A decision support system for real-time management of dissolvedoxygen in the Stockton deep water ship channel

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A decision support system(DSS)is under development to assistin the control and management of episodes of dissolved oxygen sag in aDeep Water Ship Channel (DWSC), located in Stockton, California. The DWSCwas formed by excavating the bed of the San Joaquin River in the 1950'sto allow navigation by ocean-going cargo ships to the Port of Stockton.The deepened channel has the effect of increasing hydraulic residencetime by a factor of ten. allowing accumulation of decaying algae andother oxygen demanding substances - which creates a barrier to themigration of anadromous fish. This problem, which manifests itself inlate summer and early autumn, is an impediment … continued below

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Quinn, N. W. T.; Chen, Carl W. & Stringfellow, William T. July 16, 2003.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by the UNT Libraries Government Documents Department to the UNT Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 87 times. More information about this article can be viewed below.

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A decision support system(DSS)is under development to assistin the control and management of episodes of dissolved oxygen sag in aDeep Water Ship Channel (DWSC), located in Stockton, California. The DWSCwas formed by excavating the bed of the San Joaquin River in the 1950'sto allow navigation by ocean-going cargo ships to the Port of Stockton.The deepened channel has the effect of increasing hydraulic residencetime by a factor of ten. allowing accumulation of decaying algae andother oxygen demanding substances - which creates a barrier to themigration of anadromous fish. This problem, which manifests itself inlate summer and early autumn, is an impediment to a multimillion dollarhabitat restoration effort for the salmon fishery in the San JoaquinRiver basin (SJRB). A hydrodynamic and water quality model of the Deltaand San Joaquin River forms the basis of the DSS which will provideforecasts of dissolved oxygen sag in the DWSC and provide modelingsupport for management actions such as forced aeration to improvedissolved oxygen concentrations in the Ship Channel. A graphical userinterlace, currently used for displaying flow and salinity forecasts onthe San Joaquin River, is being adapted to allow the display of dissolvedoxygen forecasts and to encourage the formation of a stakeholder-ledentity or institution to adaptively manage the problem.

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  • 9th International Symposium on EnvironmentalSoftware Systems (ISESS), Semmering, Austria, May 28-June 2,2003

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  • Report No.: LBNL--53394
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 918111
  • Archival Resource Key: ark:/67531/metadc890610

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  • July 16, 2003

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  • Sept. 22, 2016, 2:13 a.m.

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  • Dec. 8, 2016, 3:11 p.m.

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Quinn, N. W. T.; Chen, Carl W. & Stringfellow, William T. A decision support system for real-time management of dissolvedoxygen in the Stockton deep water ship channel, article, July 16, 2003; Berkeley, California. (https://digital.library.unt.edu/ark:/67531/metadc890610/: accessed April 24, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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