Delta-X: AirSWOT Level 1B Interferogram Products in Radar Coordinates, 2021
This dataset contains AirSWOT interferogram products collected during the 2021 Delta-X Campaign over the Atchafalaya and Terrebonne Basins of the Mississippi River Delta, Louisiana, USA from 2021-03-26 to 2021-04-18 (Spring) and 2021-08-21 to 2021-09-12 (Fall). AirSWOT uses near-nadir wide-swath Ka-band radar interferometry to measure water-surface elevation and produce continuous gridded elevation data. AirSWOT elevation data is useful for calibrating elevation and slopes along the main channels, as well as tying observations to open ocean tidal conditions. The AirSWOT Level 1B (L1B) data products represent interferogram data in the radar coordinate system, not in georeferenced map coordinates. This is an earlier stage of data processing which is used to generate the later Level 2 and Level 3 data products which will contain georeferenced water heights and water height profiles for river channels in each basin. The data are provided in binary and text file formats.
Resources
6 resources available
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Original Metadata
ISO -
Resource 2
PNG -
Resource 3
PDF -
Resource 4
BIN -
Resource 5
HTML -
Resource 6
BIN
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Complete Metadata
| @type | dcat:Dataset |
|---|---|
| accessLevel | public |
| bureauCode |
[ "026:00" ] |
| contactPoint |
{ "fn": "Earthdata Forum", "@type": "vcard:Contact", "hasEmail": "mailto:earthdata-support@nasa.gov" } |
| description | This dataset contains AirSWOT interferogram products collected during the 2021 Delta-X Campaign over the Atchafalaya and Terrebonne Basins of the Mississippi River Delta, Louisiana, USA from 2021-03-26 to 2021-04-18 (Spring) and 2021-08-21 to 2021-09-12 (Fall). AirSWOT uses near-nadir wide-swath Ka-band radar interferometry to measure water-surface elevation and produce continuous gridded elevation data. AirSWOT elevation data is useful for calibrating elevation and slopes along the main channels, as well as tying observations to open ocean tidal conditions. The AirSWOT Level 1B (L1B) data products represent interferogram data in the radar coordinate system, not in georeferenced map coordinates. This is an earlier stage of data processing which is used to generate the later Level 2 and Level 3 data products which will contain georeferenced water heights and water height profiles for river channels in each basin. The data are provided in binary and text file formats. |
| distribution |
[ { "@type": "dcat:Distribution", "title": "Original Metadata", "format": "ISO", "mediaType": "text/xml", "conformsTo": "http://www.isotc211.org/2005/gmi", "description": "The metadata's original source.", "downloadURL": "https://cmr.earthdata.nasa.gov/search/concepts/C2428617287-ORNL_CLOUD.iso19115" }, { "@type": "dcat:Distribution", "format": "PNG", "mediaType": "image/png", "downloadURL": "https://daac.ornl.gov/DELTAX/guides/DeltaX_L1b_AirSWOT_Fig1.png" }, { "@type": "dcat:Distribution", "format": "PDF", "mediaType": "application/pdf", "downloadURL": "https://data.ornldaac.earthdata.nasa.gov/public/deltax/DeltaX_L1b_AirSWOT/comp/DeltaX_L1b_AirSWOT.pdf" }, { "@type": "dcat:Distribution", "format": "BIN", "mediaType": "application/octet-stream", "downloadURL": "https://deltax.jpl.nasa.gov/" }, { "@type": "dcat:Distribution", "format": "HTML", "mediaType": "text/html", "downloadURL": "https://doi.org/10.3334/ORNLDAAC/1996" }, { "@type": "dcat:Distribution", "format": "BIN", "mediaType": "application/octet-stream", "downloadURL": "https://search.earthdata.nasa.gov/search/granules?p=C2428617287-ORNL_CLOUD" } ] |
| identifier | 10.3334/ORNLDAAC/1996 |
| keyword |
[ "earth-science-ecosystems-biosphere-aquatic-ecosystems", "earth-science-surface-water-terrestrial-hydrosphere-surface-water-features", "earth-science-surface-water-terrestrial-hydrosphere-surface-water-processes-measurements" ] |
| license | https://www.usa.gov/government-works |
| modified | 2026-06-22 |
| programCode |
[ "026:000" ] |
| publisher |
{ "name": "ORNL_DAAC", "@type": "org:Organization" } |
| spatial |
"["CARTESIAN", [{"WestBoundingCoordinate": -91.5378, "NorthBoundingCoordinate": 29.7961, "EastBoundingCoordinate": -90.5817, "SouthBoundingCoordinate": 29.0711}]]"
|
| temporal | 2021-03-26/2021-09-12 |
| theme |
[ "Earth Science" ] |
| title | Delta-X: AirSWOT Level 1B Interferogram Products in Radar Coordinates, 2021 |
