ERDDAP > info > bcodmo_dataset_757722

Grid DAP Data	Sub- set	Table DAP Data	Make A Graph	W M S	Source Data Files	Acces- sible	Title	Sum- mary	FGDC, ISO, Metadata	Back- ground Info	RSS	E mail	Institution	Dataset ID
	set	data	graph		files	public	[CTD data] - CTD data from AT39-01 (North Pond 2017 expedition) from the R/V Atlantis in the central North Atlantic during October 2017 (Collaborative Research: A multidimensional approach to understanding microbial carbon cycling beneath the seafloor during cool hydrothermal circulation)		F   I   M	background			BCO-DMO	bcodmo_dataset_757722

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
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
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
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
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
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
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
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
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/
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
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/
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/
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/
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/
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
attribute	NC_GLOBAL	metadata_source	String	https://www.bco-dmo.org/api/dataset/757722
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
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/
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] - CTD data from AT39-01 (North Pond 2017 expedition) from the R/V Atlantis in the central North Atlantic during October 2017 (Collaborative Research: A multidimensional approach to understanding microbial carbon cycling beneath the seafloor during cool hydrothermal circulation)
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/
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/
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/
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/
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/
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/
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/
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/
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/
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/
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/
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/
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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