| Summary |
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| • | Nitrate,
phosphate, and silica increased 20-40% in the |
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| upper
water column between cruises. |
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| • | Ammonia
declined strongly (~60%) in the upper water |
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| column
between cruises. |
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| • | Very
high standing stock of ammonia in Marguerite |
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| Bay |
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| – | ~500 µmol/m2 |
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| – | possibly
drifted to southwest during cruise 103 |
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| – | declined
~3-fold between cruises |
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| • | Nutrient
remineralization (nitrification) possible but |
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| difficult
to explain quantitatively |
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| • | No
attempt to correct for circulation effects |
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