Amendment 21: A.3 Ocean Biology and Biogeochemistry: NSPIRES cover page issue and Delay of Proposal Due Date

NASA's Ocean Biology and Biogeochemistry (OBB) Program focuses on better understanding the ocean’s role in the Earth System, and predicting future causes and impacts of change driven by Earth’s climate, the environment, and event-scale phenomena on ocean biology, biogeochemistry, and ecology. NASA utilizes remotely sensed measurements of aquatic properties, including data obtained from space, aircraft, and other suborbital platforms; data from field studies and campaigns; and interdisciplinary data assimilation and modeling efforts to describe, understand, quantify, and predict changes to the biological and biogeochemical regimes of the upper ocean. Ocean Biology and Biogeochemistry research primarily supports NASA’s Carbon Cycle and Ecosystem Focus Area, which addresses changes in Earth’s carbon cycle and ecosystems to improve understanding of the structure and function of global aquatic ecosystems, their interactions with the atmosphere, terrestrial and cryospheric systems, and the ocean’s role in the cycling of the major biogeochemical elements.

This year, program element A.3 Ocean Biology and Biogeochemistry (OBB) solicits the following subelements of research investigations in no priority order:

  • Tipping points and episodic events, and their impacts to aquatic ecosystems.
  • Advancing the remote detection of floating debris.
  • Refining our predictive understanding of the ocean biological pump.
  • Successor studies.

ROSES-2024 Amendment 21 announces a delay in the proposal due date for A.3 OBB as a result of an NSPIRES issue. An error in how the NSPIRES cover page was set up prevented the upload of total budget files. That issue has been fixed but, unfortunately, proposers must restart their proposal cover page again by selecting "Solicitation" as the source, creating from a previously submitted NOI will not work. We apologize for this inconvenience and the proposal due date has been delayed to July 12, 2024, to make up for lost time.

On or about June 12, 2024, this Amendment to the NASA Research Announcement "Research Opportunities in Space and Earth Sciences (ROSES) 2024" (NNH24ZDA001N) will be posted on the NASA research opportunity homepage at and will appear on SARA's ROSES blog at:

Questions concerning A.3 OBB may be directed to Laura Lorenzoni at and Kelsey Bisson at For direction about how to restart your proposal on NSPIRES should be directed to the NSPIRES help desk from 8:00 AM to 6:00 PM eastern time via or (202) 479-9376.

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