Data

This data release contains field measurements and discrete surface water sample results for parameters related to the assessment of harmful algal blooms. Field measurements include fluorescent chlorophyll, phycocyanin fluorescence, and photosynthetically active radiation (PAR). Discrete water samples were analyzed for extracted chlorophyll-a and pheophytin-a concentrations, total...

We conducted a multi-year study (2016-2019) to identify elements of wetland habitat management that could potentially benefit breeding ducks. Specifically, we examined the influence of habitat variables in explaining habitat selection of managed wetlands near upland nesting sites by radio-tagged Mallard (Anas platyrhynchos) and Gadwall (Mareca strepera) ducklings in a brackish marsh...

Low-level stratiform clouds modulate California's coastal climate during the warm season. Previous work describing the seasonal and daily variability of coastal low cloudiness (CLC) suggests that in July, August, and September southern California's CLC is under the influence of an additional driver, which has less impact in northern California. In this work, we introduce the link in...

This U.S. Geological Survey (USGS) data release contains Darcy flux and mass flux of per- and polyfluoroalkyl substances (PFAS) data measured using passive flux meters (PFMs) in monitoring wells at the Yakima Training Center (YTC) in Yakima, Washington. The measurements were conducted by the USGS in cooperation with the U.S. Army Environmental Command. This data release contains PFM data...

Microplastics (MPs) are an environmental concern. They can interact with other contaminants and pose new threats to organisms. We assessed the effect MPs on silver (Ag) bioaccumulation in the filter-feeding zooplankton Daphnia magna exposed to Ag nanoparticles at environmentally relevant concentrations.

We introduce a multi-species analytical approach to predict the potential effectiveness of corridors using the 'spatial absorbing Markov chain' (SAMC) framework. We applied this framework to the Florida Wildlife Corridor and contrasted four mammal species with varying dispersal capacity: fox squirrel (Sciurus niger), Florida black bear (Ursus americanus floridanus), white-tailed deer...

Anthropogenic background concentrations of per- and polyfluoroalkyl substances (PFAS) in shallow soils (zero to six inches in depth) across Maine, New Hampshire, and Vermont are compiled in this data release, together with a summary table of soil PFAS method detection limits. New Hampshire samples were collected in 2021 (Santangelo and others, 2022), Vermont samples were collected in...

This data release and model archive contains geochemical and microbial reaction modeling input files, selected output files, and an accompanying data dictionary. The files were used to simulate hydrogen consumption during underground hydrogen storage (UHS). Batch-reaction simulations were developed using the React program in Geochemist’s Workbench (GWB) and are based on estimated...

This data release contains turbidity and suspended-sediment concentration data used to develop regression models of suspended-sediment concentration at sites in the Esopus Creek watershed in New York. Also included are model summaries describing data-collection methods, application of cross-section coefficients, model development, summary statistics, and related information.

Rainfall data from 23 weather stations in Florida, sourced from the South Florida Water Management District (SFWMD), Northwest Florida Water Management District (NWFWMD), Global Historical Climatology Network-Hourly (GHCNh), and Remote Automatic Weather Stations (RAWS), were used to examine temporal trends over the period 1990–2022 of events with durations of 1, 2, 3, 6, 12, and 24 hours...

These datasets consist of files used in simulation modeling and the case study, as well as original and formatted model output files, described in "Evaluating alternative methods for modeling trap efficiencies of outmigrating juvenile salmonids" (Walden and Som 2026). Files are named and formatted to be used directly by or as created by the R scripts and code in the accompanying U.S...

Previous efforts conducted during the breeding season of 2021 affixed two types of light-weight transmitters to adult and pre-fledgling juvenile Common Terns with leg-loop harnesses made of elastic cord. Subsequent observations of marked birds detected minimal differences in the behavior and nesting success of marked adults, nor were any notable impacts on the growth rate or behavior of...