ADS Environmental Services Profile Software 950015B6 - Manual (Page 228)

4-6 Profile Software User's Guide
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Generate accurate quantity coefficients by performing the following
steps:
Set up the
screen
Populate
calibration
table
Review
calibrations
Generate
average
coefficients
Generate
bestfit
coefficients
Store
coefficients
Print
calibration
reports
Steps for generating accurate quantity coefficients
• Set up the screen Verify the currently selected monitoring
point and time span.
• Populate the confirmation table Populate the Quantity
Coefficient Generator table with confirmation data by
manually entering field confirmations. Database confirmations
may originate from QuadraScan data imported using the QS5
Importer or Profile data imported using the Data Transfer
Utility.
• Review the confirmations Compare the field
confirmations to actual flow data using scattergraphs and
hydrographs.
• Generate average coefficients An Average HC value is
generated and displayed as field confirmations are entered to
the Quantity Coefficient Generator table. Use the Quantity
Coefficient Generator to generate the roughness or slope
coefficients when at least one of the two coefficients is known.
• Generate bestfit coefficients When the average
coefficient values for HC, roughness, or slope do not accurately
reflect the true coefficients for the monitoring point, generate a
bestfit coefficient which minimizes the mathematical error
through the span of the coefficients.
• Store the quantity coefficients After generating and
reviewing average or bestfit coefficients, save the new
coefficients to the database.