Airborne bacteria and particulate chemistry capture Phytoplankton bloom dynamics in an Arctic fjord
| Autor: | Klara Wolf, Andrea Spolaor, Clara Jule Marie Hoppe, Matteo Feltracco, Carlo Barbante, Elena Barbaro, Catherine Larose, Andrea Gambaro, Rose Layton, Christoph Keuschnig |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
Atmospheric Science
Chlorophyll a 010504 meteorology & atmospheric sciences Air-to-sea exchanges Amino acids Arctic Atmospheric microorganisms Marine phytoplankton bloom Fjord 01 natural sciences Algal bloom 03 medical and health sciences chemistry.chemical_compound Phytoplankton Settore CHIM/01 - Chimica Analitica 14. Life underwater 030304 developmental biology 0105 earth and related environmental sciences General Environmental Science 0303 health sciences geography geography.geographical_feature_category Chemistry Particulates Aerosol 13. Climate action Environmental chemistry Bloom |
| Zdroj: | Atmospheric environment (1994) 256 (2021). doi:10.1016/j.atmosenv.2021.118458 info:cnr-pdr/source/autori:Feltracco, Matteo; Barbaro, Elena; Hoppe, Clara J.M.; Wolf, Klara K.E.; Spolaor, Andrea; Layton, Rose; Keuschnig, Christoph; Barbante, Carlo; Gambaro, Andrea; Larose, Catherine/titolo:Airborne bacteria and particulate chemistry capture Phytoplankton bloom dynamics in an Arctic fjord/doi:10.1016%2Fj.atmosenv.2021.118458/rivista:Atmospheric environment (1994)/anno:2021/pagina_da:/pagina_a:/intervallo_pagine:/volume:256 Atmospheric Environment |
| DOI: | 10.1016/j.atmosenv.2021.118458 |
| Popis: | Primary biological aerosol particles and microorganisms are ubiquitous in the atmosphere. Investigations of airborne chemical markers and microbial communities are critical for identifying sources, transport and transformation processes of aerosols. One potential major source of airborne chemical compounds and microbial communities (e.g. L- and D-amino acids, Flavobacteria) could be related to phytoplankton blooms that occur during the spring season in Arctic fjord systems. Here, we conducted a field study in a polar environment to investigate the occurrence in coarse and fine particles of water-soluble compounds (major ions, carboxylic acids and free L- and D-amino acids) and airborne bacterial communities in aerosol samples. The sampling was conducted with a 6 day sampling frequency at the Gruvebadet observatory, close to Ny-Alesund (Svalbard Islands). Glycine, D-amino acids and C4- organic acids increased during the exponential phase of a marine bloom that occurred in Kongsfjorden and started to drop at the beginning of the main-bloom phase. On the other hand, Polaribacter together with free L-amino acids overlapped with the Chlorophyll a peak and the subsequent decline, and thus might constitute a useful marker for the main-bloom phase. |
| Databáze: | OpenAIRE |
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