Cooperative Agreement for affiliated Partner with the Californian Cooperative Ecosystem Studies Unit
USGS will fund a CESU partner to research carbon cycling in seabed mineral environments, especially in relation to deep-sea mineral systems and their environmental implications.
⚑ Eligibility is limited to participating partners of the Californian Cooperative Ecosystem Studies Unit (CESU). · Cooperative agreement mechanism. · USGS research focused on seabed mineral systems and carbon cycling; award ceiling $480,000.
This is a marine geoscience/basic earth-science opportunity on seabed mineral carbon cycling, which is outside IPPRA’s social-behavioral portfolio. The team’s work centers on public risk perception, warning communication, energy/nuclear attitudes, education policy, and related social-science evaluation, so there is no plausible PI-level fit here.
JUDGED AGAINST THE ROSTER'S PUBLICATION DOSSIER · GPT-5.4-MINI · 2026-11-03
Unit fits — one characterization, each unit's own rules
| Physical Sciences & Engineering (demo) | 90 strong | technical depth: central; funds basic research |
| IPPRA | 45 partial | portfolio topics: environment, energy, national_security_defense; social/behavioral work is none; funds basic research; capped at 45 (limited social-science role) |
| Tom Love Innovation Hub | 15 none | deep-tech content; no commercialization signal |
Description
The USGS is offering a funding opportunity to a CESU partner for research in carbon cycling in seabed mineral environments.
Seabed minerals may contain economically significant concentrations of valuable metals and rare earth elements which are essential to transportation, technological products, and defense and national security applications (i.e., critical minerals; Energy Act, 2020; U.S. Geological Survey, 2025; Hein et al., 2013, 2020). Of particular interest are manganese nodule fields throughout the abyssal Pacific Ocean, including in some U.S. EEZs, which have garnered attention over recent decades as potential areas for deep-sea mineral mining. Still, much more research is needed to understand the environmental settings where these minerals occur, how they form, and potential implications of extraction. This is crucial information for EO 14241 , 14285 , 14272 and SO 3417 .
Carbon cycling is a key component of baseline environmental conditions within offshore resource systems. Sedimentary organic carbon is the primary food source at the base of deep sea food webs, and disturbance from marine mining could significantly alter carbon cycles and decrease benthic microbial and faunal activity. Benthic and midwater plumes generated by marine mining activities may further impact carbon cycling and biologic activity. From a mineral resource assessment perspective, sedimentary organic carbon plays a key role in manganese nodule formation and metal enrichment, though the carbon content, composition, and mechanisms to influence nodule formation remain unknown. The role of organic carbon in metal preservation for sediment covered seafloor massive sulfide systems is also a frontier science question. Sedimentary organic carbon can also be altered to oil or gas by high temperatures and/or pressures below the seafloor, sometimes co-occurring with seabed minerals at hydrothermal systems. Understanding these processes informs OCSLA 1953 & 1978 , and SO 3418 . Despite this importance, carbon cycling in marine mineral systems has received little attention, and fundamental science questions remain regarding how organic carbon cycling varies globally among nodule fields with differing sediment organic carbon content.
Eligibility
This financial assistance opportunity is being issued under a Cooperative Ecosystem Studies Units (CESU) Program. CESU"s are partnerships that provide research, technical assistance, and education. Eligible recipients must be a participating partner of the Californian Cooperative Ecosystem Studies Unit.
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View on Grants.gov → CONTACT: Geological Survey <rachel_miller@ios.doi.gov>
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