Now showing items 1-12 of 1123

  • Modelling of airborne pollen dispersion in the atmosphere in the Catalonia region, Spain: model description, emission scheme and evaluation of model performance for the case of Pinus 

    Sicard, Michaël; Jorba Casellas, Oriol; Izquierdo Miguel, Rebeca; Alarcón Jordán, Marta; De Linares, Concepción; Belmonte Soler, Jordina (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2019)
    Conference lecture
    Restricted access - publisher's policy
    Pollination is a biologically-relevant process that affects the structure of ecosystems since pollen contributes to determine the spatial distribution of plant species. It is thus of interest for mapping ecosystem services ...
  • SMF-POLOPT: an adaptive multitemporal pol(DIn)SAR filtering and phase optimization algorithm for PSI applications 

    Zhao, Feng; Mallorquí Franquet, Jordi Joan (Institute of Electrical and Electronics Engineers (IEEE), 2019-09-01)
    Article
    Open Access
    Speckle noise and decorrelation can hamper the application and interpretation of PolSAR images. In this paper, a new adaptive multitemporal Pol(DIn)SAR filtering and phase optimization algorithm is proposed to address these ...
  • Progress toward characterization of the atmospheric boundary layer over northern Alabama using observations by a vertically pointing, S-band profiling radar during VORTEX-Southeast 

    Tanamachi, Robin; Frasier, Steve; Waldinger, Joseph; LaFleur, Allison T.; Turner, David Dave; Rocadenbosch Burillo, Francisco (American Meteorological Society, 2019-09-09)
    Article
    Open Access
    During spring 2016 and spring 2017, a vertically pointing, S-band FMCW radar (UMass FMCW) was deployed in northern Alabama under the auspices of the Verification of the Origins of Rotation in Tornadoes Experiment (VORTEX) ...
  • Performance of a dust model to predict the vertical mass concentration of an extreme Saharan dust event in the Iberian Peninsula: Comparison with continuous, elastic, polarization-sensitive lidars 

    Cordoba Jabonero, Carmen; Sicard, Michaël; del Aguila, Ana; Jiménez Michavila, Marcos; Zorzano, María-Paz (2019-10-01)
    Article
    Restricted access - publisher's policy
    An intense dusty event unusually occurred in wintertime over the Iberian Peninsula was detected over two Spanish NASA/MPLNET sites: the temporary Torrejón Observational Tower for Environmental Monitoring (TOTEM, 40.5°N ...
  • Impact of signal quantization on the performance of RFI mitigation algorithms 

    Díez García, Raúl; Camps Carmona, Adriano José (Multidisciplinary Digital Publishing Institute (MDPI), 2019-01-01)
    Article
    Open Access
    Radio Frequency Interference (RFI) is currently a major problem in Communications and Earth Observation, but it is even more dramatic in Microwave Radiometry because of the low power levels of the received signals. Its ...
  • Validation of AERONET-estimated upward broadband solar fluxes at the top-of-the-atmosphere with CERES measurements 

    Sicard, Michaël (Multidisciplinary Digital Publishing Institute (MDPI), 2019-09-01)
    Article
    Open Access
    The AERONET (Aerosol Robotic Network) global network provides estimations of broadband solar radiative fluxes at the surface and at the TOA (Top-Of-the-Atmosphere). This paper reports on the validation of AERONET flux ...
  • Characterization of aerosol hygroscopicity using Raman lidar measurements at the EARLINET station of Payerne 

    Navas Guzmán, Francisco; Martucci, Giovanni; Collaud Coen, Martine; Granados Muñoz, María José; Hervo, Maxime; Sicard, Michaël; Haefele, Alexander (European Geosciences Union (EGU), 2019-09-17)
    Article
    Open Access
    This study focuses on the analysis of aerosol hygroscopicity using remote sensing techniques. Continuous observations of aerosol backscatter coefficient (ßaer), temperature (T) and water vapor mixing ratio (r) have been ...
  • Introducing the Atmospheric Thermodynamics LidAr in Space – ATLAS 

    Di Girolamo, Paolo; Behrendt, Andreas; Wulfmeyer, Volker; Comerón Tejero, Adolfo; Keckhut, Philippe; Hauchecorne, Alain; Richard, Evelyne; Marenco, Franco; Vaughan, Geraint; Rotach, Mathias; Potthast, Roland; Geer, Alan; Demoz, Belay B.; Santanello, Joseph; Whiteman, David N.; Turner, David Dave (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2018)
    Conference lecture
    Open Access
    Our understanding of the distribution of heat and water in the atmosphere still shows critical gaps on all temporal and spatial scales. This is mainly due to a lack of accurate measurements of water vapor ...
  • Extreme, wintertime Saharan dust outbreak in the Iberian Peninsula: lidar monitoring and evaluation of dust forecast models during the February 2017 event 

    Fernández García, Alfonso Javier; Sicard, Michaël; Costa, Maria João; Guerrero Rascado, Juan Luis; Gomez Amo, J.L.; Molero, Francisco; Barragán Cuesta, Rubén; Basart, Sara; Bortoli, D.; Bedoya Velásquez, Andrés Esteban; Granados Muñoz, María José; Martínez Lozano, José Antonio; Artiñano, Begoña; Muñoz Porcar, Constantino; Román Díez, Roberto; Rocadenbosch Burillo, Francisco; Benavent Oltra, José Antonio; Rodríguez Gómez, Alejandro Antonio; Alados Arboledas, Lucas; Comerón Tejero, Adolfo; Pujadas Cordero, Manuel (2019-06-18)
    Article
    Open Access
    An unprecedented extreme Saharan dust event was registered in winter time from 20 to 23 February 2017 over the Iberian Peninsula (IP). We report on aerosol optical properties observed under this extreme dust intrusion ...
  • Ground/space, passive/active remote sensing observations coupled with particle dispersion modelling to understand the inter-continental transport of wildfire smoke plumes 

    Sicard, Michaël; Granados Muñoz, María José; Alados Arboledas, Lucas; Barragán Cuesta, Rubén; Bedoya Velásquez, Andrés Esteban; Benavent Oltra, José Antonio; Bortoli, D.; Comerón Tejero, Adolfo; Cordoba Jabonero, Carmen; Costa, Maria João; del Aguila, Ana; Fernández García, Alfonso Javier; Guerrero Rascado, Juan Luis; Jorba Casellas, Oriol; Molero, Francisco; Muñoz Porcar, Constantino; Papagiannopoulos, N.; Pujadas Cordero, Manuel; Rocadenbosch Burillo, Francisco; Rodríguez Gómez, Alejandro Antonio; Sola Salvatierra, Yolanda (2019-10-01)
    Article
    Restricted access - publisher's policy
    During the 2017 record-breaking burning season in Canada/United States, intense wild fires raged during the first week of September in the Pacific northwestern region (British Columbia, Alberta, Washington, Oregon, Idaho, ...
  • 3-D printed UWB microwave bodyscope for biomedical measurements 

    Rashid, Saba; Jofre Roca, Lluís; Garrido, Alejandra; González, Giselle; Ding, Yongsheng; Aguasca Solé, Alberto; O'Callaghan Castellà, Juan Manuel; Romeu Robert, Jordi (2019-02-15)
    Article
    Open Access
    In this letter, a three-dimensional (3-D) printed compact ultrawideband (UWB) extended gap ridge horn (EGRH) antenna designed to be used for biological measurements of the human body is described. The operational frequency ...
  • Wide field of view microwave interferometric radiometer imaging 

    Corbella Sanahuja, Ignasi; Torres Torres, Francisco; Duffo Ubeda, Núria; Durán Martínez, Israel; González Gambau, Verónica; Martín Neira, Manuel (Multidisciplinary Digital Publishing Institute (MDPI), 2019-03-02)
    Article
    Open Access
    In microwave interferometric radiometers with a large field of view, as for example the Microwave Imaging Radiometer with Aperture Synthesis (MIRAS) onboard the Soil Moisture and Ocean Salinity (SMOS) satellite, one of the ...