earth online
  • All Categories (1808)
  • Data (19)
  • News (16)
  • Missions (3)
  • Events (10)
  • Tools (5)
  • Activities (5)
  • Campaigns (7)
  • Documents (1743)
  • News - Success Stories

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    10 years of Envisat data help to illuminate ocean processes

    A decade after Envisat beamed its final image to the planet, the pioneering ESA mission is continuing to foster improved understanding of Earth’s systems.

  • Document - General Reference

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    140918-SCIRoCCo-NESZ-v2.pdf

    ERS2 “saturation” at low sigma0

  • Document - General Reference

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    141022-RMA-03-data-consistency.pdf

    ERS-2 ASCAT Data Consistency presentation

  • Document - General Reference

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    141022-RMA-13-nonlinearity.pdf

    ERS-2 non linearity

  • Document - General Reference

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    150327-RMA-01-status-cal-v2.pdf

    Status of calibration activities

  • Document - General Reference

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    150604-RMA-01-ERS1-calibration-reprocessing-v2.pdf

    ERS1-calibration-reprocessing-v2

  • Event - Meeting

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    20th GHRSST Science Team Meeting

    The 20th GHRSST International Science Team meeting in 2019 brought together sea surface temperature experts to look at future innovations.

  • Event - Training

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    3rd Advanced Training Course on Land Remote Sensing 2011

    This 2011 advanced ESA training course focused on land remote sensing theory and applications.

  • Document - Conference Presentation - Poster

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    8-Use_SAR_observing_Polar_lows.pdf

    Use of SAR in observing Polar lows Birgitte Furevik (Norwegian Meteorological Inst., Norway)

  • Document - Product Document

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    Access to Envisat Data

    The scope of this document is to focus on the data dissemination methods and the different means offered to Users to access the Envisat data.

  • Data - External Data (Restrained)

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    ADAM Surface Reflectance Database v4.0

    ADAM enables generating typical monthly variations of the global Earth surface reflectance at 0.1° spatial resolution (Plate Carree projection) and over the spectral range 240-4000 nm. The ADAM product is made of gridded monthly mean climatologies over land and ocean surfaces, and of a companion API toolkit that enables the calculation of hyperspectral (at 1 nm resolution over the whole 240-4000 nm spectral range) and multidirectional reflectances (i.e. in any illumination/viewing geometry) depending on user choices. The ADAM climatologies that feed the ADAM calculation tools are: For ocean: Monthly chlorophyll concentration derived from SeaWiFS-OrbView-2 (1999-2009); it is used to compute the water column reflectance (which shows large spectral variations in the visible, but is insignificant in the near and mid infrared). Monthly wind speed derived from SeaWinds-QuikSCAT-(1999-2009); it is used to calculate the ocean glint reflectance. For land: Monthly normalized surface reflectances in the 7 MODIS narrow spectral bands derived from FondsdeSol processing chain of MOD09A1 products (derived from Aqua and Terra observations), on which relies the modelling of the hyperspectral/multidirectional surface (soil/vegetation/snow) reflectance. Uncertainty variance-covariance matrix for the 7 spectral bands associated to the normalized surface reflectance. For sea-ice: Sea ice pixels (masked in the original MOD09A1 products) have been accounted for by a gap-filling approach relying on the spatial-temporal distribution of sea ice coverage provided by the CryoClim climatology for year 2005.

  • Document - Publication - Paper

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    Advanced Scatterometer Processing System for ERS data

    ASPS System and Product description presented at the ERS-ENVISAT Symposium Salzburg 2004: The Advanced Scatterometer Processing System for ERS Data: Design, Products, and Performances

  • Event - Training

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    Advanced Training Course in Land Remote Sensing 2012

    The 2012 advanced training course focused on land remote sensing theory and applications.

  • Event - Training

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    Advanced Training Course in Ocean Remote Sensing 2011

    Within the framework of the Dragon Programme, a joint collaboration between the European Space Agency (ESA) and the Chinese Ministry of Science and Technology (MOST), ESA and NRSCC are providing a series of advanced thematic training courses on remote sensing applications hosted by university and research institutions in P.R. China.

  • Campaign

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    AfriScat

    AfriScat campaign, a follow on to TropiSCAT campaign, was to acquire long-term P-Band radar data in an African tropical forest.

  • Data - Campaigns (Open)

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    AfriScat

    AfriScat campaign, a follow on to TropiSCAT campaign, was to acquire long-term P-Band radar data in an African tropical forest.

  • Document - Campaign Report

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    AfriScat-Campaign-Final-Report.pdf

    AfriScat Campaign final report

  • Document - Campaign Report

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    AfriScat-Ground-TLS-Final-Report.pdf

    AfriScat Campaign final report

  • Campaign

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    AirScatterGNSS

    In this project an Airborne Wind Vector Scatterometer (AWVS) system was designed and built for measurements of sea surface backscattering from an aircraft.

  • Data - Campaigns (Open)

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    AirScatterGNSS

    In this project an Airborne Wind Vector Scatterometer (AWVS) system was designed and built for measurements of sea surface backscattering from an aircraft.