View source for Monitoring:Temperature

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==Modeling Application: Temperature== 

===Objectives===
[[Image: LauranceLake.jpg |right|thumb|165 px|Laurance Lake is located in Hood River County, OR]]

In 2005<ref name="Berger">Berger, C., Wells S., & Annear, R. (2005). Laurance Lake Temperature Model.  ''Portland State University.'' [http://www.ce.pdx.edu/w2/download/laurance_lake/Report_Laurance_Lake_7.pdf Go]</ref>, a hydrodynamic and temperature model was developed with CE-QUAL-W2 for Laurance Lake in Hood River County, Oregon.  The reservoir empties into the Middle Fork of the Hood River, and since Hood River currently violates temperature standards, a hydrodynamic and temperature CE-QUAL-W2 model was developed to assess strategies for improving temperatures in the Middle Fork River.<br><br>

The objectives of this study were defined as:
*Develop a hydrodynamic and temperature model of Laurance Lake
*Calibrate the model to field data collected from November 2002 through Spring 2004
*Use the model to evaluate strategies for temperature improvement through operational or structural changes to Lake Laurance<br><br>

===Data Needs===
#''Geometry Data''
#*<u>Lake bathymetry</u>: Bathymetry was developed using depth soundings, a USGS digital elevation map (DEM), and a bathymetric contour map provided by the Middle Fork Irrigation District.
#''Initial Conditions''
#*<u>Initial Temperature</u>: A single vertical profile was used for the initial temperature
#''Boundary Conditions''
#*<u>Meteorological data</u>: Meteorological data was measured at the dam and at an agrimet station located in a nearby city.
#*<u>Daily outflows</u>: The outflow file was developed from data provided by the Middle Fork Irrigation District (MFID)
#*<u>Daily inflows</u>: Inflows were based on gaging station data.  Where gaging data was not available, a regression equation was used.
#*<u>Inflow temperatures</u>: Inflow temperatures were measured directly.
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===Monitoring Needs===
#''In-Pool/In-Situ Data''
#*<u>Vertical temperature profiles</u>: Temperature probes located along the dam were measured continuously over the simulation period.
#''Water Budget''
#*<u>Daily water level at upstream system boundary</u>
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===Reference===
<references/>