Found 36 datasets matching filters.
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This is the metadata associated with Pavlovic et al. (2023) entitled "Empirical nitrogen and sulfur critical loads of U.S. tree species and their uncertainties with machine learning"...
Search relevance: 1.00 | Views last month: 7 | Catalog Last Checked: April 21, 2026 at 08:04 PM -
All 50 states and the District of Columbia submit annual reports of their CMAQ project obligations in March of every year. The FHWA uses these yearly submissions to maintain an active database...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: March 19, 2026 at 08:54 PM -
To better understand the current air quality status in the District, the following summary highlights key pollutants and their compliance with the National Ambient Air Quality Standards (NAAQS)....
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: May 05, 2026 at 10:38 PM -
This is the metadata for Coughlin et al. (2023) which estimates effects from atmospheric deposition of nitrogen (N) and sulfur (S) on tree species across the CONUS. The dataset is too large for...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: April 21, 2026 at 08:03 PM -
This dataset includes CMAQ model output, compiled publicly available observations, and model source code used in "Predicted impacts of heterogeneous chemical pathways on particulate sulfur over...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: April 21, 2026 at 08:06 PM -
A list by county of the current attainment status of the National Ambient Air Quality Standards (NAAQS).
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: April 04, 2026 at 08:55 PM -
This is a dataset of the abundance of herbaceous species across ~15,000 plots across the US, along with related site date (e.g. climate, soil pH, etc.). This dataset is associated with the...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: April 21, 2026 at 07:59 PM -
All 50 states and the District of Columbia submit annual reports of their CMAQ project obligations in March of every year. The FHWA uses these yearly submissions to maintain an active database...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: March 19, 2026 at 08:55 PM -
This data includes gridded estimates of: (1) decadally averaged total N and S deposition for the conterminous US from 1800-2025, (2) critical loads from the National Critical Loads Database, and...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: April 21, 2026 at 07:57 PM -
This dataset is the data and metadata associated with the application of the US-PROPS model to the Great Smoky Mountains National Park (GSMNP). It is a geodatabase of species and vegetation...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: April 21, 2026 at 08:02 PM -
Maryland State Implementation Plans
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: August 02, 2025 at 05:05 AM -
The Nonattainment Area - Particulate Matter- 10 (1987) dataset was updated on November 30, 2025 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of Transportation...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: December 17, 2025 at 08:04 PM -
This dataset supports the publication Whitfield et al. (2018) (https://doi.org/10.1007/s11270-018-3691-7). The dataset is a compilation of the estimated base cation weathering rates (BCw) for 44...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: April 21, 2026 at 08:01 PM -
The Nonattainment Area - Carbon Monoxide (CO-1971) dataset was updated on November 30, 2025 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of Transportation...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: December 17, 2025 at 08:04 PM -
Data include public CMAQv5.3-5.4 code, the exact CMAQ code used in the accompanying manuscript, chemistry box model (F0AM) inputs, and CMAQ predictions of ozone at AQS sites. Ozone units are ppb...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: April 21, 2026 at 08:03 PM -
The Nonattainment Area - Lead (Pb-2008) dataset was updated on November 30, 2025 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of Transportation (USDOT)/Bureau of...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: December 17, 2025 at 08:04 PM -
contains hourly ozone and meteorological data. This dataset is associated with the following publication: Schliep, E., A. Gelfand, and D. Holland. Alternating Gaussian process modulated renewal...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: April 21, 2026 at 07:57 PM -
The Nonattainment Area - Sulfur Dioxide (SO2-2010) dataset was updated on November 30, 2025 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of Transportation...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: December 17, 2025 at 08:04 PM -
This is the dataset used in Chuman et al., which is an assessment of the effect of nitrogen deposition on plant communities in the U.S. and Czech Republic, and how bedrock modifies that response....
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: April 21, 2026 at 08:07 PM -
Data provided in this repository are compiled Forest Inventory and Analysis program data that are reflective of the data used in the Coughlin et al. (2024) publication. These data include compiled...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: April 21, 2026 at 08:05 PM
