Soil Humidity in Luxembourg 2002-2022

Mis à jour le 31 octobre 2022 — Creative Commons Zero (CC0)

Administration des services techniques de l'agriculture

Administration des services techniques de l'agriculture

27 jeux de données

Informations

Licence
Creative Commons Zero (CC0)
ID
62f231ae2ba42a6f3c44ecb7

Temporalité

Couverture temporelle
04/2002 à 12/2021
Fréquence
Ponctuelle
Date de création
9 août 2022
Dernière mise à jour de ressource
31 octobre 2022

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Description

Soil moisture data covering the whole area of Luxembourg for the first 1-2 cm, as well as 5-10 cm soil depth:

  • April 2002 to September 2022: C and X band for the first 1-2 cm soil depth.
  • April 2015 to September 2022: L-band for the first 5-10 cm of soil depth.

with a resolution of 100 x 100 m per pixel and with a temporal resolution of "once per day" and an average number of 280 images per year images per year (as a combination of C, X and L-band sources)

Details

Product Unit Sensing Depth Pixel size * Temporal resolution Data availability
Volumetric Soil Moisture L-Band (SM) m3/m3 5cm 100x100m, 0.000888888888889 degree 230 observations per year at 52 degree lat. April 2015 - September 2022
Volumetric Soil Moisture C-Band (SM) m3/m3 2cm 100x100m, 0.000888888888889 degree 320 observations per year at 52 degree lat. April 2002 - September 2022 / Gap in 2012
Volumetric Soil Moisture X-Band (SM) m3/m3 1cm 100x100m, 0.000888888888889 degree 320 observations per year at 52 degree lat. April 2002 - September 2022 / Gap in 2012

* pixel size is given as a number in meters. This is an approximate size as the data itself is stored in decimal degrees (WGS84). The actual size in decimal degrees is given in the description of each data product.

Content of the yearly archives

In each yearly archive you will find several folders. Here is the description of each folder:

  • SM-SMAP-LN-DESC: Volumetric Soil Moisture L-band (SM) / Satellite observed volumetric soil moisture derived from L-band microwave data in combination with other bands. It is based on VanderSat's patented high-resolution technology and provides soil moisture of the top 5 cm of the soil depending on moisture conditions. VanderSat’s L-band data is retrieved from the SMAP satellite.
  • SM-AMSR2-C1N-DESC: Volumetric Soil Moisture C-band (SM) / Satellite observed volumetric soil moisture derived from C-band microwave data in combination with other bands. It is based on VanderSat's patented high-resolution technology and provides top soil soil moisture of the top 2 cm of the soil depending on moisture conditions. VanderSat's C-band soil moisture is derived from the Advanced Microwave Scanning Radiometer 2 (AMSR2) on board the GCOM-W1 satellite as well the Advanced Microwave Scanning Radiometer - EOS (AMSRE) on board the AQUA satellite.
  • SM-AMSRE-C1N-DESC: Volumetric Soil Moisture C-band (SM) / Satellite observed volumetric soil moisture derived from C-band microwave data in combination with other bands. It is based on VanderSat's patented high-resolution technology and provides top soil soil moisture of the top 2 cm of the soil depending on moisture conditions. VanderSat's C-band soil moisture is derived from the Advanced Microwave Scanning Radiometer 2 (AMSR2) on board the GCOM-W1 satellite as well the Advanced Microwave Scanning Radiometer - EOS (AMSRE) on board the AQUA satellite.
  • SM-AMSR2-XN-DESC: Volumetric Soil Moisture X-band (SM) / Satellite observed volumetric soil moisture derived from X-band microwave data in combination with other bands. It is based on VanderSat's patented high-resolution technology and provides top soil soil moisture of the top 1 cm of the soil depending on moisture conditions. VanderSat's X-band soil moisture is derived from the Advanced Microwave Scanning Radiometer 2 (AMSR2) on board the GCOM-W1 satellite, the Advanced Microwave Scanning Radiometer - EOS (AMSRE) on board the AQUA satellite and the GMI sensor on board the Global Precipitation Measurement (GPM) satellite.
  • SM-AMSRE-XN-DESC: Volumetric Soil Moisture X-band (SM) / Satellite observed volumetric soil moisture derived from X-band microwave data in combination with other bands. It is based on VanderSat's patented high-resolution technology and provides top soil soil moisture of the top 1 cm of the soil depending on moisture conditions. VanderSat’s X-band soil moisture is derived from the Advanced Microwave Scanning Radiometer 2 (AMSR2) on board the GCOM-W1 satellite, the Advanced Microwave Scanning Radiometer EOS (AMSRE) on board the AQUA satellite and the GMI sensor on board the Global Precipitation Measurement (GPM) satellite.

All the folders starting with "QF-" contain the data flags related to the corresponding data.

Technical details

GeoTIFF images are provided for the following extent (WGS84 latitude/longitude):
Extent (minx, miny, maxx, maxy) = 5.7, 49.4, 6.58, 50.23
This corresponds to a number of 981 x 917 pixel

Parameter Value
Data type uint16
Compression LZW
Scale 0.001
Offset 0
Band 1 Soil moisture
Band 2 Data marked as unreliable
NoData 65535

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