CTD data with chemical and biological discrete samples from R/V Cape Hatteras cruise CH0711 in the Gulf of Mexico; 2007 (GoMX - N2 Fixation project)

<p>CTD Data with Chemical and Biological Discrete Samples<br />
Biological survey of phytoplankton in the northern Gulf of Mexico</p>
<p><b>Comments on parameter names, definitions and units: </b><br />
Depth (m)<br />
Salinity: practical salinity units<br />
Fluorescence:&nbsp; ~micrograms per liter.&nbsp; Calibrated by the ship's technician <br />
PE (phycoerthrin):&nbsp; micrograms per L.&nbsp; Not considered reliable, provided by the ship<br />
CDOM:&nbsp; mg per meter cubed.&nbsp; Provided by ship, not considered reliable.<br />
Oxygen: ship's sensor, ml or mg per L.&nbsp; calibrated by Technician.<br />
Beam attenuation:&nbsp; ship's equipment <br />
Chlorophyll: micrograms per liter<br />
Nutrient concentrations:&nbsp; micromoles per liter<br />
cell counts:&nbsp; cells per liter for all but Trichodesmium<br />
Trichodesmium:&nbsp; filaments per liter</p>