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A Window to a Coastal California Ecosystem: The Example of the Spring 1995 CoOP Field Program

F. Chavez, G. Friederich, H. Jannisch, R. Michisaki, T. O'Reilly, J.T. Pennington, T. Anderson

grid1chl.jpg (25372 bytes)Considerable effort has been directed toward development of the MBARI Ocean Observing System (MOOS), consisting of a variety of sensors and platforms deployed in Monterey Bay, communication links, and data management facilities.

Sensors include automated, rugged pCO2 measurement apparatus and osmotically pumped chemical analyzers developed at MBARI.

Platforms include drifters, moorings, ships, and satellites.

Telemetry infrastructure includes microwave and packet radio links to provide ocean data in near-realtime.

MOOS was recently utilized as part of the CoOP Coastal Air-Sea Chemical Fluxes Project Spring 1995 Field Program. Objectives of MBARI investigators include:

  • Determine role of biology in exchange of CO2 between ocean and atmosphere in a coastal upwelling environment
  • Measure distribution of CO2, nitrate, oxygen, and silicate as well as horizontal currents, temperature, salinity, chlorophyll, irradiance, and primary production over various spatial and temporal scales.


The following tables summarize measurements made by us during the CoOP Spring '95 Field Program.

The table below summarizes the measurements made from RV Point Sur:

Sampling method Properties Frequency
CTD casts temperature, conductivity, pressure, fluorescence, beam-c, irradiance 114 casts, 24 Hz during cast
Bottle samples nitrate, nitrite, phosphate, silicate, oxygen, pCO2, total CO2, N2O, chlorophyll, primary production, particulate absorption, alpha, Pmax, bacteria, pico-, nano-, micro-plankton 3200 samples
Underway mapping location, temperature, conductivity, nitrate, silicate, fluorescence, absorption, beam-c, irradiance every 30 seconds
pCO2 every minute
total CO2 every 3 minutes
ADCP Current velocity every 3 minutes

The table below summarizes measurements made by unmanned platforms:

Platform Properties Frequency
MBARI Drifter #4 location,
temperature, salinity
every 15 minutes
NO3, backscatter, fluorescence every 5 minutes
MBARI moorings M1 and M2 location, wind, air temperature, relative humidity, temperature at 11 depths, beam-c, fluorescence, irradiance/radiance, NO3, pCO2 every 10 minutes
NOAA buoys sea surface temperature, wind every hour
AVHRR (NOAA polar-orbiting satellites) sea surface temperature, albedo 3-4 times daily



MBARI provides these data "as is", with no warranty, express or implied, of the data quality or consistency. Data are provided without support and without obligation on the part of the Monterey Bay Aquarium Research Institute to assist in its use, correction, modification, or enhancement.


 Last Updated: Wednesday, January 31, 2001