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Bay-Delta Office
Department of Water Resources
1416 9th Street,
Sacramento, Ca 95814
Mailing Address:
P. O. Box 942836,
Sacramento, Ca 94236-0001
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DSM2-DB Status
Work continues on the
new version of DSM2, which should be ready in the first half of
2005. Significant new features are usage of a relational database and
GUI, HDF5 for the tidefile, more flexible gate parameters, and an operating
rule language. (01/18/05)
 more...
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DSM2 Users Group Meeting
Delta Modeling Section staff hosted the October DSM2 Users Group Meeting
where topics covered included the Delta Modeling Section’s Annual
Report, DOC forecasts associated with Jones Tract pumpout, and the DSM2
California Aqueduct Extension. (11/13/04)
more...
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DSM2 DOC Forecasts for Jones Tract
The Delta Modeling Section completed an updated set of DSM2 Dissolved
Organic Carbon (DOC) forecasts testing the sensitivity of future Jones
Tract pump-off operations and different DOC growth rates on Jones Tract
at four Delta urban drinking water intakes (the State Water Project’s
Banks Pumping Plant, the Central Valley Water Project’s Tracy Pumping
Plant, and Contra Costa Water District’s Los Vaqueros Reservoir
and Rock Slough Intakes). These updated forecasts showed DOC levels at
Banks and Tracy peaking between 4 and 6 mg/L for some scenarios in late
September. Earlier DSM2 forecasts showed higher DOC concentrations.
(09/22/04)
more...
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Forecasting DOC due to Jones Tract
Pump-Out
The Delta Modeling Section of the Bay-Delta Office completed a set of
short-term and long-term Dissolved Organic Carbon (DOC) forecasts in response
to proposed repair and pump-off operations associated with the Jones Tract
Levee Breach. The short-term forecasts focused on the early impacts of
the proposed pump-off operations at four South Delta urban intakes, while
the long-term forecasts examined the DOC through the end of 2004. Studies
indicate little impact at the urban intakes within the first two weeks
of pump-out, but, assuming a high-DOC growth rate in Jones Tract, DOC
at the State Water Project (Clifton Court Forebay), Tracy Pumping Plant,
and the Los Vaqueros Reservoir Intake may exceed 6 mg/L before the pump-out
operations end in early October 2004. (07/09/04)
more... |
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Update on REALM Development
A new River, Estuary, and Land Model (REALM) is being developed to take
advantage of state-of-the-art techniques in computational fluid dynamics
and related fields such as GIS, databases, and system control. The latest
work has been summarized in the status report. (3/25/04)
more...
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CWEMF 2004 Annual Meeting
Modeling Support Branch staff attended the annual CWEMF meeting at Asilomar
in late February. The Department of Water Resources modeling staff made
15 presentations and moderated 5 sessions. The number of DWR presentations
accounts for one-third of all presentations made during three days of
the conference. The conference was well attended (over 120) and was highly
successful in exchanging up-to-date information. (03/05/04)
more...
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