View ECCC Data Mart (English) (English, HTML)

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Publisher-reported update

2026-07-23

This database now includes additional stations and updates. Please refer to latest version of the Readme file. River ice is a known occurrence in cold climate hydrological systems. The annual cycle of formation, growth, decay and clearance of river ice can include low flows and ice jams, as well as mid-winter and spring break-up events. Reports and associated data on river ice occurrence are often limited to site and season specific studies. Within Canada, the National Hydrometric Program (NHP) operates a network of gauging stations with water level as the primary measured variable. It is well known by the hydrologic community that river ice related information can be extracted from water level records. Near two decades ago, the Water Science and Technology Directorate of Environment and Climate Change Canada initiated a long-term effort to compile, archive and extract river ice related information from hydrometric records. As a result, this work has delivered an original research data set: the Canadian River Ice Database (CRID). The CRID includes near 71,000 river ice variables from a network of 196 NHP sites throughout Canada in operation within the period 1894 to 2015. The…

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