Coordinating Committee Products and Datasets

If you need information on these datasets, or are looking for other datasets please contact:
info at greatlakescc.org

Hydraulic Subcommittee

Methodologies for conducting hydraulic discharge methods in the Great Lakes Connecting Channels

Database of binational discharge measurements

Monthly flow records for the Connecting Channels:

Methodologies for coordinating the computation of streamflow

Conveyance change monitoring reports

Coordinated:

Beginning of Month Water Levels:

Beginning of Month Water Levels – Historical Average:

Monthly Mean Water Levels:

Monthly Mean Water Levels – Historical Average:

Monthly Residual Net Basin Supplies:

Historical Precipitation:

Coordinated:

International Great Lakes Datum (1955)
International Great Lakes Datum (1985)
International Great Lakes Datum Update Plan
Elevation and other information on bench marks
Vertical velocity models
Hydraulic corrector models
Gravity models
GPS campaigns used for crustal movement monitoring, and both historic and present datum transformation methodologies
Water level data collection methodologies
Low water datum values and determination methods
Low water datum step planes for the interconnecting channels and the St. Lawrence River
Water level gauging network adequacy assessments
Data calculation methods including individual station data averaging and also lake-wide average calculation methods

Coordinated Great Lakes Regulation and Routing Model

Coordinated Great Lakes Regulation and Routing Model Update Plan