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Title

Groundwater/Surface Water Interactions in the Upper Sammamish River: A Preliminary Analysis

 
Publication number Date Published
03-03-015March 2003
VIEW NOW Groundwater/Surface Water Interactions in the Upper Sammamish River: A Preliminary Analysis (Number of pages: 25) (Publication Size: 1MB)




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Author(s) Carey, B.
Description Due to excessive temperatures, three segments of the Sammamish River are included on the 303(d) list for Washington State impaired waters. Mini-piezometers were installed at nine locations along the upper six miles of the river in August 2001 to observe groundwater/surface water interactions during the fall. Monthly measurements in the fall of 2001 indicate that groundwater discharged to the river at eight of nine sites on all but one date. The flow direction at one site was consistently from the river to the streambed, contrary to geologic indications of discharge from the adjacent Bear Creek Alluvial Valley.
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Keywords creek, measurement, surface water, flow, 303(d), study, river, water, groundwater
WATERSHED Water Resource Inventory Area 08 Cedar-Sammamish
DATA Environmental Information Management (EIM) #BCAR0001

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