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Enhancing Oceanic Monitoring with Surpact: A Wave-Rider for Surface Measurements

Developed with SMRU, the Surpact wave-rider enables precise data collection at 4cm depth. It captures various parameters like C/T, SLP, and wave spectra, making it ideal for deployments in oceanic regions like Fromvar, Banyuls, Pirata, and Pandora. This innovative tool addresses challenges like C-drifts, offering a cost-effective solution for C-cell measurements. The Surpact has proven instrumental in observing significant rain-SSS events and wave spectra, serving to validate data from SVP drifters. Its capabilities include measuring water stratification, temperature, salinity, and meteorological information, making it a valuable asset for ocean monitoring initiatives.

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Enhancing Oceanic Monitoring with Surpact: A Wave-Rider for Surface Measurements

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  1. Surpact: a wave-riderReverdin et al., Oceanography, april 2013 Measure C/T at 4cm depth; (and other parameters: SLP, wave spectra) LOCEAN (Reverdin et al., 2013) Developed with SMRU Test Deployements in Fromvar/ Banyuls, Prototypes Pirata / Pandora First long deployments Strasse/SPURS Tests for rain-rate (in progress) Difficulty: C drifts quickly; other C-cell (cheaper, if possible)?

  2. The largest rain-SSS event observed by a surpact tight to a SVP drifter ~10psu 1h15mn 4cm 20cm 60cm 0hTU 6h 4h Atlantic ITCZ 7N-22W 6 July 2013

  3. Wave spectra example of set-up(deployment > 4 moisin sub-tropical NA (SPURS)) Scattering 0.85 m/s for WS 4 to 7 m/s &1.4 m/s for WS 8 to 11 m/s wrt SSMIS/wind retrieval (100 days) (also valid for equatorial Atlantic) Retrieved winds

  4. Floats to measure C,T closer to the surface (and other parameters: SLP, wave spectra) surplas surpact Serve to validate C,T from SVP drifters Provide stratification data in T and S (+ met info for surpact)

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