Origin of atmospheric aerosols at the Pierre Auger Observatory using studies of air mass trajectories in South America

[phys.astr.im]physics [physics]/astrophysics [astro-ph]/instrumentation and methods for astrophysic [astro-ph.im], [phys.astr.he]physics [physics]/astrophysics [astro-ph]/high energy astrophysical phenomena [astro-ph.he], [phys.phys.phys-ao-ph]physics [physics]/physics [physics]/atmospheric and oceanic physics [physics.ao-ph], [sdu.astr.he]sciences of the universe [physics]/astrophysics [astro-ph]/high energy astrophysical phenomena [astro-ph.he], [sdu.astr.im]sciences of the universe [physics]/astrophysics [astro-ph]/instrumentation and methods for astrophysic [astro-ph.im]