Scientists lose critical climate record as ocean observatory will go dark under Trump funding cuts
The National Science Foundation will dismantle most of the Ocean Observatories Initiative by 2027, shutting down key sensors off Oregon, Washington, Alaska, North Carolina, and Greenland, disrupting a decade of climate and marine data collection. Scientists warn this loss will hinder research during an upcoming El Niño event and eliminate critical subsurface measurements, including low-oxygen zones, that satellites cannot detect.
The Ocean Observatories Initiative (OOI), a $386 million network of over 900 ocean sensors tracking climate change, marine ecosystems, and extreme weather, will lose most of its Pacific and Atlantic operations by 2027. The National Science Foundation (NSF) announced in May it would dismantle instruments off Oregon, Washington, Alaska, North Carolina, and Greenland, citing a shift to prioritize emerging scientific needs. The decision follows a 2025 National Academies report and a proposed 55% budget cut for the NSF in 2026, which began impacting funding in 2025. The OOI, launched in 2015 as a 25-30-year project, has provided real-time data for over a decade, informing 500 scientific publications. Researchers like Ed Dever, a professor at Oregon State University, warn the shutdown will cripple efforts to study subsurface ocean conditions, including low-oxygen zones and marine heat waves, during an upcoming El Niño event. Satellites cannot measure these critical signals, leaving scientists blind to key climate indicators. A single component will remain operational: a seafloor cable network managed by the University of Washington, which will continue monitoring volcanic and seismic activity. The OOI’s Pacific Northwest operations, coordinated by Woods Hole Oceanographic Institution alongside the University of Washington, Oregon State University, Rutgers University, and Scripps Institution of Oceanography, employed 60-70 staff annually before budget cuts. The NSF framed the move as a strategic adjustment rather than a cancellation, emphasizing a focus on evolving research priorities. Scientists express frustration over the timing, as the shutdown coincides with rising marine heat waves and an impending El Niño, which disrupts weather patterns. The loss of Oregon and Washington moorings, along with underwater gliders, will remove critical tools for tracking oceanographic changes. The initiative’s data, freely available to researchers and educators, was designed to detect long-term climate signals, but its early termination risks losing decades of planned observations.
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