Intercomparison of Landsat and Joint Polar Satellite System using Radiometric Calibration Network

Mohammad H. Tahersima; Brian N. Wenny; Norvik Voskanian; Kurtis Thome

doi:10.1117/12.2632818

30 September 2022 Intercomparison of Landsat and Joint Polar Satellite System using Radiometric Calibration Network

Mohammad H. Tahersima, Brian N. Wenny, Norvik Voskanian, Kurtis Thome

Proceedings Volume 12232, Earth Observing Systems XXVII; 1223218 (2022) https://doi.org/10.1117/12.2632818
Event: SPIE Optical Engineering + Applications, 2022, San Diego, California, United States

Abstract

Higher spatial and temporal resolution in Earth observation (EO) imagery is beneficial for many applications, including real-time hazard monitoring and agriculture. SI-traceable intercomparison between concurrent Earth imaging satellites can help harmonizing and improving spatial or temporal resolution of their data products. To that end, the Committee on Earth Observation Satellites (CEOS) initiated the Radiometric Calibration Network (RadCalNet) to provide automated surface and top-of-atmosphere TOA reflectance data from multiple participating ground sites to the worldwide user community. Here, we report results of the intercomparison between Landsat-8 Operational Land Imager (OLI) and National Oceanic and Atmospheric Administration-20 (NOAA-20) Visible Infrared Imaging Radiometer Suite (VIIRS) in the wavelength range from 400 nm to 2500 nm using RadCalNet as a common reference. The results of this study indicate that RadCalNet is a valuable tool for harmonization of EO imagery even in the case where the sensors have different temporal and spatial resolutions. Both OLI and VIIRS are calibrated to well-within their absolute radiometric calibration uncertainties and the two sensors agree with each other to better than 2% using RadCalNet sites as a common reference.

Conference Presentation

Citation Download Citation

Mohammad H. Tahersima, Brian N. Wenny, Norvik Voskanian, and Kurtis Thome "Intercomparison of Landsat and Joint Polar Satellite System using Radiometric Calibration Network", Proc. SPIE 12232, Earth Observing Systems XXVII, 1223218 (30 September 2022); https://doi.org/10.1117/12.2632818

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