ATom CAM-chem Model Outputs Along Global Flight Tracks

Global atmospheric chemistry model outputs from the CAM-chem component of CESM2, generated along ATom mission flight tracks from 2016 to 2018. The model used the MOZART-TS1 chemical mechanism and was nudged to MERRA2 reanalysis meteorology. This dataset is hosted by ORNL_CLOUD and is available on multiple platforms.

Use Cases

• Analyzing simulated concentrations of carbon and hydrocarbon compounds along specific flight paths.
• Studying the distribution and chemistry of atmospheric halocarbons and halogens in the global atmosphere.
• Investigating nitrogen compound cycles and their model representation across different regions and altitudes.
• Comparing CAM-chem model outputs nudged to MERRA2 meteorology with in-situ ATom mission observations.

Strengths

• Model outputs are specifically aligned with the ATom mission's global flight tracks, enabling direct model-observation comparison.
• Uses a detailed chemical mechanism (MOZART-TS1) within the established CESM2 framework.
• Covers a multi-year time range from 2016 to 2018 for longitudinal analysis.

Limitations

• Critical metadata is missing: specific column names, row counts, and dataset size are unknown across all sources.
• Conflicting last updated dates exist: one source reports 2026-03-13, while another reports 2018-05-21, creating uncertainty about versioning.

Provenance

Source

ORNL_CLOUD

Collection Method

Outputs from the CAM-chem atmospheric chemistry model, a component of CESM2, nudged to MERRA2 reanalysis.

Time Range

2016-2018

Freshness

2026-03-13 08:38:06.283244

Geography

Global, following ATom mission flight tracks.