Found 20 datasets matching filters. (clear all filters)
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The freshwater mussel Quadrula quadrula of eastern North America occupies several isolated river drainages along the coastal Gulf of Mexico and northward in the Mississippi Basin and Great Lakes....
Search relevance: 1.00 | Views last month: 14 | Catalog Last Checked: May 05, 2026 at 07:54 PM -
Hydroacoustic (sonar) data were collected for the Mississippi, St. Croix, and Minnesota Rivers for the development of high-resolution bathymetry and sidescan imagery. Combining these data in a GIS...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: May 05, 2026 at 10:04 PM -
This dataset is a digital image mosaic of sidescan for six sites where known rock structures exist in the St. Croix River. Sidescan sonar emits conical or fan-shaped beam down across a wide angle...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: May 05, 2026 at 07:30 PM -
A series of linear regression models were developed and calibrated for the Minnesota and Mississippi Rivers. The linear regression models were calibrated using acoustic and suspended-sediment...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: May 05, 2026 at 09:46 PM -
This dataset is a digital surface model of the slope for six sites where known rock structures exist in the St. Croix River. Slope is the gradient, or rate of maximum change in elevation, and is...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: May 05, 2026 at 08:34 PM -
This dataset is a digital surface of depth-averaged flow velocities for six sites where known rock structures exist in the St. Croix River. Acoustic Doppler Current Profilers (ADCP) are used to...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: May 05, 2026 at 08:20 PM -
Hydroacoustic (sonar) data were collected for the Mississippi, St. Croix, and Minnesota Rivers for the development of high-resolution bathymetry and sidescan imagery. Small areas containing...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: May 05, 2026 at 09:30 PM -
From June 19–22, 2018, bathymetric, water velocity, and water temperature data were collected on the St. Croix River between St. Croix Falls, Wisconsin, and Stillwater, Minnesota. These data were...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: May 05, 2026 at 09:21 PM -
This dataset is a digital elevation model (DEM) of the bathymetry for six sites where known rock structures exist in the St. Croix River. The DEMs have a 10-cm resolution (Boom site is 0.5-m) to...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: May 05, 2026 at 08:48 PM -
These data were automated to provide an accurate high-resolution historical shoreline of St. Croix River, ME suitable as a geographic information system (GIS) data layer. These data are derived...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 16, 2026 at 11:43 PM -
Hydroacoustic (sonar) data were collected for the Mississippi, St. Croix, and Minnesota Rivers for the development of high-resolution bathymetry and sidescan imagery. Small areas containing...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 09:05 PM -
These data are digital hillshades of the bathymetry for five (of six) sites where known rock structures exist in the St. Croix River. Hillshades are shaded relief surfaces created by the...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 08:18 PM -
Hydroacoustic (sonar) data were collected for the Mississippi, St. Croix, and Minnesota Rivers for the development of high-resolution bathymetry and sidescan imagery. Combining these data in a GIS...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 08:15 PM -
Hydroacoustic (sonar) data were collected for the Mississippi, St. Croix, and Minnesota Rivers for the development of high-resolution bathymetry and sidescan imagery. Small areas containing...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 05, 2026 at 09:01 PM -
Hydroacoustic (sonar) data were collected for the Mississippi, St. Croix, and Minnesota Rivers for the development of high-resolution bathymetry and sidescan imagery. Small areas containing...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 05, 2026 at 09:36 PM -
From May 3–10, 2022, bathymetric and water velocity data were collected on the St. Croix River between Riverside and St. Croix Falls, Wisconsin. Bathymetry and water velocity data were collected...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 05, 2026 at 08:28 PM -
This dataset is a digital surface model of the roughness for five (of six) sites where known rock structures exist in the St. Croix River. Roughness is the degree of irregularity of the surface...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 05, 2026 at 10:12 PM -
Benthic macroinvertebrates have long been used as an indicator of water quality impairment in streams and rivers. Indices of Biotic Integrity (IBI) calculated from macroinvertebrate diversity and...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: January 25, 2026 at 05:31 PM -
This study aimed to determine movement patterns of Mooneye in the St. Croix National Scenic Riverway (SACN) to better understand their range, seasonal behavior, spawning site fidelity, and...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: May 05, 2026 at 09:35 PM -
This product consists of one tabular dataset and associated metadata of water quality information related to rivers, streams, and reservoirs in the Upper Mississippi River watershed between 2012...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: May 05, 2026 at 10:17 PM
