干旱区生态环境知识资源中心(Arid): Evaluation of NOAA-20 VIIRS Reflective Solar Bands Calibration Performance Using Vicarious Approaches

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DOI	10.1117/12.2532573
	Evaluation of NOAA-20 VIIRS Reflective Solar Bands Calibration Performance Using Vicarious Approaches
	Wu, A.; Chiang, K.; Lei, N.; Xiong, X.
通讯作者	Wu, A (corresponding author), Sci Syst & Applicat nc, Lanham, MD 20706 USA.
会议名称	Conference on Sensors, Systems, and Next- Generation Satellites XXIII
会议日期	SEP 09-12, 2019
会议地点	Strasbourg, FRANCE
英文摘要	The newly launched polar-orbiting NOAA-20 satellite is the follow-on mission to the SNPP (Suomi National Polar-orbiting Partnership) satellite. Both satellites are in an afternoon orbit with a close equatorial cross time. The Visible Infrared Imaging Radiometer Suite (VIIRS) is a key sensor onboard NOAA-20 and SNPP. The two VIIRS sensors are within the same engineering design with nearly identical spectral ranges. Its on-board calibration components include a solar diffuser and a solar diffuser stability monitor for the reflective solar bands (RSB), a V-groove blackbody for the thermal emissive bands (TEB), and a space view as background reference. This study evaluates calibration performance of the NOAA-20 VIIRS RSB using the first internally released L1B data product by NASA Land SIPS, which has consistent calibration coefficient look up tables (LUT) throughout the entire mission. Several independent vicarious approaches are used to examine the stability and consistence of reflectance. The first approach is based on a double difference method by comparison with SNPP VIIRS using observations from simultaneous nadir overpasses (SNO) with Aqua MODIS. The second is based on the reflectance trends from 16-day repeatable orbits obtained over the widely used Liby-4 desert site so each data point has the nearly same viewing angles relative to the site. The third approach is to use the frequent overpasses over the Dome C snow site. Results of this study provide NOAA-20 VIIRS post-launch calibration stability performance and radiometric agreement with SNPP for the first 18 months of mission.
英文关键词	VIIRS calibration reflective solar bands reflectance vicarious
来源出版物	SENSORS, SYSTEMS, AND NEXTGENERATION SATELLITES XXIII
ISSN	0277-786X
EISSN	1996-756X
出版年	2019
卷号	11151
ISBN	978-1-5106-3006-2
出版者	SPIE-INT SOC OPTICAL ENGINEERING
类型	Proceedings Paper
语种	英语
收录类别	CPCI-S
WOS记录号	WOS:000511160400050
WOS类目	Optics
WOS研究方向	Optics
资源类型	会议论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/370138
作者单位	[Wu, A.; Chiang, K.; Lei, N.] Sci Syst & Applicat nc, Lanham, MD 20706 USA; [Xiong, X.] NASA, Sci & Explorat Directorate, GSFC, Greenbelt, MD 20771 USA
推荐引用方式 GB/T 7714	Wu, A.,Chiang, K.,Lei, N.,et al. Evaluation of NOAA-20 VIIRS Reflective Solar Bands Calibration Performance Using Vicarious Approaches[C]:SPIE-INT SOC OPTICAL ENGINEERING,2019.