CATDS-PDC L3SM Filtered - 1 day global map of soil moisture values from SMOS satellite

This product is the daily product of soil moisture, and contains filtered data. The retrievals are based on a multi-orbit retrieval algorithm. A detection of freeze and snow is performed and added to the flags. Ascending and descending orbits are processed separately.

Simple

Date (Publication)
2022-02-14
Identifier
CATDS-PDC_L3SM_Filtered
Identifier
DOI:10.12770/9cef422f-ed3f-4090-9556-b2e895ba2ca8
Credit
CATDS (CNES, IFREMER, CESBIO)
Author
  CATDS
Principal investigator
  CESBIO - Arnaud Mialon
Publisher
  CATDS (CNES, IFREMER, CESBIO)
Thèmes Sextant
  • /Imagery/Satellite Imagery
GEMET - INSPIRE themes, version 1.0
  • Orthoimagery
Theme
  • SMOS
  • CATDS
  • CPDC
  • L3SM
  • Soil Moisture
  • Filtered
  • Land Product
Use limitation
Creative Commons license to apply : Attribution (BY) : http://creativecommons.org/licenses/?lang=en
Access constraints
License
Use constraints
License
Spatial representation type
grid Grid
Denominator
1
Metadata language
English
Character set
utf8 UTF8
Topic category
  • Geoscientific information
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Begin date
2010-01-12
Reference system identifier
EPSG / WGS 84 / NSIDC EASE-Grid 2.0 Global (EPSG:6933) / 8.6
Number of dimensions
3
Dimension name
Column
Dimension size
1388
Dimension name
Vertical
Dimension size
584
Dimension name
Sample
Dimension size
14
Cell geometry
Area
Transformation parameter availability
No
Distribution format
  • NetCDF ( netcdf 3 with 64 bit offset option )

OnLine resource
RE07-ASC ( WWW:DOWNLOAD )

RE07-ASC - Reprocessed products (01/2010 - 05/2021), ascending orbits

OnLine resource
RE07-DESC ( WWW:DOWNLOAD )

RE07-DESC - Reprocessed products (01/2010 - 05/2021), descending orbits

OnLine resource
OPER-ASC ( WWW:DOWNLOAD )

OPER-ASC - Operational products (06/2021 - now), ascending orbits

OnLine resource
OPER-DESC ( WWW:DOWNLOAD )

OPER-DESC - Operational products (06/2021 - now), descending orbits

OnLine resource
DOI of the dataset ( DOI )

DOI of the dataset

OnLine resource
FTP Access ( WWW:DOWNLOAD )

FTP Access - All products are also available by ftp : server ftp.ifremer.fr, login ext-catds-cpdc, passwd catds2010, path Land_products/GRIDDED/... (same paths as in above https links)

OnLine resource
CATDS Sipad ( WWW:LINK )

CATDS Sipad - Web-based interactive tool which allows subsettings and temporal agregation.

OnLine resource
CATDS Web portal ( WWW:LINK )

CATDS Web portal

OnLine resource
Reference ( WWW:LINK-1.0-http--publication-URL )

Al Bitar Ahmad, Mialon Arnaud, Kerr Yann H., Cabot Francois, Richaume Philippe, Jacquette Elsa, Quesney Arnaud, Mahmoodi Ali, Tarot Stephane, Parrens Marie, Al-Yaari Amen, Pellarin Thierry, Rodriguez-Fernandez Nemesio, Wigneron Jean-Pierre (2017). The global SMOS Level 3 daily soil moisture and brightness temperature maps. Earth System Science Data, 9(1), 293-315. Publisher's official version : http://doi.org/10.5194/essd-9-293-2017 , Open Access version : http://archimer.ifremer.fr/doc/00388/49941/

Hierarchy level
Dataset
Statement

The base products, for all the CATDS-PDC (Centre Aval de Traitement des Données SMOS - Production & Dissemination Center) processing chains, are the SMOS L1B products - https://doi.org/10.57780/SM1-e20cf57 - from ESA (European Space Agency).

The L3SM filtered product is the daily product of soil moisture, and contains filtered data. The retrievals are based on a multi-orbit retrieval algorithm. A detection of freeze and snow is performed and added to the flags. Ascending and descending orbits are processed separately. The aggregated products are generated from this fundamental product.

Products from reprocessing RE07 are available for the period 01/2010 - 05/2021. Products from operational (OPER) processing are available since 06/2021. Reprocessed products and operational products are derived using the same algorithm and configuration, hence ensuring the temporal continuity.

File naming :

SM_clas_MIR_CLF31x_startdate_enddate_vvv_ccc_7

- clas : File class (OPER : operational mode, REXX : reprocessing xx)

- x : A for ascending orbit, D for descending orbit

- startdate : sensing start date/time of the data (format yyyymmddThhmiss)

- enddate : sensing end date/time of the data (format yyyymmddThhmiss)

- vvv : version number of the processor generating the product

- ccc : file counter

File format :

In each archive file (.tgz extension), there are two files

- A Header file (.HDR), which is a text file, in XML Earth Explorer Header format

- A Data file (.DBL.nc), which is a netcdf file, format variant 2 (netcdf 3 with 64 bits offset option)

Reference :

Al Bitar Ahmad, Mialon Arnaud, Kerr Yann H., Cabot Francois, Richaume Philippe, Jacquette Elsa, Quesney Arnaud, Mahmoodi Ali, Tarot Stephane, Parrens Marie, Al-Yaari Amen, Pellarin Thierry, Rodriguez-Fernandez Nemesio, Wigneron Jean-Pierre (2017). The global SMOS Level 3 daily soil moisture and brightness temperature maps. Earth System Science Data, 9(1), 293-315. Publisher's official version : http://doi.org/10.5194/essd-9-293-2017 , Open Access version : http://archimer.ifremer.fr/doc/00388/49941/

File identifier
9cef422f-ed3f-4090-9556-b2e895ba2ca8 XML
Metadata language
English
Character set
UTF8
Hierarchy level
Dataset
Date stamp
2025-05-15T23:29:10.507885Z
Metadata standard name
ISO 19115-3 - SEXTANT
Metadata standard version
1.0
Point of contact
  IFREMER - Tarot Stephane
Centre Bretagne - ZI de la Pointe du Diable - CS 10070 - 29280 Plouzané , Brest , France
02 98 22 40 55
 
 

Overviews

overview

Spatial extent

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Keywords

CATDS CPDC Filtered L3SM Land Product SMOS Soil Moisture
GEMET - INSPIRE themes, version 1.0
Orthoimagery
Thèmes Sextant
/Imagery/Satellite Imagery

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Associated resources

Not available