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How to Use the Model
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An overview of the articles that are contained in How to Use the Model
The dropdown titled How to Use the Model comprises a set of six linked articles that elaborate on what the user needs to know to understand the basic functionality of the Water Balance Model powered by QUALHYMO. The reader is advised to read these articles as a prelude to applying the model.
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An Introduction to the Components that Comprise the "Water Balance Model powered by QUALHYMO"
The 'Water Balance Model powered by QUALHYMO' has resulted from integration of two rainfall-runoff simulation models, and comprises five distint components. 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.
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Four Project Types Represent Drainage Modeling Applications
The new 'Water Balance Model powered by QUALHYMO' comprises four 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.
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An Introduction to the Model Capabilities
Integration of the Water Balance Model with QUALHYMO enables local governments to demonstrate land use practices required to achieve desired urban stream health outcomes at a watershed scale. Four applications represent the options for rainwater runoff volume and rate reduction to match before development conditions.
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Configuring the Water Balance Model: A Primer
To enable the user to progressively go Beyond the Guidebook, the Water Balance Model powered by QUALHYMO comprises five steps: Configure Catchments; Configure Surface Enhancements; Configure Source Controls with Baseflows; Configure Off-Site Storage;Configure Stream. The first two steps are consistent with the capabilities of the original Water Balance Model as a planning-level tool. The last three steps represent the value-added capabilities resulting from integration of the two tools.
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GETTING STARTED: A 3-Scenario Tutorial for New Users
"GETTING STARTED: A 3-Scenario Tutorial for New Users" leads the new user through the scenario comparison process that enables the user to assess the effectiveness of runoff volume reduction choices. BEFORE YOU USE THE MODEL, DOWNLOAD A COPY OF THE TUTORIAL.
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Tiered Access to the Model
The British Columbia Inter-Governmental 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.
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An Introduction to the Mechanics of Model Integration
The Water Balance Model for British Columbia and QUALHYMO have been merged to provide consistent delivery of reliable results, and manage data so that users and reviewers can compare multiple development and land use scenarios. A key message is that the stand-alone QUALHYMO has a comprehensive suite of analytical capabilities, of which the "new Water Balance Model" currently uses only a portion. Hence, the purpose of this article is to introduce the concept of "exposed features" and the potential to access additional features and capabilities over time as the Rolling 3-Year Plan for model enhancement is progressively implemented.
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