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Average Annual Loads and Yields of Nitrate and Phosphorus from Illinois Watersheds (HUC8s) for Three Periods between 1997 and 2022 Average Annual Loads and Yields of Nitrate and Phosphorus from Illinois Watersheds (HUC8s) for Three Periods between 1997 and 2022
This data release supports "Diverging trends in nitrate and phosphorus loads and yields across Illinois watersheds, 1997–2022" (Kamrath and others, 2024) and the State of Illinois's Nutrient Loss Reduction Strategy (NLRS; Illinois Environmental Protection Agency [IEPA] and others, 2015). This data release contains estimates of incremental nitrate (NO3) and total phosphorus (TP) loads and...
Future Projections of the Western U.S. Montane Snowpack from 2016-2095 (ver. 1.1, Dec. 2025) Future Projections of the Western U.S. Montane Snowpack from 2016-2095 (ver. 1.1, Dec. 2025)
Data includes monthly-average projected changes to climate for a 23-member ensemble of CMIP6 SSP2-4.5 GCMs downscaled using NASA’s Land Information System. Average snow outputs are generated using these climate projections for 20-year periods between 2016 and 2095. More information on this data, and comparisons versus various community snow projections in mountainous regions can be found...
Modeling the Impacts of Sand Placement Strategies on Barrier Island Evolution in a Semi-enclosed Bay System: Model Input and Results Modeling the Impacts of Sand Placement Strategies on Barrier Island Evolution in a Semi-enclosed Bay System: Model Input and Results
The impacts of five proposed restoration alternatives at Little Dauphin Island, Alabama (AL) were assessed using process-based numerical models to simulate annual scale sediment transport and storm-driven morphological change. The five restoration alternatives include a no-action scenario representing a continuous island (R0), a tidal inlet channel realignment (R1), a sand spit (sand...
Coastal Multibeam Bathymetry and Backscatter Data Collected in August 2024 From Breton Island, Louisiana Coastal Multibeam Bathymetry and Backscatter Data Collected in August 2024 From Breton Island, Louisiana
As part of the restoration monitoring component of the Deepwater Horizon early restoration project, scientists from the U.S. Geological Survey St. Petersburg Coastal and Marine Science Center in St. Petersburg, Florida (USGS–SPCSMC), conducted a bathymetric survey near Breton Island, Louisiana (LA). During this study, multibeam bathymetry and acoustic backscatter data were collected...
Data on tiger salamander body mass, behavioral activity, and insecticide residues Data on tiger salamander body mass, behavioral activity, and insecticide residues
We evaluated potential effects of deltamethrin and fipronil on tiger salamander (Ambystoma mavortium) body mass, behavioral activity, and insecticide tissue residues. Insecticides were applied at realistic concentrations in mesocosms mimicking prairie dog burrows, which are used as refuge by salamanders under natural conditions. Treatments included (1) deltamethrin dust, (2) prairie dog...
Walrus Haulout Audio Recordings Near Point Lay 2024 Walrus Haulout Audio Recordings Near Point Lay 2024
This dataset consists of a complete set of audio recordings collected near a large walrus haulout at Point Lay, Alaska, during September of 2024. The recordings were collected using the Song Meter Mini 2 (Wildlife Acoustics, Inc., Maynard, MA) at two sites, one within 150 m of a large walrus herd resting on shore and one placed more than 4 km to the south of the herd directly under the...