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     data   graph     files  public [ETNP 2012 McClane Pump POM] - Suspended Organic Particle concentration and stable C and N
isotopes (collected with McClane Pumps and GF/F filters) from the Eastern Tropical North
Pacific on the R/V Thompson cruise TN278 in April 2012 (The role of cryptic nutrient cycling
within sinking particles on trace element transport in oxygen minimum zones)
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The Dataset's Variables and Attributes

Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL cdm_data_type String Other
attribute NC_GLOBAL Conventions String COARDS, CF-1.6, ACDD-1.3
attribute NC_GLOBAL creator_email String info at bco-dmo.org
attribute NC_GLOBAL creator_name String BCO-DMO
attribute NC_GLOBAL creator_url String https://www.bco-dmo.org/ (external link)
attribute NC_GLOBAL doi String 10.26008/1912/bco-dmo.948746.1
attribute NC_GLOBAL Easternmost_Easting double -105.99
attribute NC_GLOBAL geospatial_lat_max double 20.19
attribute NC_GLOBAL geospatial_lat_min double 16.51
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double -105.99
attribute NC_GLOBAL geospatial_lon_min double -107.17
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL geospatial_vertical_max double 2500.0
attribute NC_GLOBAL geospatial_vertical_min double 15.0
attribute NC_GLOBAL geospatial_vertical_positive String down
attribute NC_GLOBAL geospatial_vertical_units String m
attribute NC_GLOBAL infoUrl String https://www.bco-dmo.org/dataset/948746 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL license String The data may be used and redistributed for free but is not intended
for legal use, since it may contain inaccuracies. Neither the data
Contributor, ERD, NOAA, nor the United States Government, nor any
of their employees or contractors, makes any warranty, express or
implied, including warranties of merchantability and fitness for a
particular purpose, or assumes any legal liability for the accuracy,
completeness, or usefulness, of this information.
attribute NC_GLOBAL Northernmost_Northing double 20.19
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL Southernmost_Northing double 16.51
attribute NC_GLOBAL summary String Suspended organic carbon and nitrogen concentrations and stable isotopes were obtained on the R/V Thompson cruise TN278 at St P2 (16.5 N 107.1 W; known as BB2 on this cruise) and at St P1 (20.1 N 106.0 W; known as BB1 on this cruise) in the Eastern Tropical North Pacific Oxygen Deficient Zone in April 2012. The Oxygen Deficient Zone extended from 105 m to 820 m at St P2 and from 95 to 800 m at St P1. Water was filtered onto 142 mm pre-combusted GF/F filters in situ using McClane pumps (on average ~300-500 L) in a depth profile. Two 21 mm diameter punches were obtained from each 142 mm filter and used for organic matter analysis. Sample punches were wafted with HCl overnight to remove carbonate and sent to the UC Davis Stable Isotope Facility (Davis, CA) for C and N analysis.

The purpose of this sampling was to quantify suspended organic matter in an offshore Oxygen Deficient Zone.

Jacquelyn Neibauer and Rick Keil of the University of Washington deployed the McClane pumps on the cruise. Jacquelyn Neibauer was in charge of prepping the samples. Megan Duffy and Clara Fuchsman of the University of Washington analyzed the data.
attribute NC_GLOBAL title String [ETNP 2012 McClane Pump POM] - Suspended Organic Particle concentration and stable C and N isotopes (collected with McClane Pumps and GF/F filters) from the Eastern Tropical North Pacific on the R/V Thompson cruise TN278 in April 2012 (The role of cryptic nutrient cycling within sinking particles on trace element transport in oxygen minimum zones)
attribute NC_GLOBAL Westernmost_Easting double -107.17
variable Sample   String  
attribute Sample long_name String Sample
attribute Sample units String unitless
variable St   String  
attribute St long_name String St
attribute St units String unitless
variable latitude   float  
attribute latitude _CoordinateAxisType String Lat
attribute latitude actual_range float 16.51, 20.19
attribute latitude axis String Y
attribute latitude ioos_category String Location
attribute latitude long_name String Latitude
attribute latitude standard_name String latitude
attribute latitude units String degrees_north
variable longitude   float  
attribute longitude _CoordinateAxisType String Lon
attribute longitude actual_range float -107.17, -105.99
attribute longitude axis String X
attribute longitude ioos_category String Location
attribute longitude long_name String Longitude
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
variable Date   String  
attribute Date long_name String Date
attribute Date units String unitless
variable depth   int  
attribute depth _CoordinateAxisType String Height
attribute depth _CoordinateZisPositive String down
attribute depth actual_range int 15, 2500
attribute depth axis String Z
attribute depth ioos_category String Location
attribute depth long_name String Depth
attribute depth positive String down
attribute depth standard_name String depth
attribute depth units String m
variable Nitrogen   float  
attribute Nitrogen actual_range float 0.01, 1.11
attribute Nitrogen long_name String Nitrogen
attribute Nitrogen units String micromolar (uM)
variable Carbon   float  
attribute Carbon actual_range float 0.05, 9.81
attribute Carbon long_name String Carbon
attribute Carbon units String micromolar (uM)
variable d15N_Air   float  
attribute d15N_Air actual_range float 7.72, 17.54
attribute d15N_Air long_name String D15n_air
attribute d15N_Air units String permil (0/00)
variable d13C_VPDB   float  
attribute d13C_VPDB actual_range float -26.82, -22.29
attribute d13C_VPDB long_name String D13c_vpdb
attribute d13C_VPDB units String permil (0/00)
variable C_to_N   float  
attribute C_to_N actual_range float 6.05, 11.43
attribute C_to_N long_name String C_to_n
attribute C_to_N units String unitless

The information in the table above is also available in other file formats (.csv, .htmlTable, .itx, .json, .jsonlCSV1, .jsonlCSV, .jsonlKVP, .mat, .nc, .nccsv, .tsv, .xhtml) via a RESTful web service.


 
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