TRPSCRNO2SM3D: Nitrogen Dioxide Analysis Uncertainty, 2005-2021

TROPESS Chemical Reanalysis NO2 Spread Monthly 3-dimensional Product provides a measure of uncertainty for nitrogen dioxide concentrations from the Tropospheric Chemical Reanalysis v2 (TCR-2). It is generated using JPL's MOMO-Chem data assimilation framework, which optimizes concentrations and emissions from multiple satellite sensors. The data are provided as monthly global grids at 27 pressure levels between 1000 and 60 hPa for the years 2005 through 2021.

Use Cases

• Quantifying uncertainty in NO2 reanalysis fields for model validation based on the ensemble spread metric.
• Analyzing long-term trends in tropospheric NO2 analysis confidence from 2005 to 2021.
• Assessing vertical profile uncertainty across 27 pressure levels for atmospheric chemistry studies.
• Evaluating the performance of the MOMO-Chem data assimilation framework for multi-species optimization.

Strengths

• Provides a 17-year continuous record from 2005 to 2021 for longitudinal analysis.
• Offers three-dimensional spatial coverage at 27 vertical pressure levels and a 1.125 x 1.125 degree horizontal grid.
• Derived from a sophisticated multi-model, multi-constituent chemical data assimilation system (MOMO-Chem).

Limitations

• Column names and specific variable details are not provided in the available metadata.
• The dataset's size and row count are unspecified across all sources.
• One source lists a 'last updated' date of 2026-04-09, which is a future date and may indicate a metadata error.

Provenance

Source

NASA GES DISC, produced by the principal investigator Kazuyuki Miyazaki.

Collection Method

Generated using JPL's MOMO-Chem data assimilation framework, assimilating data from multiple satellite sensors.

Time Range

2005-2021

Freshness

2026-04-09 21:25:44.082529

Geography

Global coverage