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| Type: | Resource | |
| Storage: | The size of this resource is 13.6 MB | |
| Created: | Feb 09, 2025 at 6:55 p.m. (UTC) | |
| Last updated: | Jun 10, 2025 at 1:14 p.m. (UTC) | |
| Published date: | Jun 10, 2025 at 1:14 p.m. (UTC) | |
| DOI: | 10.4211/hs.9be2a7c3bc19467fbfac7aa99ad61790 | |
| Citation: | See how to cite this resource |
| Sharing Status: | Published |
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| Views: | 127 |
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Abstract
Underflow, or the downstream flow of water in the shallow subsurface parallel to a stream, is important for the transport of water and solutes through river corridors and is driven by hydrostatic controls such as hydraulic conductivity and volumetric subsurface capacity. However, these controls rely on point measurements and thus the actual volume of underflow is difficult to quantify. In this study, we take advantage of bedrock outcrops paired with reach and segment scale water balances to quantify underflow. From the water balances, we learn that reach and segment scale balances can have differing interpretations due to the existence of underflow. Additionally, we suggest that fluxes, geometries, and timescales are important for fully understanding the role of underflow and present a high-level review of methods that can be used to address all three components to better quantify underflow in future studies.
Subject Keywords
Coverage
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Content
readme.txt
The files in this folder include the notes for the dilution gaging, background corrected and converted trimmed tracer files, Matlab code for the analysis, stage files, and the SI featured in “Quantifying underflow in the river corridor of a headwater mountain stream” by Becker et al., 2025. Dilution_Notes includes date of the injection, time of the injection, injected mass of NaCl in grams, location of the EC logger as meters upstream of the weir, mixing length in meters, and the corresponding file. The first sheet is for the lower segment in WS01 and the second sheet is for the upper segment in WS01. Upper Segment Folder contains all the tracers corresponding with the Dilution_Notes file for the upper segment of WS01. Names are based on the date and location of the dilution done in the field. Lower Segment Folder contains all the tracers corresponding with the Dilution_Notes file for the lower segment of WS01. Names are based on the date and location of the dilution done in the field. Stage Files folder includes the barometric files, pressure transducer files, and the matlab codes for calculating water stages along WS01. Names of the barometric files and in stream pressure transducers are based on the location (meters upstream from the weir) of where the sensor was placed. Cleaned_loadproc.m is the matlab code used to do the analysis and create the figures presented in this paper. ptopo.m provides topographical context and data for WS01. Qdata.m has discharge values saved from the Cleaned_loadproc.m file Stream.m is the data structure created from the barometric pressure data. Supplementary Info document is a copy of the SI submitted with the Becker et al., 2025 manuscript.
How to Cite
This resource is shared under the Creative Commons Attribution CC BY.
http://creativecommons.org/licenses/by/4.0/
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