Grateful acknowledgement is made to the following sources for permission to reproduce material in this course:
Except for third party materials and otherwise stated (see Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence), this content is made available under a
Course image: Scott Darbey in Flickr made available under Creative Commons Attribution-NonCommercial-ShareAlike 2.0 Licence.
The material below is contained in Peasgood A., and Goodwin, M., first published 2007. Introducing Environment, published by Oxford University Press in association with The Open University. © 2008. This book forms part of The Open University course Y161 Introducing Environment.
Figure 2: OAR/National Undersea Research Program (NURP)/NOAA;
Figure 3: Photo By Woods Hole Oceanographic Institution.
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