Direct Radiative Forcing Due to Aerosol Properties at the Peruvian Antarctic Station and Metropolitan Huancayo Area

Authors

  • Julio Miguel Angeles Suazo Universidad Nacional Intercultural de la Selva Central Juan Santos Atahualpa. Vicepresidencia de Investigación. Av. Perú 612, Pampa del Carmen,12856 Chanchamayo, Perú. Universidad Tecnológica del Perú. Facultad de Ingeniería Civil. Av. Circunvalación 449, 12002 El Tambo, Huancayo, Perú. https://orcid.org/0000-0001-8327-9032
  • Luis Suarez Salas Instituto Geofísico del Perú, Calle Badajoz, 169,15498 Urb. Mayorazgo IV Etapa, – Ate, Lima, -Perú
  • Alex Rubén Huaman De La Cruz Universidad Nacional del Centro del Perú, Instituto General de Investigación, Av. Mariscal Castilla N° 3909, El Tambo, Huancayo, Perú. Universidad Católica los Ángeles de Chimbote, Instituto de Investigación, Jirón Tumbes N 247, Chimbote, Perú
  • Roberto Angeles Vasquez Universidad Nacional del Centro del Perú, Instituto General de Investigación, Av. Mariscal Castilla N° 3909, El Tambo, Huancayo, Perú.
  • Georgynio Rosales Aylas Universidade Federal do Espíirito Santo, Engenheria Ambiental, Vitoria, Av. Fernando Ferrari, 514- Goiabeiras, Vitoria-Brasil
  • Alicia Rocha Condor Universidad Alas Peruanas. Escuela Profesional de Ingeniería Ambiental,. Av. Tacna 399, 12006, - Pilcomayo, Huancayo, Perú.
  • Edilson Requena Rojas Laboratorio de Dendrocronología, Universidad Continental. Av. San Carlos 1980 Huancayo Perú
  • Felipa Muñoz Ccuro Universidad Nacional Federico Villareal, Posgrago de Derecho, Jr. Carlos Gonzáles 285 Urb. Maranga - San Miguel-Perú
  • Jose Luis Flores Rojas Instituto Geofísico del Perú, Calle Badajoz, 169,15498 Urb. Mayorazgo IV Etapa, – Ate, Lima, -Perú
  • Hugo Abi Karam Universidade Federal do Rio de Janeiro, - Instituto de Geociências, – Departamento de Meteorologia, . Rua Athos da Silveira Ramos 274, . Cidade Universitária, – Ilha do Fundão, –21.941-916, . Rio de Janeiro, -RJ, Brasil

DOI:

https://doi.org/10.11137/2020_4_404_412

Keywords:

Aerosol, Radiative Forcing, Antarctic

Abstract

Descrevemos os resultados do estudo da profundidade ótica do aerossol (POA) e do Forçamento Radiativo Direto (FRD) no topo da atmosfera (TOA), obtidos durante a campanha de medição e monitoramento, XXI Expedição Antártica do Peru, entre os meses de janeiro e fevereiro de 2013, e na área metropolitana de Huancayo (AMH) entre os meses de junho e julho de 2019. Na Estação Antártica Peruana Machu Picchu utilizou-se um fotômetro solar SP02-L. Tal instrumento possui 4 canais: 412 nm, 500 nm, 675 nm e 862 nm, permitindo realizar medições diretas do espectro de radiação visível. Na AMH usamos o sensor BF5, que mede a radiação direta, difusa e global em comprimento de onda curta. Os cálculos de AOD em latitudes polares variaram entre 0,0646 e 0,1061. Na AMH apresenta valor máximo de 0,58 (11 de junho) e mínimo de 0,19 (12 de junho). Determinou-se o coeficiente de Angstrom variando de 0 a 0,07, esses valores indicam a presença de partículas grandes. Na AMH varia de 0 a 1,8, que indica a presença de  aerossóis de fonte de queima de biomassa e industrial. As propriedades óticas observadas foram usadas para estimar a forçante radiativa direta por aerossóis (FRDA) no topo da atmosfera. Os resultados indicam que no King George Island, o FRDA, está entre -2 e 4 W/m2; já para a AMH a forçante radiativa direta de aerossol está entre 0 e 20 W/m2.

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Published

2020-12-18

Issue

Vol. 43 No. 4 (2020)

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Article

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