TROPESS Chemical Reanalysis O3 Spread Monthly 3-dimensional Product: Ozone Uncertainty

TROPESS Chemical Reanalysis O3 Spread Monthly 3-dimensional Product provides a measure of ozone ensemble spread, representing analysis uncertainty from the Tropospheric Chemical Reanalysis v2 (TCR-2). TCR-2 uses JPL's MOMO-Chem framework to assimilate data from multiple satellite sensors, optimizing concentrations and emissions for the period 2005-2021. The data are delivered as monthly, 3-dimensional grids at a spatial resolution of 1.125 degrees across 27 pressure levels.

Use Cases

• Quantifying uncertainty in ozone concentration estimates based on the ensemble spread metric
• Assessing the reliability of chemical reanalysis outputs for climate model validation
• Analyzing temporal trends in ozone analysis uncertainty across the 2005-2021 period
• Mapping the spatial distribution of ozone assimilation uncertainty at 27 pressure levels
• Integrating uncertainty estimates into atmospheric chemistry model ensembles

Strengths

• Provides a specific measure of data assimilation uncertainty (ensemble spread) for ozone
• Covers a 17-year time range from 2005 to 2021
• Offers detailed 3-dimensional spatial resolution at 27 pressure levels between 1000 and 60 hPa

Limitations

• Column names and exact data structure are not provided in the metadata
• License information is inconsistently reported as 'other-license-specified' or null across sources
• The dataset's size and row count are unknown

Provenance

Source

GES_DISC, with principal investigator Kazuyuki Miyazaki

Collection Method

Generated using JPL's Multi-mOdel Multi-cOnstituent Chemical (MOMO-Chem) data assimilation framework from multiple satellite sensors

Time Range

2005-2021

Freshness

2026-04-09 21:25:04.567218

Geography

Global, at a spatial resolution of 1.125 x 1.125 degrees