An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https://
means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Search Data.gov
Found 1298 dataset(s) matching "atmospheric composition".
Updated: 2025-09-10
|Harvested: October 18, 2025 at 06:30 PM
ARCTAS_MetNav_AircraftInSitu_DC8_Data is the in-situ meteorological and navigational data for the DC-8 aircraft collected during the Arctic Research of the Composition of the Troposphere from...
Updated: 2025-09-10
|Harvested: September 14, 2025 at 05:11 AM
ARCTAS_Merge_DC8_Aircraft_Data is the pre-generated merge files created from a variety of in-situ instrumentation collecting measurements onboard the DC-8 aircraft during the Arctic Research of...
Updated: 2025-09-10
|Harvested: September 14, 2025 at 05:11 AM
ARCTAS_MetNav_AircraftInSitu_P3B_Data is the in-situ meteorological and navigational data for the P-3B aircraft collected during the Arctic Research of the Composition of the Troposphere from...
Updated: 2025-09-10
|Harvested: September 14, 2025 at 05:10 AM
ARCTAS_TraceGas_AircraftInSitu_P3B_Data is the in-situ trace gas data for the P-3B aircraft collected during the Arctic Research of the Composition of the Troposphere from Aircraft & Satellites...
Updated: 2025-09-10
|Harvested: September 14, 2025 at 05:11 AM
ARCTAS_Trajectory_Data is the Kinematic Backward and Forward Trajectories derived for the Arctic Research of the Composition of the Troposphere from Aircraft & Satellites sub-orbital campaign. The...
Updated: 2025-09-10
|Harvested: November 01, 2025 at 09:26 PM
ARCTAS_AircraftRemoteSensing_BE200_HSRL_Data contains data collected by the High Spectral Resolution Lidar (HSRL) onboard the BE-200 aircraft during the Arctic Research of the Composition of the...
Updated: 2025-09-10
|Harvested: November 04, 2025 at 09:52 PM
ARCTAS_Satellite_Data is the supplementary satellite data for the Arctic Research of the Composition of the Troposphere from Aircraft & Satellites sub-orbital campaign. Data from TES, MOPITT and...
Updated: 2025-09-10
|Harvested: October 30, 2025 at 09:23 PM
ARCTAS_Ozonesondes_Data contains data collected via ozonesonde launches during the Arctic Research of the Composition of the Troposphere from Aircraft & Satellites (ARCTAS) mission. Data...
Updated: 2025-09-10
|Harvested: October 11, 2025 at 06:21 PM
ARCTAS_AircraftInSitu_Radiation_P3B_Data is the in-situ radiation data collected onboard the P-3B aircraft as part of the Arctic Research of the Composition of the Troposphere from Aircraft &...
Updated: 2025-09-10
|Harvested: September 14, 2025 at 05:11 AM
ARCTAS_Model_Data contains modeled chemical and aerosol data along the flight tracks of the DC-8 and P-3B aircraft during the Arctic Research of the Composition of the Troposphere from Aircraft &...
Updated: 2025-09-10
|Harvested: October 17, 2025 at 06:32 PM
ARCTAS_TraceGas_AircraftInSitu_DC8_Data is the in-situ trace gas data collected by the DC-8 aircraft during the Arctic Research of the Composition of the Troposphere from Aircraft & Satellites...
Updated: 2025-09-10
|Harvested: September 14, 2025 at 05:11 AM
ARCTAS_JValue_AircraftInSitu_DC8_Data is the in-situ photolysis rate data collected by the DC-8 aircraft during the Arctic Research of the Composition of the Troposphere from Aircraft & Satellites...
Updated: 2025-09-10
|Harvested: September 14, 2025 at 05:10 AM
ARCTAS_AircraftRemoteSensing_P3B_CAR_Data contains remotely sensed data collected via the Cloud Absorption Radiometer (CAR) onboard the P-3B aircraft during the Arctic Research of the Composition...
Updated: 2025-09-10
|Harvested: October 13, 2025 at 06:19 PM
ARCTAS_AircraftRemoteSensing_P3B_AATS14_Data contains remotely sensed data collected via the Ames 14-Channel Airborne Tracking Sunphotometer (AATS14) onboard the P-3B aircraft during the Arctic...
Updated: 2025-09-10
|Harvested: October 19, 2025 at 06:33 PM
ARCTAS_AerosolTraceGas_AircraftInSitu_DC8_Data is the in-situ aerosol trace gas data collected by the DC-8 aircraft during the Arctic Research of the Composition of the Troposphere from Aircraft &...
Updated: 2025-09-10
|Harvested: October 29, 2025 at 09:18 PM
ARCTAS_Merge_P3B-Aircraft_Data contains pre-generated merge data files for the P-3B aircraft during the Arctic Research of the Composition of the Troposphere from Aircraft & Satellites (ARCTAS)...
Updated: 2025-09-10
|Harvested: November 04, 2025 at 09:52 PM
ARCTAS_Aerosol_AircraftInSitu_P3B_Data is the in-situ aerosol data collected by the P-3B aircraft during the Arctic Research of the Composition of the Troposphere from Aircraft & Satellites...
Updated: 2025-09-10
|Harvested: September 15, 2025 at 12:30 AM
This dataset contains single-particle aerosol composition as measured by the Particle Analysis by Laser Mass Spectrometry (PALMS) instrument during the four ATom campaigns from 2016-2018. Single...
Updated: 20200929
|Harvested: July 18, 2025 at 05:20 AM
Twenty-five ore and gangue mineral separates from the Miocene-age Goldfield and Tonopah epithermal Au-Ag deposits in southwestern Nevada were analyzed to determine the helium, neon, and argon (He,...