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New Meetup: Intermediate Metridium Fields Navigation Dives

From: David D.
Sent on: Tuesday, January 26, 2010 8:03 AM
Announcing a new Meetup for The Greater Bay Area Scuba Lovers Meetup!

What: Intermediate Metridium Fields Navigation Dives

When: Sunday, January 31,[masked]:00 AM

Cannery Row x Foam St Monterey, CA
Monterey, CA 93940

Metridium Fields is a great dive for practicing our navigation skills. There is surface navigation to select the descent point at the intersection of hypothetical lines drawn with the imagination between points we observe in the distance. We will brief and practice using our compass to take bearings on those landmarks and calculate whether we have the alignment we seek. Anyone without a compass will be buddied with a compass bearing diver, we hope you realize enough during this dive to want to add a compass to your dive kit.

The second navigation waypoint is gathering on the bottom, then heading north to find the nearby cannery pipe. Depending on exactly where we descend, the cannery pipe may be very close. Remember the cannery pipe, it is the core of the dive plan for the scond dive. Swimming north is important on this dive but those without compass will have plenty to follow and need not be concerned.

The third waypoint is swimming to the far end of the cannery pipe. Then we swim north to Metridium Fields where we avoid becoming distracted by the first outcrop. Beyond the first outcrop we reach an area where we can see multiple outcrops with Metridium. Wonder what came first with these rocky outcrops: Metridium or no kelp on these outcrops? Anyone know enough about life history of these organisms and their relative aggressive natures?

With enough remaining air, we will follow the cannery pipe to its shoreward end. We will mark the depth and if air allows we will shoot a surface marker buoy (SMB) that we tie off on the bottom. We will ascend from this point and work out navigation aids to find this location again without the aid of a set SMB.

Second dive will be to explore the cannery pipe. We intend to descend on the shallow end and remain in sight of the pipe throughout the dive. We have not done a dive dedicated to the cannery pipe so this dive is intended for exploration and learning. Features like this abandoned cannery pipe represent habitat that could be occupied by interesting creatures. This could be a good environment to know for a night dive in the future.

Let?s keep our eyes open to find the interesting creatures. Look close to remember features of what of what we see. After the dives, let?s look through some books together to try to identify what we have seen. A camera can help us keep straight what we have seen so bring one along if you?ve got one suited to underwater.

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