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Yanwu Zhang and James G. Bellingham Monterey Bay Aquarium Research Institute

Estimating Ocean Heat Flux Using AUVs: Error Analysis, Sampling Design, and Preliminary Results from the MB06 Experiment. Yanwu Zhang and James G. Bellingham Monterey Bay Aquarium Research Institute. A Science Goal in MB06 Experiment: Heat Budget in the ASAP Box.

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Yanwu Zhang and James G. Bellingham Monterey Bay Aquarium Research Institute

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  1. Estimating Ocean Heat Flux Using AUVs:Error Analysis, Sampling Design, and Preliminary Results from the MB06 Experiment Yanwu Zhang and James G. Bellingham Monterey Bay Aquarium Research Institute

  2. A Science Goal in MB06 Experiment: Heat Budget in the ASAP Box

  3. Heat Flux Estimation Using AUVs Control volume Length L normal current velocity

  4. Formulation and Calculation of Heat Flux Estimation Error RP(τ, λ) is the autocovariance function of P(t, x)

  5. Current Velocity Measurements during MB06 Experiment

  6. Current Velocity’s Temporal-Spatial Autocovariance Function

  7. Current Velocity’s Fitted to

  8. Derivation of Temporal and Spatial Scales of [temperature ·current velocity]

  9. Heat Flux Estimation Error as a Function of AUVs’ Speed and Number

  10. Heat Flux Estimation Performance Using Spray Gliders and Dorado AUVs

  11. Next-Step Work • Extend the analysis from a line to a surface. Estimate heat flux into the ASAP box during the MB06 Experiment. • Acknowledgments: • Prof. Steven Ramp of Naval Postgraduate School for the bottom-mounted ADCP stations data. • Prof. Timothy Cowles and Dr. Stephen Pierce of Oregon State University for R/V Thompson ADCP data. • Prof. Russ Davis of Scripps for discussions on heat flux calculation. • Packard Foundation and ONR for projects funding.

  12. Two half-speed AUVs Formulation and Calculation of Heat Flux Estimation Error One AUV

  13. Temporal Autocovariance Function of [temperature · current velocity] by Co-Measurements at MBARI Moorings M1 and M2

  14. Temporal Autocovariance Function of Current Velocity by Measurements at MBARI Moorings M1 and M2

  15. Temporal Autocovariance Function of Temperatureby Measurements at MBARI Moorings M1 and M2

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