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Dickey Mooring

High Resolution Time Series Measurements of Bio-optical and Physical Variability in the Coastal Ocean as Part of HyCODE. Dickey Mooring. Objectives.

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Dickey Mooring

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  1. High Resolution Time Series Measurements of Bio-optical and Physical Variability in the Coastal Ocean as Part of HyCODE Dickey Mooring

  2. Objectives The long-term goal of our project is to increase understanding of the variability of inherent and apparent optical properties (IOPs and AOPs) of ocean waters and their relationships to each other as well as to physical processes on continental shelves. • Specifically: • To provide the maximum number of in situ observations of IOPs and AOPs possible for calibrating, groundtruthing, and relating subsurface optical properties to aircraft and spacecraft ocean color data • To develop, test, and validate optical models and high resolution interdisciplinary models of the coastal ocean. • To study processes that contribute to temporal and spatial variability of spectral IOPs and AOPs. In particular, we are determining how temporal and spatial variability in IOPs and AOPs are affected by: • - Coastal physical and biological dynamics and larger scale circulation patterns, • - Wave fields, • - Water column stratification and current shears, • - Near surface and near bottom mixing, • - Diurnal and seasonal biological and physical cycles, and • - Riverine and runoff inflows.

  3. Approach, 2001 What’s New? - Hyperspectral Ed/Lu sensors - Temperature every ~1m - Salinity every 3-5m - Shorter deployment Sampling Rates ac-9: once per hour ADCP: once per minute Beam c: once per minute Fluorometer: once per minute HydroScat-6: once per hour Hyperspectral: once per hour Microcat: once per minute PAR: 8 times per hour Pressure: once per second SBE-39: once per minute Seacat: once per minute Tidbit: once every 5 minutes TSKA: once every 2 minutes Data collected? Everything except: - ADCP quit JD 184 - HiStar dropped data packets - HydroScat-6 quit JD 179 - 5m Lu didn’t work - SAFire (several l’s)

  4. Results ac-9

  5. ADCP

  6. Transmissometer and Fluorometer

  7. HydroScat-6

  8. Hyperspectral Ed/Lu

  9. Hyperspectral Ed/Lu

  10. PAR

  11. Bottom Pressure 1-min avg 12-hr avg 24-hr avg

  12. Hydrography

  13. Temperature

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