10 datasets found
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Federal
Continuous resistivity profiling (CRP) in the Cedar River Floodplain, Cedar Rapids, Iowa, 2015
Department of the Interior —
In April 2015, approximately 19 miles of continuous resistivity profiling (CRP) surveys were collected on the Cedar River in Cedar Rapids, Iowa. The CRP method was... -
Federal
Hydrologic and Water Quality Data from the Cedar River and Cedar River Alluvial Aquifer, Linn County, IA, 1990-2019
Department of the Interior —
Surface and groundwater samples were collected, processed, and analyzed for pesticides, nutrients, organic carbon, and inorganics as part of a cooperative study with... -
Federal
Permeameter test data collected in the streambed sediments of the Cedar River near Cedar Rapids, Iowa, 2014
Department of the Interior —
This data release contains a set of permeameter test data collected in February and March of 2014 on the Cedar River near Cedar Rapids, Iowa. The permeameter tests... -
Federal
Continuous Seismic Profiling (CSP) surveys in the Cedar River Floodplain, Cedar Rapids, Iowa: 2015-2017
Department of the Interior —
In April 2015, approximately 22 miles of continuous seismic profiling (CSP) surveys were collected on the Cedar River in Iowa. The swept frequency (chirp) CSP... -
Federal
Geophysical Data Collected in the Cedar River Floodplain, Cedar Rapids, Iowa, 2015-2017
Department of the Interior —
A suite of geophysical methods was used along the Cedar River in Cedar Rapids, Iowa to support the hydrogeologic characterization of the alluvial aquifer associated... -
Federal
Borehole Electromagnetic Induction, Natural Gamma, and Nuclear Magnetic Resonance Logging in the Cedar River Floodplain, Cedar Rapids, Iowa, 2017
Department of the Interior —
In June 2017, the U.S. Geological Survey (USGS)collected borehole geophysical logs to characterize the shallow alluvial aquifer in and near Cedar Rapids, Iowa.... -
Federal
Horizontal-to-Vertical Spectral Ratio (HVSR) Passive-Seismic Data Collected in the Cedar River Floodplain, Cedar Rapids, Iowa, 2015
Department of the Interior —
In April 2015, a total of 34 passive seismic surveys were conducted in the Cedar River Floodplain. The horizontal-to-vertical spectral ratio (HVSR) method is a... -
Federal
Electrical Resistivity Tomography (ERT) Surveys on Cedar River Floodplain, Cedar Rapids, Iowa, 2015
Department of the Interior —
Electrical resistivity tomography (ERT) surveys were collected in April 2015 to support hydrogeologic characterization of the alluvial aquifer and to assess the... -
Federal
MODFLOW-NWT model used to simulate groundwater levels in the Cedar River alluvial aquifer near Cedar Rapids, Iowa
Department of the Interior —
A three-dimensional MODFLOW-NWT model was constructed to better understand the effects of drought stress on the Cedar River alluvial aquifer, the principal source of... -
Federal
Airborne electromagnetic and magnetic survey data and inverted resistivity models, Cedar Rapids, Iowa, May 2017
Department of the Interior —
Airborne electromagnetic (AEM) and magnetic survey data were collected by CGG Canada Services Ltd. in collaboration with the US Geological Survey (USGS) for the City...
10 datasets found