TR32-Database: Database of Transregio 32

[1013] - Seasonal soil moisture patterns: Controlling transit time distributions in a forested headwater catchment

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Citation
Stockinger, M., Bogena, H., Lücke, A., Diekkrüger, B., Weiler, M., Vereecken, H., 2014. Seasonal soil moisture patterns: Controlling transit time distributions in a forested headwater catchment. Water Resources Research, 5270 - 5289. DOI: 10.1002/2013WR014815.
Identification
Title(s):Main Title: Seasonal soil moisture patterns: Controlling transit time distributions in a forested headwater catchment
Description(s):Abstract: The Transit Time Distribution (TTD) of a catchment is frequently used for understanding flow paths, storage characteristics, and runoff sources. Despite previous studies, the connections between catchment characteristics and TTDs are still not fully understood. We present results from a 2 year stable isotope tracer investigation in the forested Wüstebach headwater catchment (38.5 ha), including precipitation, stream, and tributary locations. We used the gauged outlet to determine effective precipitation (peff), subdivided for wet and dry catchment state, and assumed it to be spatially uniform. We then calculated TTDs of 14 ungauged stream and tributary locations where stable isotope tracer information was available and compared them to respective subcatchment areas and the proportion of riparian zone within the subcatchments. Our approach gave insight into the spatial heterogeneity of TTDs along the Wüstebach River. We found that hydrological hillslope-riparian zone disconnection was an important factor, as the catchment shifted between two distinct, time-variant hydrological responses that were governed by seasonal changes of overall catchment wetness. The difference in hydrological behavior of the riparian zone and hillslopes could explain the often encountered “old water phenomenon,” where considerable amounts of old water quickly appear as runoff. TTD results showed a negative correlation between riparian zone proportion and Mean Transit Time (MTT), corroborated by the dense network of soil water content measurements. No correlation between subcatchment size and MTT was found.
Identifier(s):DOI: 10.1002/2013WR014815
Citation Advice:Stockinger, M. P., H. R. Bogena, A. Lücke, B. Diekkrüger, M. Weiler, and H. Vereecken (2014), Seasonal soil moisture patterns: Controlling transit time distributions in a forested headwater catchment, Water Resour. Res., 50, 5270–5289, doi:10.1002/2013WR014815.
Responsible Party
Creator(s):Author: Michael Stockinger
Author: Heye Bogena
Author: Andreas Lücke
Author: Bernd Diekkrüger
Author: Markus Weiler
Author: Harry Vereecken
Publisher:Wiley, Hoboken, NJ, USA
Topic
TR32 Topic:Other
Subject(s):CRC/TR32 Keywords: Hydrological Modelling
File Details
File Name:Stockinger_et_al_2014_WRR.pdf
Data Type:Text
File Size:1254 kB (1.225 MB)
Date(s):Available: 2014-06-30
Mime Type:application/pdf
Data Format:PDF
Language:English
Status:Completed
Constraints
Download Permission:Free
General Access and Use Conditions:According to the TR32DB data policy agreement.
Access Limitations:According to the TR32DB data policy agreement.
Geographic
North:-no map data
East:-
South:-
West:-
Measurement Region:Germany
Measurement Location:--Germany--
Specific Informations - Publication
Status:Published
Review:PeerReview
Year:2014
Type:Article
Source:Water Resources Research
Page Range:5270 - 5289
Metadata Details
Metadata Creator:Michael Stockinger
Metadata Created:2014-08-27
Metadata Last Updated:2014-08-27
Subproject:C1
Funding Phase:2
Metadata Language:English
Metadata Version:V40
Dataset Metrics
Page Visits:163
Metadata Downloads:0
Dataset Downloads:6
Dataset Activity
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