Found 21 datasets matching filters. (clear all filters)
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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 with the river and to assess...
Search relevance: 1.00 | Views last month: 15 | Catalog Last Checked: May 05, 2026 at 08:20 PM -
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 used to characterize the...
Search relevance: 1.00 | Views last month: 14 | Catalog Last Checked: May 05, 2026 at 08:36 PM -
Electrical resistivity tomography (ERT) surveys were collected in April 2015 to support hydrogeologic characterization of the alluvial aquifer and to assess the suitability of larger-scale...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: May 05, 2026 at 07:31 PM -
This data release presents a peak-flow frequency analysis by the U.S. Geological Survey that was based on on methods described by Eash and others (2013) for streamgages 05458300 Cedar River at...
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We are using genetic pedigree information to estimate the reproductive success of hatchery and wild fall-run Chinook salmon spawning in the Cedar River, Washington. Genotypes and associated...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: May 14, 2026 at 07:22 AM -
The Landsburg Fish Ladder was constructed in 2003 at the Landsburg Diversion Dam at River Mile 23 on the Cedar River. Data includes annual (Return Year) salmon counts by species as well as by sex...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: September 22, 2025 at 03:11 AM -
This collection of conservation areas consists of the floodplain of the combined streams of the Iowa River and the Cedar River. The study area begins just southeast of Wapello, IA, and continues...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: May 05, 2026 at 09:32 PM -
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. Borehole geophysical logs were...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: May 05, 2026 at 09:18 PM -
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 were performed in proximity to...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: May 05, 2026 at 08:39 PM -
Surface and groundwater samples were collected, processed, and analyzed for pesticides, nutrients, organic carbon, and inorganics as part of a cooperative study with the City of Cedar Rapids,...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: May 05, 2026 at 08:49 PM -
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 subbottom profiler was used to...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: May 05, 2026 at 07:59 PM -
Baseflow is the portion of streamflow derived from groundwater flow. It is an important component of the groundwater budget, and can be estimated using known total streamflow at given points...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: May 05, 2026 at 09:48 PM -
Baseflow is the portion of streamflow derived from groundwater flow. It is an important component of the groundwater budget, and can be estimated using known total streamflow at given points...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: May 05, 2026 at 10:11 PM -
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 passive seismic technique that uses...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: May 05, 2026 at 07:53 PM -
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 of Cedar Rapids in a...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: May 05, 2026 at 08:26 PM -
Cedar River watershed area 5ft contours derived from Lidar captured in 2021. Contour lines display at 5ft, 25ft, 50ft, 100ft, 200ft and 400ft intervals dependent on scale. Lines have been smoothed...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: July 29, 2025 at 01:20 PM -
Since 2008 adult Cedar River sockeye have been collected at a broodstock collection weir that is temporarily installed each fall in the lower Cedar River (Renton, WA). Adult sockeye collected at...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: July 29, 2025 at 01:29 PM -
In May 2025, Horizontal-to-Vertical Spectral Ratio (HVSR) passive seismic surveys were done by the U.S. Geological Survey (USGS) at 28 locations in three field sites on the Cedar River floodplain...
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Since 1993, Washington Department of Fish and Wildlife (WDFW) has collected daily salmon outmigrant information from the Cedar River and estimates the annual natural-origin (sockeye) and wild...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: July 29, 2025 at 01:28 PM -
These data represent a Global Positioning System (GPS) and Acoustic Doppler Current Profiler (ADCP) survey generated August 13, 2025, using a Trimble R10 2 Real-Time Kinematics (RTK), Global...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: May 05, 2026 at 10:08 PM
