Browsing by Author "Rodríguez Gómez, Alejandro Antonio"
Now showing items 1-20 of 61
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A 1-D radiative transfer study of mineral dust during CHARMEX/ADRIMED 2013 campaign
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Conference report
Restricted access - publisher's policyA 1-D radiative transfer study is presented based on the measurements performed at Granada during a dust event within the framework of the ChArMEx/ADRIMED (Chemistry-Aerosol Mediterranean Experiment/Aerosol Direct Radiative ... -
A comparative analysis of aerosol optical coefficients and their associated errors retrieved from pure-rotational and vibro-rotational raman lidar signals
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-02-11)
Article
Open AccessThis paper aims to quantify the improvement obtained with a purely rotational Raman (PRR) channel over a vibro-rotational Raman (VRR) channel, used in an aerosol lidar with elastic and Raman channels, in terms of signal-to-noise ... -
A Methodology for investigating dust model performance using synergistic EARLINET/AERONET dust concentration retrievals
(2015-09-04)
Article
Open AccessSystematic measurements of dust concentration profiles at a continental scale were recently made possible by the development of synergistic retrieval algorithms using combined lidar and sun photometer data and the establishment ... -
A network of water vapor Raman lidars for improving heavy precipitation forecasting in southern France: introducing the WaLiNeAs initiative
(Springer, 2021-12)
Article
Open AccessExtreme heavy precipitation events (HPEs) pose a threat to human life but remain difficult to predict because of the lack of adequate high frequency and high-resolution water vapor (WV) observations in the low troposphere ... -
Aerosol radiative impact during the summer 2019 heatwave produced partly by an inter-continental Saharan dust outbreak – Part 1: Short-wave dust direct radiative effect
(European Geosciences Union (EGU), 2021-04-30)
Article
Open AccessThe short-wave (SW) direct radiative effect (DRE) during the summer 2019 heatwave produced partly by a moderate, long-lasting Saharan dust outbreak over Europe is analysed in this study. Two European sites (periods) are ... -
Aerosol stratification characterization of an astronomical site by means of a backscatter lidar at the Roque de los Muchachos Observatory
(2009)
Conference report
Open AccessThe Roque de los Muchachos Observatory, located on the island of La Palma in the Canary Islands, is home of many astronomical facilities. In the context of the Extremely Large Telescope Design Study, an intensive lidar ... -
An architecture providing depolarization ratio capability for a multi-wavelength Raman lidar: implementation and first measurements
(MDPI AG, 2017-12-20)
Article
Open AccessA new architecture for the measurement of depolarization produced by atmospheric aerosols with a Raman lidar is presented. The system uses two different telescopes: one for depolarization measurements and another for ... -
An automatic observation-based aerosol typing method for EARLINET
(European Geosciences Union (EGU), 2018-11-06)
Article
Open AccessWe present an automatic aerosol classification method based solely on the European Aerosol Research Lidar Network (EARLINET) intensive optical parameters with the aim of building a network-wide classification tool that ... -
An EARLINET early warning system for atmospheric aerosol aviation hazards
(European Geosciences Union (EGU), 2020-09-15)
Article
Open AccessA stand-alone lidar-based method for detecting airborne hazards for aviation in near real time (NRT) is presented. A polarization lidar allows for the identification of irregular-shaped particles such as volcanic dust and ... -
Anemómetro laser doppler para la medida de dos componentes de velocidad para aplicaciones hidrodinamicas (2d-lda)
(Universidad Europea de Madrid, 2001)
Conference report
Open AccessA Laser Doppler Anemometer system designed to measure two components of the velocity vector in fluids is presented. The scheme followed is the differential technique with backward scattering ... -
Atmospheric aerosol measurement with a network of advanced lidar instruments
(2013-03-11)
Article
Restricted access - publisher's policyA European network of atmosphere sensors uses multi-wavelength elastic-Raman lidar instruments in its infrastructure. -
Calculation of the overlap function and associated error of an elastic lidar or a ceilometer: Cross-comparison with a cooperative overlap-corrected system
(Multidisciplinary Digital Publishing Institute (MDPI), 2020-11-05)
Article
Open AccessThis paper establishes the relationship between the signal of a lidar system corrected for the incomplete overlap effect and the signal of another lidar system or a ceilometer for which the overlap function is unknown. ... -
Calibration of Raman lidar water vapor mixing ratio measurements using zenithal measurements of diffuse sunlight and a radiative transfer model
(Institute of Electrical and Electronics Engineers (IEEE), 2018-07-20)
Article
Open AccessAmong the different techniques available for measuring the atmospheric water vapor content, Raman lidars stand out as accurate instruments providing detailed profiles with high temporal and altitude resolution. Their ... -
Concept design of a multiwavelength aerosol lidar system with mitigated diattenuation effects and depolarization-measurement capability
(EDP Sciences, 2016)
Conference lecture
Open AccessIt is known that the retrieval of aerosol extinction and backscatter coefficients from lidar data acquired through so-called total-power channels – intended to measure the backscattered power irrespective of the polarization ... -
Considerations about the determination of the depolarization calibration profile of a two-telescope lidar and its implications for volume depolarization ratio retrieval
(Multidisciplinary Digital Publishing Institute (MDPI), 2018-06-04)
Article
Open AccessWe propose a new method for calculating the volume depolarization ratio of light backscattered by the atmosphere and a lidar system that employs an auxiliary telescope to detect the depolarized component. It takes into ... -
Contribution of EARLINET/ACTRIS to the summer 2013 special observing period of the ChArMEx project: monitoring of a Saharan dust event over the western and central Mediterranean
(2016-10-22)
Article
Open AccessIn the framework of the Chemistry-Aerosol Mediterranean Experiment (ChArMEx; http://charmex.lsce.ipsl.fr/) initiative, a field campaign took place in the western Mediterranean Basin between 10 June and 5 July 2013 within ... -
Current research in lidar technology used for the remote sensing of atmospheric aerosols
(MDPI AG, 2017-06-20)
Article
Open AccessLidars are active optical remote sensing instruments with unique capabilities for atmospheric sounding. A manifold of atmospheric variables can be profiled using different types of lidar: concentration of species, wind ... -
Depolarization channel for barcelona lidar. Implementation and preliminary measurements
(EDP Sciences, 2018)
Conference lecture
Open AccessA new depolarization channel has beenimplemented in the BarcelonaTech University(UPC) multi-wavelength lidar system. The opticaland mechanical designs are presented. The specialconfiguration of the total power channel is ... -
Diffuse sunlight based calibration of the water vapor channel in the UPC Raman lidar
(EDP Sciences, 2017)
Conference lecture
Open AccessA method for determining the calibration factor of the water vapor channel of a Raman lidar, based on zenith measurements of diffuse sunlight and on assumptions regarding some system parameters and Raman scattering models, ... -
Dimensionless parameterization of lidar for laser remote sensing of the atmosphere and its application to systems with SiPM and PMT detectors
(2014-05-20)
Article
Open AccessIn this paper, we show a renewed approach to the generalized methodology for atmospheric lidar assessment, which uses the dimensionless parameterization as a core component. It is based on a series of our previous works ...
