Bill Eldridge
Hydrologist for the Dakota Water Science Center
Bill Eldridge is a hydrologist at the Dakota Water Science Center. He received a Bachelor and Master degrees in Geological Engineering from the South Dakota School of Mines and Technology. He also has a Bachelor degree in Chemistry from the U.S. Air Force Academy. Since joining the USGS in 2013, Bill studies Black Hills hydrology and groundwater modeling.
Science and Products
Filter Total Items: 14
Water-level data and AQTESOLV Pro analysis results for slug tests in the Big Sioux Aquifer, Sioux Falls, South Dakota, 2017 Water-level data and AQTESOLV Pro analysis results for slug tests in the Big Sioux Aquifer, Sioux Falls, South Dakota, 2017
Well and aquifer data were collected from field measurements and drillers' logs. Multiple slug tests were completed at each well with a transducer to record the change in water level and a U.S. Geological Survey standard mechanical slug to displace the well's water column. A Solinst Levelogger LT F30/M10 electronic transducer (unvented) was used to record water-level changes during each...
MODFLOW-NWT model of the glacial aquifer system north of Aberdeen, South Dakota, through water year 2015 MODFLOW-NWT model of the glacial aquifer system north of Aberdeen, South Dakota, through water year 2015
A previously developed three-dimensional groundwater flow model (https://doi.org/10.3133/sir20125183) of the three primary aquifers in the region north of Aberdeen, South Dakota, was revised to assist the City of Aberdeen with water-resource planning. The principal aquifers are the Elm, Middle James, and Deep James. The numerical model is intended to be used to (1) simulate hydrologic...
Filter Total Items: 14
Effects of El Niño on distribution and reproductive performance of Black Brant Effects of El Niño on distribution and reproductive performance of Black Brant
Climate in low-latitude wintering areas may influence temperate and high-latitude breeding populations of birds, but demonstrations of such relationships have been rare because of difficulties in linking wintering with breeding populations. We used long-term aerial surveys in Mexican wintering areas and breeding areas in Alaska, USA, to assess numbers of Black Brant (Branta bernicla...
Authors
James S. Sedinger, David H. Ward, Jason L. Schamber, William I. Butler, William D. Eldridge, Bruce Conant, James F. Voelzer, Nathan Chelgren, Mark P. Herzog
Use of wetland habitats by birds in the National Petroleum Reserve-Alaska Use of wetland habitats by birds in the National Petroleum Reserve-Alaska
No abstract available.
Authors
Dirk V. Derksen, Thomas C. Rothe, William D. Eldridge
Science and Products
Filter Total Items: 14
Water-level data and AQTESOLV Pro analysis results for slug tests in the Big Sioux Aquifer, Sioux Falls, South Dakota, 2017 Water-level data and AQTESOLV Pro analysis results for slug tests in the Big Sioux Aquifer, Sioux Falls, South Dakota, 2017
Well and aquifer data were collected from field measurements and drillers' logs. Multiple slug tests were completed at each well with a transducer to record the change in water level and a U.S. Geological Survey standard mechanical slug to displace the well's water column. A Solinst Levelogger LT F30/M10 electronic transducer (unvented) was used to record water-level changes during each...
MODFLOW-NWT model of the glacial aquifer system north of Aberdeen, South Dakota, through water year 2015 MODFLOW-NWT model of the glacial aquifer system north of Aberdeen, South Dakota, through water year 2015
A previously developed three-dimensional groundwater flow model (https://doi.org/10.3133/sir20125183) of the three primary aquifers in the region north of Aberdeen, South Dakota, was revised to assist the City of Aberdeen with water-resource planning. The principal aquifers are the Elm, Middle James, and Deep James. The numerical model is intended to be used to (1) simulate hydrologic...
Filter Total Items: 14
Effects of El Niño on distribution and reproductive performance of Black Brant Effects of El Niño on distribution and reproductive performance of Black Brant
Climate in low-latitude wintering areas may influence temperate and high-latitude breeding populations of birds, but demonstrations of such relationships have been rare because of difficulties in linking wintering with breeding populations. We used long-term aerial surveys in Mexican wintering areas and breeding areas in Alaska, USA, to assess numbers of Black Brant (Branta bernicla...
Authors
James S. Sedinger, David H. Ward, Jason L. Schamber, William I. Butler, William D. Eldridge, Bruce Conant, James F. Voelzer, Nathan Chelgren, Mark P. Herzog
Use of wetland habitats by birds in the National Petroleum Reserve-Alaska Use of wetland habitats by birds in the National Petroleum Reserve-Alaska
No abstract available.
Authors
Dirk V. Derksen, Thomas C. Rothe, William D. Eldridge