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Triesch, Nadja; van Pinxteren, Manuela; Engel, Anja; Herrmann, Hartmut (2020): Simultaneous measurements of free amino acids in seawater, size-segregated aerosol particle and cloud water samples at the Cape Verde Atmospheric Observatory. PANGAEA, https://doi.org/10.1594/PANGAEA.914220

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Abstract:
Simultaneous measurements of free amino acids in seawater (underlying water, ULW, and sea surface microlyer, SML), size-segregated aerosol particle and cloud water samples at the Cape Verde Atmospheric Observatory (CVAO) in the framework of the MarParCloud project with contribution of MARSU in September/October 2017. During this campaign, sampling of size-segregated aerosol particles at the CVAO (30 m sampling tower) and seawater sampling at the ocean site (~16°53ˈ30ˈN, ~24°54ˈ00ˈˈW) were performed. Additionally, aerosol sampler and cloud water sampler were installed at the mountain station on the top of the mountain 'Monte Verde (MV)' (744 m a.s.l.). The amino acid analysis includes glycine (Gly), L-alanine (Ala), L-serine (Ser), L-glutamic acid (Glu), L-threonine (Thr), L-proline (Pro), L-tyrosine (Tyr), L-valine (Val), L-phenylalanine (Phe), L-aspartic acid (Asp), L-isoleucine (Ile), L-leucine (Leu), L-methionine (Met), L-glutamine (Gln) and γ-aminobutyric acid (GABA) (purity ≥ 99 %, Sigma-Aldrich, St. Louis, Missouri, USA). The analytical measurements of the derivatized FAA, derivatization was performed using AccQ-Tag™ precolumn derivatization method (Waters, Eschborn, Germany), were performed with ultra high performance liquid chromatography with electrospray ionization and Orbitrap mass spectrometry (UHPLC/ESI Orbtitrap-MS).
Keyword(s):
amino acids; Cape Verde Atmospheric Observatory (CVAO); cloud water; sea surface microlayer; size-segregated aerosol particles; transfer
Supplement to:
Triesch, Nadja; van Pinxteren, Manuela; Engel, Anja; Herrmann, Hartmut (2021): Concerted measurements of free amino acids at the Cape Verde Islands: High enrichments in submicron sea spray aerosol particles and cloud droplets. Atmospheric Chemistry and Physics, 21(1), 163-181, https://doi.org/10.5194/acp-21-163-2021
Coverage:
Median Latitude: 16.869786 * Median Longitude: -24.910653 * South-bound Latitude: 16.848000 * West-bound Longitude: -24.933890 * North-bound Latitude: 16.896670 * East-bound Longitude: -24.871000
Date/Time Start: 2017-09-19T16:30:00 * Date/Time End: 2017-10-10T15:00:00
Size:
4 datasets

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