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     data   graph     files  public [GP15 Nitrate d15N and d18O Leg 1] - Nitrate d15N and d18O from Niskin bottle samples
collected on Leg 1 (Seattle, WA to Hilo, HI) of the US GEOTRACES Pacific Meridional
Transect (PMT) cruise (GP15, RR1814) on R/V Roger Revelle from September to October 2018 (US
GEOTRACES Pacific Meridional Transect (GP15))
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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.928002.1
attribute NC_GLOBAL Easternmost_Easting double -151.9995
attribute NC_GLOBAL geospatial_lat_max double 56.0585
attribute NC_GLOBAL geospatial_lat_min double 19.6808
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double -151.9995
attribute NC_GLOBAL geospatial_lon_min double -156.9628
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL geospatial_vertical_max double 5568.36
attribute NC_GLOBAL geospatial_vertical_min double 3.77
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/928002 (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 56.0585
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL Southernmost_Northing double 19.6808
attribute NC_GLOBAL summary String These data include nitrate δ15N and δ18O along US GEOTRACES GP15, a meridional transect at ~152°W in the Pacific Ocean. The Pacific hosts significant rates of all the fluxes that are relevant to the global N cycle: the N budget fluxes (those that either generate or consume fixed N; N2 fixation and denitrification) as well as the N fluxes from the internal N cycle (those that generate or consume nitrate but leave the fixed N pool unaltered; nitrate regeneration and assimilation). The nitrate δ15N and δ18O provide a useful tool to separate and possibly quantify the overlapping impacts of all these co-occurring processes.

GP15 was a 60-day research cruise that took place in 2018 along a transect form Alaska to Tahiti at 152° W on board of the R/V Revelle. The cruise was completed in two legs (RR1814 and RR1815), which started on the 18th of September and on the 24th of October 2018, respectively. This dataset includes data from Leg 1 (RR1814). Leg 2 data (RR1815) are provided in a separate, related dataset.
attribute NC_GLOBAL time_coverage_end String 2018-10-21T15:03:00Z
attribute NC_GLOBAL time_coverage_start String 2018-09-24T11:20:00Z
attribute NC_GLOBAL title String [GP15 Nitrate d15N and d18O Leg 1] - Nitrate d15N and d18O from Niskin bottle samples collected on Leg 1 (Seattle, WA to Hilo, HI) of the US GEOTRACES Pacific Meridional Transect (PMT) cruise (GP15, RR1814) on R/V Roger Revelle from September to October 2018 (US GEOTRACES Pacific Meridional Transect (GP15))
attribute NC_GLOBAL Westernmost_Easting double -156.9628
variable Station_ID   String  
attribute Station_ID long_name String Station_id
attribute Station_ID units String unitless
variable Event_ID   int  
attribute Event_ID actual_range int 6520, 6768
attribute Event_ID long_name String Event_id
attribute Event_ID units String unitless
variable Start_Date_UTC   String  
attribute Start_Date_UTC long_name String Start_date_utc
attribute Start_Date_UTC units String unitless
variable Start_Time_UTC   String  
attribute Start_Time_UTC long_name String Start_time_utc
attribute Start_Time_UTC units String unitless
variable time   double  
attribute time _CoordinateAxisType String Time
attribute time actual_range double 1.537788E9, 1.54013418E9
attribute time axis String T
attribute time ioos_category String Time
attribute time long_name String Start_iso_datetime_utc
attribute time standard_name String time
attribute time time_origin String 01-JAN-1970 00:00:00
attribute time units String seconds since 1970-01-01T00:00:00Z
variable End_Date_UTC   String  
attribute End_Date_UTC long_name String End_date_utc
attribute End_Date_UTC units String unitless
variable End_Time_UTC   String  
attribute End_Time_UTC long_name String End_time_utc
attribute End_Time_UTC units String unitless
variable End_ISO_DateTime_UTC   double  
attribute End_ISO_DateTime_UTC actual_range double 1.537788E9, 1.54013712E9
attribute End_ISO_DateTime_UTC ioos_category String Time
attribute End_ISO_DateTime_UTC long_name String End_iso_datetime_utc
attribute End_ISO_DateTime_UTC time_origin String 01-JAN-1970 00:00:00
attribute End_ISO_DateTime_UTC units String seconds since 1970-01-01T00:00:00Z
variable latitude   float  
attribute latitude _CoordinateAxisType String Lat
attribute latitude actual_range float 19.6808, 56.0585
attribute latitude axis String Y
attribute latitude ioos_category String Location
attribute latitude long_name String Start_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 -156.9628, -151.9995
attribute longitude axis String X
attribute longitude ioos_category String Location
attribute longitude long_name String Start_longitude
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
variable End_Latitude   float  
attribute End_Latitude actual_range float 19.6808, 56.0585
attribute End_Latitude long_name String End_latitude
attribute End_Latitude units String degrees_north
variable End_Longitude   float  
attribute End_Longitude actual_range float -156.9628, -151.9994
attribute End_Longitude long_name String End_longitude
attribute End_Longitude units String degrees_east
variable Sample_ID   int  
attribute Sample_ID actual_range int 12348, 13883
attribute Sample_ID long_name String Sample_id
attribute Sample_ID units String unitless
variable depth   float  
attribute depth _CoordinateAxisType String Height
attribute depth _CoordinateZisPositive String down
attribute depth actual_range float 3.77, 5568.36
attribute depth axis String Z
attribute depth ioos_category String Location
attribute depth long_name String Sample_depth
attribute depth positive String down
attribute depth standard_name String depth
attribute depth units String m
variable NITRATE_15_14_D_DELTA_BOTTLE_lnw6zq   float  
attribute NITRATE_15_14_D_DELTA_BOTTLE_lnw6zq actual_range float 3.95, 24.83
attribute NITRATE_15_14_D_DELTA_BOTTLE_lnw6zq long_name String Nitrate_15_14_d_delta_bottle_lnw6zq
attribute NITRATE_15_14_D_DELTA_BOTTLE_lnw6zq units String per mil versus air
variable SD1_NITRATE_15_14_D_DELTA_BOTTLE_lnw6zq   float  
attribute SD1_NITRATE_15_14_D_DELTA_BOTTLE_lnw6zq actual_range float 0.0, 0.64
attribute SD1_NITRATE_15_14_D_DELTA_BOTTLE_lnw6zq long_name String Sd1_nitrate_15_14_d_delta_bottle_lnw6zq
attribute SD1_NITRATE_15_14_D_DELTA_BOTTLE_lnw6zq units String per mil versus air
variable Flag_NITRATE_15_14_D_DELTA_BOTTLE_lnw6zq   int  
attribute Flag_NITRATE_15_14_D_DELTA_BOTTLE_lnw6zq actual_range int 1, 1
attribute Flag_NITRATE_15_14_D_DELTA_BOTTLE_lnw6zq long_name String Flag_nitrate_15_14_d_delta_bottle_lnw6zq
attribute Flag_NITRATE_15_14_D_DELTA_BOTTLE_lnw6zq units String unitless
variable NITRATE_18_16_D_DELTA_BOTTLE_no8ude   float  
attribute NITRATE_18_16_D_DELTA_BOTTLE_no8ude actual_range float 1.9, 24.52
attribute NITRATE_18_16_D_DELTA_BOTTLE_no8ude long_name String Nitrate_18_16_d_delta_bottle_no8ude
attribute NITRATE_18_16_D_DELTA_BOTTLE_no8ude units String per mil versus VSMOW
variable SD1_NITRATE_18_16_D_DELTA_BOTTLE_no8ude   float  
attribute SD1_NITRATE_18_16_D_DELTA_BOTTLE_no8ude actual_range float 0.0, 0.68
attribute SD1_NITRATE_18_16_D_DELTA_BOTTLE_no8ude long_name String Sd1_nitrate_18_16_d_delta_bottle_no8ude
attribute SD1_NITRATE_18_16_D_DELTA_BOTTLE_no8ude units String per mil versus VSMOW
variable Flag_NITRATE_18_16_D_DELTA_BOTTLE_no8ude   int  
attribute Flag_NITRATE_18_16_D_DELTA_BOTTLE_no8ude actual_range int 1, 1
attribute Flag_NITRATE_18_16_D_DELTA_BOTTLE_no8ude long_name String Flag_nitrate_18_16_d_delta_bottle_no8ude
attribute Flag_NITRATE_18_16_D_DELTA_BOTTLE_no8ude units String unitless
variable Comment   String  
attribute Comment long_name String Comment
attribute Comment 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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