosols and furthermore are dominated by organic phosphorus compounds. The ultimate source of organic phosphorus does not stem from common primary emission sources. Rather, phosphorus associated with bacteria best explains the presence of organic phosphorus in Mediterranean aerosols.
Rights: Tots els drets reservats
Language: Anglès.
Document: article ; recerca ; acceptedVersion
Subject: Aerosols and particles ; Composition of aerosols and dust particles ; Major and trace element geochemistry ; Nutrients and nutrient cycling
Published in: Geophysical research letters, Vol. 41 Issue 11 (June 2014) , p. 4043-4049, ISSN 0094-8276

DOI: 10.1002/2014GL060555


Article. Post-print
19 p, 975.6 KB

Supporting material. Post-print
6 p, 788.0 KB

The record appears in these collections:
Research literature > UAB research groups literature > Research Centres and Groups (scientific output) > Experimental sciences > CREAF (Centre de Recerca Ecològica i d'Aplicacions Forestals)
Articles > Research articles
Articles > Published articles

 Record created 2016-03-30, last modified 2019-02-03



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