Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 18, issue 11
Articles | Volume 18, issue 11
https://doi.org/10.5194/amt-18-2463-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-18-2463-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 11
Research article
 | 
11 Jun 2025
Research article |  | 11 Jun 2025

The UNAM-MARine Aerosol Tank (UNAM-MARAT): an evaluation of the ice-nucleating abilities of seawater from the Gulf of Mexico and the Mexican Pacific

M. Fernanda Córdoba, Rachel Chang, Harry Alvarez-Ospina, Aramis Olivos-Ortiz, Graciela B. Raga, Daniel Rosas-Ramírez, Guadalupe Campos, Isabel Márquez, Telma Castro, and Luis A. Ladino

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Short summary
The present study shows the development of the UNAM-MARine Aerosol Tank (UNAM-MARAT), a device that simulates wave breaking to generate marine aerosol particles. The portable and automatic tank is able to generate particle concentrations as high as 2000 cm-3, covering a wide range of sizes, similar to those found in the ambient marine boundary layer. The sea spray aerosol generated from three natural seawater samples was found to act as ice-nucleating particles (INPs) via immersion freezing.
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