Amendment 69: Final Text and Due Dates for A.30 Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) Mission Validation Program

The Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) Mission Validation Program element of ROSES solicits proposals to support the post-launch validation of PACE science data products. Here, validation refers to performance assessment and ‘ground-truthing’ of the science data products produced by PACE to evaluate and reduce uncertainty in these products. The primary goal for this program element is the accumulation and/or collection of in situ or other fit-for-purpose data to validate ocean color, atmospheric aerosol, and/or cloud data products from PACE’s trio of instruments.

A.30 PACE is not soliciting question/hypothesis-driven investigations nor novel science algorithm development activities here. Rather, it seeks to support efforts that will enable the performance assessment of PACE data products through the collection of direct and proxy measurements suitable for PACE-specific product validation and uncertainties assessments.

ROSES-2022 Amendment 69 releases final text and due dates for A.30 PACE. Step-1 Proposals are due March 7, 2023, and Step-2 Proposals are due May 5, 2023. A Webex Meeting for potential proposers to this program element will occur on December 7, 2022 at noon Eastern time, see the connect information posted on the NSPIRES page for this program element under “Other documents”.

On or about November 28, 2022, this Amendment to the NASA Research Announcement "Research Opportunities in Space and Earth Sciences (ROSES) 2022" (NNH22ZDA001N) will be posted on the NASA research opportunity homepage at

Questions concerning A.30 PACE may be directed to Laura Lorenzoni at

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