Total Dissolved Gas and Water Temperature in the Lower Columbia River, Oregon and Washington, 2004 PDF Download
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Author: Dwight Q. Tanner
Publisher:
ISBN:
Category : Dams
Languages : en
Pages : 54
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Book Description
Of total-dissolved-gas data completeness and quality -- Quality-assurance data -- Effects of spill on total dissolved gas -- Comparisons of total dissolved gas and temperature to standards.
Author: Dwight Q. Tanner
Publisher:
ISBN:
Category : Dams
Languages : en
Pages : 54
Get Book Here
Book Description
Of total-dissolved-gas data completeness and quality -- Quality-assurance data -- Effects of spill on total dissolved gas -- Comparisons of total dissolved gas and temperature to standards.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Dwight Q. Tanner
Publisher:
ISBN:
Category : Dams
Languages : en
Pages : 22
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Book Description
Author: Dwight Q. Tanner
Publisher:
ISBN:
Category : Dams
Languages : en
Pages : 28
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Book Description
Author: Dwight Q. Tanner
Publisher:
ISBN:
Category : Dams
Languages : en
Pages : 24
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Book Description
Author: Dwight Q. Tanner
Publisher:
ISBN:
Category : Dams
Languages : en
Pages : 12
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Book Description
Author: Heather M. Bragg
Publisher:
ISBN:
Category : Dams
Languages : en
Pages : 26
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Book Description
Author: Dwight Q. Tanner
Publisher:
ISBN:
Category : Water
Languages : en
Pages : 94
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Book Description
Author: U.S. Department Of The Interior
Publisher: CreateSpace
ISBN: 9781497390164
Category :
Languages : en
Pages : 34
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Book Description
Air is entrained in water it is flows through the spillways of dams, which causes an increase in concentration of total dissolved gas in the water downstream from the dams.
Author: Heather M. Bragg
Publisher:
ISBN:
Category : Dams
Languages : en
Pages : 26
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Book Description
An analysis of total-dissolved-gas (TDG) and water-temperature data collected at eight fixed monitoring stations on the lower Columbia River in Oregon and Washington in water year 2015 indicated the following: All but 1 of the 85 TDG sensor laboratory checks that were performed after field deployment were within ±0.5-percent saturation of a primary standard. After 3-4 weeks of deployment in the river, 79 of 89 TDG sensor field checks were within ±1.0-percent saturation of a secondary standard. Nine of the field checks greater than ±1.0-percent saturation occurred at the John Day Dam tailwater station and resulted in periods of deleted TDG data at the station. All 90 barometric pressure field checks were within ±1 millimeter of mercury of a primary stand-ard, and all 90 water-temperature field checks were within ±0.2 degrees Celsius of a secondary standard. TDG data were considered complete if received in real time and within 1-percent saturation of the expected value on the basis of calibration data, replicate quality-control measurements, and comparison to river conditions at adjacent stations. For the eight monitoring stations, data completeness ranged from 71.9 to 99.8 percent. All quality-assurance values exceed the criteria established by the U.S. Army Corps of Engineers TDG monitoring plan. Criteria for data completeness (95-percent) were met at seven of the eight monitoring stations. Deleted data at the John Day tailwater station resulted in data completeness below criteria.
