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	<id>https://csdms.colorado.edu/csdms_wiki/api.php?action=feedcontributions&amp;feedformat=atom&amp;user=Cxd11</id>
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	<updated>2026-04-30T09:18:27Z</updated>
	<subtitle>User contributions</subtitle>
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	<entry>
		<id>https://csdms.colorado.edu/csdms_wiki/index.php?title=Meeting:Abstract_2013_CSDMS_meeting-076&amp;diff=56773</id>
		<title>Meeting:Abstract 2013 CSDMS meeting-076</title>
		<link rel="alternate" type="text/html" href="https://csdms.colorado.edu/csdms_wiki/index.php?title=Meeting:Abstract_2013_CSDMS_meeting-076&amp;diff=56773"/>
		<updated>2013-02-08T15:07:56Z</updated>

		<summary type="html">&lt;p&gt;Cxd11: Created page with &amp;quot;{{CSDMS meeting 2013 not paid}} {{CSDMS meeting personal information template-2013 |CSDMS meeting first name=Christopher |CSDMS meeting last name=Duffy |CSDMS meeting institut...&amp;quot;&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{CSDMS meeting 2013 not paid}}&lt;br /&gt;
{{CSDMS meeting personal information template-2013&lt;br /&gt;
|CSDMS meeting first name=Christopher&lt;br /&gt;
|CSDMS meeting last name=Duffy&lt;br /&gt;
|CSDMS meeting institute=Penn State University&lt;br /&gt;
|CSDMS meeting city=University Park&lt;br /&gt;
|CSDMS meeting country=United States&lt;br /&gt;
|CSDMS meeting state=Pennsylvania&lt;br /&gt;
|CSDMS meeting email address=cxd11@psu.edu&lt;br /&gt;
|CSDMS meeting phone=814 863-4384&lt;br /&gt;
}}&lt;br /&gt;
{{CSDMS meeting abstract yes no&lt;br /&gt;
|CSDMS meeting abstract submit=Yes&lt;br /&gt;
}}&lt;br /&gt;
{{CSDMS meeting abstract title template-2013&lt;br /&gt;
|CSDMS meeting abstract title=Modeling The Isotopic “Age” of  Water in Hydroecological Systems&lt;br /&gt;
}}&lt;br /&gt;
{{CSDMS meeting authors template&lt;br /&gt;
|CSDMS meeting coauthor first name abstract=Gopal&lt;br /&gt;
|CSDMS meeting coauthor last name abstract=Bhatt&lt;br /&gt;
|CSDMS meeting coauthor institute / Organization=Penn State University&lt;br /&gt;
|CSDMS meeting coauthor town-city=University Park&lt;br /&gt;
|CSDMS meeting coauthor country=United States&lt;br /&gt;
|State=Pennsylvania&lt;br /&gt;
}}&lt;br /&gt;
{{CSDMS meeting authors template&lt;br /&gt;
|CSDMS meeting coauthor first name abstract=Evan &lt;br /&gt;
|CSDMS meeting coauthor last name abstract=Thomas&lt;br /&gt;
|CSDMS meeting coauthor institute / Organization=Penn State University&lt;br /&gt;
|CSDMS meeting coauthor town-city=University Park&lt;br /&gt;
|CSDMS meeting coauthor country=United States&lt;br /&gt;
|State=Pennsylvania&lt;br /&gt;
}}&lt;br /&gt;
{{CSDMS meeting abstract template&lt;br /&gt;
|CSDMS meeting abstract=Theories have been proposed using idealized tracer age modeling for ocean ventilation, atmospheric circulation, soil, stream and groundwater flow. In this research we developing new models for the dynamic age of water in hydroecological systems. Approaches generally assume a steady flow regime and stationarity in the concentration (tracer) distribution function for age, although recent work shows that this is not a necessary assumption. In this paper a dynamic model for flow, concentration, and age for soil water is presented including the effect of macropore behavior on the relative age of recharge and transpired water.  Several theoretical and practical issues are presented. &lt;br /&gt;
}}&lt;br /&gt;
{{blank line template}}&lt;/div&gt;</summary>
		<author><name>Cxd11</name></author>
	</entry>
	<entry>
		<id>https://csdms.colorado.edu/csdms_wiki/index.php?title=Model:PIHMgis&amp;diff=9499</id>
		<title>Model:PIHMgis</title>
		<link rel="alternate" type="text/html" href="https://csdms.colorado.edu/csdms_wiki/index.php?title=Model:PIHMgis&amp;diff=9499"/>
		<updated>2009-10-22T20:03:33Z</updated>

		<summary type="html">&lt;p&gt;Cxd11: Created page with &amp;#039;{{Modeler information |First name=Christopher |Last name=Duffy |Type of contact=Project manager |Institute / Organization=Penn State University |Postal address 1=212 Sackett |Tow…&amp;#039;&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{Modeler information&lt;br /&gt;
|First name=Christopher&lt;br /&gt;
|Last name=Duffy&lt;br /&gt;
|Type of contact=Project manager&lt;br /&gt;
|Institute / Organization=Penn State University&lt;br /&gt;
|Postal address 1=212 Sackett&lt;br /&gt;
|Town / City=University Park&lt;br /&gt;
|Postal code=16802&lt;br /&gt;
|State=Pennsylvania&lt;br /&gt;
|Country=United States&lt;br /&gt;
|Email address=cxd11@psu.edu&lt;br /&gt;
|Phone=1 814 863-4384&lt;br /&gt;
}}&lt;br /&gt;
{{Additional modeler information&lt;br /&gt;
|Additional first name=Gopal&lt;br /&gt;
|Additional last name=Bhatt&lt;br /&gt;
|Additional type of contact=Technical contact&lt;br /&gt;
|Additional institute / Organization=Penn State University&lt;br /&gt;
|Additional state=Pennsylvania&lt;br /&gt;
|Additional email address=gxb913@psu.edu&lt;br /&gt;
}}&lt;br /&gt;
{{Additional modeler information&lt;br /&gt;
|Additional first name=Mukesh&lt;br /&gt;
|Additional last name=Kumar&lt;br /&gt;
|Additional type of contact=Technical contact&lt;br /&gt;
|Additional institute / Organization=UCSB&lt;br /&gt;
|Additional state=California&lt;br /&gt;
|Additional email address=muk139@psu.edu&lt;br /&gt;
}}&lt;br /&gt;
{{Model identity&lt;br /&gt;
|Model type=Tool&lt;br /&gt;
|Categories=Hydrology&lt;br /&gt;
|Spatial dimensions=2D&lt;br /&gt;
|Spatialscale=Regional-Scale, Landscape-Scale, Watershed-Scale, Reach-Scale&lt;br /&gt;
|One-line model description=Tightly coupled GIS interface for the Penn State Integrated Hydrologic Model&lt;br /&gt;
|Extended model description=Physically-based fully-distributed hydrologic models try to simulate hydrologic state variables in space and time while using information regarding heterogeneity in climate, land use, topography and hydrogeology. However incorporating a large number of physical data layers in the hydrologic model requires intensive data development and topology definitions. &lt;br /&gt;
}}&lt;br /&gt;
{{Model technical information&lt;br /&gt;
|Supported platforms=Unix, Linux, Mac OS, Windows&lt;br /&gt;
|Programming language=C, C++&lt;br /&gt;
|Other program language=Qt&lt;br /&gt;
|Code optimized=Single Processor&lt;br /&gt;
|Start year development=2005&lt;br /&gt;
|Does model development still take place?=Yes&lt;br /&gt;
|Model availability=As code, As teaching tool, As executable&lt;br /&gt;
|Source code availability=Through owner, Through web repository&lt;br /&gt;
|Source web address=http://sourceforge.net/projects/pihmgis/&lt;br /&gt;
|Program license type=GPL v2&lt;br /&gt;
|OpenMI compliant=No not possible&lt;br /&gt;
|CCA component=No not possible&lt;br /&gt;
|IRF interface=No not possible&lt;br /&gt;
|Memory requirements=512 mb&lt;br /&gt;
|Typical run time=variable&lt;br /&gt;
}}&lt;br /&gt;
{{Input - Output description&lt;br /&gt;
|Pre-processing software needed?=No&lt;br /&gt;
|Post-processing software needed?=No&lt;br /&gt;
|Visualization software needed?=No&lt;br /&gt;
}}&lt;br /&gt;
{{Process description model}}&lt;br /&gt;
{{Model testing}}&lt;br /&gt;
{{Users groups model&lt;br /&gt;
|Do you have current or future plans for collaborating with other researchers?=yes&lt;br /&gt;
}}&lt;br /&gt;
{{Documentation model&lt;br /&gt;
|Manual model available=Yes&lt;br /&gt;
}}&lt;br /&gt;
{{Additional comments model}}&lt;br /&gt;
&amp;lt;!-- PLEASE USE THE &amp;quot;EDIT WITH FORM&amp;quot; BUTTON TO EDIT ABOVE CONTENTS; CONTINUE TO EDIT BELOW THIS LINE --&amp;gt;&lt;br /&gt;
==Introduction==&lt;br /&gt;
&lt;br /&gt;
== History ==&lt;br /&gt;
&lt;br /&gt;
== Papers ==&lt;br /&gt;
&lt;br /&gt;
== Issues ==&lt;br /&gt;
&lt;br /&gt;
== Help ==&lt;br /&gt;
&lt;br /&gt;
== Input Files ==&lt;br /&gt;
&lt;br /&gt;
== Output Files ==&lt;br /&gt;
&lt;br /&gt;
== Download ==&lt;br /&gt;
&lt;br /&gt;
== Source ==&lt;/div&gt;</summary>
		<author><name>Cxd11</name></author>
	</entry>
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