atmosphere Article The Baja California Peninsula, a Significant Source of Dust in Northwest Mexico Enrique Morales-Acuña 1 , Carlos R. Torres 2,* , Francisco Delgadillo-Hinojosa 3 , Jean R. Linero-Cueto 4, Eduardo Santamaría-del-Ángel 5 and Rubén Castro 6 1 Postgrado en Oceanografía Costera, Facultad de Ciencias Marinas, Instituto de Investigaciones Oceanológicas, Universidad Autónoma de Baja California Carretera Tijuana-Ensenada, Zona Playitas, Ensenada 3917, Baja California, Mexico;
[email protected] 2 Instituto de Investigaciones Oceanológicas, Universidad Autónoma de Baja California, Centro Nacional de Datos Oceanográficos, Carretera Tijuana-Ensenada, Zona Playitas, Ensenada 3917, Baja California, Mexico 3 Instituto de Investigaciones Oceanológicas, Universidad Autónoma de Baja California Carretera Tijuana-Ensenada, Zona Playitas, Ensenada 3917, Baja California, Mexico;
[email protected] 4 Facultad de Ingeniería, Universidad del Magdalena, Carrera 32 No. 22-08, Santa Marta, Magdalena 470004, Colombia;
[email protected] 5 Facultad de Ciencias Marinas, Universidad Autónoma de Baja California Carretera Tijuana-Ensenada, Zona Playitas, Ensenada 3917, Baja California, Mexico;
[email protected] (E.S.-d.-Á.);
[email protected] (R.C.) * Correspondence:
[email protected] Received: 26 August 2019; Accepted: 17 September 2019; Published: 26 September 2019 Abstract: Despite their impacts on ecosystems, climate, and human health, atmospheric emissions of mineral dust from deserts have been scarcely studied. This work estimated dust emission flux (E) between 1979 and 2014 from two desert regions in the Baja California Peninsula (BCP) using a modified dust parameterization scheme. Subsequently, we evaluated the processes controlling the variability of E at intra- and interannual scales. During the period 1979–2014 peak E were generally recorded in summer (San Felipe) and spring (Vizcaino), and the lowest emissions occurred in autumn (San Felipe) and winter (Vizcaíno).