Dataset: TN327 Axial 2015 ROV Samples

Name: Description of ROV samples collected from the Axial Seamount on the Juan de Fuca Ridge on R/V Thomas G. Thompson TN327 in August 2015.
Published: 2018-03-01
Keywords: oceans

Cite This Dataset

Spatial Extent: N:46.0986 E:-129.972 S:45.9174 W:-130.0272

Temporal Extent: 2015-08-17 - 2015-08-28

Project:

Event response to an eruption at Axial Seamount (NeMO2015)

Program:

Ocean Observatories Initiative (OOI)

Principal Investigator:

David A. Butterfield (National Oceanic and Atmospheric Administration, NOAA-PMEL)

Co-Principal Investigator:

James Holden (University of Massachusetts Amherst)

BCO-DMO Data Manager:

Megan Switzer (Woods Hole Oceanographic Institution, WHOI)

Version:

Version Date:

2018-03-01

Restricted:

Validated:

Current State:

Preliminary and in progress

Description of ROV samples collected from the Axial Seamount on the Juan de Fuca Ridge on R/V Thomas G. Thompson TN327 in August 2015.

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Description

Axial Seamount 2015 ROV sample metadata for TN327.

Fluid samples for water and gas chemistry were collected from the ROV Jason with titanium major samplers manufactured at WHOI, with UCSB-type titanium gas-tight samplers designed and manufactured by John Lupton and Conrad Young, and with the Hydrothermal Fluid and Particle Sampler (HFPS) designed by David Butterfield and manufactured at NOAA-PMEL. A subset of HFPS samples were filtered in-situ through acid-washed 0.4 micron polycarbonate membrane filters during sampling. In-situ filters with RNA preservative were collected with the HFPS. Samples for water chemistry are in custody of D. Butterfield. Extracted gas samples are in custody of J. Lupton and M. Lilley. RNA/DNA samples are in custody of J. Huber.

Samples collected in 2015 are registered with SESAR/IEDA, with IGSN numbers starting with EOI00003L.

All sample metadata have been publicly available through the SESAR web site:
https://app.geosamples.org/search.php

The same metadata is publicly available through the cruise report on the PMEL web site:
https://www.pmel.noaa.gov/eoi/axial/2015/Axial2015-Cruise-Report-with-logs-revised.pdf

IGSN sample registration: https://app.geosamples.org/search.php
Use advanced search for cruise name TN327 to bring up all registered samples.

Sample collection methods are described in (Butterfield et al., 2004) & (Butterfield et al., 2011)

Data Processing Description

BCO-DMO processing notes:
-Changed parameter names to BCO-DMO naming conventions

Data Files

File
728425.csv (Comma Separated Values (.csv), 49.33 KB) MD5:0c1ec7bf05b09a88a9339575cb6412ce Primary data file for dataset ID 728425

More Information about this dataset

Funding Sources

Funding Source	Award Number
NSF Division of Ocean Sciences	OCE-1546695

Deployments

Deployment	Synonyms	Start Date	Platform	Investigator
TN327	NeMO 2015	2015-08-14	R/V Thomas G. Thompson	William Chadwick (Chief Scientist)	data info

Instruments

ROV Jason

Supplied Name:

Supplied Description:

Instrument Type

Generic Name: ROV Jason

Generic Description:

The Remotely Operated Vehicle (ROV) Jason is operated by the Deep Submergence Laboratory (DSL) at Woods Hole Oceanographic Institution (WHOI). WHOI engineers and scientists designed and built the ROV Jason to give scientists access to the seafloor that didn't require them leaving the deck of the ship. Jason is a two-body ROV system. A 10-kilometer (6-mile) fiber-optic cable delivers electrical power and commands from the ship through Medea and down to Jason, which then returns data and live video imagery. Medea serves as a shock absorber, buffering Jason from the movements of the ship, while providing lighting and a bird’s eye view of the ROV during seafloor operations. During each dive (deployment of the ROV), Jason pilots and scientists work from a control room on the ship to monitor Jason’s instruments and video while maneuvering the vehicle and optionally performing a variety of sampling activities. Jason is equipped with sonar imagers, water samplers, video and still cameras, and lighting gear. Jason’s manipulator arms collect samples of rock, sediment, or marine life and place them in the vehicle’s basket or on "elevator" platforms that float heavier loads to the surface. More information is available from the operator site at URL.

Parameters

Date and time formats are described in python strftime() syntax.

Supplied Name	Supplied description	Supplied Units	Standard Name
IGSN	The assigned IGSN sample number.	no units	sample_descrip
Sample_name	The cruise sample ID used to identify the sample (dive number-sample type-sequence number within the dive); sample types are GTB=gas-tight bottle; Major=titanium major sampler; HFS=sample collected with PMEL Hydrothermal Fluid and Particle Sampler; Geo=rock sample.	no units	sample_descrip
Sample_type	Refers to IGSN sample type description.	no units	sample_descrip
Material	The type of material collected: water, gas, rock, or biological matter.	no units	sample_descrip
Description	A text description of the sample collected.	no units	sample_descrip
Collection_method	Short description of the method used to collect the sample.	no units	sample_descrip
Collection_method_descrip	Text description of the method used to collect the sample.	no units	sample_descrip
Purpose	Type of analysis to be done with the sample.	no units	sample_descrip
Release_date	The date when the IGSN sample numbers were assigned and put in the SESAR public database (yyyy-mm-dd).	no units	sample_descrip
Latitude	Latitude of the sample site on the seafloor (decimal degrees, northern hemisphere).	decimal degrees	lat
Longitude	Longitude of the sample site on the seafloor (decimal degrees, western hemisphere).	decimal degrees	lon
Elevation	Depth of the sample relative to sea surface (negative elevation value, in meters).	meters	sample_descrip
Elevation_unit	Elevation unit.	no units	sample_descrip
Nav_type_name	USBL is ultrashort baseline acoustic navigation used to locate the ROV Jason on the seafloor.	no units	sample_descrip
Physiographic_feature	Samples were collected on a submarine volcano or seamount.	no units	sample_descrip
Physiographic_feature_name	All samples in this dataset are from Axial Seamount.	no units	sample_descrip
Location_description	A more detailed text description of where the samples came from; NRZ refers to North Rift Zone, where most of the 2015 lava erupted.	no units	sample_descrip
Cruise_ID	Cruise number (for T.G. Thompson).	no units	cruise_id
Platform_type	Platform type.	no units	sample_descrip
Platform_name	Platform name.	no units	sample_descrip
Launch_platform	Launch platform.	no units	sample_descrip
Launch_platform_name	Launch platform name.	no units	sample_descrip
Collector	The scientist who collected the individual sample or for whom the sample was intended.	no units	sample_descrip
Collection_date_UTC	Date the sample was collected (yyyy-mm-dd).	no units	sample_descrip
Current_archive_contact	Address and/or email of the person who should be contacted for information about or access to the sample.	no units	sample_descrip
Current_registrant_name	Person who is currently associated with this sample in the IGSN registry.	no units	sample_descrip
Original_registrant_name	Person who originally registered the sample to assign an IGSN.	no units	sample_descrip
URL	Link to the online sample registry.	no units	external_link

Status message

Database

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Dataset: TN327 Axial 2015 ROV Samples