[576] - Analysis of runoff components and water residence times in a mesoscale catchment by means of stable isotopes and modeling

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Stockinger, M., 2012. Analysis of runoff components and water residence times in a mesoscale catchment by means of stable isotopes and modeling. PhD Report, Institute of Bio and Geosciences Agrosphere (IBG-3), Research Center Jülich, Jülich, Germany. Accessed from https://www.tr32db.uni-koeln.de/data.php?dataID=576 at 2019-08-20.
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Title(s):Main Title: Analysis of runoff components and water residence times in a mesoscale catchment by means of stable isotopes and modeling
Description(s):Abstract: Over the past decades, interpretation of changes in stable isotope signatures of catchment waters have been used to assess hydrological flow paths under different flow conditions and to estimate mean catchment transit times. However, despite of the many studies the timing, flow path, and source behavior of catchments are still not well understood. We will use two coupled models, the Community Land Model (CLM) and ParFlow, to simulate runoff, transit and residence times with high resolution in a mesoscale catchment (Erkensruhr, 45 km²). To achieve this, we will use the particle tracking module of ParFlow and stable isotopes of water as a tracer. The area-integrated simulated water flows and their transit times will be compared to the modeling results of the conceptual model TRANSEP. Two fundamentally different Parameter Optimization Algorithms will be applied for TRANSEP: Ant Colony Optimization (ACO) and DiffeRential Evolution Adaptive Metropolis (DREAM). We will compare parameter estimation results and uncertainty estimations of both algorithms. DYNamic Identifiability Analsis (DYNIA) will be used together with ACO and DREAM to investigate temporal stability of parameter estimations. The spatial distribution of transit times will be investigated along 16 measurement points of the relatively short Wüstebach River (appr. 400 m), to be published in a peer-reviewed scientific journal.
Responsible Party
Creator(s):Author: Michael Stockinger
Publisher:CRC/TR32 Database (TR32DB)
TR32 Topic:Other
Subject(s):CRC/TR32 Keywords: PhD Report
File Details
File Name:Report2_Stockinger_2012.pdf
Data Type:Text
File Size:1213 kB (1.185 MB)
Date(s):Available: 2012-05-31
Mime Type:application/pdf
Data Format:PDF
Download Permission:OnlyTR32
General Access and Use Conditions:According to the TR32DB data policy agreement.
Access Limitations:According to the TR32DB data policy agreement.
Licence:TR32DB Data policy agreement
Measurement Region:Erkensruhr
Measurement Location:Wüstebach
Specific Informations - Report
Report Date:31st of May, 2012
Report Type:PhD Report
Report City:Jülich, Germany
Report Institution:Institute of Bio and Geosciences Agrosphere (IBG-3), Research Center Jülich
Number Of Pages:14
Period of Pages:1 - 14
Further Informations:TR32 Student Report Phase II
Metadata Details
Metadata Creator:Michael Stockinger
Metadata Created:2013-12-04
Metadata Last Updated:2013-12-04
Funding Phase:2
Metadata Language:English
Metadata Version:V40
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