Skip to content

The Mystery of the Second Lander

August 27, 2013

Originally posted on Deepwater Canyons:

The focus of this cruise was to retrieve four landers we deployed last year in Baltimore and Norfolk Canyons. Two of the landers were from UNCW and two from NIOZ, and they were placed at specific locations so we could collect a year’s worth of data on the physical parameters of the water at the bottom. Currently, three landers are on board. The second lander we tried to recover is still missing, but there is hope.

We communicate with the landers via a  “ping” — a sound sent at a constant frequency. The landers emit pings, which we can find by lowering a hydrophone into the water. We can also send a ping at a different frequency to give instructions to the landers, such as “release your ballast weights.”

On Friday, August 23, we sent a ping down to the first NIOZ lander telling it to release its weight. It popped…

View original 447 more words

No comments yet

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

Follow

Get every new post delivered to your Inbox.

Join 69 other followers

%d bloggers like this: