dor_id: 10901

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

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336.#.#.a: Artículo

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

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856.4.0.u: https://www.revistascca.unam.mx/atm/index.php/atm/article/view/23892/22470

100.1.#.a: Lin, W.; Wang, B.; Li, J.; Wang, X.; Zeng, L.

524.#.#.a: Lin, W., et al. (2010). The impact of urbanization on the monthly averaged diurnal cycle in October. Atmósfera; Vol. 23 No. 1, 2010. Recuperado de https://repositorio.unam.mx/contenidos/10901

245.1.0.a: The impact of urbanization on the monthly averaged diurnal cycle in October

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

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

264.#.0.c: 2010

264.#.1.c: 2010-01-22

653.#.#.a: Land cover; mesoscale model; simulation; China

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: The Pearl River Delta (PRD) region in southern China has experienced rapid urbanization and dramatic economic growth in last 25 years. Using identical observed meteorology for lateral boundary conditions, two one-month simulations were conducted: one using the original United States Geological Survey (USGS) 24-category land cover data (namely NU) and the other using the urban land cover data from 2004 Moderate Resolution Imaging Spectroradiometer (MODIS) satellite images (namely HU) as lower boundary conditions in a mesoscale model. October 2004 was chosen for simulation due to no precipitation in the Pearl River Delta corresponding to drought conditions. The spatially averaged value (domain-averaged, land-averaged value, urban-averaged value) used for the analysis can reflect the regional climate over an area of several hundreds of kilometers. The simulation results show that the additional urbanization in the PRD amplifies the spatially averaged diurnal cycle of surface temperature, sensible heat fluxes and planetary boundary layer (PBL) height, decreases relative humidity, water vapor in the air and latent heat flux, and increases the diurnal temperature range (DTR). The simulation also shows that the urban heat island (UHI) intensity is about 0.4° in the nighttime and about 1.3° in the daytime after the urban expansion.

773.1.#.t: Atmósfera; Vol. 23 No. 1 (2010)

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

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

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

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Artículo

The impact of urbanization on the monthly averaged diurnal cycle in October

Lin, W.; Wang, B.; Li, J.; Wang, X.; Zeng, L.

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
Atmósfera
Repositorio
Revistas UNAM
Contacto
Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

Cita

Lin, W., et al. (2010). The impact of urbanization on the monthly averaged diurnal cycle in October. Atmósfera; Vol. 23 No. 1, 2010. Recuperado de https://repositorio.unam.mx/contenidos/10901

Descripción del recurso

Autor(es)
Lin, W.; Wang, B.; Li, J.; Wang, X.; Zeng, L.
Tipo
Artículo de Investigación
Área del conocimiento
Físico Matemáticas y Ciencias de la Tierra
Título
The impact of urbanization on the monthly averaged diurnal cycle in October
Fecha
2010-01-22
Resumen
The Pearl River Delta (PRD) region in southern China has experienced rapid urbanization and dramatic economic growth in last 25 years. Using identical observed meteorology for lateral boundary conditions, two one-month simulations were conducted: one using the original United States Geological Survey (USGS) 24-category land cover data (namely NU) and the other using the urban land cover data from 2004 Moderate Resolution Imaging Spectroradiometer (MODIS) satellite images (namely HU) as lower boundary conditions in a mesoscale model. October 2004 was chosen for simulation due to no precipitation in the Pearl River Delta corresponding to drought conditions. The spatially averaged value (domain-averaged, land-averaged value, urban-averaged value) used for the analysis can reflect the regional climate over an area of several hundreds of kilometers. The simulation results show that the additional urbanization in the PRD amplifies the spatially averaged diurnal cycle of surface temperature, sensible heat fluxes and planetary boundary layer (PBL) height, decreases relative humidity, water vapor in the air and latent heat flux, and increases the diurnal temperature range (DTR). The simulation also shows that the urban heat island (UHI) intensity is about 0.4° in the nighttime and about 1.3° in the daytime after the urban expansion.
Tema
Land cover; mesoscale model; simulation; China
Idioma
eng
ISSN
ISSN electrónico: 2395-8812; ISSN impreso: 0187-6236

Enlaces