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High Resolution Snow and Ice Monitoring: Daily cumulative Gap-filled Fractional Snow Cover (raster 60m)

The Copernicus Daily Cumulative Gap-filled Fractional Snow Cover (GFSC) product is generated in near real-time for the entire EEA38 and the United Kingdom, based on radar satellite data from the Sentinel-1 constellation and on optical data from the Sentinel-2 constellation. The product uses Copernicus FSC (Fractional Snow Cover), WDS (Wet/Dry Snow) and SWS (SAR Wet Snow) products along with DEM data as input to form a spatially complete composite of snow conditions, to reduce observational gaps due to clouds and lack of sensor coverage on a daily basis. The product provides the extent of the snow cover per pixel as a percentage (0% – 100%) with a spatial resolution of 60 m x 60 m.

The GFSC product is distributed in raster files covering an area of 110 km by 110 km with a pixel size of 60 m by 60 m in UTM/WGS84 projection, which corresponds to the Sentinel-2 input L1C product tile. Each product is composed of four separate GeoTIFF files corresponding to the different layers of the product, and a metadata file. The GF layer provides the gap-filled fractional snow cover, while the QC layers (AT, QCFLAGS, QC) provide information on the quality of the GF layer at the pixel level .

The GFSC is one of the products of the pan-European High-Resolution Snow & Ice service (HR-S&I), which are provided at high spatial resolution (20 m x 20 m and 60 m x 60 m), from the Sentinel-2 and Sentinel-1 constellations data from September 1, 2016 onwards.

Read more about the GFSC product here: https://land.copernicus.eu/en/products/snow/high-resolution-gap-filled-fractional-snow-cover.

Simple

Date ( Creation )
2021-09-01
Date ( Publication )
2021-09-01
Edition
01.00
Identifier
copernicus_r_utm-wgs84_60_m_hrsi-gfsc_p_2016-now_v01_r00
Identifier
DAT-244-en
Owner
  European Commission
https://commission.europa.eu
Custodian
  Copernicus Land Monitoring Service
https://land.copernicus.eu
Publisher
  European Environment Agency
Kongens Nytorv 6 , Copenhagen , K , 1050 , Denmark
http://www.eea.europa.eu
Point of contact
  Copernicus Land Monitoring Service helpdesk
https://land.copernicus.eu/en/contact-service-helpdesk
Maintenance and update frequency
Continual
GEMET - INSPIRE themes, version 1.0 ( Theme )
  • Land cover
Keywords
Continents, countries, sea regions of the world. ( Place )
  • EEA38 (from 2020)
  • United Kingdom
Keywords
GEMET ( Theme )
  • ice
  • monitoring
  • climate change impact
  • landscape alteration
  • snow
  • land cover
Spatial scope ( Theme )
  • European
EEA topics ( Theme )
  • Land use
Temporal resolution ( Temporal )
  • Daily
EEA Management Plan ( Theme )
  • 2020 3.6.7
Access constraints
Other restrictions
Other constraints
no limitations to public access
Use constraints
Other restrictions
Other constraints

The Copernicus component is governed by Regulation (EU) No 2021/696 of the European Parliament and of the Council of 28 April 2021 establishing the Union Space Programme and the European Union Agency for the Space Programme and repealing Regulations (EU) No 912/2010, (EU) No 1285/2013 and (EU) No 377/2014 and Decision No 541/2014/EU. Within the Copernicus component, a portfolio of land monitoring activities has been delegated by the European Union to the European Environment Agency (EEA) and the DG Joint Research Centre of the European Commission.

The Copernicus land monitoring products and services are made available on a principle of full, open and free access, as established by the Commission Delegated Regulation (EU) No 1159/2013 of 12 July 2013.

Free, full and open access to the products and services of the Copernicus Land Monitoring Service is made on the conditions that:

1. When distributing or communicating Copernicus Land Monitoring Service products and services (data, software scripts, web services, user and methodological documentation and similar) to the public, users shall inform the public of the source of these products and services.

2. Where the Copernicus Land Monitoring Service products and services have been adapted or modified by the user, the user shall clearly state this.

3. Users shall make sure not to convey the impression to the public that the user's activities are officially endorsed by the European Union.

Spatial representation type
Grid
Distance
60  m
Metadata language
en
Character set
UTF8
Topic category
  • Environment
  • Imagery base maps earth cover
  • Climatology, meteorology, atmosphere
N
S
E
W
thumbnail


Begin date
2016-09-01
Unique resource identifier
EPSG:32625
Unique resource identifier
EPSG:32626
Unique resource identifier
EPSG:32627
Unique resource identifier
EPSG:32628
Unique resource identifier
EPSG:32629
Unique resource identifier
EPSG:32630
Unique resource identifier
EPSG:32631
Unique resource identifier
EPSG:32632
Unique resource identifier
EPSG:32633
Unique resource identifier
EPSG:32634
Unique resource identifier
EPSG:32635
Unique resource identifier
EPSG:32636
Unique resource identifier
EPSG:32637
Unique resource identifier
EPSG:32638
Distribution format
  • GeoTIFF ( )

OnLine resource
Cryo portal ( WWW:LINK-1.0-http--link )
OnLine resource
WEKEO portal ( WWW:LINK-1.0-http--link )
OnLine resource
REST API ( WWW:LINK-1.0-http--link )
OnLine resource
https://cryo.land.copernicus.eu/wms/GFSC?service=WMS&request=GetCapabilities&version=1.3.0 ( OGC:WMS )
OnLine resource
Product user manual ( WWW:LINK-1.0-http--link )
OnLine resource
Algorithm Theoretical Basis Document ( WWW:LINK-1.0-http--link )
OnLine resource
HDA API (Harmonized Data Access (WEkEO) ( WWW:LINK-1.0-http--link )
OnLine resource
Download (requires authentication) ( WWW:LINK-1.0-http--link )
Hierarchy level
Dataset

Conformance result

Date ( Publication )
2010-12-08
Explanation
See the referenced specification
Statement

The algorithm for GFSC retrieval is fully described in the Algorithm Theoretical Basis Document:

https://land.copernicus.eu/en/technical-library/hrsi-snow-s1-atbd/@@download/file. Its validation is described https://land.copernicus.eu/en/technical-library/hrsi-snow-qar-s1-s2/@@download/file.

Source
  • Fractional Snow Cover (raster 20m) 2016-present, Europe, daily, Jul. 2020
  • High Resolution Snow and Ice Monitoring: Wet/Dry Snow (raster 60m)
  • High Resolution Snow and Ice Monitoring: SAR Wet Snow (raster 60m)
File identifier
befca22b-af37-4cd2-8e99-e09b3330fdc1 XML
Metadata language
en
Character set
UTF8
Hierarchy level
Dataset
Date stamp
2024-02-06T16:44:55.414Z
Metadata standard name
ISO 19115/19139
Metadata standard version
1.0
Point of contact
  European Environment Agency
Kongens Nytorv 6 , Copenhagen , K , 1050 , Denmark
 
 

Overviews

overview

Spatial extent

N
S
E
W
thumbnail


Keywords

EEA Management Plan
2020 3.6.7
EEA topics
Land use
GEMET
climate change impact ice land cover landscape alteration monitoring snow
GEMET - INSPIRE themes, version 1.0
Land cover
Spatial scope
European

Provided by

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Associated resources

Not available


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