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STEM Aerosol and Trace Gas 4D Model Forecast Products

Project:

PACDEX

Summary

This dataset contains daily chemical weather forecasts from the STEM regional chemical transport model provided by the Center for Global & Regional Environmental Research, at the University of Iowa, in support of the PACific Dust Experiment (PACDEX). The model runs were performed at 50km horizontal grid resolution. The Weather Research & Forecasting (WRF) model provided meteorological fields to drive the STEM model transport. This dataset contains daily STEM model 3d output files and back-trajectories intiated every minute at aircraft flight altitude.

Data access

ORDER data to made available for download

Additional information

Identifier	DOI: https://doi.org/10.26023/P654-TVPK-A0X
Data Quality	final
Versions	1.0 (2009-03-19)
Subscribe	Subscribe to receive email when new or updated data is available.
Related projects	PACDEX: PACific Dust EXperiment
Spatial Type	grid
Frequency	1 minute
Language	English
Categories	Models/Analyses
Platforms	Models
Instruments	Computer
GCMD Science Keywords	ATMOSPHERIC CARBON MONOXIDE ATMOSPHERIC CHEMISTRY MODELS CLOUD FRACTION CLOUD LIQUID WATER/ICE DUST/ASH/SMOKE NITROGEN OXIDES PARTICULATE MATTER PARTICULATES SULFUR DIOXIDE TRACE GASES/TRACE SPECIES U/V WIND COMPONENTS UPPER AIR TEMPERATURE VERTICAL WIND VELOCITY/SPEED WATER VAPOR WEATHER RESEARCH/FORECAST MODELS Show 12 more... Expand keywords
Documentation	README.txt [3 KiB]
Related links	info: PACDEX Missions homepage: PACDEX main page

Temporal coverage

Begin datetime	2007-04-28 00:00:00
End datetime	2007-05-25 23:59:59

Spatial coverage

Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 70.00, Minimum (South) Latitude: 30.00
Minimum (West) Longitude: 140.00, Maximum (East) Longitude: -105.00

Primary point of contact information

EOL Data Support <datahelp@eol.ucar.edu>

Additional contact information

author: Gregory R. Carmichael <gcarmich@engineering.uiowa.edu>
author: Bhupesh Adhikary <badhikar@engineering.uiowa.edu>
author: Sarika Kulkarni <sarika-kulkarni@uiowa.edu>
author: Marcelo Mena <marcelo-mena@uiowa.edu>

Citation

Carmichael, G., et al. 2009. STEM Aerosol and Trace Gas 4D Model Forecast Products. Version 1.0. null. https://doi.org/10.26023/P654-TVPK-A0X. Accessed 10 Nov 2025.

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