Project Grant NA24OARX021G0021

Award Date 8/1/24
Completion Date 1/31/25
Dollars Obligated $524K
Federal Grant Program
11.021
Assistance Type
Project Grant
Place of Performance
East Falmouth, Falmouth, MA 02536, USA

Subtidal, Inc., a for-profit technology company, was awarded a $523,791 Project Grant from the National Oceanic and Atmospheric Administration (NOAA) Small Business Innovation Research (SBIR) Program (CFDA 11.021) to develop the Ocean Carbon Flux Grid, a technological solution to enable accurate measurement, reporting, and verification (MRV) of ocean carbon dioxide removal (CDR) strategies.

The purpose of this Phase I SBIR project is to develop and validate Subtidal's carbon flux analytics frameworks, which transform high-frequency, three-dimensional carbonate chemistry sensor data into continuous volumetric carbon flux measurements. This technology aims to address critical gaps in the current MRV capabilities for ocean CDR, which is essential for achieving significant atmospheric carbon drawdown by mid-century. The project involves deploying and testing the carbon flux analytics in a tidal estuary environment, as well as assessing the scientific and commercial viability of using this approach for quantifying atmospheric-ocean carbon drawdown. Upon successful completion of this Phase I effort, Subtidal plans to further develop and pilot the Ocean Carbon Flux Grid technology in preparation for commercial scaling.

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