Enviaments recents

  • Impact of mineral dust on shortwave and longwave radiation: evaluation of different vertically resolved parameterizations in 1-D radiative transfer computations 

    Granados Muñoz, Maria Jose; Sicard, Michaël; Román Díez, Roberto; Benavent Oltra, Pablo; Barragán Cuesta, Rubén; Brogniez, G.; Denjean, Cyrielle; Mallet, Marc; Formenti, P; Torres, Banjamin; Alados Arboledas, Lucas (European Geosciences Union (EGU), 2019-01-14)
    Article
    Accés obert
    Aerosol radiative properties are investigated in southeastern Spain during a dust event on June 16-17, 2013 in the framework of the ChArMEx/ADRIMED (Chemistry-Aerosol Mediterranean Experiment /Aerosol Direct Radiative ...
  • Collimated beam FMCW radar for vital sign patient monitoring 

    Prat, Arnau; Blanch Boris, Sebastián; Aguasca Solé, Alberto; Romeu Robert, Jordi; Broquetas Ibars, Antoni (2018-12-18)
    Article
    Accés obert
    Patient monitoring of vital signals such as breathing rhythm and heart beat rate can be done remotely by the use of a radar system. This approach is advantageous since it does not require any contact with the patient. ...
  • Calibration of the MIRAS Radiometers 

    Corbella Sanahuja, Ignasi; Torres Torres, Francisco; Duffo Ubeda, Núria; Durán Martínez, Israel; González Gambau, Verónica; Oliva Balagué, Roger; Closa, Josep; Martín Neira, Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2018-12-21)
    Article
    Accés obert
    The microwave imaging radiometer with aperture synthesis (MIRAS) is formed by 69 total power radiometers, of which three are the noise-injection type. Their calibration is reviewed on the basis of the data gathered during ...
  • Calibration of Raman lidar water-vapor mixing ratio measurements using zenithal measurements of diffuse sunlight and a radiative transfer model 

    Muñoz Porcar, Constantino; Comerón Tejero, Adolfo; Sicard, Michaël; Barragán Cuesta, Rubén; García Vizcaíno, David; Rodríguez Gómez, Alejandro Antonio; Rocadenbosch Burillo, Francisco; Granados Muñoz, María José (Institute of Electrical and Electronics Engineers (IEEE), 2018-07-20)
    Article
    Accés obert
    Among 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 ...
  • Estimation of the motion-induced horizontal-wind-speed standard deviation in an offshore doppler lidar 

    Gutiérrez Antuñano, Miguel Ángel; Tiana Alsina, Jordi; Salcedo, A.; Rocadenbosch Burillo, Francisco (Multidisciplinary Digital Publishing Institute (MDPI), 2018-12-14)
    Article
    Accés obert
    This work presents a new methodology to estimate the motion-induced standard deviation and related turbulence intensity on the retrieved horizontal wind speed by means of the velocity-azimuth-display algorithm applied to ...
  • Sensitivity of TDS-1 GNSS-R reflectivity to soil moisture: global and regional differences and impact of different spatial scales 

    Camps Carmona, Adriano José; Vall-llossera, M.; Hyuk, Park; Portal González, Gerard; Rossato, Luciana (Multidisciplinary Digital Publishing Institute (MDPI), 2018-11-01)
    Article
    Accés obert
    The potential of Global Navigation Satellite Systems-Reflectometry (GNSS-R) techniques to estimate land surface parameters such as soil moisture (SM) is experimentally studied using 2014-2017 global data from the UK ...
  • Gaps analysis and requirements specification for the evolution of Copernicus system for polar regions monitoring: addressing the challenges in the horizon 2020-2030 

    Lancheros, Estefany; Camps Carmona, Adriano José; Hyuk, Park; Sicard, P.; Mangin, A.; Matevosyan, H.; Lluch, I. (Multidisciplinary Digital Publishing Institute (MDPI), 2018-07-01)
    Article
    Accés obert
    This work was developed as part of the European H2020 ONION (Operational Network of Individual Observation Nodes) project, aiming at identifying the technological opportunity areas to complement the Copernicus space ...
  • Vertically resolved precipitation intensity retrieved through a synergy between the ground-based NASA MPLNET lidar network measurements, surface disdrometer datasets and an analytical model solution 

    Lolli, S.; D'Adderio, L.P.; Campbell, J.R.; Sicard, Michaël; Welton, E.J.; Binci, A.; Rea, Alessandro; Tokay, A.; Comerón Tejero, Adolfo; Barragán Cuesta, Rubén; Baldasano Recio, José María; González, Sergio; Bech, Joan; Afflitto, Nicola; Lewis, J.R.; Madonna, Fabio (Multidisciplinary Digital Publishing Institute (MDPI), 2018-07-01)
    Article
    Accés obert
    In this paper, we illustrate a new, simple and complementary ground-based methodology to retrieve the vertically resolved atmospheric precipitation intensity through a synergy between measurements from the National Aeronautics ...
  • Ship detection in SAR images based on Maxtree representation and graph signal processing 

    Salembier Clairon, Philippe Jean; Liesegang Maria, Sergi; López Martínez, Carlos (Institute of Electrical and Electronics Engineers (IEEE), 2018-01-01)
    Article
    Accés obert
    This paper discusses an image processing architecture and tools to address the problem of ship detection in synthetic-aperture radar images. The detection strategy relies on a tree-based representation of images, here a ...
  • An automatic observation-based aerosol typing method for EARLINET 

    Papagiannopoulos, N.; Mona, Lucia; Amodeo, Aldo; D'Amico, Giuseppe; Comerón Tejero, Adolfo; Rodríguez Gómez, Alejandro Antonio; Sicard, Michaël (European Geosciences Union (EGU), 2018-11-06)
    Article
    Accés obert
    We 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 ...
  • Modeling the two- and three-dimensional displacement field in Lorca, Spain, subsidence and the global implications 

    Fernández Torres, José; Prieto Morin, Juan Francisco; Escayo Menéndez, Joaquín; Mallorquí Franquet, Jordi Joan (Nature, 2018-12-01)
    Article
    Accés obert
    Land subsidence associated with overexploitation of aquifers is a hazard that commonly affects large areas worldwide. The Lorca area, located in southeast Spain, has undergone one of the highest subsidence rates in Europe ...
  • Tools for communicating agricultural drought over the Brazilian Semiarid using the soil moisture index 

    Zeri, Marcelo; Alvalá Célia dos Santos, Regina; Carneiro, Rogério; Spatafora, Luciana Rossato; Vall-Llossera Ferran, Mercedes Magdalena (2018-10-11)
    Article
    Accés obert
    Soil moisture over the Brazilian semiarid region is presented in different visualizations that highlight spatial, temporal and short-term agricultural risk. The analysis used the Soil Moisture Index (SMI), which is based ...

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