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Federal
Upper Colorado River Basin SPARROW model catchments and synthetic stream network - 2017
Department of the Interior —
This data collection consists of a synthetic stream network and associated catchments developed as the foundation for a Spatially Referenced Regressions on Watershed... -
Federal
Potentiometric-surface altitude contours for the shallow groundwater system in the Lower Gunnison River Basin, Colorado
Department of the Interior —
This dataset consists of contours showing the generalized altitude of the potentiometric surface for the shallow groundwater system in the Lower Gunnison River Basin... -
Federal
Base of aquifer contours for the Northern High Plains aquifer
Department of the Interior —
Several pre-existing datasets that characterize portions of the Northern High Plains aquifer base were merged together in order to define the entire base of the... -
Federal
Saturated-thickness contours for the shallow groundwater system in the Lower Gunnison River Basin, Colorado
Department of the Interior —
This dataset consists of contours showing the generalized saturated thickness of the shallow groundwater system in the Lower Gunnison River Basin in Delta, Montrose,... -
Federal
Depth-to-water raster for the shallow groundwater system in the Lower Gunnison River Basin, Colorado
Department of the Interior —
This dataset consists of raster-based depth-to-water values (in feet) for the shallow groundwater system in the Lower Gunnison River Basin in Delta, Montrose, Ouray,... -
Federal
Niobrara River Bathymetric and Topographic Surveys to Assess Topobathymetric Lidar Accuracy, 2020
Department of the Interior —
The Niobrara River is a National Scenic River in northern Nebraska. The Niobrara River is characterized by a sand channel with areas of gravel and bedrock.... -
Federal
Probability of Unmixed Young Groundwater (defined using chlorofluorocarbon-11 concentrations and tritium activities) in the Eagle River Watershed Valley-Fill Aquifer, Eagle County, North-Central Colorado, 2006-2007
Department of the Interior —
This raster data set delineates the predicted probability of unmixed young groundwater (defined using chlorofluorocarbon-11 concentrations and tritium activities) in... -
Federal
MODFLOW models for the simulation of groundwater-flow dynamics in the U.S. Northern High Plains driven by multi-model estimates of surficial aquifer recharge.
Department of the Interior —
There is a growing interest in incorporating higher-resolution groundwater modeling within the framework of large-scale land surface models (LSMs), including new... -
Federal
Monitoring Data for Willow Creek Lake, Nebraska, 2012–14—Nutrient Loading
Department of the Interior —
A variety of nutrient sources transported by multiple flow paths contribute to the nutrient load entering Willow Creek Lake. In addition to Willow Creek, there are... -
Federal
Monitoring Data for Willow Creek Lake, Nebraska, 2012–14—Algae Details
Department of the Interior —
Genus-level taxonomic data of the phytoplankton community were collected from Willow Creek Lake near Pierce, Nebraska in 2013–14. Algal cell concentration and biomass... -
Federal
Regolith-thickness contours for the shallow groundwater system in the Lower Gunnison River Basin, Colorado
Department of the Interior —
This dataset consists of isopach contours showing the generalized thickness of regolith sediments (alluvium, colluvium, and weathered bedrock) overlying well-... -
Federal
Equal-area polygons used in design and installation of a well network for long-term monitoring of agricultural chemicals in the High Plains Aquifer, Colorado
Department of the Interior —
These data are in support of report DS 456 (Arnold and others, 2009). 30 equal-area polygons generated using techniques described in Scott (1990). Polygons include... -
Federal
Velocity and Bathymetric Data near Outfall Structures for the City of Omaha Water Resource Recovery Facilities on the Missouri River, 2020
Department of the Interior —
These data sets were derived from surveys at the Missouri River and Papillion Creek Water Resource Recovery Facility outfalls on the Missouri River. Each site had...