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How to Use the Model

The substantial benefits to the user in applying the “Water Balance Model powered by QUALHYMO” are three-fold: first, source control types are pre-defined; secondly, there is the ability to quickly create the QUALHYMO input files; and thirdly, the standardized output allows easy and quick review by regulatory agencies.

Tiered Access to the Model

The Water Balance Model Partnership has established three categories of model users, each with a different degree of access to the various features of the ‘Water Balance Model powered by QUALHYMO’. General Users are limited to registering under the Free Trial Account category. The account and any scenarios created by the General User will be deleted thirty (30) days from the date of registration.   Free 30-Day
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Three Project Types Represent Three Scales of Drainage Modeling

The  web-based ‘Water Balance Model powered by QUALHYMO’ (WBM) comprises three types of drainage modeling applications. The value-added dimension resides in the two types that incorporate the Stream Health Methodology for comparison of scenarios and optimizing the selection of rainfall capture mitigation measures. The WBM enables the user to connect the dots between rainwater runoff source control evaluation and stream health assessment. Furthermore, it underpins the provincial Beyond
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An Introduction to the Model Capabilities

Integration of the Water Balance Model with QUALHYMO now enables local governments to demonstrate land use practices required to achieve desired urban stream health outcomes at a watershed scale. Three applications represent the options for rainwater runoff volume and rate reduction to match before development conditions. The original Water Balance Model enabled users to evaluate the effectiveness of site planning that incorporates source controls (such as
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An Introduction to the Components that Comprise the “Water Balance Model powered by QUALHYMO”

The QUALHYMO model is the hydrologic calculation engine that will provide consistent delivery of reliable results; the decision support interface will manage data so that users and reviewers can compare multiple development and land use scenarios. The significant benefit of the ‘new Water Balance Model’ is the resulting emphasis on strategy and alternative implementation methodologies, as well as the focus on a multitude of design
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