Ten groundwater piezometers and lake-level stilling wells were deployed in Upper Klamath Lake (UKL), Oregon during May through October 2017. Piezometers and stilling wells were deployed in pairs so that water levels could be measured relative to a common measuring point (MP) at each location. Piezometers were installed in the lakebed sediment, with screens from 3.92 to 4.92 feet below the sediment-water interface (lakebed). Stilling wells were screened open to the lake. Continuous water-level data were collected at nine locations using submerged pressure transducers. One barometric pressure transducer was deployed so that continuous water-level data could be barometrically compensated. Discrete depth-to-water check measurements were collected at all ten locations at about two-week intervals using a calibrated electric water-level tape. Continuous water-level data from submerged pressure transducers were corrected for shifts and converted to values of water level below MP using discrete depth to water-level measurements. Any data that were determined to be unrepresentative (effects from waves or field measurements) or erroneous (logger malfunction) were discarded. Continuous groundwater and lake water-level data were used to calculate vertical hydraulic gradient (VHG).
Citation Information
| Publication Year | 2020 |
|---|---|
| Title | Depth-to-water data and calculated vertical hydraulic gradient at the sediment-water interface in Upper Klamath Lake, Oregon, 2017 |
| DOI | 10.5066/F7668CGD |
| Authors | Nicholas T Corson-Dosch |
| Product Type | Data Release |
| Record Source | USGS Digital Object Identifier Catalog |
| USGS Organization | Oregon Water Science Center |
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Benthic vertical hydraulic gradients in Upper Klamath Lake, Oregon, 2017
Groundwater piezometers and lake stilling wells were deployed as paired sets at 10 locations in Upper Klamath Lake in south-central Oregon from May to October 2017 to measure hydraulic heads in and beneath the lake. Continuous water-level data from piezometers and stilling wells were then used to calculate the vertical hydraulic gradient (VHG) across the sediment-water interface to determine the dAuthorsNicholas Corson-Dosch - Connect