Validation of GOES-17 ABI reflective channels performance: Salar de Uyuni 2018 field campaign results

Boryana Efremova, Joel McCorkel, Alexander Krimchansky, Jason Hair, Marcos Foilán Andrade Flores

Resultado de la investigación: Capítulo del libro/informe/acta de congresoContribución a la conferenciarevisión exhaustiva

Resumen

Validation results from a reflectance-based field campaign at the Salar de Uyuni in Bolivia (September 2018) are presented for GOES-17 and GOES-16 Advanced Baseline Imagers (ABI) reflective channels. The in situ measurements were used to characterize the surface reflectance and the atmosphere in order to constrain a radiative transfer model and predict the reflectance at the top of the atmosphere (TOA), which was then compared to the ABI measurements. The field campaign provides TOA reflectance estimates over several days, allowing assessment of the calibration accuracy and stability of channels 1, 2, 3, 5 and 6 for GOES-17 and GOES-16 ABI. Channel 1 of GOES-17 ABI shows -5.5% bias in comparison to the ground-based predicted TOA. Over 6% bias in GOES-17 B2 was confirmed. A comparison to NOAA-20 VIIRS was also carried on during a near nadir overpass.

Idioma originalInglés
Título de la publicación alojadaEarth Observing Systems XXV
EditoresJames J. Butler, Xiaoxiong Xiong, Xingfa Gu
EditorialSPIE
ISBN (versión digital)9781510638082
DOI
EstadoPublicada - 2020
EventoEarth Observing Systems XXV 2020 - Virtual, Online, Estados Unidos
Duración: 24 ago. 20204 sep. 2020

Serie de la publicación

NombreProceedings of SPIE - The International Society for Optical Engineering
Volumen11501
ISSN (versión impresa)0277-786X
ISSN (versión digital)1996-756X

Conferencia

ConferenciaEarth Observing Systems XXV 2020
País/TerritorioEstados Unidos
CiudadVirtual, Online
Período24/08/204/09/20

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© 2020 SPIE.

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