dor_id: 4121202

506.#.#.a: Público

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510.0.#.a: Consejo Nacional de Ciencia y Tecnología (CONACyT); Sistema Regional de Información en Línea para Revistas Científicas de América Latina, el Caribe, España y Portugal (Latindex); Scientific Electronic Library Online (SciELO); SCOPUS, Web Of Science (WoS); SCImago Journal Rank (SJR)

561.#.#.u: https://www.atmosfera.unam.mx/

650.#.4.x: Físico Matemáticas y Ciencias de la Tierra

336.#.#.b: article

336.#.#.3: Artículo de Investigación

336.#.#.a: Artículo

351.#.#.6: https://www.revistascca.unam.mx/atm/index.php/atm/index

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351.#.#.a: Artículos

harvesting_group: RevistasUNAM

270.1.#.p: Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

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270.#.#.d: MX

270.1.#.d: México

590.#.#.b: Concentrador

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883.#.#.a: Revistas UNAM

590.#.#.a: Coordinación de Difusión Cultural

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883.#.#.q: Dirección General de Publicaciones y Fomento Editorial

850.#.#.a: Universidad Nacional Autónoma de México

856.4.0.u: https://www.revistascca.unam.mx/atm/index.php/atm/article/view/8628/8098

100.1.#.a: Méndez Antonio, B.; Da Silveira, R. B.; Caetano, E.; Magaña, V.; Domínguez, R.

524.#.#.a: Méndez Antonio, B., et al. (2009). Analysis of daily precipitation based on weather radar information in México City. Atmósfera; Vol. 22 No. 3, 2009. Recuperado de https://repositorio.unam.mx/contenidos/4121202

245.1.0.a: Analysis of daily precipitation based on weather radar information in México City

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

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

264.#.0.c: 2009

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

653.#.#.a: Radar precipitation; extremes hydrometeorological events; RADAR PRECIPITATION; EXTREMES HYDROMETEOROLOGICAL EVENTS

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

884.#.#.k: https://www.revistascca.unam.mx/atm/index.php/atm/article/view/8628

001.#.#.#: 022.oai:ojs.pkp.sfu.ca:article/8628

041.#.7.h: eng

520.3.#.a: In México, there is a network of 12 meteorological radars to monitor intense convective systems. Data from Cerro de la Catedral Doppler radar, 40 km northwest of México City, have been used to obtain precipitation rates estimates during intense precipitation events. Results show that although estimates are close to the observed precipitation in surface stations, a new configuration of the radar system is necessary to better capture the characteristics of intense storms, particularly at the foothills of the western mountains. The comparison between the estimate from the radar and a dense network of rain gauges shows that such deficiency may be related to systematic errors due to blockage (radar), but also to sampling problems (radar and rain gauge). The calibration by itself may not be enough since there is significant blockage with the radar at the peak of a high elevation but relatively distant mountain. Such location limits the scan capacity from making a good vertical coverage. The present characteristics of the elevation of the radar beam prevent the radar from estimating the amount of precipitation in the lowest part of the clouds, near the cloud base. A new configuration of the radar system for México City is proposed taking into account spatial coverage and propagation effects upon a standard atmosphere in a horizontally constant reflectivity field.

773.1.#.t: Atmósfera; Vol. 22 No. 3 (2009)

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

310.#.#.a: Trimestral

264.#.1.b: Instituto de Ciencias de la Atmósfera y Cambio Climático, UNAM

handle: 00a7c8ade3efe73c

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

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245.1.0.b: Analysis of daily precipitation and weather radar location in México City.

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

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Artículo

Analysis of daily precipitation based on weather radar information in México City

Méndez Antonio, B.; Da Silveira, R. B.; Caetano, E.; Magaña, V.; Domínguez, R.

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

Méndez Antonio, B., et al. (2009). Analysis of daily precipitation based on weather radar information in México City. Atmósfera; Vol. 22 No. 3, 2009. Recuperado de https://repositorio.unam.mx/contenidos/4121202

Descripción del recurso

Autor(es)
Méndez Antonio, B.; Da Silveira, R. B.; Caetano, E.; Magaña, V.; Domínguez, R.
Tipo
Artículo de Investigación
Área del conocimiento
Físico Matemáticas y Ciencias de la Tierra
Título
Analysis of daily precipitation based on weather radar information in México City
Fecha
2009-10-05
Resumen
In México, there is a network of 12 meteorological radars to monitor intense convective systems. Data from Cerro de la Catedral Doppler radar, 40 km northwest of México City, have been used to obtain precipitation rates estimates during intense precipitation events. Results show that although estimates are close to the observed precipitation in surface stations, a new configuration of the radar system is necessary to better capture the characteristics of intense storms, particularly at the foothills of the western mountains. The comparison between the estimate from the radar and a dense network of rain gauges shows that such deficiency may be related to systematic errors due to blockage (radar), but also to sampling problems (radar and rain gauge). The calibration by itself may not be enough since there is significant blockage with the radar at the peak of a high elevation but relatively distant mountain. Such location limits the scan capacity from making a good vertical coverage. The present characteristics of the elevation of the radar beam prevent the radar from estimating the amount of precipitation in the lowest part of the clouds, near the cloud base. A new configuration of the radar system for México City is proposed taking into account spatial coverage and propagation effects upon a standard atmosphere in a horizontally constant reflectivity field.
Tema
Radar precipitation; extremes hydrometeorological events; RADAR PRECIPITATION; EXTREMES HYDROMETEOROLOGICAL EVENTS
Idioma
eng
ISSN
ISSN electrónico: 2395-8812; ISSN impreso: 0187-6236

Enlaces