<div><p>Samples for standing stock and biological rate determinations were collected during early morning hydrocasts (~02:00 local time) using Niskin bottles on a CTD rosette. Experimental bottles were filled directly from the rosette bottles, placed into mesh bags, secured to an in situ array and the array deployed for 24 hours. Incubated samples were processed immediately after array recovery. Seawater samples (1.0 L) for biogenic silica analysis, were filtered through 0.6-um polycarbonate membranes, placed in cryovials, and dried in an oven for ~24 h. On shore, quantification of biogenic silica concentration was done using a NaOH digestion procedure in Teflon tubes, which provides low and stable blanks. The rate of net biogenic silica production was determined by the difference between biogenic silia concentration in initial whole seawater samples (no nutrient amendments or dilution, processed immediately) relative to those incubated for 24 h on the drift array. In small-volume bottles (i.e., <4 L) with a high surface-area to volume ratio, the biogenic silica adsorption to the bottle walls can be quantitatively significant, and without correction can lead to systematic errors in the calculated net rates. To minimize these effects for biogenic silica filtrations (i.e. initial or final), the bottles were rinsed three times with ~50 mL of 0.1-um filtered seawater per rinse, and the rinse volume was added to the volumes filtered.</p></div>
Water-column particulate biogenic silica and net rate of biogenic silica production measured on the MV1008 cruise.
<div><p>Water-column particulate biogenic silica and the net rate of biogenic silica production (i.e. gross production minus remineralization) measured on the MV1008 cruise in the Costa Rica Dome (CRD) region of the Eastern Tropical Pacific Ocean.</p></div>
Biogenic Silica - Profiles
<div><p>BCO-DMO Processing:<br />
- Modified parameter names to conform with BCO-DMO naming conventions.<br />
- Modified format of date field.<br />
- Replaced '-9999' with 'nd' to indicate 'no data'.</p></div>
556995
Biogenic Silica - Profiles
2015-04-23T14:18:27-04:00
2015-04-23T14:18:27-04:00
2023-07-07T16:10:26-04:00
urn:bcodmo:dataset:556995
Water-column particulate biogenic silica and net rate of biogenic silica production measured on R/V Melville cruise MV1008 in the Costa Rica Dome in 2010 (CRD FLUZiE project)
false
Landry, M. R. (2015) Water-column particulate biogenic silica and net rate of biogenic silica production measured on R/V Melville cruise MV1008 in the Costa Rica Dome in 2010 (CRD FLUZiE project). Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 23 April 2015) Version Date 2015-04-23 [if applicable, indicate subset used]. http://lod.bco-dmo.org/id/dataset/556995 [access date]
true
23 April 2015
false
2015-04-23
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