86 research outputs found

    Aplicación de modelos de transferencia radiativa para el control operativo del programa BSRN (Baseline Surface Radiation Network) del Centro de Investigación Atmosférica de Izaña [Tesis]

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    Tesis presentada en la Universidad de Valladolid. Departamento de Física Teórica, Atómica y Óptica[ES]En este trabajo de tesis doctoral abordamos el análisis de las tres componentes de la radiación solar (global, directa y difusa) medidas experimentalmente en la estación BSRN de Izaña. En primer lugar nos centraremos en la puesta a punto de las diferentes metodologías, algoritmos y técnicas de la BSRN, así como en la aplicación de los diferentes controles de calidad de las medidas.[EN]In this work we analyze the solar radiation components, global, direct and diffuse, measured at the Izaña Station. Firstly we focus on the main BSRN methodologies, algorithms and techniques, as well as the application of quality controls to the measurements.Esta tesis doctoral ha sido realizada en el marco del Convenio de Colaboración entre la Universidad de Valladolid y la Agencia Estatal de Meteorología para el “Establecimiento de metodologías y sistemas de control de calidad para los programas de fotometría, radiometría, ozono y aerosoles atmosféricos en el marco del programa de vigilancia atmosférica global de la Organización Meteorológica Mundial

    Climatology of new particle formation at Izaña mountain GAW observatory in the subtropical North Atlantic

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    A climatology of new particle formation (NPF) events at high altitude in the subtropical North Atlantic is presented. A 4-year data set (June 2008–June 2012), which includes number size distributions (10–600 nm), reactive gases (SO2, NOx, and O3), several components of solar radiation and meteorological parameters, measured at Izaña Global Atmosphere Watch (GAW) observatory (2373 m above sea level; Tenerife, Canary Islands) was analysed. NPF is associated with the transport of gaseous precursors from the boundary layer by orographic buoyant upward flows that perturb the low free troposphere during daytime. On average, 30% of the days contained an NPF event.This study was performed within the context of several projects, supported by the Ministry of Economy and Competitiveness of Spain (POLLINDUST, CGL2011-26259), REDMAAS (CGL2011- 15008-E) and GRACCIE (CSD2007-00067) and by the European Union (FP7, ACTRIS, grant contract: 262254)

    Characterization of new particles formation events at Izaña Mountain Observatory (Tenerife, Canary Islands): formation, growth rates and influencing atmospheric parameters

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    Comunicación presentada en: 2012 European Aerosol Conference (EAC-2012), B-WG01S2P30, celebrada del 2 al 7 de septiembre de 2012 en Granada.This study was performed within the context of projects REDMAAS (CGL2011-15008-E) and POLLINDUST (CGL2011-26259)

    Influence of ships emissions in the ultrafine particles pollution in an urban coastal air

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    Comunicación presentada en: V Reunión Española de Ciencia y Tecnología de Aerosoles – RECTA 2011 celebrada del 27 al 29 de junio de 2011 en CIEMAT, Madrid.Experimental data (2008-2009) of particle number (N≥2.5 nm diameter) and black carbon (BC) concen-trations and of gaseous pollutants recorded in the city of Santa Cruz de Tenerife was analyzed in order to asses the impact of ship emissions on the ultrafine particle (UFP) concentrations in coastal urban areas. The observed relationship between N and the other air pollutants, allowed segregating the contribu-tion of vehicle exhaust and of ship emissions to the UFP con-centrations in the urban ambient air. The influence of fresh vehicle exhaus

    Sistema de adquisición y procesado de datos en tiempo real para la red antártica de radiómetros NILU-UV

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    Póster elaborado para el Simposio Español de Estudios Polares celebrado en Granada, los días 18-20 de septiembre de 2006Este trabajo ha sido realizado gracias al proyecto MANA (“Measuring Antarctic Network Aerosols”) financiado dentro del Plan Nacional I+D del Ministerio de Ciencia y Tecnología (GL2004-05419-CO2-02/ANT)

    Correcting Stray Light in Single-monochromator Brewer Spectrophotometers

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    Póster presentado en: Quadrennial Ozone Symposium 2012 (QOS 2012), celebrado del 27 al 31 de agosto de 2012 en Toronto, Canada

    Comparison between measurements and model simulations of solar radiation at a high altitude site: case studies for the Izaña BSRN Station [Póster]

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    Póster presentado en: International Radiation Symposium, celebrado del 6 al 10 de agosto de 2012 en Berlín, Alemania.Financial supports from the Spanish MICIIN for projects CGL2009-09740, CGL2011-23413 and CGL2010-09480E, CGL2011-13085-E are gratefully acknowledged. We authors to acknowledge the AERONET-PHOTONS-RIMA networks (http://aeronet.gsfc.nasa.gov) and the LibRadtran model (http://www.libradtran.org)

    La estación BSRN de Izaña

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    Financial supports from the Spanish MICIIN (ref. CGL2008‐05939‐CO3‐00/CLI and CGL2009 09740) and from the GR‐220 Project of the Junta de Castilla y León are Gratefully acknowledged
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