Search Data.gov

Found 317 dataset(s) matching "march primary".

NAAMES C-130 Aerosol In Situ , Version 1
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-11 | Harvested: October 18, 2025 at 06:13 PM
NAAMES_Aerosol_AircraftInSitu_Data are in situ aerosol measurements collected onboard the C-130 aircraft during the North Atlantic Aerosols and Marine Ecosystems Study (NAAMES). These measurements...
- bin
- bin
- pdf
- bin
- bin
- bin
- +14 more
NARSTO EPA Supersite (SS) Fresno, Particulate Matter (PM) 2.5 Organic and Elemental Carbon Data
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-11 | Harvested: September 14, 2025 at 01:57 AM
NARSTO_EPA_SS_FRESNO_PM25_OC_EC is the North American Research Strategy for Tropospheric Ozone (NARSTO) Environmental Protection Agency (EPA) Supersite (SS) Fresno, Particulate Matter (PM) 2.5...
- bin
- bin
- pdf
- pdf
- pdf
- pdf
- +6 more
Purchase Order Data
- Organization: State of California
- Updated: 2019-10-23T17:49:54.864004 | Harvested: July 09, 2025 at 01:47 PM
<p>The State Contract and Procurement Registration System (SCPRS) was established in 2003, as a centralized database of information on State contracts and purchases over $5000. eSCPRS represents...
- csv
- docx
- pdf
NARSTO EPA Supersite (SS) Los Angeles Harvard/EPA Annular Denuder System (HEADS) Data
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-11 | Harvested: September 14, 2025 at 01:56 AM
NARSTO_EPA_SS_LOS_ANGELES_HEADS_PART_IONS_MASS is the North American Research Strategy for Tropospheric Ozone (NARSTO) Environmental Protection Agency (EPA) Supersite (SS) Los Angeles Harvard/EPA...
- bin
- bin
- pdf
- pdf
- pdf
- pdf
- +6 more
INTEX-B Duchess Aircraft data
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-11 | Harvested: September 14, 2025 at 03:15 AM
INTEX-NA is a two phase experiment that aims to understand the transport and transformation of gases and aerosols on transcontinental/intercontinental scales and assess their impact on air quality...
- bin
- bin
- pdf
- bin
- pdf
- bin
- +7 more
The National Survey on Child and Adolescent Well-Being II (NSCAW II) Restricted Release, Waves 1-3
- Organization: U.S. Department of Health & Human Services
- Updated: 2025-09-05 | Harvested: September 06, 2025 at 02:15 AM
The second National Survey of Child and Adolescent Well-Being (NSCAW II) is a longitudinal study intended to answer a range of fundamental questions about the well-being, functioning, service...
- html
US COVID-19 shutdown shows importance of background NO2 in inferring nitrogen oxide (NOx) emissions from satellite NO2 observations (N/A limited co-author role)
- Organization: U.S. Environmental Protection Agency
- Updated: 2020-12-01 | Harvested: June 27, 2025 at 10:01 PM
Data used in this study are: (1) 24 hour averaged surface NO2 data for March-August for 2019 & 2020; (2) a total of about 328 AQS sites that have no data gaps; (3) a trend analysis for a subset of...
INTEX-B C-130 Aircraft data
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-11 | Harvested: September 14, 2025 at 03:16 AM
INTEX-NA is a two phase experiment that aims to understand the transport and transformation of gases and aerosols on transcontinental/intercontinental scales and assess their impact on air quality...
- bin
- bin
- pdf
- bin
- bin
- html
- +6 more
INTEX-B Ozonesonde data
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-11 | Harvested: September 14, 2025 at 03:16 AM
INTEX-NA is a two phase experiment that aims to understand the transport and transformation of gases and aerosols on transcontinental/intercontinental scales and assess their impact on air quality...
- bin
- bin
- pdf
- bin
- bin
- html
- +5 more
INTEX-B DC-8 Aircraft data
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-11 | Harvested: October 23, 2025 at 08:58 PM
INTEX-NA is a two phase experiment that aims to understand the transport and transformation of gases and aerosols on transcontinental/intercontinental scales and assess their impact on air quality...
- bin
- bin
- pdf
- bin
- bin
- html
- +6 more
INTEXB J31 Aircraft Data
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-11 | Harvested: September 14, 2025 at 03:15 AM
INTEX-NA is a two phase experiment that aims to understand the transport and transformation of gases and aerosols on transcontinental/intercontinental scales and assess their impact on air quality...
- bin
- bin
- pdf
- bin
- pdf
- bin
- +7 more
INTEX-B Model data
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-11 | Harvested: September 14, 2025 at 03:15 AM
INTEX-NA is a two phase experiment that aims to understand the transport and transformation of gases and aerosols on transcontinental/intercontinental scales and assess their impact on air quality...
- bin
- bin
- pdf
- bin
- bin
- html
- +6 more
INTEX-B Ground data
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-11 | Harvested: October 29, 2025 at 09:09 PM
INTEX-NA is a two phase experiment that aims to understand the transport and transformation of gases and aerosols on transcontinental/intercontinental scales and assess their impact on air quality...
- bin
- bin
- pdf
- bin
- bin
- html
- +6 more
INTEX-B Satellite data
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-11 | Harvested: October 27, 2025 at 09:04 PM
INTEX-NA is a two phase experiment that aims to understand the transport and transformation of gases and aerosols on transcontinental/intercontinental scales and assess their impact on air quality...
- bin
- bin
- pdf
- bin
- bin
- html
- +6 more
NPP Grassland: Calabozo, Venezuela, 1969-1987, R1
- Organization: National Aeronautics and Space Administration
- Updated: 2025-09-11 | Harvested: October 31, 2025 at 09:11 PM
This data set contains four ASCII text files for a 260-hectare humid Trachypogon savanna at the Estacion Biologica de Los Llanos, Calabozo, Venezuela (8.93 N, -67.42 W, Elevation 98 m). Two data...
- png
- zip
- pdf
- html
- bin
Water stargrass biomass, stream metabolism estimates, and nutrient data quality control data for the lower Yakima River: June 2018 through September 2020 (ver. 2.0, August 2025)
- Organization: Department of the Interior
- Updated: 20250818 | Harvested: August 25, 2025 at 07:48 PM
This dataset provides information collected at three stream monitoring sites on the lower Yakima River in Washington State from June 2018 through September 2020 by the U.S. Geological Survey....
- xml
- xml
Current meter components and other data from FIXED PLATFORMS from Auke Bay from 1989-03-31 to 1989-07-01 (NCEI Accession 8900239)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-02-14T00:00:00.000+00:00 | Harvested: October 04, 2025 at 08:36 AM
Current meter components data were collected from FIXED PLATFORMS in the Auke Bay from 31 March 1989 to 01 July 1989. Data were collected by the University of Alaska - Fairbanks; Institute of...
- html
- html
- html
- html
- html
- html
- +1 more