Lake Water Quality 2024-present (raster 300 m), global, 10-daily - version 2
The Lake Water Quality products provide a semi-continuous observation record for a large number of medium and large-sized lakes, according to the Global Lakes and Wetlands Database (GLWD) or otherwise of specific environmental monitoring interest. 0-daily observations are available in near real time in the spatial resolution of 300m and and with the temporal extent from 2024 to present.
Monitoring water quality in lakes and reservoirs is key in maintaining safe water for drinking, bathing, fishing and agriculture and aquaculture activities. Long-term trends and short-term changes are indicators of environmental health and changes in the water catchment area. Directives such as the EU's Water Framework Directive or the US EPA Clean Water Act request information about the ecological status of all lakes larger than 50 ha. Satellite monitoring helps to systematically cover a large number of lakes and reservoirs, reducing needs for monitoring infrastructure (e.g. vessels) and efforts.
They consist of three water quality parameters: (i) the turbidity of a lake, that describes water clarity or whether sunlight can penetrate deeper parts of the lake. Turbidity often varies seasonally, both with the discharge of rivers and growth of phytoplankton; (ii) the trophic state index that is an indicator of the productivity of a lake in terms of phytoplankton, and indirectly, over longer time scales, reflects the eutrophication status of a water body and (iii) the lake surface reflectances that describe the apparent colour of the water body and are intended for scientific users interested in further development of algorithms. The visual reflectance bands can also be combined into true-colour images.
Simple
Identification info
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Date (Creation)
- 2024-09-01
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Date (Publication)
- 2024-09-01
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Edition
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1
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Edition date
- 2024-09-01T00:00:00
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Citation identifier
- clms_global_lwq_300m_v2_10daily-nrt
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Title
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VITO NV
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Date (Revision)
- 2024-09-01
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Identifier
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Other citation details
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https://land.copernicus.eu/en/products/water-bodies/lake-water-quality-near-real-time-v2-0-300m
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Purpose
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This product is part of the Global component of the Land Monitoring Service of Copernicus
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Credit
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Lake Surface Reflectance, Turbidity, Trophic State Index, Chlorophyll-a, Total Suspended Matter and Cyanobacteria Risk Index products were generated by the Plymouth Marine Laboratory and Brockmann Consult for the Global component of the Land Monitoring Service of Copernicus, the Earth Observation part of the European Union's Space programme.The research leading to the current version of the product has received funding from various European Commision Research and Technical Development programs. This product is based on SENTINEL-3 data (copyright ESA).
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Credit
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The product is based on Copernicus Sentinel-3 data (copyright governed by the Legal notice on the use of Copernicus Sentinel Data and Service Information - https://sentinels.copernicus.eu/documents/247904/690755/Sentinel_Data_Legal_Notice).
- Point of contact
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Organisation Individual Electronic mail address Website Role European Commission
OwnerCopernicus Land Monitoring Service
CustodianEuropean Commission's Joint Research Centre
PublisherCopernicus Land Monitoring Service helpdesk
Point of contact
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Spatial representation type
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Grid
Spatial resolution
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Spatial resolution
- 0.00223214285711 http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/uom/ML_gmxUom.xml#deg
Extent
))
Extent
Temporal extent
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Time period
- 10 days, 0:00:00 composite dekad 2024-09-11
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Maintenance and update frequency
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As needed
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mmi:updateScope
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Series
Resource format
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Title
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netCDF
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Alternate title
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Network Common Data Form
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Date
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Edition
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4
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Theme
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EARTH_SCIENCE-OCEANS-OCEAN_OPTICS-WATER-LEAVING RADIANCE;EARTH_SCIENCE-TERRESTRIAL_HYDROSPHERE-WATER_QUALITY_WATER_CHEMISTRY-CHLOROPHYLL
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SUSPENDED_SOLIDS
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TURBIDITY
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Place
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GLOBE
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Temporal
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Dekad
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10 days, 0:00:00 composite
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Resource constraints
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Access constraints
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Other restrictions
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Other constraints
- no limitations to public access
Resource constraints
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Use constraints
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Other restrictions
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Other constraints
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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.
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Language
- English
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Character encoding
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UTF8
Distribution Information
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Distribution format
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netCDF
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Fees
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Free for HTTP download and EUMETCast; cost of medium by DvD or tape
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Ordering instructions
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Products can be downloaded online via HTTP or can be received through EUMETCast satellite reception in Europe, Africa and Latin-America.
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Units of distribution
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Per product
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OnLine resource
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OGC WMTS
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OnLine resource
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Copernicus Data Space Ecosystem download services
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Units of distribution
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Per product
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OnLine resource
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Copernicus Browser
Data quality info
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Hierarchy level
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Dataset
Report
Result
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Title
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Validation results conform CEOS LPV guidelines
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Date (Publication)
- 2010-12-01
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Explanation
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https://land.copernicus.eu/en/products/water-bodies/lake-water-quality-near-real-time-v2-0-300m
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Pass
- 1
Report
Result
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Date (Publication)
- 2010-12-08
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Explanation
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This data set is conformant with the INSPIRE Implementing Rules for the interoperability of spatial data sets and services
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Pass
- true
Report
Result
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Title
- INSPIRE Data Specification on orthoimagery - Guidelines
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Date (Publication)
- 2010-04-26
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Explanation
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See the referenced specification
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Pass
- true
Resource lineage
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Statement
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The input data are the 10 days, 0:00:00 Top-of-Atmosphere reflectances measured by the OLCI sensor.
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Hierarchy level
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Dataset
Spatial representation info
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Number of dimensions
- 2
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Cell geometry
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Area
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Transformation parameter availability
- false
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Check point availability
- true
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Check point description
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Upperleft corner tiepoint
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Description
- Upperleft corner tiepoint
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Identifier
- upperLeftTiePoint
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Name
- Tie Point in upper left corner
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Pixel orientation code
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Reference System Information
Reference System Information
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Code
- EPSG:4326
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Maintenance and update frequency
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As needed
Metadata
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Metadata identifier
- 801137b8-9575-43ef-a073-140b663cc61c
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Language
- English
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Character encoding
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UTF8
- Contact
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Organisation Individual Electronic mail address Website Role Copernicus Land Monitoring Service
Point of contact
Type of resource
-
Resource type
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Dataset
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Metadata linkage
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https://sdi.eea.europa.eu/catalogue/srv/api/records/801137b8-9575-43ef-a073-140b663cc61c
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Date info (Creation)
- 2024-12-17T06:50:30.701551Z
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Date info (Revision)
- 2025-10-09T11:00:09.64751Z
Metadata standard
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Title
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ISO 19115/19139
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Edition
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1.0
Overviews
Spatial extent
)))
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