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Federal
Estimates of lake nitrogen, phosphorus, and chlorophyll-a concentrations to characterize harmful algal bloom risk across the United States recent views
U.S. Environmental Protection Agency —
The objective of this research was to predict nutrient, chlorophyll-a, and associated harmful algal bloom, hypoxia, and eutrophication effects in US lakes. This... -
Federal
Evaluating water-quality trends in agricultural watersheds prioritized for management-practice implementation recent views
U.S. Environmental Protection Agency —
Water-quality and streamflow data are available at https://doi.org/10.5066/F7P55KJN. Calculated nutrient and sediment loads are available at... -
Federal
cmejias18/LaParguera_POC: R Code for the analysis of POC in La Parguera, Puerto Rico recent views
U.S. Environmental Protection Agency —
This dataset contains data collected by Carla Mejias Rivera as part of her dissertation research conducted in La Parguera, Puerto Rico. This dataset is associated... -
Federal
GLIMPSE-to-COBRA bridge spreadsheet v2024.08.23 recent views
U.S. Environmental Protection Agency —
Spreadsheet that translates EPA GLIMPSE/GCAM emission outputs into base and control scenario information for use in EPA desktop COBRA 5.0/5.1. Spreadsheet includes... -
Federal
Sensitivity of Air Quality to Vehicle Ammonia Emissions in the United States recent views
U.S. Environmental Protection Agency —
These data are described in the associated publication and consist of a 2017 model simulation of EPA’s Community Multiscale Air Quality (CMAQ) model version 5.3.2... -
Federal
LMOS 2017 Data Archive recent views
U.S. Environmental Protection Agency —
Publicly accessible data archive containing EPA and non-EPA generated data for the 2017 Lake Michigan Ozone Study. Portions of this dataset are inaccessible because:... -
Federal
Long-term assessment of floodplain reconnection as a stream restoration approach for managing nitrogen in ground and surface waters recent views
U.S. Environmental Protection Agency —
These data are surface water and groundwater chemistry collected at an urban stream in Baltimore MD, USA. This dataset is associated with the following publication:... -
Federal
Duke Forest Ammonia Flux Dataset_Forest_Grass_2017 recent views
U.S. Environmental Protection Agency —
This dataset includes measurements of ammonia air surface exchange in two adjacent ecosystems measured by open-path quantum cascade laser using the eddy covariance... -
Federal
EnviroAtlas Potential Wetland Areas CONUS 2024 recent views
U.S. Environmental Protection Agency —
Wetland habitats provide critical ecosystem services to the surrounding landscape, including nutrient and pollutant retention, flood mitigation, and carbon storage.... -
Federal
Freshwater Salinization Syndrome Alters Nitrogen Transport in Urban Watersheds recent views
U.S. Environmental Protection Agency —
A synthesis of data mined from USGS publicly available data. This dataset is not publicly accessible because: Data is owned by University of Maryland. It can be... -
Federal
NRSA chemistry in sites <1000m2 with deposition as largest source Lassiter paper recent views
U.S. Environmental Protection Agency —
Stream N and other water chemistry measurements originate from three national-scale, randomized, unequally weighted probability surveys of the U.S. EPA's National... -
Federal
Data for the Community Regional Atmospheric Chemistry Multiphase Mechanism (CRACMM) version 1.0 recent views
U.S. Environmental Protection Agency —
Supporting data for CRACMMv1, including the SPECIATE database mapped to CRACMM, input to the Speciation Tool, profile files output from Speciation Tool for input to... -
Federal
Performance data for enhanced Innovative/Alternative (I/A) septic systems for nitrogen removal installed in a field demonstration in Barnstable, Massachusetts (2021 - 2023) recent views
U.S. Environmental Protection Agency —
Performance data for enhanced I/A septic systems designed for nitrogen removal that were installed during a demonstration project in Barnstable, MA. Includes 1) field... -
Federal
Benign Zinc Oxide Betaine-Modified Biochar Nanocomposites for Phosphate Removal from Aqueous Water recent views
U.S. Environmental Protection Agency —
XRD and TEM images. This dataset is associated with the following publication: Nakarmi, A., S. Bourdo, L. Ruhl, S.R. Kanel, M. Nadagouda, P. Kumar Alla, I. Pavel, and... -
Federal
Data supporting Modeling the Oxygen Isotope Anomaly of Reactive Nitrogen in the Community Multiscale Air Quality (CMAQ) Model recent views
U.S. Environmental Protection Agency —
The data contains CMAQ fortran model code and shell scripts used for configuration in the work of Walters et al. Links are provided to base (unmodified) CMAQ release... -
Federal
NarrManuscriptData recent views
U.S. Environmental Protection Agency —
The dataset contains lab analyzed water chemistry and field collected data from hand held sondes. This dataset is associated with the following publication: Narr,... -
Federal
Anthropogenic salt cycle recent views
U.S. Environmental Protection Agency —
synthesis of global salt quantities and fluxes. This dataset is not publicly accessible because: maintained and owned by University of Maryland. It can be accessed... -
Federal
Longitudinal Stream Synoptic (LSS) Monitoring to Evaluate Water Quality in Restored Streams recent views
U.S. Environmental Protection Agency —
A suite of water quality data collected from urban streams in and around Baltimore MD and Washington DC. This dataset is not publicly accessible because: Data is... -
Federal
High-resolution coastal acidification monitoring data collected in seven estuaries along the US East Coast, US West Coast and Gulf of Mexico from 2015-04-23 to 2020-07-29 recent views
U.S. Environmental Protection Agency —
This dataset includes high-frequency (hourly to sub-hourly) coastal acidification time-series data collected during nine deployments in the aforementioned seven... -
Federal
WH Modeling Input and output data recent views
U.S. Environmental Protection Agency —
The data are comprised of input and output data from Machine Learning models that were developed to predict watershed health (WH) values in HUC-10 sub-watersheds...