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Full-Text Articles in Physical Sciences and Mathematics
Detecting Regional Groundwater Discharge To The Clark Fork River, Melinda Horne
Detecting Regional Groundwater Discharge To The Clark Fork River, Melinda Horne
Undergraduate Theses, Professional Papers, and Capstone Artifacts
In this study, Radon-222 (222Rn) measured in stream water and groundwater was used to constrain the quantity of groundwater discharge along a 22 km reach of the Clark Fork River as it runs through Missoula, MT. Dissolved 222Rn samples were taken at 2 km intervals along a reach extending from the confluence of the Clark Fork and the Blackfoot River near Bonner, MT to the confluence with the Bitterroot River on the northwestern edge of the Missoula Valley. Groundwater samples were taken from wells in an alluvial aquifer near Rattlesnake Creek, and combined with previous data from …
Using Thermal Infrared Imagery To Estimate Soil Hydraulic Parameters: A Novel Approach, Matthew B. Thomas
Using Thermal Infrared Imagery To Estimate Soil Hydraulic Parameters: A Novel Approach, Matthew B. Thomas
Undergraduate Theses, Professional Papers, and Capstone Artifacts
In this study, skin temperature measured with a thermal infrared (TIR) camera was used to estimate soil hydraulic parameters. These physical properties that control how soils transport and retain water are notoriously difficult to measure in the field due to spatial variability. Laboratory experiments were set up to record surface skin temperature response in a clean soil column using a TIR camera after an artificial wetting event. An array of thermocouples, a net radiometer, heat flux sensor and weather station were used to constrain the TIR data and the energy budget during the experiment. The soil column surface was then …