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SUBJECTS
Science Information By:
Tide and Water Level
MEDS acquires, processes, quality controls, archives and distributes
tide and water level (TWL) data reported on a daily to monthly basis
from the DFO Canadian Hydrographic Service (CHS) water level gauging
network.
- Inventory & Download of TWL digital archives
- Monitor Report / Rapport de surveillance
- Maps of the gauging network
- Latest Great-Lakes and St. Lawrence Water Level Bulletin
- Latest Gauge Performance Report
- Latest Monthly and Yearly Means Report
- DFO - GeoBrowser
MEDS also operates a Tides and Water Levels Benchmark Database for the Canadian Hydrographic Service where information on the benchmarks from various DFO stations can be found.
As Canada's national data centre, MEDS historical tides and water level data archives presently hold over 30 million records with the earliest dating back before the turn of the century. Over 70,000 new hourly height observations and other higher resolution data are added on a monthly basis. Data are also exchanged annually with Environment Canada.
MEDS also participates in the Global Sea Level Observing System (GLOSS) by contributing data from the Canadian network on an annual basis.
Requests for these data, data products and additional information may be made on-line by completing a ISDM Request Form
