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Chemical Nutrient Concentrations and Their Relationship to Internal Waves and Turbidity Off Southern California

F. A. J. Armstrong and E. C. LaFond
Limnology and Oceanography
Vol. 11, No. 4 (Oct., 1966), pp. 538-547
Stable URL: http://www.jstor.org/stable/2833251
Page Count: 10
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Chemical Nutrient Concentrations and Their Relationship to Internal Waves and Turbidity Off Southern California
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Abstract

Concentrations of silicate and nitrate, temperature, and per cent transmission of white light were simultaneously recorded from a position in 18 m of water off Mission Beach, California. During a 3-day period in May, vertical distributions of these properties were redorded on four occasions. They showed differences between suface and bottom of 4-6C, 10-25% T, and 17 μ g-at. Si/liter or 14 μ g-at. NO3 - -N/liter, with all the variables changing correspondingly with depth. Two continuous records of about 18 hr showed correlated fluctuations in temperature, turbidity, and nutrients, with ranges of about 3C, 30% T, and of 14 μ g-at. Si/liter or 7 μ g-at. NO3 - -N/liter, respectively. These corresponded to internal waves up to 5 m high with periods of around 10 min.

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