VIIRS/JPSS1 Daily Gridded Day Night Band 500m Linear Lat Lon Grid Night NRT

The first of two Visible Infrared Imager Radiometer Suite (VIIRS) Day Night Band (DNB) based Near Real Time (NRT) datasets is a daily, top-of-atmosphere, at-sensor nighttime radiance product called VIIRS/JPSS1 Daily Gridded Day Night Band 500m Linear Lat Lon Grid Night NRT. Known by its short-name, VJ146A1_NRT, this product contains 26 Science Data Sets (SDS) that include sensor radiance, zenith and azimuth angles (at-sensor, solar, and lunar), cloud-mask flags, time, shortwave IR radiance, brightness temperatures, VIIRS quality flags, moon phase angle, and moon illumination fraction. It also provides Quality Flag (QF) information specific to the cloud-mask, VIIRS moderate-resolution bands M10, M11, M12, M13, M15, M16, and DNB.

本数据集为两款基于可见光红外成像仪辐射计套装（Visible Infrared Imager Radiometer Suite，简称VIIRS）日夜波段（Day Night Band，简称DNB）的实时（Near Real Time，简称NRT）数据集之一。该数据集为每日大气顶部、传感器夜间辐射亮度产品，名为VIIRS/JPSS1每日网格化日夜波段500米线性经纬度网格夜间实时产品。该产品以简称VJ146A1_NRT著称，包含26个科学数据集（Science Data Sets，简称SDS），这些数据集涵盖了传感器辐射亮度、天顶和方位角（传感器、太阳和月球）、云掩码标志、时间、短波红外辐射亮度、亮度温度、VIIRS质量标志、月相角以及月光照度分数。此外，它还提供了针对云掩码、VIIRS中分辨率波段M10、M11、M12、M13、M15、M16和DNB的特定质量标志（Quality Flag，简称QF）信息。