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Water-column Carbohydrate Percentages Measured during the JGOFS Equatorial Pacific Process Study

Listed in NASA Earthdata CMR

The Equatorial Pacific Process Study (EQPAC) was conducted along 140 deg W longitude during 1992.

Description

Four cruises took place: February 3 - March 9, March 19 - April 15, August 5 - September 18, and September 24 - October 21. A fifth benthic cruise and sediment trap legs were added.

During the first cruise (TT007), 15 stations were occupied along 140 deg W longitude from 12 deg N latitude to 12 deg S latitude. During the second cruise (TT008), data were collected at 8 stations along 140 deg W longitude from 9 deg S latitude to 9 deg N latitude. During the third cruise (TT011), data were collected at 15 stations along 140 deg W from 12 deg N latitude to 12 deg S latitude.

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During the fourth cruise (TT012), data were collected at 5 stations along 140 deg W longitude from 17 deg S latitude to the equator. Carbohydrate percentages (weight percent of total carbohydrates) were measured from floating sediment trap samples (carbFST) and from plankton tows (carbPT). The following carbohydrates were measured: lyxose, arabinose, rhamnose, ribose, xylose, fucose, mannose, galactose, glucose, and total carbohydrates normalized to organic carbon (mg/100mg of organic carbon).

In addition, the following parameters were also measured: particulate organic carbon, particulate inorganic carbon, total particulate nitrogen, and total flux of particulate matter. The data is public domain and can be retrieved on-line at "usjgofs.whoi.edu/jg/dir/jgofs/" [The information in this summary was taken from the JGOFS World Wide Web pages.]

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Climate change science 68%
Provenance · 1 source records, 20 field assertions
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NASA Earthdata CMRC1214605624-SCIOPS13 d agoJSON v1
FieldAssertionExtractorEvidence
access_levelsource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[field].anzsrc:group:3702enrichment · NASA CMRtaxonomy-embedding@1.1.0title+keywords+description (68%)
concepts[instrument].gcmd_instrument:plankton-netssource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[instrument].gcmd_instrument:sediment-trapssource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/oceans/marine-sediments/biogenic-sediments/carbohydratessource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/oceans/marine-sediments/particle-flux/particulate-fluxsource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/oceans/marine-sediments/sedimentationsource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/oceans/marine-sediments/suspended-solidssource · NASA CMRconnector:nasa_cmr@1.0.0
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concepts[measured_variable].gcmd:earth-science/oceans/ocean-chemistry/nutrientssource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/oceans/ocean-chemistry/organic-carbon/particulate-organic-carbonsource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/oceans/ocean-chemistry/organic-mattersource · NASA CMRconnector:nasa_cmr@1.0.0
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