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Three divers work on an instrument under frozen sea ice.

Date Taken:

October 29, 2014

Photograph By:

Steve Rupp

License Type:

Creative Commons CC BY-NC-ND 4.0.

US Antarctic Program divers Rob Robbins, Brenda Konar and Amanda Kelley collect a calibration sample for a Sea-FET instrument, an autonomous pH oceanographic sensor located at Cape Evans, McMurdo Sound, Antarctica, for a project studying ocean acidification. Research from this project, led by Gretchen Hofmann at the University of California, Santa Barbara, resulted in the first-ever continuous time-series pH data from the Southern Ocean, setting a benchmark for monitoring future changes to the this pristine marine ecosystem. This photo was taken at a depth of about 70-80 feet.

Associated Keywords

CC BY-NC-ND 4.0., Creative Commons, Divers, Mcmurdo Sound, NSF, Ocean Acidification, Oceans, Sea Ice

By downloading this image, you agree to be bound by the terms and conditions of the image license.

This photo is in the public domain.

Photos whose copyright has expired or were taken by government employees as part of their job duties are considered to be in the public domain. Public domain works are not subject to copyright laws. Anyone may download these photos and use them freely, even for commercial purposes.

Attribution is not legally required for public domain photos but is strongly recommended.

This photo is covered by a Creative Commons license. Please see the Usage and Submissions page for more information. Use of this photo requires the following:

(1.) The user must give appropriate credit to the photographer and the National Science Foundation (NSF) and provide a link to the Creative Commons license. (2.) Use of the photo must be for non-commercial purposes only. (3.) No derivative works may be made with the original photo without the explicit permission of the photographer.

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