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<?xml version="1.0" encoding="UTF-8"?>
<parameters xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.wldelft.nl/fews/PI" xsi:schemaLocation="http://www.wldelft.nl/fews/PI http://fews.wldelft.nl/schemas/version1.0/pi-schemas/pi_modelparameters.xsd" version="1.5">
<group id="default" readonly="false" modified="false">
<parameter id="UHG_DURATION" name="UHG_DURATION">
<intValue>6</intValue>
</parameter>
<parameter id="UNIT" name="UNIT">
<stringValue>ENGLISH</stringValue>
</parameter>
<parameter id="UHG_INTERVAL" name="UHG_INTERVAL">
<intValue>6</intValue>
</parameter>
<parameter id="DRAINAGE_AREA" name="DRAINAGE_AREA">
<dblValue>3103.0</dblValue>
</parameter>
<parameter id="CONSTANT_BASE_FLOW" name="CONSTANT_BASE_FLOW">
<dblValue>111.0</dblValue>
</parameter>
<parameter id="UHG_ORDINATES" name="UHG_ORDINATES">
<table>
<columnTypes A="double"/>
<row A="7499.0"/>
<row A="16872.0"/>
<row A="29370.0"/>
<row A="39993.0"/>
<row A="48116.0"/>
<row A="43742.0"/>
<row A="38118.0"/>
<row A="31869.0"/>
<row A="24995.0"/>
<row A="18747.0"/>
<row A="13123.0"/>
<row A="8123.0"/>
<row A="5436.0"/>
<row A="3874.0"/>
<row A="2625.0"/>
<row A="1687.0"/>
<row A="1000.0"/>
<row A="500.0"/>
<row A="250.0"/>
<row A="62.0"/>
<row A="0.0"/>
<row A="0.0"/>
<row A="0.0"/>
<row A="0.0"/>
<row A="0.0"/>
<row A="0.0"/>
<row A="0.0"/>
<row A="0.0"/>
</table>
</parameter>
</group>
<group id="default" readonly="false" modified="true">
<validPeriod>
<timeZone>0.0</timeZone>
<startDate date="2012-09-09" time="12:00:00"/>
<endDate date="2012-09-27" time="12:00:00"/>
</validPeriod>
<parameter id="UHG_DURATION" name="UHG_DURATION">
<intValue>6</intValue>
</parameter>
<parameter id="UNIT" name="UNIT">
<stringValue>ENGLISH</stringValue>
</parameter>
<parameter id="UHG_INTERVAL" name="UHG_INTERVAL">
<intValue>6</intValue>
</parameter>
<parameter id="DRAINAGE_AREA" name="DRAINAGE_AREA">
<dblValue>3103.0</dblValue>
</parameter>
<parameter id="CONSTANT_BASE_FLOW" name="CONSTANT_BASE_FLOW">
<dblValue>0.0</dblValue>
</parameter>
<parameter id="UHG_ORDINATES" name="UHG_ORDINATES">
<table>
<columnTypes A="double"/>
<row A="8666.18"/>
<row A="19498.05"/>
<row A="33941.3"/>
<row A="46217.72"/>
<row A="24331.23"/>
<row A="50550.24"/>
<row A="23027.725"/>
<row A="36829.26"/>
<row A="28885.35"/>
<row A="21664.88"/>
<row A="15165.53"/>
<row A="9387.31"/>
<row A="6282.09"/>
<row A="4476.97"/>
<row A="3033.57"/>
<row A="1949.57"/>
<row A="1155.65"/>
<row A="577.82"/>
<row A="288.91"/>
<row A="71.65"/>
<row A="0.0"/>
<row A="0.0"/>
<row A="0.0"/>
<row A="0.0"/>
<row A="0.0"/>
<row A="0.0"/>
<row A="0.0"/>
<row A="0.0"/>
</table>
</parameter>
</group>
</parameters> |
Time series modifiers
Time series modifiers modify time series. It is possible to apply more than 1 modifier to a single time series.
A single time series modifier can be applied to multiple time series. The original time series will always be left unchanged in the database.
When a time series is retrieved from the database first the original time series will be retrieved.
After retrieving the time series from the database the modifiers will be applied to the time series. The modifiers will be applied from old to new.
Rating curves can also be modified in FEWS. Because rating curves are considered to be a form of time series rating curve modifiers are a special type of time series modifiers.
Time series modifiers can be created by using the modifiers panel or by modifying a time series directly in the time series plot or time series table.
Config options which apply to all modifiers
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<adjustQModifiers> <disableAdjustmentModifier id="espadjq" name="ESPADJQ"/> </adjustQModifiers> |
Time series modifiers
Single value modifiers
A single value modifier is a modifier which modifies only one value at one time step in a time series. The forecaster can define a single value modifier in the modifier panel by selecting a date and a value. The combination of the selected time and value is the definition of the single value modifier.
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