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Title Sum-
Institution Dataset ID
   set  data   graph     files  public CTD data from AT39-01 (North Pond 2017 expedition) from the R/V Atlantis in the central North
Atlantic during October 2017
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The Dataset's Variables and Attributes

Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL access_formats String .htmlTable,.csv,.json,.mat,.nc,.tsv,.esriCsv,.geoJson,.odvTxt
attribute NC_GLOBAL acquisition_description String Software Version Seasave V 7.23.2
attribute NC_GLOBAL awards_0_award_nid String 700308
attribute NC_GLOBAL awards_0_award_number String OCE-1635208
attribute NC_GLOBAL awards_0_data_url String https://www.nsf.gov/awardsearch/showAward?AWD_ID=1635208 (external link)
attribute NC_GLOBAL awards_0_funder_name String NSF Division of Ocean Sciences
attribute NC_GLOBAL awards_0_funding_acronym String NSF OCE
attribute NC_GLOBAL awards_0_funding_source_nid String 355
attribute NC_GLOBAL awards_0_program_manager String Michael E. Sieracki
attribute NC_GLOBAL awards_0_program_manager_nid String 50446
attribute NC_GLOBAL awards_1_award_nid String 700309
attribute NC_GLOBAL awards_1_award_number String OCE-1635365
attribute NC_GLOBAL awards_1_data_url String https://www.nsf.gov/awardsearch/showAward?AWD_ID=1635365 (external link)
attribute NC_GLOBAL awards_1_funder_name String NSF Division of Ocean Sciences
attribute NC_GLOBAL awards_1_funding_acronym String NSF OCE
attribute NC_GLOBAL awards_1_funding_source_nid String 355
attribute NC_GLOBAL awards_1_program_manager String Michael E. Sieracki
attribute NC_GLOBAL awards_1_program_manager_nid String 50446
attribute NC_GLOBAL awards_2_award_nid String 707761
attribute NC_GLOBAL awards_2_award_number String OCE-1536539
attribute NC_GLOBAL awards_2_data_url String http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1536539 (external link)
attribute NC_GLOBAL awards_2_funder_name String NSF Division of Ocean Sciences
attribute NC_GLOBAL awards_2_funding_acronym String NSF OCE
attribute NC_GLOBAL awards_2_funding_source_nid String 355
attribute NC_GLOBAL awards_2_program_manager String Barbara Ransom
attribute NC_GLOBAL awards_2_program_manager_nid String 661067
attribute NC_GLOBAL awards_3_award_nid String 707766
attribute NC_GLOBAL awards_3_award_number String OCE-1536601
attribute NC_GLOBAL awards_3_data_url String http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1536601 (external link)
attribute NC_GLOBAL awards_3_funder_name String NSF Division of Ocean Sciences
attribute NC_GLOBAL awards_3_funding_acronym String NSF OCE
attribute NC_GLOBAL awards_3_funding_source_nid String 355
attribute NC_GLOBAL awards_3_program_manager String Barbara Ransom
attribute NC_GLOBAL awards_3_program_manager_nid String 661067
attribute NC_GLOBAL awards_4_award_nid String 707769
attribute NC_GLOBAL awards_4_award_number String OCE-1536623
attribute NC_GLOBAL awards_4_data_url String http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1536623 (external link)
attribute NC_GLOBAL awards_4_funder_name String NSF Division of Ocean Sciences
attribute NC_GLOBAL awards_4_funding_acronym String NSF OCE
attribute NC_GLOBAL awards_4_funding_source_nid String 355
attribute NC_GLOBAL awards_4_program_manager String Barbara Ransom
attribute NC_GLOBAL awards_4_program_manager_nid String 661067
attribute NC_GLOBAL awards_5_award_nid String 707772
attribute NC_GLOBAL awards_5_award_number String OCE-1634025
attribute NC_GLOBAL awards_5_data_url String http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1634025 (external link)
attribute NC_GLOBAL awards_5_funder_name String NSF Division of Ocean Sciences
attribute NC_GLOBAL awards_5_funding_acronym String NSF OCE
attribute NC_GLOBAL awards_5_funding_source_nid String 355
attribute NC_GLOBAL awards_5_program_manager String Barbara Ransom
attribute NC_GLOBAL awards_5_program_manager_nid String 661067
attribute NC_GLOBAL awards_6_award_nid String 720167
attribute NC_GLOBAL awards_6_award_number String OCE-1745589
attribute NC_GLOBAL awards_6_data_url String http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1745589 (external link)
attribute NC_GLOBAL awards_6_funder_name String NSF Division of Ocean Sciences
attribute NC_GLOBAL awards_6_funding_acronym String NSF OCE
attribute NC_GLOBAL awards_6_funding_source_nid String 355
attribute NC_GLOBAL awards_6_program_manager String Michael E. Sieracki
attribute NC_GLOBAL awards_6_program_manager_nid String 50446
attribute NC_GLOBAL awards_7_award_nid String 721821
attribute NC_GLOBAL awards_7_award_number String OCE-1636402
attribute NC_GLOBAL awards_7_data_url String http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=1636402 (external link)
attribute NC_GLOBAL awards_7_funder_name String NSF Division of Ocean Sciences
attribute NC_GLOBAL awards_7_funding_acronym String NSF OCE
attribute NC_GLOBAL awards_7_funding_source_nid String 355
attribute NC_GLOBAL awards_7_program_manager String David L. Garrison
attribute NC_GLOBAL awards_7_program_manager_nid String 50534
attribute NC_GLOBAL cdm_data_type String Other
attribute NC_GLOBAL comment String CTD data from AT39-01 (North Pond 2017 expedition)
PI: Grieg F. Steward
Version: 2019-03-06
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_type String institution
attribute NC_GLOBAL creator_url String https://www.bco-dmo.org/ (external link)
attribute NC_GLOBAL data_source String extract_data_as_tsv version 2.3 19 Dec 2019
attribute NC_GLOBAL date_created String 2019-03-06T18:47:32Z
attribute NC_GLOBAL date_modified String 2019-03-07T14:07:51Z
attribute NC_GLOBAL defaultDataQuery String &time<now
attribute NC_GLOBAL doi String 10.1575/1912/bco-dmo.757722.1
attribute NC_GLOBAL Easternmost_Easting double -46.0507
attribute NC_GLOBAL geospatial_lat_max double 22.81
attribute NC_GLOBAL geospatial_lat_min double 22.7553
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double -46.0507
attribute NC_GLOBAL geospatial_lon_min double -46.0817
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL geospatial_vertical_max double 4475.0
attribute NC_GLOBAL geospatial_vertical_min double 2.0
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/757722 (external link)
attribute NC_GLOBAL institution String BCO-DMO
attribute NC_GLOBAL instruments_0_acronym String CTD SBE 911plus
attribute NC_GLOBAL instruments_0_dataset_instrument_description String Sea-Bird SBE 9 Data File
attribute NC_GLOBAL instruments_0_dataset_instrument_nid String 757737
attribute NC_GLOBAL instruments_0_description String The Sea-Bird SBE 911plus is a type of CTD instrument package for continuous measurement of conductivity, temperature and pressure. The SBE 911plus includes the SBE 9plus Underwater Unit and the SBE 11plus Deck Unit (for real-time readout using conductive wire) for deployment from a vessel. The combination of the SBE 9plus and SBE 11plus is called a SBE 911plus. The SBE 9plus uses Sea-Bird's standard modular temperature and conductivity sensors (SBE 3plus and SBE 4). The SBE 9plus CTD can be configured with up to eight auxiliary sensors to measure other parameters including dissolved oxygen, pH, turbidity, fluorescence, light (PAR), light transmission, etc.). more information from Sea-Bird Electronics
attribute NC_GLOBAL instruments_0_instrument_external_identifier String https://vocab.nerc.ac.uk/collection/L22/current/TOOL0058/ (external link)
attribute NC_GLOBAL instruments_0_instrument_name String CTD Sea-Bird SBE 911plus
attribute NC_GLOBAL instruments_0_instrument_nid String 591
attribute NC_GLOBAL instruments_0_supplied_name String Sea-Bird SBE 9
attribute NC_GLOBAL instruments_1_acronym String ECO AFL/FL
attribute NC_GLOBAL instruments_1_dataset_instrument_description String WET Labs ECO-AFL/FL
Serial No.: FLTURT-964
Calibration Date: 22-Nov-16
attribute NC_GLOBAL instruments_1_dataset_instrument_nid String 757739
attribute NC_GLOBAL instruments_1_description String The Environmental Characterization Optics (ECO) series of single channel fluorometers delivers both high resolution and wide ranges across the entire line of parameters using 14 bit digital processing. The ECO series excels in biological monitoring and dye trace studies. The potted optics block results in long term stability of the instrument and the optional anti-biofouling technology delivers truly long term field measurements.
more information from Wet Labs
attribute NC_GLOBAL instruments_1_instrument_external_identifier String https://vocab.nerc.ac.uk/collection/L22/current/TOOL0172/ (external link)
attribute NC_GLOBAL instruments_1_instrument_name String Wet Labs ECO-AFL/FL Fluorometer
attribute NC_GLOBAL instruments_1_instrument_nid String 592
attribute NC_GLOBAL instruments_1_supplied_name String WET Labs ECO-AFL/FL
attribute NC_GLOBAL instruments_2_acronym String WL CSTAR Trans
attribute NC_GLOBAL instruments_2_dataset_instrument_description String WET Labs C Star
serial number: CST-854DR
caibration date: 8-Dec-16
attribute NC_GLOBAL instruments_2_dataset_instrument_nid String 757738
attribute NC_GLOBAL instruments_2_description String A highly integrated opto-electronic design to provide a low cost, compact solution for underwater measurements of beam transmittance. The instrument is capable of either free space measurements, or through the use of an optical flow tube, flow-through sampling with a pump. It can be used in profiling, moored, or underway applications. more information from Wet Labs
attribute NC_GLOBAL instruments_2_instrument_external_identifier String https://vocab.nerc.ac.uk/collection/L22/current/TOOL0160/ (external link)
attribute NC_GLOBAL instruments_2_instrument_name String Wet Labs CSTAR Transmissometer
attribute NC_GLOBAL instruments_2_instrument_nid String 593
attribute NC_GLOBAL instruments_2_supplied_name String WET Labs C Star
attribute NC_GLOBAL instruments_3_acronym String WETLabs ECO-FLNTU
attribute NC_GLOBAL instruments_3_dataset_instrument_description String WET Labs, ECO-NTU
Serial no.: FLTURT-964
Calibration date: 22-Nov-16
attribute NC_GLOBAL instruments_3_dataset_instrument_nid String 757740
attribute NC_GLOBAL instruments_3_description String The ECO FLNTU is a dual-wavelength, single-angle sensor for simultaneously determining both chlorophyll fluorescence and turbidity.
attribute NC_GLOBAL instruments_3_instrument_external_identifier String https://vocab.nerc.ac.uk/collection/L22/current/TOOL0215/ (external link)
attribute NC_GLOBAL instruments_3_instrument_name String WETLabs ECO-FLNTU
attribute NC_GLOBAL instruments_3_instrument_nid String 601
attribute NC_GLOBAL instruments_3_supplied_name String WET Labs, ECO-NTU
attribute NC_GLOBAL keywords String altimetry, bco, bco-dmo, biological, cast, cast_id, cast_no, chemical, cond, cond_2, data, dataset, density, density_2, depth, dmo, erddap, flag, fluor, laboratory, latitude, longitude, management, O2, O2_v, oceanography, office, oxygen, preliminary, press, sal, sal_2, satellite, sound, sound_vel, sound_vel_2, temp_2, temperature, time, trans, turbidity, v, vel
attribute NC_GLOBAL license String https://www.bco-dmo.org/dataset/757722/license (external link)
attribute NC_GLOBAL metadata_source String https://www.bco-dmo.org/api/dataset/757722 (external link)
attribute NC_GLOBAL Northernmost_Northing double 22.81
attribute NC_GLOBAL param_mapping String {'757722': {'lat': 'flag - latitude', 'time_utc': 'flag - time', 'depth': 'flag - depth', 'lon': 'flag - longitude'}}
attribute NC_GLOBAL parameter_source String https://www.bco-dmo.org/mapserver/dataset/757722/parameters (external link)
attribute NC_GLOBAL people_0_affiliation String University of Hawaii at Manoa
attribute NC_GLOBAL people_0_affiliation_acronym String SOEST
attribute NC_GLOBAL people_0_person_name String Grieg Steward
attribute NC_GLOBAL people_0_person_nid String 51455
attribute NC_GLOBAL people_0_role String Principal Investigator
attribute NC_GLOBAL people_0_role_type String originator
attribute NC_GLOBAL people_1_affiliation String Woods Hole Oceanographic Institution
attribute NC_GLOBAL people_1_affiliation_acronym String WHOI BCO-DMO
attribute NC_GLOBAL people_1_person_name String Mathew Biddle
attribute NC_GLOBAL people_1_person_nid String 708682
attribute NC_GLOBAL people_1_role String BCO-DMO Data Manager
attribute NC_GLOBAL people_1_role_type String related
attribute NC_GLOBAL project String Subseafloor Microbial Carbon Cycling,North Pond 2017,North Pond Viruses
attribute NC_GLOBAL projects_0_acronym String Subseafloor Microbial Carbon Cycling
attribute NC_GLOBAL projects_0_description String NSF abstract:
The global ocean comprises Earth’s largest microbiome, with at least half of the ocean’s microbial biomass occurring beneath the ocean floor. In particular, oceanic crust encompasses the largest aquifer on Earth, with a liquid volume equal to approximately 2% of the ocean’s volume. It also harbors a substantial reservoir of microbial life that may influence global-scale biogeochemical cycles. This project investigates this largest actively flowing aquifer system on Earth- the fluids circulating through oceanic crust underlying the oceans and sediments. Despite advancing knowledge about life in the deep ocean, the understanding of microorganisms in the rocky oceanic crust and the fluids flowing through it remains rudimentary. This project is focused on understanding the linkages between microbial activity and the cycling of carbon in the cool, subseafloor biosphere. The balance between organic carbon-consuming and organic carbon-producing metabolisms within the crustal biosphere will be determined using seafloor observatories put in place by the International Ocean Discovery Program (IODP) on the flanks of the Mid-Atlantic Ridge, likely representative of the majority of global hydrothermal fluid circulation. The rates of microbial transformations of carbon will be determined using both geochemical and biological approaches. Results will help establish the extent to which microbially-mediated processes in the subseafloor influence carbon cycling in the ocean. This work will represent the first comprehensive description of carbon cycling in the cold oxic crustal aquifer. Two female postdocs will be supported on the grant, and both high school and community college students will also be involved through collaborations with Cape Cod Community College and Cambridge-Rindge and Latin School. The goal is to promote science, technology, engineering and math literacy among high-school and community college students through hand-on research experiences, peer-to-peer mentoring, and professional development opportunities. 
The goal of the project is to answer the question "is the cool crustal subseafloor biosphere net autotrophic or net heterotrophic?" The focus of the effort is at North Pond, an isolated sediment pond located on ridge flank oceanic crust 7-8 million years old on the western side of the Mid-Atlantic Ridge. The two objectives of the project are to:
1. Characterize suspended particles in subseafloor fluids with respect to their inorganic and organic carbon content, and natural 14C and 13C isotopic ratios, to determine microbially-mediated fluxes and processes.
2. Characterize the net influence of particle-associated and free-living microbial communities on subseafloor fluid primary production and remineralization, as well as the taxon-specific contributions to these same processes.
The integration of isotope geochemical and molecular biological approaches represents a significant cross-disciplinary advance in the understanding of the microbial ecology and geochemistry of the subseafloor biosphere in young oceanic crust and their role in maintaining global deep-sea redox balance. Expected outcomes include identifying signatures of autotrophic and heterotrophic metabolism in particle-associated and free-living subseafloor microbial communities as well as quantification of autotrophic and heterotrophic metabolism and associated taxon-abundances to provide insights into the net and specific microbial processes in crustal fluids on carbon fluxes.
attribute NC_GLOBAL projects_0_end_date String 2019-08
attribute NC_GLOBAL projects_0_geolocation String The “North Pond” sedimented site in the Mid-Atlantic ridge. This is an IODP study site. The coordinates are 22 ° and 23°N by 44°30 ' to 46°20'W
attribute NC_GLOBAL projects_0_name String Collaborative Research: A multidimensional approach to understanding microbial carbon cycling beneath the seafloor during cool hydrothermal circulation
attribute NC_GLOBAL projects_0_project_nid String 650059
attribute NC_GLOBAL projects_0_start_date String 2016-09
attribute NC_GLOBAL projects_1_acronym String North Pond 2017
attribute NC_GLOBAL projects_1_description String NSF Award Abstract:
Seawater circulates through the upper part of the oceanic crust much like groundwater flows through continental aquifers. However, in the ocean this seawater circulation, many times heated by buried magmatic bodies, transports and releases 25% of the Earth's heat. The rate of fluid flow through ocean crust is estimated to be equal to the amount of water delivered by rivers to the ocean. Much of what we know of this subseafloor fluid flow comes from studies in the eastern Pacific Ocean on ocean crust created by medium and fast spreading mid-ocean ridges. These studies indicate that seawater and its circulation through the seafloor significantly impact crustal evolution and biogeochemical cycles in the ocean and affect the biosphere in ways that are just now beginning to be quantified and understood. To expand this understanding, this research focuses on fluid flow of seafloor generated by slow spreading ridges, like those in the Atlantic, Indian and Arctic Oceans because it is significantly different in structure, mineralogy, and morphology than that formed at fast and intermediate spreading ridges. This research returns to North Pond, a long-term; seafloor; fluid flow monitoring site, drilled and instumented by the Ocean Drilling Program in the Atlantic Ocean. This research site was punctured by boreholes in which fluid flow and geochemical and biological samplers have been deployed for a number of years to collect data and samples. It also provides resources for shipboard and on-shore geochemical and biological analysis. Broader impacts of the work include sensor and technology development, which increases infrastructure for science and has commercial applications. It also provides training for students and the integration of education and research at three US academic institutions, one of which is an EPSCoR state (Mississippi), and supports a PI whose gender is under-represented in sciences and engineering. Public outreach will be carried out in conjunction with the Center for Dark Energy Biosphere Investigations.
This project completes a long-term biogeochemical and hydrologic study of ridge flank hydrothermal processes on slow-spreading, 8 million year old crust on the western flank of the Mid-Atlantic Ridge. The site, North Pond, is an isolated northeast-trending sediment pond, bounded by undersea mountains that have been studied since the 1970s. During Integrated Ocean Drilling Program Expedition 336 in 2011 and an expedition five months later (2012), sensors, samplers, and experiments were deployed in four borehole observatories drilled into the seafloor that penetrated into volcanic crust, with the purpose of monitoring changes in hydrologic properties, crustal fluid composition and mineral alteration, among other objectives. Wellhead sampling in 2012 and 2014 already revealed changes in crustal fluid compositions; and associated pressure data confirm that the boreholes are sealed and overpressured, reflecting a change in the formation as the boreholes recover from drilling disturbances. This research includes a 13-day oceanographic expedition and use of on-site robotically operated vehicles to recover downhole instrument packages at North Pond. It will allow the sampling of crustal fluids, recovering pressure data, and measuring fluid flow rates. Ship- and shore-based analyses will be used to address fundamental questions related to the hydrogeology of hydrothermal processes on slow-spread crust.
attribute NC_GLOBAL projects_1_end_date String 2018-09
attribute NC_GLOBAL projects_1_geolocation String North Pond, Mid-Atlantic Ridge flank CORKs
attribute NC_GLOBAL projects_1_name String Collaborative Research: Completing North Pond Borehole Experiments to Elucidate the Hydrology of Young, Slow-Spread Crust
attribute NC_GLOBAL projects_1_project_nid String 707762
attribute NC_GLOBAL projects_1_project_website String http://www.darkenergybiosphere.org/research-activities/field-sites/ (external link)
attribute NC_GLOBAL projects_1_start_date String 2015-10
attribute NC_GLOBAL projects_2_acronym String North Pond Viruses
attribute NC_GLOBAL projects_2_description String NSF Award Abstract:
The ocean does not end at the seafloor. Seawater penetrates deep into the ocean crust forming an enormous subseafloor aquifer. Interactions among seawater, rocks, and microorganisms alter the properties of seawater as it passes through this aquifer. The flux of the altered fluid out of the basaltic rocks and back into the sea is equivalent to the flux of all the rivers on the planet and this exchange of deep-sea fluids influences the chemical balance of the ocean. Obtaining samples of these fluids has been a major obstacle to understanding the biological processes that occur within the ocean basement aquifer, but the development and installation of special wellheads, called CORKs, into boreholes on the seafloor now provides opportunities to probe the biology of the most remote habitat on earth. Recent analyses of fluids sampled from CORKs have shown that the microbial communities in the ocean basement are very different from those of the overlying seawater, but little is known of their ecology. In particular, nothing is known about how viruses interact with the cells in this habitat. When a lytic virus infects a cell, it will lyse and kill the cell, but temperate viruses often establish a stable, symbiotic relationship with the host cell that changes how the cell functions. Because of these important roles, viruses exert a major influence on the size, composition, and activity of microbial communities. Investigating the contributions of lytic and temperate viruses in the ocean basement is therefore central to understanding how activities of microbes in the basement are regulated. For this project, the researchers will sample fluids from the ocean basement in the central Atlantic Ocean to conduct the first investigation of the importance of viruses in a slow spreading crustal system. In addition to publishing the detailed results in scientific journals, the researchers will produce a book (in English and Hawaiian) targeting upper elementary to middle schoolchildren that captures the excitement and challenges of deep-sea exploration and introduces the mysteries of the life forms being discovered deep in the earth?s crust. The book will align with National Ocean Literacy Principles and Common Core Standards. Distribution will be focused on the minority-serving schools in Hawaii with the goal of fostering interest in the ocean, earth, and life sciences in groups traditionally underrepresented in STEM fields.
To collect the viruses and microorganisms in the fluids, the researchers will use both passive and active collection methods with the help of a remotely operated vehicle. For passive collection, micro- and ultrafilters will be connected in series to the wellhead and fluids will be driven through the filters by the pressure differential between aquifer and bottom seawater. For active sampling, mechanical pumps will be used to direct either basement fluids or bottom seawater into sample bags for retrieval and processing aboard ship. Microorganisms and viruses harvested from the fluids will be fractionated to separate populations. The viruses and cells will be examined by electron microscopy to quantify morphological diversity and to determine the proportion of infected cells. Nucleic acids from the cells and viruses will be sequenced to 1) characterize the genetic diversity of the viruses, 2) determine the proportion of cells with integrated viral genomes, 3) identify the functional genes contributed to the cells by the viruses, and 4) link specific viruses to their likely hosts based on analysis of CRISPR elements. The researchers hypothesize that the basement viruses will be distinct from those of bottom seawater and that, compared to surface seawater where cells are more abundant, active lytic infections in the basement will be low, but infections by temperate viruses will be exceptionally common. The data from this project will help to constrain the importance of viruses in recycling of organic carbon in the ocean basement and shed light on how viral genes may be altering the microbial activities that influence ocean chemistry.
attribute NC_GLOBAL projects_2_end_date String 2018-09
attribute NC_GLOBAL projects_2_geolocation String Mid-Atlantic Ridge flank; North Pond CORK sites
attribute NC_GLOBAL projects_2_name String Investigation of viruses and microbes circulating deep in the seafloor
attribute NC_GLOBAL projects_2_project_nid String 721822
attribute NC_GLOBAL projects_2_start_date String 2016-10
attribute NC_GLOBAL publisher_name String Biological and Chemical Oceanographic Data Management Office (BCO-DMO)
attribute NC_GLOBAL publisher_type String institution
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL Southernmost_Northing double 22.7553
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v55
attribute NC_GLOBAL subsetVariables String flag
attribute NC_GLOBAL summary String CTD data from AT39-01 (North Pond 2017 expedition).
attribute NC_GLOBAL time_coverage_end String 2017-10-27T03:39:14Z
attribute NC_GLOBAL time_coverage_start String 2017-10-14T12:30:45Z
attribute NC_GLOBAL title String CTD data from AT39-01 (North Pond 2017 expedition) from the R/V Atlantis in the central North Atlantic during October 2017
attribute NC_GLOBAL version String 1
attribute NC_GLOBAL Westernmost_Easting double -46.0817
attribute NC_GLOBAL xml_source String osprey2erddap.update_xml() v1.3
variable time   double  
attribute time _CoordinateAxisType String Time
attribute time actual_range double 1.507984245E9, 1.509075554E9
attribute time axis String T
attribute time bcodmo_name String ISO_DateTime_UTC
attribute time description String date and time in ISO 8601 format yyyy-m-ddTHH:MM:SS
attribute time ioos_category String Time
attribute time long_name String Time Utc
attribute time nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/DTUT8601/ (external link)
attribute time source_name String time_utc
attribute time standard_name String time
attribute time time_origin String 01-JAN-1970 00:00:00
attribute time time_precision String 1970-01-01T00:00:00Z
attribute time units String seconds since 1970-01-01T00:00:00Z
variable longitude   double  
attribute longitude _CoordinateAxisType String Lon
attribute longitude _FillValue double NaN
attribute longitude actual_range double -46.0817, -46.0507
attribute longitude axis String X
attribute longitude bcodmo_name String longitude
attribute longitude colorBarMaximum double 180.0
attribute longitude colorBarMinimum double -180.0
attribute longitude description String longitude. East is positive; negative denotes West.
attribute longitude ioos_category String Location
attribute longitude long_name String Longitude
attribute longitude nerc_identifier String https://vocab.nerc.ac.uk/collection/P09/current/LONX/ (external link)
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
variable latitude   double  
attribute latitude _CoordinateAxisType String Lat
attribute latitude _FillValue double NaN
attribute latitude actual_range double 22.7553, 22.81
attribute latitude axis String Y
attribute latitude bcodmo_name String latitude
attribute latitude colorBarMaximum double 90.0
attribute latitude colorBarMinimum double -90.0
attribute latitude description String latitude. North is positive; negative denotes South
attribute latitude ioos_category String Location
attribute latitude long_name String Latitude
attribute latitude nerc_identifier String https://vocab.nerc.ac.uk/collection/P09/current/LATX/ (external link)
attribute latitude standard_name String latitude
attribute latitude units String degrees_north
variable cast_id   String  
attribute cast_id bcodmo_name String cast
attribute cast_id description String identifier for the cast
attribute cast_id long_name String Cast Id
attribute cast_id units String unitless
variable cast_no   byte  
attribute cast_no _FillValue byte 127
attribute cast_no actual_range byte 1, 13
attribute cast_no bcodmo_name String cast
attribute cast_no description String number for the cast
attribute cast_no long_name String Cast No
attribute cast_no units String unitless
variable press   float  
attribute press _FillValue float NaN
attribute press actual_range float 2.013, 4551.378
attribute press bcodmo_name String pressure
attribute press description String Pressure. Originally named 'prDM'.
attribute press long_name String Press
attribute press nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/PRESPR01/ (external link)
attribute press units String decibars
variable temp   float  
attribute temp _FillValue float NaN
attribute temp actual_range float 2.4356, 27.5491
attribute temp bcodmo_name String temperature
attribute temp description String Primary temperature measurement. Originally named 't090C'.
attribute temp long_name String Temperature
attribute temp nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/TEMPP901/ (external link)
attribute temp units String degrees Celsius
variable temp_2   float  
attribute temp_2 _FillValue float NaN
attribute temp_2 actual_range float 2.4352, 27.55
attribute temp_2 bcodmo_name String temperature
attribute temp_2 description String Secondary tempearture measurement. Originally named 't190C'.
attribute temp_2 long_name String Temp 2
attribute temp_2 nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/TEMPP901/ (external link)
attribute temp_2 units String degrees Celsius
variable cond   float  
attribute cond _FillValue float NaN
attribute cond actual_range float 3.2612, 5.9273
attribute cond bcodmo_name String conductivity
attribute cond description String Primary conductivity measurement. Originally named 'c0S/m'.
attribute cond long_name String Cond
attribute cond nerc_identifier String https://vocab.nerc.ac.uk/collection/P02/current/CNDC/ (external link)
attribute cond units String Siemens/meter [S/m]
variable cond_2   float  
attribute cond_2 _FillValue float NaN
attribute cond_2 actual_range float 3.2615, 5.9279
attribute cond_2 bcodmo_name String conductivity
attribute cond_2 description String Secondary conductivity measurement. Originally named 'c1S/m'.
attribute cond_2 long_name String Cond 2
attribute cond_2 nerc_identifier String https://vocab.nerc.ac.uk/collection/P02/current/CNDC/ (external link)
attribute cond_2 units String Siemens/meter [S/m]
variable O2_v   float  
attribute O2_v _FillValue float NaN
attribute O2_v actual_range float 0.0701, 2.5175
attribute O2_v bcodmo_name String dissolved Oxygen
attribute O2_v description String Raw voltage from SBE43 oxygen sensor. Originally named 'Sbeox0V'.
attribute O2_v long_name String O2 V
attribute O2_v units String volts
variable trans   float  
attribute trans _FillValue float NaN
attribute trans actual_range float 95.9715, 99.3652
attribute trans bcodmo_name String transmission
attribute trans description String Beam transmission expressed as percent. Originally named 'CStarTr0'.
attribute trans long_name String Trans
attribute trans units String unitless
variable fluor   float  
attribute fluor _FillValue float NaN
attribute fluor actual_range float -0.0952, 0.4064
attribute fluor bcodmo_name String fluorescence
attribute fluor description String Fluorescence measured by WET Labs ECO-AFL/FL in milligrams per cubic meter. Originally named 'flECO-AFL'.
attribute fluor long_name String Fluor
attribute fluor nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/CPHLPM01/ (external link)
attribute fluor units String milligrams/cubic meter [mg/m^3]
variable turbidity   float  
attribute turbidity _FillValue float NaN
attribute turbidity actual_range float 0.0199, 0.219
attribute turbidity bcodmo_name String turbidity
attribute turbidity description String Turbidity measured by WET Labs ECO. Originally named 'turbWetntu0'.
attribute turbidity long_name String Turbidity
attribute turbidity units String NTU
variable depth   double  
attribute depth _CoordinateAxisType String Height
attribute depth _CoordinateZisPositive String down
attribute depth _FillValue double NaN
attribute depth actual_range double 2.0, 4475.0
attribute depth axis String Z
attribute depth bcodmo_name String depth
attribute depth colorBarMaximum double 8000.0
attribute depth colorBarMinimum double -8000.0
attribute depth colorBarPalette String TopographyDepth
attribute depth description String Depth. Originally named 'depSM'.
attribute depth ioos_category String Location
attribute depth long_name String Depth
attribute depth nerc_identifier String https://vocab.nerc.ac.uk/collection/P09/current/DEPH/ (external link)
attribute depth positive String down
attribute depth standard_name String depth
attribute depth units String m
variable density   double  
attribute density _FillValue double NaN
attribute density actual_range double 1024.4051, 1048.2094
attribute density bcodmo_name String density
attribute density description String Primary measure of density in kilograms per cubic meter. Originally named 'density00'.
attribute density long_name String Density
attribute density units String kilograms/cubic meter [kg/m^3]
variable density_2   double  
attribute density_2 _FillValue double NaN
attribute density_2 actual_range double 1024.4073, 1048.2112
attribute density_2 bcodmo_name String density
attribute density_2 description String Secondary measure of density in kilograms per cubic meter. Originally named 'density11'.
attribute density_2 long_name String Density 2
attribute density_2 units String kilograms/cubic meter [kg/m^3]
variable sal   float  
attribute sal _FillValue float NaN
attribute sal actual_range float 34.8899, 37.577
attribute sal bcodmo_name String sal
attribute sal description String Primary salinity measurement. Originally named 'sal00'.
attribute sal long_name String Sal
attribute sal nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/PSALST01/ (external link)
attribute sal units String practical salinity units [PSU]
variable sal_2   float  
attribute sal_2 _FillValue float NaN
attribute sal_2 actual_range float 34.8769, 37.5813
attribute sal_2 bcodmo_name String sal
attribute sal_2 description String Secondary salinity measurement. Originally named 'sal11'.
attribute sal_2 long_name String Sal 2
attribute sal_2 nerc_identifier String https://vocab.nerc.ac.uk/collection/P01/current/PSALST01/ (external link)
attribute sal_2 units String practical salinity units [PSU]
variable sound_vel   float  
attribute sound_vel _FillValue float NaN
attribute sound_vel actual_range float 1491.78, 1543.55
attribute sound_vel bcodmo_name String sound_vel
attribute sound_vel description String Sound velocity in meters per second. Originally named 'svCM'.
attribute sound_vel long_name String Sound Vel
attribute sound_vel units String meters/second [m/s]
variable sound_vel_2   float  
attribute sound_vel_2 _FillValue float NaN
attribute sound_vel_2 actual_range float 1491.79, 1543.56
attribute sound_vel_2 bcodmo_name String sound_vel
attribute sound_vel_2 description String Sound velocity in meters per second from secondary sensor. Originally named 'svCM1'.
attribute sound_vel_2 long_name String Sound Vel 2
attribute sound_vel_2 units String meters/second [m/s]
variable O2   float  
attribute O2 _FillValue float NaN
attribute O2 actual_range float -47.132, 234.576
attribute O2 bcodmo_name String dissolved Oxygen
attribute O2 description String Oxygen concentration from SBE 43. Originally named 'sbeox0Mm/L'.
attribute O2 long_name String O2
attribute O2 units String micromol/liter [umol/l]
variable flag   float  
attribute flag _FillValue float NaN
attribute flag actual_range float 0.0, 0.0
attribute flag bcodmo_name String flag
attribute flag colorBarMaximum double 150.0
attribute flag colorBarMinimum double 0.0
attribute flag description String Quality flag; bad flag = -9.99e-29.
attribute flag long_name String Flag
attribute flag units String unitless

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