Protecting Oregon's Environment
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Oregon Department of Environmental Quality

Water Quality

Total Maximum Daily Loads (TMDLs) Program


Heat Source Methodology Review

Background

Heat Source is a computer model used by Oregon DEQ to simulate stream thermodynamics and hydrology. It was developed in 1996 as a Masters Thesis at Oregon State University in the Departments of Bioresource Engineering and Civil Engineering. DEQ currently maintains the Heat Source methodology and computer programming. Appropriate model use and application are the sole responsibility of the user.

Review Comments

The Heat Source methodology was circulated nationally for review. Reviewer comments and DEQ responses are presented below. DEQ thanks the respondents for their thoughtful comments regarding the model methodology. Several improvements were completed as a result of the review process.
The reviews of the respondents have been typed exactly as they were received with the exception that some review comments are numbered to address them individually. DEQ’s responses are listed last.

For more information, please contact Ryan Michie by phone at 503-229-6162 or by e-mail.

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For more information about DEQ's Total Maximum Daily Loads (TMDLs) Progam contact Gene Foster by phone at (503) 229-5325 or by e-mail, or contact the appropriate Basin Coordinator.

Oregon Department of Environmental Quality
Headquarters: 811 SW Sixth Ave., Portland, OR 97204-1390
Phone: 503-229-5696 or toll free in Oregon 1-800-452-4011
Oregon Telecommunications Relay Service: 1-800-735-2900  FAX: 503-229-6124

The Oregon Department of Environmental Quality is a regulatory agency authorized to protect Oregon's environment by
the State of Oregon and the Environmental Protection Agency.

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