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Automated Baseflow Separation for Canadian datasets (ABScan) is a Hydrograph Analysis tool that automatically filters streamflow data into runoff and baseflow components. The model is designed to be used with Environment Canada's free HYDAT database which is updated regularly and contains daily, monthly, and instantaneous data for streamflow, water level, and sediment data for over 2500 active and 5500 discontinued hydrometric monitoring stations across Canada. The software offers several filtering algorithms (Lyne and Hollick, Chapman, Eckhardt) and output options (CSV, Excel) for up to 50 years of data at a time. It is suitable for use with any distributed runoff models, and can easily be adapted for use in non-Canadian datasets.


Download version NO_VERSION_DATA (stable)
released on 1 January 1970

Available upon request



LicenseVerified byVerified onNotes
GPLv2orlaterTed Teah14 September 2006

Leaders and contributors

Geoff Parker Maintainer

Resources and communication

Audience Resource type URI
Bug Tracking,Developer,Help,Support E-mail

Software prerequisites

Kind Description
Weak prerequisite HYDAT

This entry (in part or in whole) was last reviewed on 14 September 2006.


Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.

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