| Autor: |
Suresh K. R. Boreddy, Prashant Hegde, A. R. Aswini, S. Aryasree |
| Jazyk: |
angličtina |
| Rok vydání: |
2021 |
| Předmět: |
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| Zdroj: |
Earth and Space Science, Vol 8, Iss 9, Pp n/a-n/a (2021) |
| Druh dokumentu: |
article |
| ISSN: |
2333-5084 |
| DOI: |
10.1029/2020EA001615 |
| Popis: |
Abstract The transport of South Asian (SA) anthropogenic haze to the northern Indian Ocean (NIO) is often observed during winter, however, its chemical and molecular constituents are not well explored. To better address this problem, shipborne measurements of size‐resolved aerosol sampling were carried out over the northern and equatorial Indian Ocean (EIO) for the quantification of aerosol composition (organic and inorganic) and molecular markers during the winter of 2018. The most striking outcome was the dominance of anthropogenic aerosols derived from biomass‐burning and combustion‐related emissions over the NIO during the SA outflow. Low‐level concentrations were noticed over the EIO where oceanic air mass was dominated. Organic carbon (OC), sea‐salts (Na+ and Cl−), calcium (Ca2+), and nitrates (NO3−) were enriched in the coarse mode (>2.0 µm) while elemental carbon (EC), water‐soluble OC, sulfates (SO42−), and potassium (K+) were abundant in fine mode ( |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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