Exploració per tema "MODIS"

Ara es mostren els items 1-18 de 18

    • A downscaling approach to combine SMOS multi-angular and full-polarimetric observations with MODIS VIS/IR data into high resolution soil moisture maps 

      Piles Guillem, Maria; Vall-Llossera Ferran, Mercedes Magdalena; Laguna, Laia; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      A downscaling algorithmfor SMOS which combines MODIS Visible/Infrared data and SMOS horizontal brightness temperatures at 42.5◦ incidence angle into high-resolution soil moisture maps has been shown to nicely reproduce ...

    • A sensitivity study of land surface temperature to soil moisture using in-situ and spaceborne observations 

      Pablos Hernández, Miriam; Piles Guillem, Maria; Sanchez, Nilda; Gonzalez Gambau, Verónica; Vall-Llossera Ferran, Mercedes Magdalena; Camps Carmona, Adriano José; Martinez Fernandez, Jose (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Surface Soil Moisture (SSM) affects the soil surface energy balance and thus affects the Land Surface Temperature (LST), and viceversa. Currently, LST and SSM are remotely sensed using TIR sensors and L-band radiometers, ...

    • Analysis of the influence of river discharge and wind on the Ebro turbid plume using MODIS-Aqua and MODIS-Terra data 

      Fernandez Novoa, D; Mendes, R; De Castro, M; Dias, J. M; Sánchez-Arcilla Conejo, Agustín; Gomez Gesteira, Moncho (2015-02)
      Article
      Accés restringit per política de l'editorial
      The turbid plume formed at many river mouths influences the adjacent coastal area because it transports sediments, nutrients, and pollutants.; The effects of the main forcings affecting the Ebro turbid plume were analyzed ...

    • Combining SMOS with visible and near/shortwave/thermal infrared satellite data for high resolution soil moisture estimates 

      Sanchez Ruiz, Sergio; Piles Guillem, Maria; Sanchez, Nilda; Martinez Fernandez, Jose; Vall-Llossera Ferran, Mercedes Magdalena; Camps Carmona, Adriano José (Elsevier, 2014-08-04)
      Article
      Accés restringit per política de l'editorial
      Sensors in the range of visible and near-shortwave-thermal infrared regions can be used in combination with passive microwave observations to provide soil moisture maps at much higher spatial resolution than the original ...

    • Estudio de la evolución del manto nival en el Pirineo (invierno 2009-2010) a partir de imágenes MODIS 

      Serrano Calvo, Raquel (Universitat Politècnica de Catalunya, 2013-07-15)
      Tesina
      Accés obert
      L'estudi de la cobertura nival és una part molt important en el càlcul de les aportacions d'aigua als rius. Aquest treball tracta sobre l'estudi de l'evolució de la coberta de neu al Pirineu mitjançant imatges del sensor  ...

    • Impact of day/night time land surface temperature in soil moisture disaggregation algorithms 

      Pablos Hernández, Miriam; Piles Guillem, Maria; Sánchez, Nilda; Vall-Llossera Ferran, Mercedes Magdalena; Martinez Fernandez, Jose; Camps Carmona, Adriano José (2016-09-15)
      Article
      Accés obert
      Since its launch in 2009, the ESA’s SMOS mission is providing global soil moisture (SM) maps at ~40 km, using the first L-band microwave radiometer on space. Its spatial resolution meets the needs of global applications, ...

    • Mapas de fusión de la nieve en el Pre-Pirineo catalán a partir de datos MODIS/Terra 

      Jorge Sánchez, Juan; Herms Canellas, Joan Ignasi (2015)
      Comunicació de congrés
      Accés obert
      En hidrología importa conocer cuándo se produce el deshielo de la nieve. La creación de mapas de fusión de la nieve se lleva a cabo a partir de datos que pueden obtenerse a partir de información satelital, como son la ...

    • Modelling nighttime air temperature from remote sensing imagery and GIS data 

      Arellano Ramos, Blanca; Roca Cladera, Josep; Martínez Santafé, Maria Dolors; Serra de Larrocha, Carina; Lana Pons, Francisco Javier; Biere Arenas, Rolando Mauricio (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2021)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The estimation of the Earth's surface temperature (LST) from the infrared thermal radiation (TIR) emitted by the Earth detected by means of remote sensing has allowed a giant leap in climate analysis. The specialized ...

    • Multi-temporal evaluation of soil moisture and land surface temperature dynamics using in situ and satellite observations 

      Pablos Hernández, Miriam; Martínez Fernández, José; Piles Guillem, Maria; Sánchez, Nilda; Vall-Llossera Ferran, Mercedes Magdalena; Camps Carmona, Adriano José (2016-07-11)
      Article
      Accés obert
      Soil moisture (SM) is an important component of the Earth’s surface water balance and by extension the energy balance, regulating the land surface temperature (LST) and evapotranspiration (ET). Nowadays, there are two ...

    • On the synergy of SMOS and Terra/Aqua MODIS: high resolution soil moisture maps in near real-time 

      Piles Guillem, Maria; Vall-Llossera Ferran, Mercedes Magdalena; Camps Carmona, Adriano José; Sanchez, Nilda; Martinez Fernandez, Jose; Martinez, Justino; Gonzalez Gambau, Verónica; Riera, R. (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      An innovative downscaling approach to obtain fine-scale soil moisture estimates from 40 km SMOS observations has been developed. It optimally blends SMOS multi-angular and full-polarimetric information with MODIS visible/data ...

    • Optimizing CALIPSO saharan dust retrievals 

      Amiridis, Vassilis; Wandinger, Ulla; Marinou, E.; Giannakaki, E.; Tsekeri, A.; Basart Alpuente, Sara; Kazadzis, Stylianos; Gkikas, A.; Taylor, M.; Baldasano Recio, José María; Ansmann, Albert (2013-12-13)
      Article
      Accés obert
      We demonstrate improvements in CALIPSO (Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations) dust extinction retrievals over northern Africa and Europe when corrections are applied regarding the Saharan dust ...

    • Procedimiento de recuperación de la Land Surface Temperture (LST) y el Normalized Difference Vegetation Index (NDVI) con imágenes de MODIS en ArcGIS 

      García Haro, Alan (2019-04-04)
      Report de recerca
      Accés obert
      Este documento forma parte de una serie de guías para la utilización de imágenes satelitales en los estudios territoriales. Particularmente, este documento presenta el procedimiento para calcular la Land Surface Temperature ...

    • Remote sensing retrieval of isoprene concentrations in the Southern Ocean 

      Rodríguez-Ros, Pablo; Gali Tapias, Martí; Cortés, Pau; Robinson, Charlotte Mary; Antoine, David; Wohl, Charel; Yang, MingXi; Simó, Rafel (Wiley, 2020)
      Article
      Accés obert
      Isoprene produced by marine phytoplankton acts as a precursor of secondary organic aerosol and thereby affects cloud formation and brightness over the remote oceans. Yet the marine isoprene emission is poorly constrained, ...

    • Sensitivity of GNSS-R spaceborne observations to soil moisture and vegetation 

      Camps Carmona, Adriano José; Hyuk, Park; Pablos Hernández, Miriam; Foti, Giuseppe; Gommenginger, Christine; Pang-Wei, Liu; Judge, J. (2016-10-01)
      Article
      Accés obert
      Global navigation satellite systems-reflectometry (GNSS-R) is an emerging remote sensing technique that makes use of navigation signals as signals of opportunity in a multistatic radar configuration, with as many transmitters ...

    • Summer heatwaves trends and hotspots in the Barcelona metropolitan region (1914–2020) 

      Serra de Larrocha, Carina; Lana Pons, Francisco Javier; Martínez Santafé, Maria Dolors; Arellano Ramos, Blanca; Roca Cladera, Josep; Biere Arenas, Rolando Mauricio (Springer, 2024-03-06)
      Article
      Accés obert
      Daily maximum, TX, and minimum, TN, temperatures recorded at Fabra Observatory, for the period 1914–2020 (from June to September), have permitted to identify the daytime and night time heatwaves, HWs, at the Barcelona ...

    • Temperatura del aire en la región metropolitana de Barcelona a partir de la temperatura en superficie MODIS y de datos topogeográficos 

      Serra de Larrocha, Carina; Lana Pons, Francisco Javier; Martínez Santafé, Maria Dolors; Roca Cladera, Josep; Arellano Ramos, Blanca; Biere Arenas, Rolando Mauricio; Moix Bergadà, Montserrat (Centre de Politica de Sol i Valoracions, CPSV / Universitat Politècnica de Catalunya, UPC, 2018-12)
      Text en actes de congrés
      Accés obert
      La Región Metropolitana de Barcelona (RMB), es una de las áreas del Mediterráneo más densamente pobladas. Por ello, tiene mucho interés conocer con detalle la temperatura del aire, ya que, en situaciones extremas, como ...

    • Temperature-Vegetation-soil Moisture-Precipitation Drought Index (TVMPDI); 21-year drought monitoring in Iran using satellite imagery within Google Earth Engine 

      Mirmazloumi, Seyedmohammad (2021-12)
      Article
      Accés obert
      Remote Sensing (RS) offers efficient tools for drought monitoring, especially in countries with a lack of reliable and consistent in-situ multi-temporal datasets. In this study, a novel RS- based Drought Index (RSDI) ...

    • Using SMOS and Sentinel 3 satellite data to obtain high resolution soil moisture maps 

      González Delgado, Cristina (Universitat Politècnica de Catalunya, 2019-05-21)
      Projecte Final de Màster Oficial
      Accés obert
      Surface soil moisture is a critical climate variable and strongly influences water and energy cycles at the surface-atmosphere interface. It is widely used to improve numerical climate and weather models, rainfall and ...