Imaging · collection · 2022
Sounder SIPS: Aqua AIRS Level-1B Calibration Subset: Summary, V2 (SNDRAQIML1BCALSUBSUM)
Listed in NASA Earthdata CMR and NASA Data Portal — shown once because both records carry DOI 10.5067/7q4p1lbizyz7
The Atmospheric Infrared Sounder (AIRS) is a grating spectrometer (R = 1200) aboard the second Earth Observing System (EOS) polar-orbiting platform, EOS Aqua.
Description
AIRS/Aqua Level-1C calibration subset including clear cases, special calibration sites, random nadir spots, and high clouds. Infrared temperature sounders generate a large amount of Level-1B spectral data.
For example, the AIRS instrument with 2378 channels, its visible light component and AMSU with 15 channels create 3x240 files each day, for a total of over 500 MB of data. The purpose of the Calibration Data Subsets is extract key information from these data into a few daily files to: 1. Facilitate a quick evaluation of the absolute calibration of the instruments. 2.
Read the rest (3 more)
Facilitate an assessment of the instrument performance under clear, cloudy, and extreme hot and cold conditions. 3. Facilitate the evaluation of instrument trends and their significance relative to climate trends. 4. Facilitate the comparison of AIRS with CrIS using their equivalent data subsets.
The output files are constructed from Level-1B or Level-1C IR and MW brightness or antenna temperatures. Each file contains selected observations taken from a nominal 24-hour period. The “summary” product includes a large set of cases of interest, including all identified spectra that match selection criteria detailed below for clear, special cloud classes, etc.
These amount to about 10% of all spectra. But for each selected case only brightness temperatures (BTs) for selected key channels are saved.
Links
Get the data
- Resource disc.gsfc.nasa.gov/datacollection/SNDRAQIML1BCALSUBSUM_2.html ↗
Access the dataset landing page from the GES DISC website.
landing page · download · from NASA CMR, data nasa gov
- README Document docserver.gesdisc.eosdis.nasa.gov/public/project/Sounder/SNDRAQIML1BCALSUBSUM_2.README.pdf ↗
documentation · download · from NASA CMR, data nasa gov
- Summary of validation status of products docserver.gesdisc.eosdis.nasa.gov/repository/Mission/AIRS/3.7_ScienceDataProductValidation/V5_Ca… ↗
documentation · download · from NASA CMR, data nasa gov
- AIRS Documentation Page docserver.gesdisc.eosdis.nasa.gov/public/project/AIRS/AIRS_Documentation.pdf ↗
documentation · download · from NASA CMR, data nasa gov
- ATBD documentation docserver.gesdisc.eosdis.nasa.gov/public/project/Sounder/ATBD_CalSub_AIRS.CrIS.SNPP.20230210.pdf ↗
documentation · download · from NASA CMR, data nasa gov
- Original Metadata cmr.earthdata.nasa.gov/search/concepts/C2210019692-GES_DISC.iso19115 ↗
download · from data nasa gov
- Access the data via HTTPS. sounder.gesdisc.eosdis.nasa.gov/data/Calibration_Subsets/SNDRAQIML1BCALSUBSUM.2 ↗
download · from NASA CMR
- search.earthdata.nasa.gov /search/granules?p=C2210019692-GES_DISC ↗
Use the Earthdata Search to find and retrieve data sets across multiple data centers.
download · from NASA CMR
- Resource airs.jpl.nasa.gov/index.html ↗
AIRS home page at NASA/JPL. General information on the AIRS instrument, algorithms, and other AIRS-related activities can be found.
download · project · from data nasa gov, NASA CMR
- PNG docserver.gesdisc.eosdis.nasa.gov/public/project/Images/SNDRAQIML1BCALSUBSUM.2.amsua.BT.channel1… ↗
download · preview image · from data nasa gov, NASA CMR
- Resource sounder.gesdisc.eosdis.nasa.gov/opendap/Calibration_Subsets/SNDRAQIML1BCALSUBSUM.2 ↗
download · from data nasa gov
Where it is published
- NASA Data Portal dataset page data.nasa.gov/dataset/sounder-sips-aqua-airs-level-1b-calibration-subset-sum… ↗
landing page · from data nasa gov
- DOI doi.org/10.5067/7q4p1lbizyz7 ↗
DOI / persistent id · from NASA CMR
Catalogue records · 4
- CKAN API data.nasa.gov/api/3/action/package_show?id=c5a3b598-7089-4ac5-9f29-5e9835708… ↗
metadata API · from data nasa gov
- CMR UMM-JSON cmr.earthdata.nasa.gov/search/concepts/C2210019692-GES_DISC.umm_json ↗
metadata API · from NASA CMR
- Access the data via the OPeNDAP protocol. cmr.earthdata.nasa.gov/virtual-directory/collections/C2210019692-GES_DISC ↗
metadata API · from NASA CMR
- CMR record cmr.earthdata.nasa.gov/search/concepts/C2210019692-GES_DISC.html ↗
catalogue entry · from NASA CMR
Topics
- Stated by source
- Advanced Microwave Sounding Unit-B · Atmospheric Infrared Sounder · Earth Observing System, Aqua · Infrared Flux · Infrared Radiance · Longwave Radiation · Longwave Radiation · Shortwave Radiation · Thermal Infrared
- From keywords
- Astronomy & Astrophysics · Earth & Environmental Science · Economics & Finance · Engineering · Ocean & Atmospheric Science · Physics
- Inferred from text
- Atmospheric sciences 71%
Provenance · 2 source records, 26 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| NASA Earthdata CMR | C2210019692-GES_DISC | 9 d ago | JSON v1 |
| NASA Data Portal | c5a3b598-7089-4ac5-9f29-5e9835708b85 | 6 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| access_level | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[field].anzsrc:group:3701 | enrichment · NASA CMR | taxonomy-embedding@1.1.0 | title+keywords+description (71%) |
| concepts[field].local:field:astronomy | mapping · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| concepts[field].local:field:earth-environmental | mapping · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| concepts[field].local:field:economics-finance | mapping · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| concepts[field].local:field:engineering | mapping · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| concepts[field].local:field:ocean-atmospheric | mapping · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| concepts[field].local:field:physics | mapping · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| concepts[instrument].gcmd_instrument:airs | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[instrument].gcmd_instrument:amsu-b | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/atmosphere/atmospheric-radiation/longwave-radiation | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/atmosphere/atmospheric-radiation/shortwave-radiation | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/oceans/ocean-heat-budget/longwave-radiation | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/spectral-engineering/infrared-wavelengths/infrared-flux | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/spectral-engineering/infrared-wavelengths/infrared-radiance | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/spectral-engineering/infrared-wavelengths/thermal-infrared | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[platform].gcmd_platform:aqua | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| created_date | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| description | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/Abstract |
| license_text | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| publication_date | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| spatial | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/SpatialExtent |
| temporal | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/TemporalExtents |
| title | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/EntryTitle |
| updated_date | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| version_label | source · NASA CMR | connector:nasa_cmr@1.0.0 |