Data from Beetle-Moorcroft et al. (2021), Exploring conceptual models of infiltration and groundwater recharge on an intermittent river: the role of geologic controls


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Resource type: Composite Resource
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Created: Jun 14, 2020 at 4:51 p.m.
Last updated: Apr 05, 2021 at 5:37 p.m.
DOI: 10.4211/hs.6d0860dfc4d949b8a0b2202e0fc31e9c
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Abstract

These data are described in Beetle-Moorcroft, F., Shanafield, M., and and Singha, K. (2021). Exploring conceptual models of infiltration and groundwater recharge on an intermittent river: the role of geologic controls. Journal of Hydrology-Regional Studies, https://doi.org/10.1016/j.ejrh.2021.100814.

Non-perennial rivers and streams are the main surface water resource in arid climates, and streambed infiltration in these systems is a vital component of groundwater recharge. Subsurface geology controls the extent and location of streambed infiltration and therefore impacts both streamflow and groundwater levels. This study explores geological controls on groundwater recharge through an intermittent river streambed using scenario evaluation with numerical models constrained by field observations. Our conceptual model included five fundamental variations in the system that could impact where and how much recharge is possible: 1) the presence of a fault; 2) variation in the alluvial aquifer hydraulic conductivity; 3) variation in the thickness of the streambed; 4) presence or absence of a confining unit; and 5) groundwater withdrawals via pumping. To achieve a realistic outcome, we parameterized the model using field observations from the Alamosa River in Colorado as an example. Scenarios that changed hydraulic conductivity values resulted in the most notable changes to infiltration, streamflow, and deep aquifer recharge; conversely, variations in streambed thickness had the least impact. The extent to which streambed infiltration occurs is dependent on streambed properties as well as the hydraulic properties of the underlying alluvial aquifer, and this in turn controls the impacts on streamflow. This research shows that subsurface heterogeneities are a fundamental control on non-perennial rivers’ hydrogeologic systems and are key to their resilience.

Subject Keywords

Resource Level Coverage

Spatial

Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
Alamosa River - Capulin
North Latitude
37.3049°
East Longitude
-106.1109°
South Latitude
37.2813°
West Longitude
-106.1560°

Temporal

Start Date:
End Date:

Content

Readme.txt

README.txt

Stream Discharge.zip

Files: 
VP-1_Discharge_8_6_19.csv 
VP-1_Discharge_8_7_19.csv
VP-2_Discharge_8_7_19.csv
VP-2_Discharge_8_8_19.csv

Instruments used:
Velocity Meter: Hach FH950 Flow Meter (m/s)
Wading Rod: Rickly USGS Top Setting Wading Rod (cm)

Data Collected: Distance (m) along measuring tape, Depth (cm) - height of water column, Velocity (m/s) - taken at 2/3 depth

Base Model Files.zip

MODFLOW 2005 Input Files: 
Base_Model_3_1_20.nam - name file, contains the names of all input files
Base_Model_3_1_20.bas - basic package file
Base_Model_3_1_20.dis - discretization file
Base_Model_3_1_20.lpf - layer property flow file
Base_Model_3_1_20.zone - zone file
Base_Model_3_1_20.pcg - preconditioned conjugate gradient package file
Base_Model_3_1_20.oc - output control file
Base_Model_3_1_20.sfr - streamflow routing package file

Description: these files are for the base case model, scenario 0

Resistivity.csv

Instruments Used: Iris Syscal Pro Resistivity Meter

Description: 3 Dipole dipole surveys were collected along the same linear transect, the resistances for the three runs were averaged.  The standard deviation
of the three runs was used to compute a data weight associated with each measurement.

Data Collected: Resistence (ohms), Data weight (unitless)

File Structure:
Line 1: number of quadrupoles collected
Lines 3-1159: columns explained in Line 2

Drone Magnetometer Data was collected by Juniper Unmanned (JU) and International Geophysical Services (IGS).  These data may be available upon request 
if consent is granted by JU and IGS.







References

Related Resources

This resource is described by: Beetle-Moorcroft, F. (2020). Exploring geologic controls on infiltration and groundwater recharge on an ephemeral river: a coupled geophysics and modeling approach. MS Thesis, Hydrologic Science and Engineering Program, Colorado School of Mines.
This resource is described by: Beetle-Moorcroft, F., Shanafield, M., and and Singha, K. (2021). Exploring conceptual models of infiltration and groundwater recharge on an intermittent river: The role of geologic controls. Journal of Hydrology-Regional Studies. https://doi.org/10.1016/j.ejrh.2021.100814.

Credits

Contributors

People or Organizations that contributed technically, materially, financially, or provided general support for the creation of the resource's content but are not considered authors.

Name Organization Address Phone Author Identifiers
Margaret Shanafield Flinders University
Jackie Randell Colorado School of Mines

How to Cite

Beetle-Moorcroft, F., K. Singha (2021). Data from Beetle-Moorcroft et al. (2021), Exploring conceptual models of infiltration and groundwater recharge on an intermittent river: the role of geologic controls, HydroShare, https://doi.org/10.4211/hs.6d0860dfc4d949b8a0b2202e0fc31e9c

This resource is shared under the Creative Commons Attribution-NoCommercial CC BY-NC.

 http://creativecommons.org/licenses/by-nc/4.0/
CC-BY-NC

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