A close-interval sampler for collection of sediment pore waters for nutrient analyses |
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Authors: | John R Montgomery Mary T Price John Holt Carl Zimmermann |
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Institution: | 1. Harbor Branch Foundation, Inc., RR 1, Box 196, 33450, Ft. Pierce, Florida
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Abstract: | An in situ sediment pore water sampler is described. It can simultaneously and continuously sample at four discrete 1 cm levels at one location without disturbing the sediment or the sample. The sampler can maintain an anaerobic environment, and can be used over extended periods of time. Laboratory tests indicate 98 to 100 percent recoveries for ammonium, silicate, reactive phosphate, nitrate and nitrite. Vertical profiles for ammonium, reactive phosphate and silicate are shown from field studies. |
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