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Atmósfera, founded by Dr. Julian Adem...
Gay García, Calos; Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México

Formato:
Enlaces:	Atmósfera, founded by Dr. Julian Adem, pioneer of the atmospheric sciences in Mexico, began almost as a one-man venture 25 years ago (on April 1, 1988), publishing four articles per issue. Very soon after the first number it was clear…
Fecha:	2012-12-14
Recurso:	Revistas UNAM

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As the new Editor in Chief of Atmósfera...
Gay García, Carlos; Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México

Formato:
Enlaces:	As the new Editor in Chief of Atmósfera, I want to acknowledge the efforts and great work of Dr. Graciela B. Raga, who has recently finished a prolific two-year term as head of this journal. Dr. Raga has extended the…
Fecha:	2012-09-28
Recurso:	Revistas UNAM

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Interannual deviations of long-term data from observations and contrasting with reanalysis data from the oceanic station at Islas Marías, Nayarit, Mexico, Interannual deviations of long-term data from observations and contrasting with reanalysis data from the oceanic station at Islas Marías, Nayarit, Mexico
PALACIOS-HERNÁNDEZ, E.; Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México - BRITO-CASTILLO, L. - CARRILLO, L. - TERESHCHENKO, I.

Formato:	,
Enlaces:	We prepared a synthesis of historical weather conditions for Isla María Madre (1922-1989) to reflect conditions that impact the mainland of México. Observations were compared with regional reanalysis (RR) data in the same area. The results indicate that air temperature,…
Fecha:	2012-09-28
Recurso:	Revistas UNAM

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Electrical parameters of red sprites, Electrical parameters of red sprites
KUMAR PARAS, MANOJ; Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México - RAI, JAGDISH

Formato:	,
Enlaces:	Red sprites are the exotic kind of lightning above thunderstorms. Expressions for the velocity and current of sprites have been obtained. The velocity expression comes out to be Gaussian. The calculated current flowing in the sprite body behaves just like…
Fecha:	2012-09-28
Recurso:	Revistas UNAM

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Evaluation of atmospheric corrosion in Orizaba, Mexico, Evaluation of atmospheric corrosion in Orizaba, Mexico
RAMÍREZ-REYES, J. L.; Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México - URUCHURTU-CHAVARÍN, J. - GENESCÁ, J. - LONGORIA-RAMÍREZ, R.

Formato:	,
Enlaces:	This study evaluated the atmospheric aggressiveness in the city of Orizaba, Veracruz, Mexico, as part of the “Atmospheric corrosiveness map of the state of Veracruz” project, developed by Universidad Veracruzana from 2007 to 2008. The corrosiveness in marine, industrial and…
Fecha:	2012-09-28
Recurso:	Revistas UNAM

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Storms generator method that preserves their historical statistical characteristics. Application to Mexico City basin daily rainfall fields, Storms generator method that preserves their historical statistical characteristics. Application to Mexico City basin daily rainfall fields
Domínguez Mora, Ramón; INSTITUTO DE INGENIERÍA , UNIVERSIDAD NACIONAL AUTÓNOMA DE MÉXICO. - Arganis Juárez, Maritza Liliana; INSTITUTO DE INGENIERÍA, FACULTAD DE INGENIERÍA UNAM - Mendoza Resendiz, Alejandro; INSTITUTO DE INGENIERÍA UNAM - Carrizosa Elizondo, Eliseo; INSTITUTO DE INGENIERÍA, UNIVERSIDAD NACIONAL AUTÓNOMA DE MÉXICO. - Echavarría Soto, Bernardo; FACULTAD DE INGENIERÍA, UNIVERSIDAD NACIONAL AUTÓNOMA DE MÉXICO

Formato:	,
Enlaces:	A first procedure to generate synthetic storms, which preserves the statistical characteristics of the historical daily precipitation events registered in 49 stations located within the basin of Mexico City is presented. This procedure (a variation of the Svanidze method) implicitly…
Fecha:	2012-12-14
Recurso:	Revistas UNAM

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The Effects of Elevation on Thermal Bioclimatic Conditions in Uludağ (Turkey), The Effects of Elevation on Thermal Bioclimatic Conditions in Uludağ (Turkey)
Çalışkan, Onur; Ankara University - Türkoğlu, Necla - Matzarakis, Andreas

Formato:	,
Enlaces:	This study compares the thermal bioclimatic conditions recorded at Bursa (100 m) and Uludağ (1878 m) meteorological stations at 7:00, 14:00 and 21:00 LST (local standard time) between 1975 and 2006, by using the physiologically equivalent temperature (PET), which is…
Fecha:	2012-12-14
Recurso:	Revistas UNAM

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Experimental data on SOA formation from mixtures of anthropogenic and biogenic organic compounds, Experimental data on SOA formation from mixtures of anthropogenic and biogenic organic compounds
García Vivanco, Marta - Santiago, Manuel; CIEMAT - Sánchez, Miguel; CIEMAT - Clavero, Mª Ángeles; CIEMAT - Borrás, Esther; CEAM - Ródenas, Milagros; CEAM - Alacreu, Francisco; CEAM - Vázquez, M.; CEAM - Clemente, E.; CEAM - Porras, R.; CEAM - Muñoz, A.; CEAM - Stein, Ariel; NOAA

Formato:	,
Enlaces:	Secondary organic aerosols (SOA) constitute a significant fraction of the atmospheric particulate matter. Theses particles are formed as a consequence of the oxidation reaction of certain organic gases that leads to the formation of low-volatility compounds. As for other pollutants,…
Fecha:	2012-12-14
Recurso:	Revistas UNAM

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Analysis of model-based PM2.5 emission factors for on-road mobile sources in Mexico, Analysis of model-based PM2.5 emission factors for on-road mobile sources in Mexico
Zavala, Miguel; MCE2 - Barrera, H.; MCE2 - Morante, J.; MCE2 - Molina, L.T.; MCE2

Formato:	,
Enlaces:	This study investigates the effects of using the US-EPA MOVES2010a model for estimating PM2.5 emission factors in the Mexican vehicle fleet; the results are compared with the current PM2.5 emissions estimates in the 2005 Mexican National Emissions Inventory (MNEI). Our…
Fecha:	2012-12-14
Recurso:	Revistas UNAM

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10.

Mesoscale convective systems during NAME, Mesoscale convective systems during NAME
VALDÉS-MANZANILLA, A.; Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México - BARRADAS MIRANDA, V. L.

Formato:	,
Enlaces:	This work examines Mesoscale Convective Systems (MCS) observed during the North American Monsoon Experiment (NAME), using data of deployed instruments in Northwest Mexico like weather radar, atmospheric soundings and weather satellite. Satellite infrared images were used to define these meteorological…
Fecha:	2012-03-30
Recurso:	Revistas UNAM

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11.

Oceanic influence on southernmost South American precipitation, Oceanic influence on southernmost South American precipitation
BERMAN, A. L.; Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México - SILVESTRI, G. - COMPAGNUCCI, R. - VELASCO HERRERA, V.

Formato:	,
Enlaces:	The potential oceanic influence on southernmost South American precipitation since 1930 is analyzed in this study. The aim is to define oceanic characteristics that can produce wetter or drier conditions over the mentioned region on different time scales. Results suggest…
Fecha:	2012-06-29
Recurso:	Revistas UNAM

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12.

Numerical simulation of a heavy rainfall event over Portugal using mesoscale model, Numerical simulation of a heavy rainfall event over Portugal using mesoscale model
RAMOS, A. M.; Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México - CONDE, F. C. - MOREIRA, D. S. - FREITAS, S. R. - LUCAS, E. W. M.

Formato:	,
Enlaces:	Strong rainfall events have unquestionably one of the largest economic and social impacts of any atmospheric phenomena. The purpose of this paper is to simulate the weather conditions associated with the heavy precipitation episode during 11-13 March 2002, which generated…
Fecha:	2012-06-29
Recurso:	Revistas UNAM

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13.

Source apportionment of ambient PM10. A case study from a mining belt of Orissa, Título Source apportionment of ambient PM10. A case study from a mining belt of Orissa
ROY, P.; Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México - KUMAR SIKDAR, P. - SINGH, G. - KUMAR PAL, A.

Formato:	,
Enlaces:	Samples of particulate matter of size 10 micron (PM10) were collected in Talcher, Orissa (India) from six sites with different land-uses. The sampling was done concurrently twice a week during the months of June 2008, November 2008 and January 2009.…
Fecha:	2012-06-29
Recurso:	Revistas UNAM

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14.

Cluster analysis for validated climatology stations using precipitation in Mexico, Cluster analysis for validated climatology stations using precipitation in Mexico
BRAVO CABRERA, J. L.; Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México - AZPRA ROMERO, E. - ZARRALUQUI SUCH, V. - GAY GARCÍA, C. - ESTRADA PORRÚA, F.

Formato:	,
Enlaces:	Annual average of daily precipitation was used to group climatological stations into clusters using the k-means procedure and principal component analysis with varimax rotation. After a careful selection of the stations deployed in Mexico since 1950, we selected 349 characterized…
Fecha:	2012-09-28
Recurso:	Revistas UNAM

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15.

Variations in aerosol optical and microphysical properties during an Indian festival observed with space-borne and ground-based observations, Variations in aerosol optical and microphysical properties during an Indian festival observed with space-borne and ground-based observations
VIJAYAKUMAR, K.; Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México - DEVARA, P. C. S.

Formato:	,
Enlaces:	This study analyzes changes in the response of meteorological parameters, aerosol, ozone, and water vapor properties over a tropical urban station in Pune, India, using ground-based and satellite data sets from February 23 to March 4, 2010 covering the Holi…
Fecha:	2012-09-28
Recurso:	Revistas UNAM

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16.

Variability and trends of extreme dry and wet seasonal precipitation in Argentina. A retrospective analysis, Variability and trends of extreme dry and wet seasonal precipitation in Argentina. A retrospective analysis
Scian, Beatriz Viviana - Pierini, Jorge Omar; Universidad Nacional del Sur - CCT BB - CIC

Formato:	,
Enlaces:	Se analiza la variabilidad de la precipitación estacional en sus valores medios y extremos para varias regiones de Argentina al norte de 39º S, empleando series mensuales de lluvia que se extienden desde 1860 hasta 2006. Las estaciones seleccionadas pueden…
Fecha:	2012-12-14
Recurso:	Revistas UNAM

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17.

Effects of weather types on hospital admissions for respiratory diseases in Castilla-La Mancha, Spain, Effects of weather types on hospital admissions for respiratory diseases in Castilla-La Mancha, Spain
de Pablo, Fernando; Departamento de Física de la Atmósfera, Facultad de Ciencias, Universidad de Salamanca - Rivas Soriano, L.; Departamento de Física de la Atmósfera, Facultad de Ciencias, Universidad de Salamanca - Sánchez-Llorente, J. M.; Departamento de Física de la Atmósfera, Facultad de Ciencias, Universidad de Salamanca - Nájera-López, A.; Departamento de Ciencias Médicas, Facultad de Medicina, Universidad de Castilla-La Mancha

Formato:	,
Enlaces:	The aim of this study is to evaluate the relationship between the risk of hospital admission for respiratory diseases (RD) and the daily weather types during the period 2000-2006. A synoptic climatological approach is used to investigate links between air-mass…
Fecha:	2012-12-14
Recurso:	Revistas UNAM

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18.

A composite energetics study for contrasting south west monsoon years in the recent decade, Título A composite energetics study for contrasting south west monsoon years in the recent decade
DUTTA, S.; Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México - NARKHEDKAR, S. G. - DEVI, S. - SIKKA, D. R.

Formato:	,
Enlaces:	An attempt has been made to make a composite energetics study for the three contrasting types south west monsoon season (SWMS) over India, viz. marginally normal SWMS (2000 and 2001 when seasonal total rainfall was very close to 90%), normal…
Fecha:	2012-03-30
Recurso:	Revistas UNAM

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19.

Weather forecast sensitivity to changes in urban land covers using the WRF model for central México, Weather forecast sensitivity to changes in urban land covers using the WRF model for central México
LÓPEZ-ESPINOZA, E. D.; Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México - ZAVALA-HIDALGO, J. - GÓMEZ-RAMOS, O.

Formato:	,
Enlaces:	The impact on temperature of the urban growth in central Mexico from 1993 to 2009 and the sensitivity of forecast to change in land cover are studied using high resolution numerical simulations. The mesoscale atmospheric Weather Research and Forecasting model…
Fecha:	2012-03-30
Recurso:	Revistas UNAM

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20.

An artificial neural network model application for the estimation of thermal comfort conditions in mountainous regions, Greece, An artificial neural network model application for the estimation of thermal comfort conditions in mountainous regions, Greece
CHRONOPOULOS, K.; Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México - KAMOUTSIS, A. - MATSOUKIS, A. - MANOLI, E.

Formato:	,
Enlaces:	In this research, an artificial neural network model (ANN) was applied to estimate the thermal comfort conditions in the mountainous regions of Gerania (MG) and of Nafpaktia (MN) in Greece. Air temperature and relative humidity were recorded from June to…
Fecha:	2012-03-30
Recurso:	Revistas UNAM

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21.

Turbulence integral length and footprint dimension with reference to experimental data measured over maize cultivation in Po Valley, Italy, Turbulence integral length and footprint dimension with reference to experimental data measured over maize cultivation in Po Valley, Italy
MASSERONI, D.; Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México - RAVAZZANI, G. - CORBARI, C. - MANCINI, M.

Formato:	,
Enlaces:	The atmospheric turbulence in the planetary boundary layer (PBL) governs the mass and energy exchange over the soil-vegetation-atmosphere system. Micrometeorological stations based on the eddy-covariance technique have been recently developed for the assessment of latent and sensible heat fluxes through…
Fecha:	2012-03-30
Recurso:	Revistas UNAM

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22.

Optical properties and meteorological correlations of aerosol parameters during 2007-08 over Mohal in the Kullu Valley of northwestern Himalayan region, India, Optical properties and meteorological correlations of aerosol parameters during 2007-08 over Mohal in the Kullu Valley of northwestern Himalayan region, India
SHARMA, NAND LAL; Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México - KUNIYAL, JAGDISH CHANDRA - GULERIA, RAJ PAUL - SINGH, MAHAVIR

Formato:	,
Enlaces:	Observations from a ground based multi-wavelength radiometer (MWR) in the Kullu valley of the North Western Himalayan region from April 2007 to March 2008 show that the spectral aerosol optical depth (AOD) and the Ångstrӧm turbidity coefficient (β) are high…
Fecha:	2012-03-30
Recurso:	Revistas UNAM

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23.

Study of near surface boundary layer characteristics during pre-monsoon seasons using micrometeorological tower observations, Study of near surface boundary layer characteristics during pre-monsoon seasons using micrometeorological tower observations
Chaudhuri, Sutapa; Department of Atmospheric Sciences, University of Calcutta, India - Middey, Anirban; Department of Atmospheric Sciences, University of Calcutta, India

Formato:	,
Enlaces:	Studying the boundary layer is imperative because severe weather in this portion of the atmosphere impacts on environment and various facets of national activities and affects the socioeconomic scenario of a region. Near surface boundary layer characteristics are investigated through…
Fecha:	2012-12-14
Recurso:	Revistas UNAM

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24.

Analysis of the maximum daily temperature evolution on the Spanish Central Plateau, Analysis of the maximum daily temperature evolution on the Spanish Central Plateau
LABAJO, J. L.; Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México - LABAJO, A. L. - EGIDO, M. - MARTÍN, Q. - MORALES, C. - ORTEGA, M. T.

Formato:	,
Enlaces:	An analysis of the temporal behavior of the annual and seasonal frequencies of extreme maximum daily temperature values on the Spanish Central Plateau is performed. With the daily data on maximum temperatures measured at 14 weather stations, between 1961 and…
Fecha:	2012-06-29
Recurso:	Revistas UNAM

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25.

Frictional convergence, atmospheric convection, and causality, Frictional convergence, atmospheric convection, and causality
RAYMOND, D. J.; Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México - HERMAN, M. J.

Formato:	,
Enlaces:	Frictional convergence in an atmospheric boundary layer topped by a stable free troposphere is considered. In agreement with extensive previous work, we find that atmospheric stability reduces the vertical scale of the free tropospheric secondary circulation associated with frictional convergence.…
Fecha:	2012-06-29
Recurso:	Revistas UNAM

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26.

Sensitivity of simulated convection to soil moisture in a region in central Amazon, Sensitivity of simulated convection to soil moisture in a region in central Amazon
MENDINA, M.; Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México - TERRA, R.

Formato:	,
Enlaces:	We study the sensitivity of convective precipitation to soil moisture in a continental region in Central Amazon based on Atmospheric General Circulation Model (AGCM) simulations and further analyze the physical processes involved, in particular those related to the diurnal cycle.…
Fecha:	2012-06-29
Recurso:	Revistas UNAM

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27.

Analysis of interdecadal variability of temperature extreme events in Argentina applying EVT, Analysis of interdecadal variability of temperature extreme events in Argentina applying EVT
TENCER, B.; Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México - RUSTICUCCI, M.

Formato:	,
Enlaces:	The frequency of occurrence of temperature extreme events has changed throughout the last century: significant positive trends in warm nights and negative trends in cold nights have been observed all over the world. In Argentina, the probability of occurrence of…
Fecha:	2012-09-28
Recurso:	Revistas UNAM

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28.

Determination of the Jenkinson and Collison’s weather types for the western Mediterranean basin over the 1948-2009 period. Temporal analysis, Determination of the Jenkinson and Collison’s weather types for the western Mediterranean basin over the 1948-2009 period. Temporal analysis
Grimalt, M.; Group of Climatology, Hidrology and Natural Hazards, University of Balearic Islands - Tomàs, M.; Group of Climatology, Hidrology and Natural Hazards, University of Balearic Islands - Alomar, G.; Group of Climatology, Hidrology and Natural Hazards, University of Balearic Islands - Martin-Vide, J.; Group of Climatology, University of Barcelona - Moreno-García, M. C.; Group of Climatology, University of Barcelona

Formato:	,
Enlaces:	We determined the weather type, according to the Jenkinson and Collison procedure, of the 22 646 days in the 1948-2009 period for the western Mediterranean basin. The analysis is based upon the surface pressure values of the NCEP/NCAR reanalysis, for…
Fecha:	2012-12-14
Recurso:	Revistas UNAM

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29.

Evaluación económica de dos variaciones de un tratamiento lactoinductor en vaquillas de reemplazo en un sistema de doble propósito tropical, Economic evaluation of two variations of a hormonal induction treatment in replacement heifers in a tropical dual purpose system
Centeno Bautista, Sinal; Departamento de Economía, Administración y Desarrollo Rural. Facultad de Medicina Veterinaria y Zootecnia. Universidad Nacional Autónoma de México - Luna Palomera, Carlos; Universidad Juárez Autónoma de Tabasco - Pérez Mora, Alfonso; Práctica privada - Rodríguez Hernández, Karla; Campo experimental La Laguna. Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias - Villa Godoy, Alejandro; Departamento de Fisiología y Farmacología. Facultad de Medicina Veterinaria y Zootecnia. Universidad Nacional Autónoma de México - Trueta Santiago, Rafael; Departamento de Economía, Administración y Desarrollo Rural. Facultad de Medicina Veterinaria y Zootecnia. Universidad Nacional Autónoma de México

Formato:	,
Enlaces:	Los objetivos del presente trabajo fueron: 1) evaluar la productividad y rentabilidad de dos fuentes comerciales de progesterona como integrantes de un tratamiento lactoinductor en vaquillas de reemplazo de un hato de doble propósito y 2) determinar la productividad y…
Fecha:	2012-12-15
Recurso:	Revistas UNAM