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Ecology Publications & Forms |
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Ecology Publications & Forms |
| Title | French Creek Watershed Temperature Modeling |
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| VIEW NOW |
French Creek Watershed Temperature Modeling (Number of pages: 76) (Publication Size: 5273KB)
French Creek Watershed Temperature Modeling: Appendices (101 pages) (10MB)
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| Author(s) | Nuri Mathieu | ||||
| Description | The Washington State Department of Ecology measured water temperatures in the French Creek watershed in 2012 and collected other supporting data to build numerical models of these high-temperature streams. The 2012 water temperature monitoring confirmed that all 8 sites did not meet the state freshwater temperature criteria. The study found that water temperature was the warmest at the mouth of Lower French Creek near the pump station. Model-simulated temperature results indicate that summer water temperatures at all sites were heavily influenced by air temperatures, water depth, shade from streamside vegetation, and assumed groundwater inflows. We developed several restoration scenarios to quantify the amount of action needed to meet state criteria. All four models required fully restored tall, dense buffers of trees along the entire length of the creeks to meet the criteria. The Stables and Upper French Creek models also required additional cool baseflow. The three creeks with narrow channels needed 125-foot-tall trees to meet criteria, while the widest creek, Lower French Creek, needed 180-foot-tall trees. |
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The mission of the Department of Ecology is to protect, preserve, and enhance Washington’s environment. To help us meet that goal, please consider the environment before you print or request a copy.
ADA Accessibility The Department of Ecology is committed to providing people with disabilities access to information and services by meeting or exceeding the requirements of the Americans with Disabilities Act (ADA), Section 504 and 508 of the Rehabilitation Act, and Washington State Policy #188. Visit Ecology’s website for more information. |
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| Contact | EAP Publications Coordinator at 564-669-3028 or EAPpubs@ecy.wa.gov | ||||
| Keywords | water temperature, French Creek, shade, model, TMDL, Total Maximum Daily Load, Stables Creek, Cripple Creek | ||||
| WEB PAGE | French and Pilchuck watersheds | ||||
| WATERSHED | Water Resource Inventory Area 07 Snohomish | ||||
| DATA | Environmental Information Management (EIM) #TSWA0004 |
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| RELATED PUBLICATIONS | Title:
Focus On: French Creek Orange Water Study Pilchuck River Temperature and Dissolved Oxygen Total Maximum Daily Load - Water Quality Implementation Plan French Creek and Pilchuck River Temperature, Dissolved Oxygen, and pH Total Maximum Daily Load Water Quality Study Design (Quality Assurance Project Plan) |
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