High-Resolution Snow & Ice Monitoring; River and Lake Ice Extent - Sentinel 2

CLMS derived data hrsi ice lake open data river water


The River and Lake Ice Extent - Sentinel 2 (RLIE S2) product is part of the Copernicus Land Monitoring Service (CLMS), pan-European High Resolution Snow and Ice Monitoring (HR-S&I) Ice product suite.The River and Lake Ice Extent (RLIE) products measure the presence of ice in rivers and lakes described by the EU-HYDRO network database, in particular the area of snow-free or snow-covered ice. The RLIE S2 product is released in near real time for the entire EEA39 zone based on the revisit time of the Sentinel 2 constellation, and it is generated at a spatial resolution of 20 m x 20 m. Because it is time critical for several applications, every effort is made to provide near real time ice products between 6 and 12 hours after the data sensing time. More information about the RLIE S2 product methodology and workflow is outlined in the product user manual. A detailed explanation about the accuracy of the product can be found in the quality assessment report.

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Additional info

Additional info



Geographical coverage

Europe (Lat; 34N 66N Lon; -26W 44E)

Temporal availability

September 1, 2016 - ongoing

Update Frequency

NRT, between 6 and 12 hours after the data sensing time.

Band Information

NameDescriptionUnitsRangeSentinel Hub UnitsDigital RangeNo data
RLIERiver and lake ice extentNot applicableNot applicableDN1, 100, 205, 254255
QCQuality layer providing basic assessment of RLIE qualityNot applicableNot applicableDN0 - 3, 205255
QCFLAGSQuality flagsbit; Additional info here.1 - 7Not applicableNot applicableNot applicable

Custom scripts

Collection of Copernicus services data custom scripts



European Environment Agency

Managed By

Sentinel Hub

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  • End point

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