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Emissions for Fairbanks AK and ALPACA products

Published by U.S. EPA Office of Research and Development (ORD) | U.S. Environmental Protection Agency | Metadata Last Checked: August 02, 2025 | Last Modified: 2023-08-09
January-February 2022 Fairbanks Emissions for the US EPA 1.33 km WRF-CMAQ domain. Portions of this dataset are inaccessible because: Raw emissions files in NetCDF IOAPI format are too large. Below are the size of directories in this archive of ALPACA emissions that is around 75 Gb total. 63G ./premerged 11G ./onroad_ADEC_surrogates 121M ./ptegu_zehnder 121M ./ptegu_uaf 121M ./ptegu_north_pole 121M ./ptegu_ft_wainwright 121M ./ptegu_doyon 121M ./ptegu_aurora_chena 2.0M ./smk_merge_dates_202202.txt 2.0M ./smk_merge_dates_202201.txt. They can be accessed through the following means: See data dictionary on archived location on US EPA computer system for specifics, but all emissions are archived on tape drives connected to the Atmos computer system here: /asm/MOD3DEV/kfa/Fairbanks/ALPACA/emis. Format: See provided data dictionary document for full details: Data_dictionary_Emissions.docx i.e.; This dataset includes emissions inputs for the Community Multiscale Air Quality (CMAQ) modeling system for the 1.33 km resolution Fairbanks domain (Figure 1, inner box) during the ALPACA period (January 17-February 25, 2022). The following sections describe the data as well as their location on the archival file system, /asm, for EPA’s atmos high-performance computing platform.

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