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Notes from the JR – September 2009 |
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The JR is the nickname for the scientific ocean drilling vessel JOIDES Resolution. |
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The JR has set sail on Expedition 324: Shatsky Rise. During this expedition, about 1500 km east of Japan, scientists are testing two different hypotheses about ocean plateau formation. Some scientists think plateaus like the Shatsky Rise were formed from plumes of magma rising from the EarthÕs mantle. Others think they result from the movements of plates. WhoÕs right? Hopefully this expedition will shed light on this question!
This newsletter includes updates on The JR’s missions and latest learning materials available at thejr.org
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Captain Peter Mowat
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A ship's bridge, or navigating bridge to be more precise, holds a fantastic array of equipment, publications, reference books, and operating manuals. Not only is it used for navigation, but it is also the command center during any emergency situation.
The new bridge on The JR has allowed us to catch up with the very latest in technology, with GPS and automatic identification systems integrated into the electronic charts and radars.
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Want to learn more, check out: http://joidesresolution.org/node/621
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Name: Nasseer Idrisi
Position: Educator at Sea
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Nasseer is serving as our Education Office for Expedition 324. He is currently on the research faculty at the University of the Virgin Islands studying connectivity of larval stages of coral reef organisms among reefs and their distributional patterns. Nasseer received his Ph.D. from the SUNY College of Environmental Science and Forestry, Syracuse, NY in 1997 and did his post-doctorate at the University of Miami, in Miami, FL in biological oceanography studying zooplankton dynamics in the Arabian Sea, in the Indian Ocean. |
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JOIDES Resolution Career Mosaic
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I was talking with Mike Widdowson about the process of interpreting the data from the cores recovered from the drill site. It is not an easy task. One uses the information gathered from a pin hole in the vertical to extrapolate over a landscape (or seascape) in the horizontal, thinking about it again, definitely not an easy task. But this is the task at hand.
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Mike said, its like a mosquito pricking an elephant and asking the mosquito to describe the elephant. Its a similar situation in oceanography, where we drop the CTD and collect temperature/salinity measurements over depth (in the vertical) and describe ocean layer structure in the horizontal, also not an easy task. But when we are able to make many measurements in the vertical and interpolate these points coupled with the scientific knowledge about the vertical/horizontal structure and dynamic processes that create these horizontal structures, we are more confident in drawing the lines between the points. I have to say though, its much easier in oceanography because its easier to poke holes in the water than it is to poke holes in the earth's crust!
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New Robot Travels Across The Seafloor
Like the robotic rovers Spirit and Opportunity, which wheeled tirelessly across the dusty surface of Mars, a new robot spent most of July traveling across the muddy ocean bottom, about 40 kilometers (25 miles) off the California coast.
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READ MORE >
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Site Survey Expedition Sea90E
For grades 3-12.
This great poster features the work of our 2007 Teacher at Sea on board the Sea90E site survey cruise in the Indian Ocean. Explore the ship’s track, bathymetry plots from the expedition, and science challenges faced by the crew along the way! Check out our blog to see what our current Teacher At Sea is doing.
JR Papercraft Model
For grades K-12.
Let your students assemble this fun papercraft model of The JR.
Find more classroom resources here
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Science Question:
Ocean drilling helps us understand:
a. Changes in Earth’s history
b. How CO2 has affected life on earth
c. Why the Arctic ice cap is melting
d. All of the above
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JR coloring sheets |
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This newsletter is brought to you by The Consortium for Ocean Leadership and Deep Earth Academy. Ocean Leadership is a nonprofit organization representing 97 leading ocean research and education institutions, aquaria and industry. The organization also manages ocean research and education programs in areas of scientific ocean drilling, ocean observing, ocean exploration, and ocean partnerships. Deep Earth Academy is the education arm of the scientific ocean drilling programs at Ocean Leadership. Deep Earth Academy uses exploration of the world around us as a model and strive to help students become better decision makers, problem solvers, science-literate citizens and stewards of our planet.
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