VJ143D42: VIIRS Valid Observation Quality for Band M1

NOAA-20 VIIRS satellite data provides a daily global layer of valid observation quality for band M1, derived from a 16-day rolling window at 1,000-meter resolution. This product is part of a suite of Bidirectional Reflectance Distribution Function (BRDF) and Albedo parameters formatted on a Climate Modeling Grid (CMG) for climate simulations. The data are temporally weighted to the ninth day of the retrieval period.

Use Cases

• Assessing data quality for BRDF/albedo retrievals based on the valid observation quality layer for band M1.
• Inputting surface reflectance parameters into climate simulation models based on the global Climate Modeling Grid format.
• Monitoring changes in land surface properties over time based on the daily production using a 16-day rolling window.
• Evaluating the impact of aerosol corrections on downstream products like vegetation indices based on described algorithm improvements.

Strengths

• Provides global coverage on a Climate Modeling Grid specifically designed for climate simulation models.
• Incorporates algorithm improvements from S-NPP VIIRS V002, including better calibration and geolocation accuracy.
• Is produced daily, offering a temporally weighted snapshot from a 16-day data window.

Limitations

• Column names and exact data structure are not provided in any source description.
• Specific file size, row count, and detailed license terms are not available.
• The dataset contains only one data layer per parameter due to large file sizes, which may limit simultaneous analysis of multiple bands.

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Derived from NOAA-20 Visible Infrared Imaging Radiometer Suite (VIIRS) satellite sensor data.

Freshness

2026-04-09 20:49:06.821300

Geography

Global