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  • All Categories (24)
  • Data (4)
  • News (10)
  • Missions (1)
  • Events (7)
  • Tools (1)
  • Documents (1)
  • Document - General Reference

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    PROBA-V-QWG-10-Report-Summary.pdf

    This report provides a summary of PROBA-V QWG meeting 10.

  • Mission - Earth Watch

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    PROBA-V

    The PROBA-V mission provides multispectral images to study the evolution of the vegetation cover on a daily and global basis.

  • Data - EO Sign In Authentication (Open)

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    JERS-1 OPS (Optical Sensor) Very Near Infrared Radiometer (VNIR) System Corrected Products level 1

    The JERS-1 Optical System (OPS) is composed of a Very Near Infrared Radiometer (VNIR) and a Short Wave Infrared Radiometer (SWIR). The instrument has 8 observable spectral bands from visible to short wave infrared. Data acquired by ESA ground stations The JERS-1 OPS products are available in GeoTIFF format. These products are available only for the VNIR sensor. All four bands are corrected. The correction consists in a vertical and horizontal destriping, the radiometry values are expanded from the range [0.63] to the range [0.255]. No geometrical correction is applied on level 1. The pixel size of approximately 18 x 24.2 metres for raw data is newly dimensioned to 18 x 18 metres for System Corrected data using a cubic convolution algorithm. Disclaimer: Cloud coverage for JERS OPS products has not been computed using an algorithm. The cloud cover assignment was performed manually by operators at the acquisition stations. Due to missing attitude information, the Nadir looking band (band 3) and the corresponding forward looking band (band 4) are not well coregistered, resulting in some accuracy limitations. The quality control was not performed systematically for each frame. A subset of the entire JERS Optical dataset was selected and manually checked. As a result of this, users may occasionally encounter issues with some of the individual products. Spatial coverage: Check the spatial coverage of the collection on a map available on the Third Party Missions Dissemination Service.

  • Data - EO Sign In Authentication (Open)

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    JERS-1 SAR Level 1 Precision Image

    The JSA_PRI_1P product is comparable to the ESA PRI/IMP images generated for Envisat ASAR and ERS SAR instruments. It is a ground range projected detected image in zero-Doppler SAR coordinates, with a 12.5 metre pixel spacing. It has four overlapping looks in Doppler covering a total bandwidth of 1000Hz, with each look covering a 300Hz bandwidth. Sidelobe reduction is applied to achieve a nominal PSLR of less than -21dB. The image is not geocoded, and terrain distortion (foreshortening and layover) has not been removed. Data acquired by ESA ground stations. Spatial coverage: Check the spatial coverage of the collection on a map available on the Third Party Missions Dissemination Service.

  • Data - EO Sign In Authentication (Open)

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    JERS-1 SAR Level 1 Single Look Complex Image

    The JSA_SLC_1P product is comparable to the ESA SLC/IMS images generated for Envisat ASAR and ERS SAR instruments. It is a slant-range projected complex image in zero-Doppler SAR coordinates. The data is sampled in natural units of time in range and along track, with the range pixel spacing corresponding to the reciprocal of the platform ADC rate and the along track spacing to the reciprocal of the PRF. Data is processed to an unweighted Doppler bandwidth of 1000Hz, without sidelobe reduction. The product is suitable for interferometric, calibration and quality analysis applications. Data acquired by ESA ground stations. Spatial coverage: Check the spatial coverage of the collection on a map available on the Third Party Missions Dissemination Service.

  • Data - Data Description

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    PROBA-V 1 km, 333 m, and 100 m products

    The PROBA-V VEGETATION Raw products and Synthesis products provided coverage of all significant landmasses worldwide with, in the case of a 10-day synthesis product, a minimum effect of cloud cover, resulting from selection of cloud-free acquisitions during the 10-day period. It provided a daily coverage between Latitudes 35°N and 75°N, and between 35°S and 56°S, and a full coverage every two days at the equator. The VEGETATION instrument was pre-programmed with an indefinite repeated sequence of acquisitions. This nominal acquisition scenario allowed a continuous series of identical products to be generated, with the goal to map land cover and vegetation growth across the entire planet every two days. Level Synthesis Resolution resolution (m) Reflectance Level-1C n/a TOA Level-2A n/a 100 m TOA 333 m TOA 1 km TOA Level-3 S1 100 m TOA TOC TOC NDVI 333 m TOA TOC 1 km TOA TOC S5 100 m TOA TOC TOC NDVI S10 333 m TOC TOC NDVI 1 km TOC TOC NDVI Raw Products Overview Product Description Level-1C Level-1C segments (P – product): Radiometrically corrected Level-1B data, in raw sensor geometry (unprojected) Contains: - Top Of Atmosphere reflectance in the four spectral bands - Longitude/latitude information for every pixel - Geometric viewing conditions - Information on the status map (indicating missing and interpolated measurements). Format: HDF5 & GeoTiFF Level-2A Level-2A segment: projected Level-1C (P–product) data, radiometrically and geometrically corrected. Contains: - TOA reflectance values in the four spectral bands without atmospheric correction being performed - Information on the status map (containing identification of radiometric quality, snow, ice, shadow, clouds, land/sea for every pixel) - Geometric viewing conditions Plate carrée projection (EPSG:4326) with spatial resolution of 100 m, 333 m and 1 km Format: HDF5 & GeoTiFF Synthesis Products Overview Level-3 S1 = daily, S5 = 5 days, S10 = decade Different spatial resolution: 100 m, 333 m and 1 km Divided into so called granules, each measuring 10 degrees x 10 degrees, each granule being delivered as a single file Plate carrée projection (EPSG:4326) Format: HDF5 & GeoTiFF Products Content TOA - Top Of Atmosphere reflectance in the four spectral bands (no atmospheric correction applied) - Normalized Difference Vegetation Index (NDVI) -Information on the composite status map (containing identification of snow, ice, shadow, clouds, land/sea for every pixel) - Geometric viewing conditions & date and time of selected measurement TOC Level-2A segment: projected Level-1C (P–product) data, radiometrically and geometrically corrected. Contains: - Top Of Canopy (ground surface) reflectance in the four spectral bands, the atmospheric correction being performed using the SMAC (Simplified Method for Atmospheric Corrections) algorithm - Normalized Difference Vegetation Index (NDVI) - Information on the composite status map (containing identification of snow, ice, shadow, clouds, land/sea for every pixel) Normalized Difference Vegetation Index (NDVI) from Top Of Canopy product (SMAC algorithm for atmospheric corrections applied) - Geometric viewing conditions & date and time of selected measurement TOC NDVI Normalized Difference Vegetation Index (NDVI) from Top Of Canopy product (SMAC algorithm for atmospheric corrections applied)

  • News - Infographics

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    PROBA-V - ESA's vegetation monitoring mission

    ESA's vegetation-monitoring mission - Proba-V - will end operations in June 2020 after seven years.

  • Event - Meeting

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    PROBA-V QWG meeting 10

    The 10th PROBA-V Quality Working Group (QWG) meeting took place in Antwerp, Belgium on 23 and 24 October 2019.

  • Event - Meeting

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    PROBA-V QWG meeting 9

    The 9th Proba-V QWG took place in Brussels on 17th - 18th Apr, 2019.

  • Event - Meeting

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    PROBA-V QWG meeting 11

    The PROBA-V QWG meeting 11 took place from 25 to 26 June 2020.

  • News - Operational News

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    New experimental phase for PROBA-V

    PROBA-V has begun a new experimental phase that will continue through to October 2021.

  • Event - Meeting

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    PROBA-V QWG meeting 12

    The main discussion points for the QWG meeting #12 are recalled: 1. Mission Status: the operational phase was discontinued on 30 June 2020 to limit the impact of the orbital drift and the new experimental phase started on 1st July 2020 with focus on acquiring data over Africa and Europe together with ad-hoc acquisition campaigns. Flight and Ground Segment overall performances are excellent with no sign of degradation.

  • News - Success Stories

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    1 km resolution aerosol optical thickness retrieved from PROBA-V

    The ESA SPAR@MEP project aims to deliver a long-term data record (LTDR) of aerosol optical properties and surface reflectance from SPOT-VGT and PROBA-V observations.

  • Event - Meeting

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    PROBA-V QWG meeting 13

    The status of the mission was recalled: Experimental Phase is running since July 2020 with the perspective to prepare the ground for the launch and exploitation of PV-CC mission. The latest delay in the schedule of the PV-CC launch (currently Q1/Q2 2022) changed the approach for exploitation, notably owing to the degrading Proba-V illumination conditions at the time of the launch. On the processing side, the main priority is to finalize the verification phase for the C2 and start the full mission reprocessing.

  • News - Thematic area articles

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    Satellite data boost global understanding of land surface

    Understanding our changing land surface is essential in the study of climate change. Satellites are used to monitor changes to the material that covers Earth’s surface, so-called land cover, such as vegetation and water.

  • Event - Meeting

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    PROBA-V QWG meeting 15

    The Proba-V QWG meeting 15 - Hybrid Event: University of Valencia and Microsoft Teams held on 09-10 June 2022

  • News - Thematic area articles

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    Space helps monitor Earth’s changing biosphere

    Earth’s biosphere is continually changing. Through its pioneering Earth observation missions, ESA is making critical contributions to monitor these changes and their impacts on Earth’s water and carbon cycles.

  • News - Thematic area articles

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    Global understanding of Earth's land surfaces greatly boosted by satellite data

    ESA perform land surface monitoring with a range of instruments onboard satellites acquiring optical and radar data. Collections of data from these missions are freely available for research purposes.

  • News - Data Release news

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    PROBA-V ‘Collection 2’ - Reprocessed Dataset available

    The improved PROBA-V data (Collection 2) has been released. Data is available via the PROBA-V MEP and Terrascope platforms so users can freely exploit the data using Virtual machines, Jupyter Notebooks, and the new viewing application.

  • Event - Meeting

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    PROBA-V QWG meeting 16

    The Proba-V QWG meeting 16 – Hybrid Event: VITO (Mol) and Microsoft Teams held on 22-23 March 2023