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100.1.#.a: Raj, P. Ernest; De Vara, P. C. S.; Pandithurai, G.; Maheskumar, R. S.; Dani, K. K.

524.#.#.a: Raj, P. Ernest, et al. (2004). Some atmospheric aerosol characteristics as determined from laser angular scattering measurements at a continental urban station. Atmósfera; Vol. 17 No. 1, 2004. Recuperado de https://repositorio.unam.mx/contenidos/11047

245.1.0.a: Some atmospheric aerosol characteristics as determined from laser angular scattering measurements at a continental urban station

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Instituto de Ciencias de la Atmósfera y Cambio Climático, UNAM

264.#.0.c: 2004

264.#.1.c: 2009-10-05

653.#.#.a: Lidar; aerosols; angular scattering; LIDAR; AEROSOLS; ANGULAR SCATTERING

506.1.#.a: La titularidad de los derechos patrimoniales de esta obra pertenece a las instituciones editoras. Su uso se rige por una licencia Creative Commons BY-NC 4.0 Internacional, https://creativecommons.org/licenses/by-nc/4.0/legalcode.es, para un uso diferente consultar al responsable jurídico del repositorio por medio del correo electrónico editora@atmosfera.unam.mx

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041.#.7.h: eng

520.3.#.a: A bistatic continuous wave Argon ion lidar system has been used to collect information on the variation of laser return signal strength from the lower atmosphere with scattering angles at a fixed altitude of scattering. Lidar data collected on 50 clear sky days during the period of April 1987 - December 1995 at a continental tropical urban station have been used for the study. The experimental data have been compared with the theoretically computed differential Mie scattering cross sections at the common scattering angles to determine the most probable value of size index, n, and the complex index of refraction, m, applicable to the environment over the observing site by adopting a library-search method and simple statistical tools. The study showed that the most frequently occurring aerosol type at the location is dust-like with a most probable value of size index 4.5. Retrieval of aerosol number concentration, using this information together with the experimental values of scattered signal strength, yields an average concentration value in the range of 2 - 3 x 103 cm-3 in the atmospheric layer close to the surface.

773.1.#.t: Atmósfera; Vol. 17 No. 1 (2004)

773.1.#.o: https://www.revistascca.unam.mx/atm/index.php/atm/index

046.#.#.j: 2021-10-20 00:00:00.000000

022.#.#.a: ISSN electrónico: 2395-8812; ISSN impreso: 0187-6236

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handle: 00bcdaeb378590db

harvesting_date: 2023-06-20 16:00:00.0

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245.1.0.b: Some atmospheric aerosol characteristics as determined from laser angular scattering measurements at a continental urban station

last_modified: 2023-06-20 16:00:00

license_url: https://creativecommons.org/licenses/by-nc/4.0/legalcode.es

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Artículo

Some atmospheric aerosol characteristics as determined from laser angular scattering measurements at a continental urban station

Raj, P. Ernest; De Vara, P. C. S.; Pandithurai, G.; Maheskumar, R. S.; Dani, K. K.

Instituto de Ciencias de la Atmósfera y Cambio Climático, UNAM, publicado en Atmósfera, y cosechado de Revistas UNAM

Licencia de uso

Procedencia del contenido

Entidad o dependencia
Instituto de Ciencias de la Atmósfera y Cambio Climático, UNAM
Revista
Repositorio
Contacto
Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

Cita

Raj, P. Ernest, et al. (2004). Some atmospheric aerosol characteristics as determined from laser angular scattering measurements at a continental urban station. Atmósfera; Vol. 17 No. 1, 2004. Recuperado de https://repositorio.unam.mx/contenidos/11047

Descripción del recurso

Autor(es)
Raj, P. Ernest; De Vara, P. C. S.; Pandithurai, G.; Maheskumar, R. S.; Dani, K. K.
Tipo
Artículo de Investigación
Área del conocimiento
Físico Matemáticas y Ciencias de la Tierra
Título
Some atmospheric aerosol characteristics as determined from laser angular scattering measurements at a continental urban station
Fecha
2009-10-05
Resumen
A bistatic continuous wave Argon ion lidar system has been used to collect information on the variation of laser return signal strength from the lower atmosphere with scattering angles at a fixed altitude of scattering. Lidar data collected on 50 clear sky days during the period of April 1987 - December 1995 at a continental tropical urban station have been used for the study. The experimental data have been compared with the theoretically computed differential Mie scattering cross sections at the common scattering angles to determine the most probable value of size index, n, and the complex index of refraction, m, applicable to the environment over the observing site by adopting a library-search method and simple statistical tools. The study showed that the most frequently occurring aerosol type at the location is dust-like with a most probable value of size index 4.5. Retrieval of aerosol number concentration, using this information together with the experimental values of scattered signal strength, yields an average concentration value in the range of 2 - 3 x 103 cm-3 in the atmospheric layer close to the surface.
Tema
Lidar; aerosols; angular scattering; LIDAR; AEROSOLS; ANGULAR SCATTERING
Idioma
eng
ISSN
ISSN electrónico: 2395-8812; ISSN impreso: 0187-6236

Enlaces