Mr. Jeffrey A. Miller Profile

Jeffrey A. Miller

at NASA Goddard Space Flight Ctr

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Author

Publications (4)

Proceedings Article | 4 October 2023 Presentation + Paper

Landsat 8 decade of on-orbit operation summary of events and current state

Raviv Levy, Jeffery Miller, Julia Barsi, Kurtis Thome, Edward Kaita, Matthew Montanaro, Brian Markham

Proceedings Volume 12685, 126850Q (2023) https://doi.org/10.1117/12.2678051

KEYWORDS: Calibration, Landsat, Space operations, Diffusers, Spectral response, Reflectivity, Lamps

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Proceedings Article | 30 September 2022 Presentation + Paper

Landsat 9 Operational Land Imager2 (OLI2) on-orbit results of new special characterizations

Raviv Levy, Jeffrey Miller, Kurtis Thome

Proceedings Volume 12232, 122320X (2022) https://doi.org/10.1117/12.2633665

KEYWORDS: Sensors, Landsat, Earth observing sensors, Calibration, Diffusers, Signal to noise ratio

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Proceedings Article | 16 September 2020 Presentation + Paper

Landsat-8 TIRS thermal radiometric calibration status

Julia Barsi, Brian Markham, Matthew Montanaro, Simon Hook, Nina Raqueno, Jeffrey Miller, Rasa Willette

Proceedings Volume 11501, 115010L (2020) https://doi.org/10.1117/12.2567807

KEYWORDS: Calibration, Earth observing sensors, Landsat, Error analysis, Sensors, Stray light, Infrared sensors, Infrared imaging, Thermography, Infrared radiation

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The Landsat-8 Thermal Infrared Sensor (TIRS) has been acquiring two-band thermal infrared images of the Earth’s surface since 2013. The calibration of the two-band system has been monitored using the on-board calibrator and validated with vicarious calibration performed by NASA/JPL and RIT since launch. Soon after launch, it was discovered that the instrument had a significant stray light effect that was affecting the radiometric calibration. The stray light was corrected in the processing system in 2017. Since then, it has become apparent that there was an additional radiometric error, based on the vicarious calibration results. With a failure within the primary electronic system and subsequent switch to the redundant electronic system, the TIRS instrument effectively has two separate calibration regimes. The vicarious calibration found a statistically significant calibration error, primarily a constant over time, in Band 11 on the primary electronics (Feb 11, 2013 through March 5, 2015) of about -0.6K at 300K. The calibration error in Band 10 was smaller though still statistically significant at about 0.2K at 300K. On the redundant side (March 5, 2015 to present), the calibration error is more signal dependent than time dependent. Both bands are affected, with Band 10 having an error between 1K and -0.4K (between 273-320K) and Band 11 having an error between 0.8K and -1.44K (between 273-320K). This calibration error will be corrected within the USGS Landsat Product Generation System with the release of Landsat Collection-2 products. The Collection-2 release also includes a correction to the relative radiometric calibration of TIRS data. Striping as a result of poor detector-to-detector normalization has been increasing in the imagery since launch. The TIRS relative radiometric calibration will be updated based on internal calibrator data to remove the stripes on a quarterly basis. The visible stripes are generally at 0.1-0.2% level, though there are some detectors in each band that have changed by 1% or more. The Collection-2 release will result in much more uniform TIRS images.

Proceedings Article | 28 August 2020 Presentation + Paper

Landsat 9 mission update and status

Brian Markham, Del Jenstrom, Brian Sauer, Steven Pszcolka, Vicki Dulski, Jason Hair, Joel McCorkel, Geir Kvaran, Kurtis Thome, Matthew Montanaro, Jeffrey Pedelty, Cody Anderson, Michael Choate, Julia Barsi, Edward Kaita, Jeffrey Miller

Proceedings Volume 11501, 115010O (2020) https://doi.org/10.1117/12.2569748

KEYWORDS: Landsat, Earth observing sensors, Space operations, Stray light, Sensors, Signal to noise ratio, Observatories, Short wave infrared radiation, Calibration

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