Simulated in situ production data from RVIB Nathaniel B. Palmer cruises NBP0103, NBP0104, NBP0202, and NBP0204 in the Southern Ocean from 2001-2002 (SOGLOBEC project)

<h2>Simulated in Situ Primary Production Data</h2>

<p><strong>Data Notes:</strong><br />
1..Cruise NBP0104. A total of only 6 SIS experiments were completed, due to freezing of the deck incubator. Ref: cruise report.<br />
2..PAR measurements. PAR was measured with a Biospherical Instruments GUV Radiometer (cosine-corrected downwelled irradiance) mounted on ship's science mast configured with PAR channels (400-700nm). PAR values are intergated over the duration of the in situ experiment. Ref: cruise reports</p>

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<p><strong>A short note on the \"Southern Ocean Grid System\":</strong><br />
The grid is a cartesian plane covering the sample region in which distances are easy to calculate. The grid system used for SOGLOBEC is a universal transverse mercator (UTM) projection with a certain base point and rotation. The base point was chosen in the far south and the rotation was chosen to create one axis along the peninsula, and the other offshore. The units of UTM are meters, but the points are chosen in km rounded to the nearest km. Negative numbers mean that samples were taken southwest of the y axis or southeast of the x axis. For more deatails see: <a href=\"http://globec.whoi.edu/so-dir/soglobec.grid.txt\"> Complete explanation of the Southern Ocean grid system. </a></p>

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<p><strong>Reference:</strong><br />
Smith, R.C., H. Dierssen, and M. Vernet. in press. Phytoplankton biomass and productivity to the west of the Antarctic Peninsula. In E.Hofmann, L. Quetin, and R. Ross (Eds.), <em> Foundations for ecosystem research in the western Antarctic Peninsula region.</em> Washington, D.C.: American Geophysical Union.</p>

<p><strong>Data contributed by:</strong><br />
Maria Vernet<br />
Integrative Oceanographic Division<br />
Scripps Institution of Oceanography<br />
University of California San Diego<br />
La Jolla, California 92093-0218</p>

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<em>Last updated: December 02, 2005; gfh</em></p>