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Aeronet AOD
Sun photometer measurements of the direct (collimated) solar radiation provide information to calculate the columnar aerosol optical depth (AOD). AOD can be used to compute columnar water vapor (Precipitable Water) and estimate the aerosol size using the Angstrom parameter relationship. Two data versions (Versions 1 and 2) and three quality levels (Levels 1.0, 1.5, 2.0) exist for each product. While Levels 1.0 and 1.5 are provided in near real-time, the 12-month or longer delay (due to final calibration and manual inspection) ensures that the highest quality data can be found in Version 2, Level 2.0 data products. Level 2: pre- and post-field calibration applied, automatically cloud cleared and manually inspected.
Complete Metadata
| @type | dcat:Dataset |
|---|---|
| accessLevel | public |
| accrualPeriodicity | irregular |
| bureauCode |
[
"026:00"
]
|
| contactPoint |
{
"fn": "Brent Holben",
"@type": "vcard:Contact",
"hasEmail": "mailto:Brent.N.Holben@nasa.gov"
}
|
| description | Sun photometer measurements of the direct (collimated) solar radiation provide information to calculate the columnar aerosol optical depth (AOD). AOD can be used to compute columnar water vapor (Precipitable Water) and estimate the aerosol size using the Angstrom parameter relationship. Two data versions (Versions 1 and 2) and three quality levels (Levels 1.0, 1.5, 2.0) exist for each product. While Levels 1.0 and 1.5 are provided in near real-time, the 12-month or longer delay (due to final calibration and manual inspection) ensures that the highest quality data can be found in Version 2, Level 2.0 data products. Level 2: pre- and post-field calibration applied, automatically cloud cleared and manually inspected. |
| identifier | NASA-0000001__1 |
| issued | 2018-06-25 |
| keyword |
[
"aerosols",
"clouds",
"earth-science",
"inversions",
"precipitable-water",
"radiation",
"satellite"
]
|
| landingPage | http://aeronet.gsfc.nasa.gov/ |
| modified | 2025-07-17 |
| programCode |
[
"026:001"
]
|
| publisher |
{
"name": "National Aeronautics and Space Administration",
"@type": "org:Organization"
}
|
| spatial | Global |
| temporal | 1993-01-01/2014-01-01 |
| theme |
[
"Earth Science"
]
|
| title | Aeronet AOD |
