All of these instruments, along with more than fifty scientists from over a dozen prestigious institutions throughout the country, are part of an extensive, ongoing research project known as "Monterey Bay 2006" (abbreviated "MB 06"). MB 06 runs from mid-July through mid-September 2006 and consists of four separate experiments that look at Central Coast waters from four different perspectives. Some experiments are trying to paint three-dimensional pictures of the ever-changing ocean currents by combining computer models with measurements of seawater temperature and chemistry. Other experiments are using sensitive underwater microphones to hear how sounds travel through turbulent coastal waters. All four of these complementary experiments are funded by the Office of Naval Research.
During the MB 06 experiment, data from nearly 100 different oceanographic sensors are being fed to a central computer system hosted by the Monterey Bay Aquarium Research Institute. MBARI-designed software allows scientists involved in the experiments to study and discuss each other's data via the internet. Thus, researchers can participate in the experiment while working on ships at sea or from their offices thousands of miles away. The general public can also look at data plots and read the scientists' discussions, as the researchers decide on a day-by-day basis where to send their undersea robots to gather the most useful data.The following paragraphs summarize the four experiments that make up MB 06:
Assessing the Effects of Submesoscale Ocean Parameterizations (AESOP)
The AESOP experiment complements the ASAP experiment by looking closely at some of the complex ocean processes that are not explicitly covered by existing computer models. For example, waters off the Central California coast are often affected by small-scale eddies, fronts (sharp boundaries between different water masses), and internal waves (waves that form underwater, between different ocean layers). The AESOP experiment attempts to determine how such localized ocean features and physical processes affect currents, mixing, and heat transfer in coastal waters.
Layered Organization in the Coastal Ocean (LOCO)
The LOCO experiment focuses on a recently-discovered biological phenomenon-dense populations of microscopic algae and other organisms that form distinct layers beneath the ocean surface. Such biological layers may be less than a meter thick, but can extend horizontally for dozens of kilometers. Scientists involved in this experiment are examining how these layers form, how they can be detected, how the organisms within these layers interact, and how the layers affect the movement of light and sound through the ocean waters.
Undersea Persistent Surveillance (UPS)
The UPS experiment involves monitoring central coast waters using extremely sensitive underwater microphones, electromagnetic sensors, and other oceanographic instruments. Some of these instruments have been placed temporarily on the seafloor; others are being carried by robotic vehicles such as gliders and autonomous underwater vehicles (AUVs). The instruments are being used as a system to monitor the ocean environment and to track some of the research vessels that will be traversing Central Coast waters during the MB 06 experiment. This will help researchers understand how ocean layers and currents affect the transmission of sounds and electrical and magnetic signals generated by ships (as well as by marine mammals and submarines).
Additional information on the MB 06 experiment can be found at:
http://www.mbari.org/mb2006/ or by contacting one of the media representatives listed above. Still images and video to accompany this release are available to media representatives upon request.Related links:
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