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Satellite science: FSU research increases accuracy of high-resolution ocean surface measurements
- FSU researchers publish a framework that improves SWOT satellite ocean measurements by modeling internal tides.
- HYCOM-based data assimilation blends physics and observations to correct the ocean state in real time.
- The corrected SWOT data showed a 59 percent improvement over current correction methods.
- Internal tides cause interference in SWOT measurements, historically viewed as chaotic to fix.
- The SWOT satellite, operated by NASA and CNES, observes the ocean surface from about 500 miles up.
- The model uses measurements from satellites, floats, moored buoys, and ships to stay aligned with reality.
- HYCOM derives the internal tide field directly from ocean physics rather than separate estimation.
- Researchers from multiple institutions collaborated, including University of Michigan and CLS Group.
- The work was supported by ONR, NASA, and CNES.
- The study helps improve understanding of ocean heat and carbon transport and supports climate projections.
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