Liaisons with the Broader Scientific Community

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2. PROPOSED WORK

2.1 Liaisons with the Broader Scientific Community

In addition to mission science objectives and measurement requirements, the development of a comprehensive calibration and validation plan, including detailed test procedures, and an executable algorithm plays a critically important role to assure mission success. Successful implementation of these pre-launch activities requires close interaction among the project management, science community, and instrument vendors. Furthermore, post-launch satellite inter-comparisons are facilitated by active participation in international calibration and characterization organizations.

Dr. Butler and Dr. Xiong represent NASA’s remote sensing science interests as members of the executive panel and Cal/Val Working Group of the Global Space-based Inter-calibration System (GSICS) and as participants in the Committee on Earth Observation Satellites (CEOS) Working Group for Calibration and Validation (WGCV). Interaction and collaboration with the Earth remote sensing community have been established through Dr. Xiong’s experience as MODIS Project Scientist, MODIS Calibration Scientist, VIIRS Calibration Scientist, and as Technical Lead of the MODIS Characterization Support Team and the NPP Instrument Characterization Support Team and Dr. Butler’s experience as EOS Calibration Scientist and NPP Deputy Project Scientist for Calibration and Validation. Moreover, the MODIS and VIIRS instruments on EOS and NPP/JPSS are key sensors in evaluating and guiding current studies and future intercomparison approaches of CLARREO satellite data.

As _____??whose??___ liasons with the broader scientific community, we will support the SDT’s reflected solar benchmarking and reference inter-calibrat...

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.... Based on our experiences gained from direct involvement in the EOS and the NPP/JPSS programs, both conventional and state of the art methodologies and approaches to prelaunch calibration and characterization will be identified and evaluated with itemized and fully annotated uncertainty budgets. These analyses will then be extended to the postlaunch timeframe with the examination of radiometric and spectral uncertainties in satellite instrument inter-comparison techniques. Resulting uncertainties will be “rolled up” into overall on-orbit measurement uncertainties for a number of potential design scenarios and testing approaches of the CLARREO reflected solar instrument. All uncertainty analyses will be performed in accordance with NIST Technical Note 1297, which outlines recommended guidelines for the evaluation and expression of uncertainty in measurements [R].

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