Search results for "Cosmic Rays Showers"

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Description of atmospheric conditions at the Pierre Auger Observatory using the Global Data Assimilation System (GDAS)

2012

Atmospheric conditions at the site of a cosmic ray observatory must be known for reconstructing observed extensive air showers. The Global Data Assimilation System (GDAS) is a global atmospheric model predicated on meteorological measurements and numerical weather predictions. GDAS provides altitude-dependent profiles of the main state variables of the atmosphere like temperature, pressure, and humidity. The original data and their application to the air shower reconstruction of the Pierre Auger Observatory are described. By comparisons with radiosonde and weather station measurements obtained on-site in Malargüe and averaged monthly models, the utility of the GDAS data is shown.

AstronomyAtmospheric modelAtmospheric monitoringAtmospheric sciencesCosmic Rays Shower01 natural scienceslaw.inventionData assimilationlawcosmic rays; extensive air showers; atmospheric monitoring; atmospheric modelsDEPENDENCEATMOSFERA (OBSERVAÇÃO)TEMPERATUREPhysics::Atmospheric and Oceanic PhysicsPhysicsHigh Energy Astrophysical Phenomena (astro-ph.HE)[PHYS]Physics [physics]Cascada atmosférica extensaOPTICAL DEPTH[SDU.ASTR.HE]Sciences of the Universe [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE]Astrophysics::Instrumentation and Methods for AstrophysicsPierre Auger ObservatoryAtmospheric temperatureRadiación cósmicaAtmosphere of EarthComputingMethodologies_DOCUMENTANDTEXTPROCESSINGRadiosondeFísica nuclearREFRACTIVE-INDEXAstrophysics - High Energy Astrophysical Phenomena[PHYS.ASTR.HE]Physics [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE]MeteorologyAtmospheric MonitoringAstrophysics::High Energy Astrophysical PhenomenaFOS: Physical sciencesCosmic Rays ShowersEXTENSIVE AIR-SHOWERSCosmic RayAtmósferaWeather stationAtmospheric models0103 physical sciencesExtensive air showers010306 general physicsCosmic raysDETECTORCiencias ExactasPierre Auger ObservatoryAtmospheric models010308 nuclear & particles physicsFísicaAstronomy and Astrophysics13. Climate actionExperimental High Energy PhysicsEMISSION[PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph]
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