Search Data.gov

• Organization: National Aeronautics and Space Administration
• Updated: 2025-08-06 | Harvested: August 26, 2025 at 06:20 AM

Nitrogen dioxide Level 2 files provide trace gas information at TEMPO’s native spatial resolution, ~10 km^2 at the center of the Field of Regard (FOR), for individual granules. Each granule covers...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-09-11 | Harvested: September 14, 2025 at 01:56 AM

The NARSTO_EPA_SS_HOUSTON_NH3_HNO3_is the North American Research Strategy for Tropospheric Ozone (NARSTO) Environmental Protection Agency (EPA) Supersite (SS) Houston, Ammonia and Nitric Acid...

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• Organization: Department of the Interior
• Updated: 20210211 | Harvested: July 16, 2025 at 02:04 PM

Atmospheric deposition of reactive nitrogen (Nr) due to human activities can have measurable effects on ecosystem processing and export of nutrients, groundwater and surface-water quality. Rates...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-09-11 | Harvested: September 14, 2025 at 02:59 AM

Selective logging is an extensive land use in the Brazilian Amazon region. We studied the soil-atmosphere fluxes of nitrous oxide (N2O), nitric oxide (NO), methane (CH4), and carbon dioxide (CO2)...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-09-11 | Harvested: September 29, 2025 at 02:12 AM

Trace gas fluxes of carbon dioxide, methane, nitrous oxide, and nitric oxide (CO2, CH4, N2O, and NO) from surface soil were measured manually in an undisturbed forest at the Tapajos National...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-09-10 | Harvested: October 30, 2025 at 09:22 PM

This dataset provides a simulated data stream representative of an Atmospheric Tomography mission (ATom) data collection flight and also modeled reactivities for ozone (O3) production and loss and...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-09-11 | Harvested: September 29, 2025 at 02:12 AM

This data set reports the results of soil nitric oxide (NO) flux, soil moisture, and soil nitrate (NO3) and ammonium (NH4) concentration measurements on Cerrado soils receiving nitrogen...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-09-11 | Harvested: September 14, 2025 at 01:59 AM

This data set provides environmental data that have been standardized and aggregated for use as input to carbon cycle models at global (0.5-degree resolution) and regional (North America at...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-09-10 | Harvested: September 14, 2025 at 05:08 AM

ASIA-AQ_jValue_AircraftInSitu_DC8_Data is the in-situ photolysis rates collected onboard the DC-8 aircraft during the Airborne and Satellite Investigation of Asian Air Quality (ASIA-AQ) campaign....

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-09-11 | Harvested: September 14, 2025 at 01:11 AM

SARP_2023_East_Data is the ground site data and data collected onboard the Dynamic Aviation B200 aircraft during the 2023 deployment of the Student Airborne Research Program - East (SARP-East)...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-09-11 | Harvested: October 23, 2025 at 09:04 PM

DISCOVERAQ_Texas_Ground_Galveston_Data contains data collected at the Galveston ground site during the Texas (Houston) deployment of NASA's DISCOVER-AQ field study. This data product contains data...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-09-11 | Harvested: September 14, 2025 at 01:12 AM

SARP_2018_Data is the data collected onboard the NASA DC-8 aircraft during the 2018 deployment of the Student Airborne Research Program (SARP) mission. Data collection for this product is...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-09-11 | Harvested: September 14, 2025 at 03:01 AM

Changes in land-use and climate are likely to alter moisture and substrate availability in tropical forest soils, but quantitative assessment of the role of resource constraints as regulators of...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-09-11 | Harvested: September 14, 2025 at 03:01 AM

Fires set for slash-and-burn agriculture contribute to the current unsustainable accumulation of atmospheric greenhouse gases, and they also deplete the soil of essential nutrients, which...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-09-11 | Harvested: October 13, 2025 at 06:08 PM

Moist tropical forests in Amazonia and elsewhere are subjected to increasingly severe drought episodes through the El Nino-Southern Oscillation (ENSO) and possibly through deforestation-driven...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-09-11 | Harvested: October 16, 2025 at 06:13 PM

Understanding secondary successional processes in Amazonian terrestrial ecosystems is becoming increasingly important as continued deforestation expands the area that has become secondary forest,...

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• Organization: Department of Agriculture
• Updated: 2022-08-25 | Harvested: June 24, 2025 at 08:14 PM

The average atmospheric deposition of nitrogen from 2015-2017 to 2016-2018 within a landscape analysis unit.

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• Organization: Department of the Interior
• Updated: 20220418 | Harvested: July 16, 2025 at 11:02 AM

These data were compiled to understand the responses of dryland ecosystem properties to long-term simulated atmospheric nitrogen deposition. Objective(s) of our study were to uncover any changes...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2022-07-14 | Harvested: June 27, 2025 at 10:24 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...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-09-10 | Harvested: September 14, 2025 at 05:04 AM

This dataset provides measurements of two important components of photochemical smog - peroxyacetyl nitrate (PAN) and peroxyl propionyl nitrate (PPN)- measured by the Georgia Tech Chemical...

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