<div><p>Sampling was conducted aboard the R/V Neil Armstrong during a cruise in May 2017. Seawater was collected from Niskin bottles deployed on a rosette with a CTD. Samples were pre-filtered through a 0.2 micrometer filter into a 50 mL Falcon tube and frozen at -20 degrees C. Samples were shipped frozen to the University of Washington Marine Chemistry Laboratory. Samples were analyzed on a Technicon AAII Autoanalyzer. </p>
<p>Analytical methods (from <a href="https://www.ocean.washington.edu/story/Marine+Chemistry+Laboratory">https://www.ocean.washington.edu/story/Marine+Chemistry+Laboratory</a>):</p>
<table border="1" cellpadding="0" cellspacing="0"><tbody><tr><td>
<p><strong>Analysis</strong></p>
</td>
<td>
<p><strong>Method Reference</strong></p>
</td>
<td>
<p><strong>EPA/SM#</strong></p>
</td>
<td>
<p><strong>MELAC Code</strong></p>
</td>
</tr><tr><td>
<p><strong>PO4</strong></p>
</td>
<td>
<p>UNESCO(1994)</p>
</td>
<td>
<p>EPA 365.5_1.4_1997</p>
</td>
<td>
<p>WM920270</p>
</td>
</tr><tr><td>
<p><strong>Si(OH)4</strong></p>
</td>
<td>
<p>UNESCO(1994)</p>
</td>
<td>
<p>EPA 366</p>
</td>
<td>
<p>WM920240</p>
</td>
</tr><tr><td>
<p><strong>NO3</strong></p>
</td>
<td>
<p>UNESCO(1994)</p>
</td>
<td>
<p>EPA 353.4_2_1997</p>
</td>
<td>
<p>10068209</p>
</td>
</tr><tr><td>
<p><strong>NO2</strong></p>
</td>
<td>
<p>UNESCO(1994)</p>
</td>
<td>
<p>EPA 353.4_2_1997</p>
</td>
<td>
<p>10068209</p>
</td>
</tr><tr><td>
<p><strong>NH4</strong></p>
</td>
<td>
<p>UNESCO(1994)</p>
</td>
<td>
<p>EPA 349</p>
</td>
<td>
<p>WM920220</p>
</td>
</tr></tbody></table></div>
AE1812 water column phosphates
<div><p>This dataset includes water column nutrient data from RV/Neil Armstrong cruise AR16, May 2017: silicate, nitrate, nitrite, and ammonium concentrations.</p></div>
AR16 Water column nutrients
<div><p><strong>BCO-DMO Processing:</strong><br />
- added conventional header with dataset name, PI name, version date<br />
- modified parameter names to conform with BCO-DMO naming conventions<br />
- re-formatted date from m/d/yyyy to yyyy-mm-dd<br />
- added lat and lon for each cast from data provided in dataset AR16_Water_Column, id#754508</p></div>
762849
AR16 Water column nutrients
2019-03-21T09:22:22-04:00
2019-03-21T09:22:22-04:00
2023-07-07T16:10:26-04:00
urn:bcodmo:dataset:762849
Water column nutrient data from RV/Neil Armstrong cruise AR16, May 2017
This dataset includes water column nutrient data from RV/Neil Armstrong cruise AR16, May 2017: silicate, nitrate, nitrite, and ammonium concentrations.
false
Rynearson, T. (2019) Water column nutrient data from RV/Neil Armstrong cruise AR16, May 2017. Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 1) Version Date 2019-03-21 [if applicable, indicate subset used]. doi:10.1575/1912/bco-dmo.762849.1 [access date]
true
1
10.1575/1912/bco-dmo.762849.1
false
nutrients
nitrate
nitrite
ammonium
phosphate
silicate
2019-03-21
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