Mexican agricultural soil dust as a source of ice nucleating particles
Diana L. Pereira,Irma Gavilán,Consuelo Letechipía,Graciela B. Raga,Teresa Pi Puig,Violeta Mugica-Álvarez,Harry Alvarez-Ospina,Irma Rosas,Leticia Martinez,Eva Salinas,Erika T. Quintana,Daniel Rosas,and Luis A. Ladino
Diana L. Pereira
Instituto de Ciencias de la Atmósfera y Cambio Climático, Universidad Nacional Autónoma de México, Mexico City, Mexico
Posgrado de Ciencias Químicas, Universidad Nacional Autónoma de México, Mexico City, Mexico
now at: Université Paris Cité and Univ Paris Est Creteil, CNRS, LISA, 75013 Paris, France
Irma Gavilán
Facultad de Química, Universidad Nacional Autónoma de México, Mexico City, Mexico
Consuelo Letechipía
Unidad Académica de Estudio Nucleares, Universidad Autónoma de Zacatecas, Zacatecas, Mexico
Airborne particles were i) collected in an agricultural fields and ii) generated in the laboratory from agricultural soil samples to analyze their ice nucleating abilities. It was found that the size and chemical composition of the Mexican agricultural dust particles influence their ice nucleating behavior, where the organic components are likely responsible for their efficiency as INPs. The INP concentrations from the present study are comparable to those from higher latitudes.
Airborne particles were i) collected in an agricultural fields and ii) generated in the...