Workshop Data

Project Files

Download the Initial Project Files here. Unzip in the C:\CWMS_Class directory. CWMS 3.4 was used to create the workshop files and instructions.

Background

The Marsh of the Swans River basin drains 3,250 square miles. There are three dams in the basin with three control points located downstream of the projects on the River. The watershed is generally fast-responding, such that local runoff normally peaks within 24 hours in the upper reaches but once in the river can take three to four days to reach the downstream most control point. Dam A has an auxiliary open channel spillway at the top of the flood control pool at elevation 1056.9. Dam B has a perched auxiliary open channel spillway three feet above the top of the flood control pool at elevation 1006.57. Dam C has an auxiliary open channel spillway at the top of the flood control pool at elevation 935.42. The three control points are at J070, J080, and J110.

Objective

This workshop will cover:

  1. Viewing HEC-ResSim results.
  2. Setting up the Operation Support Interface (OSI) for a watershed.
  3. Using the Operation Support Interface (OSI).
    1. How using the OSI or release overrides ignores some HEC-ResSim rules.
    2. How some physical constraints cannot be violated.

Tasks

Task 1: Watershed Orientation

Task 2: Setting up the OSI

Task 3: Using the OSI to Make Reservoir Release Decisions

Solution Files

Project Files

Download the Solution Data here if you would like the watershed and forecast with the full solution.