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August 29 @ 4:00 pm - 5:00 pm CDT

Current Research in EEPS Seminar: Dr. Phoebe Lam – University of California, Santa Cruz

Unexpected iron cycling at the Peru Margin

The GP16 Eastern Pacific Zonal Transect cruise from Peru to Tahiti in 2013 along 12-15°S crossed the large eastern tropical South Pacific oxygen deficient zone (ODZ) in the eastern half of the transect, which was expected to be an important source of dissolved iron into the ocean interior.  Contrary to expectations, there was no significant iron plume in the heart of the ODZ around 250 m that extended beyond the coastal margin, despite the ODZ penetrating several thousand of kilometers into the interior.  Surprisingly, a deep coastal iron plume in oxygenated waters centered around 2000 m was observed to penetrate >1000 km into the interior. In this talk, I examine the possible reasons behind the unexpected high Fe from the oxygenated deep slope relative to the more reducing ODZ above.

Details

Date:
August 29
Time:
4:00 pm - 5:00 pm
Event Category:

Details

Date:
August 29
Time:
4:00 pm - 5:00 pm
Event Category:

For outside visitors, the best way to get to our department is to come in on Rice Blvd and turn into entrance 20 (intersection of Rice and Kent St.). At the stop sign, you will see a visitor parking lot.  From there, walk east to the department.  The google map below shows exactly where our building is.