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| The Secci disc and Forel color scale |
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| Colors range from deep blue to yellow (the waters richest in plankton cells). |
| Student ready to drop... |
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| ...His homemade hydrophone over the side to record underwater sounds. |
| The marine science class... |
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| ...during a twilight cruise aboard the Fury, out of Long Beach, CA |
| Student observes the fathometer... |
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| ...An instrument which charts the sea floor while the ship is in motion. |
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Byron E. Jordan, EdD, Author
Marine Science Educator
16722 Pineridge Drive
Granada Hills, CA 91344-1850
Phone/Fax: 818-366-2371
Last updated:
| The Restless Sea |
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