About the AIRS data

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ASDCx - mcook
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About the AIRS data

by ASDCx - mcook » Wed Feb 12, 2025 4:35 pm America/New_York

AIRS has been running for over 20 years and is a very reliable data source, so I intend to use AIRS data for scientific research over the long term. I have already registered and am looking to search for and use the LIB radiation data from AIRS, with the dataset name SUBIBRAD (e.g.,AIRS.2023.09.18.051.L1B.SUBIBRAD.v5.0.25.0.G23261111848.hdf). However, I couldn’t find this type of data in the AIRS dataset list; I only found the AIRS_Rad data (e.g., AIRIBRAD.005:AIRS.2023.09.18.018.L1B.AIRS_Rad.v5.0.25.0.G23261111206.hdf). Could you kindly provide me with the link to access the SUBIBRAD data?

Thank you very much, and I look forward to your response.

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GES DISC -thearty
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Re: About the AIRS data

by GES DISC -thearty » Thu Feb 13, 2025 1:23 pm America/New_York

The filename "AIRS.2023.09.18.051.L1B.SUBIBRAD.v5.0.25.0.G23261111848.hdf" is just a file that has been subsetted from the following dataset:

AIRS project (2007), AIRS/Aqua L1B Infrared (IR) geolocated and calibrated radiances V005, Greenbelt, MD, USA, Goddard Earth Sciences Data and Information Services Center (GES DISC), Accessed: [Data Access Date], https://doi.org/10.5067/YZEXEVN4JGGJ

If you follow the link for "Subset/Get Data" and select "Get Original Files" rather than "Get File Subsets using the GES DISC Subsetter", you will get the original files. The subsetter changes the "AIRS_Rad" string to "SUBIBRAD" in the filename.

Since the AIRS instrument will be decommissioned in 2026 you may also want to consider using the JPSS data as well.

UW-Madison Space Science and Engineering Center: Hank Revercomb; UMBC Atmospheric Spectroscopy Laboratory: Larrabee Strow (2020), JPSS-1 CrIS Level 1B Full Spectral Resolution V3, Greenbelt, MD, Goddard Earth Sciences Data and Information Services Center (GES DISC), Accessed: [Data Access Date], 10.5067/LVEKYTNSRNKP

UW-Madison Space Science and Engineering Center: Joe Taylor; UMBC Atmospheric Spectroscopy Laboratory: Larrabee Strow (2023), JPSS-2 CrIS Level 1B Beta Full Spectral Resolution V3, Greenbelt, MD, Goddard Earth Sciences Data and Information Services Center (GES DISC), Accessed: [Data Access Date], https://disc.gsfc.nasa.gov/datacollection/SNDRJ2CrISL1B_3.html

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