Photo & Video Log
This page contains photos and videos taken during the
Thunder Bay Sinkholes 2008 exploration from September 2 – 12, 2008 on Lake Huron. Click on any image to view
a larger version and for additional information.
If a movie camera icon 
is
present, a QuickTime video can be viewed by clicking on the image. Other
video formats are available on the linked pages. If a Podcast icon 
is
present, a video or audio file is available for download or you can subscribe to the RSS Podcast Feed. 
If a slideshow icon 
is
present, a visual log of exploration images can be viewed. You can scroll
through them one by one, or select the play button for an automatic slideshow.
(HR) = "High Resolution" images available.
Video & Slideshows
September 10
View a video of a bottom-resting tripod as it is deployed near the Middle Island Sinkhole. (Quicktime, 2.6 Mb.)
September 5
View a video of the deployment of the Phantom ROV for exploration of the Isolated Sinkhole (Quicktime, 2.1 Mb.)
Images
September 12
Divers Joe Hoyt and Russ Green prepare to dive the Middle Island Sinkhole, assisted by Scott Kendall, Steve Nold, and Tom Joyce.
September 12
Andrew Yagiela and Jody Breen maneuver the Phantom ROV on the deck of the research vessel Laurentian, preparing for operations.
September 12
The Thunder Bay National Marine Sanctuary Field Station in Alpena, Michigan.
September 12
Sunset over Lake Huron as viewed from the research vessel Laurentian.
September 11
Thunder Bay National Marine Sanctuary diver Russ Green explores the wreck of the 19th century schooner Barney.
September 11
A part of the German freighter Nordmeer still protrudes from the waters of Lake Huron in the Thunder Bay National Marine Sanctuary.
September 11
A scientist sets up a respiration chamber experiment near the purple microbial mats.
September 10
A bottom-resting tripod, equipped with a suite of sensors, sits on the deck of the R/V Laurentian, awaiting deployment near the Isolated Sinkhole.
September 10
Scientists prepare to deploy a tripod near the Middle Island Sinkhole.
September 10
Out near the Isolated Sinkhole, a sensor that measures turbidity (transmissometer) is recovered from a previously deployed tripod.
September 9
A scientist discusses groundwater data collection with the OE data manager.
September 9
A conductivity-temperature-depth (CTD) sensor is deployed near the Middle Island Sinkhole.
September 9
Experiencing data collection first hand, scientists watch the piloting of the Phantom ROV.
September 8
Lighthouse on Middle Island in Lake Huron.
September 8
A juvenile cormorant investigates the ROV, while the R/V Laurentian is anchored over the Isolated Sinkhole.
September 8
A basic diagram of how groundwater flows into Lake Huron's sinkholes.
September 8
Sunrise over Lake Huron.
September 7
The ROV's umbilical pumps groundwater from the bottom of the sinkhole to the surface for sample collection.
September 7
Groundwater samples collected for future analysis will be tested for radium, chlorine, oxygen, and hydrogen.
September 7
Steve Ruberg and Tom Novell hold samples of water to be used for radioactive chlorine analysis.
September 6
The crew of the R/V Laurentian prepare to deploy a gravity core down 93 meters.
September 6
A scientist removes sediment sample from the gravity core for later analysis.
September 5
The Phantom S2 ROV deployed in Lake Huron.
September 5
Recovery of the Phantom S2 ROV after a dive to the Isolated Sinkhole.
September 5
A scientist controls the Phantom S2 ROV from the R/V Laurentian.
September 5
A close look at the Phantom S2 just prior to deployment.
September 4
A "finger" collected September 3 from the Middle Island Sinkhole.
September 3
Benthic core to be used for isotope dating.
