ERDDAP > info > bcodmo_dataset_679685

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
		data	graph		files	public	[McMurdo Sound chlorophyll] - Chlorophyll data from McMurdo Sound, Antarctica from 2012 to 2015 (McMurdo Predator Prey project) (Food web dynamics in an intact ecosystem: the role of top predators in McMurdo Sound)		F   I   M	background			BCO-DMO	bcodmo_dataset_679685

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
attribute	NC_GLOBAL	acquisition_description	String	Small holes were drilled through the McMurdo Sound fast ice. A Niskin Bottle was deployed below the fast ice and water was collected just below the ice- water interface and at a pre-determined depth (Chlorophyll maximum) as determined by a fluorescence sensor on a CTD. Water samples from the Niskin bottles were collected in 4 L amber Nalgene bottles and then immediately stored in a dark cooler. Gloves were worn for sample collection and bottles and caps were rinsed three times before sample collection. The sample bottles were immediately processed as soon as they returned from the field. The collection bottle was gently swirled and 50 to 2000 mL were filtered under low vacuum onto a 25 mm GF/F filter. Filters were immediately placed in 13 mm borosilicate test tubes containing 7 mL 90% v/v HPLC grade acetone and extracted in the dark for 24 h at -20 degrees C. After extraction, fluorescence was measured with a Turner Designs 10 AU fluorometer before and after acidification. The fluorometer was calibrated at McMurdo Station at the beginning of the field season using Chlorophyll a standards from Sigma-Aldrich and rechecked using a solid standard from Turner Designs several times during the field season. Chlorophyll a was determined using the methods of Parsons et al. (1984). Reference: Parsons, T.R., Maita, Y., Lalli, C.M., 1984. A Manual of Chemical and Biological\u00a0Methods for Seawater Analysis. Pergamon Press, New York, pp. 107\u2013110.
attribute	NC_GLOBAL	awards_0_award_nid	String	665135
attribute	NC_GLOBAL	awards_0_award_number	String	PLR-0944511
attribute	NC_GLOBAL	awards_0_data_url	String	http://www.nsf.gov/awardsearch/showAward.do?AwardNumber=0944511
attribute	NC_GLOBAL	awards_0_funder_name	String	NSF Division of Polar Programs
attribute	NC_GLOBAL	awards_0_funding_acronym	String	NSF PLR
attribute	NC_GLOBAL	awards_0_funding_source_nid	String	490497
attribute	NC_GLOBAL	awards_0_program_manager	String	Dr Chris H. Fritsen
attribute	NC_GLOBAL	awards_0_program_manager_nid	String	50502
attribute	NC_GLOBAL	cdm_data_type	String	Other
attribute	NC_GLOBAL	comment	String	Chlorophyll data for McMurdo Sound PIs: Kendra Daly and Stacy Kim data version 08 Feb 2017
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	2017-01-31T19:28:40Z
attribute	NC_GLOBAL	date_modified	String	2017-05-11T17:34:13Z
attribute	NC_GLOBAL	defaultDataQuery	String	&time<now
attribute	NC_GLOBAL	doi	String	10.1575/1912/bco-dmo.699891
attribute	NC_GLOBAL	Easternmost_Easting	double	166.3047
attribute	NC_GLOBAL	geospatial_lat_max	double	-77.5508
attribute	NC_GLOBAL	geospatial_lat_min	double	-77.7034
attribute	NC_GLOBAL	geospatial_lat_units	String	degrees_north
attribute	NC_GLOBAL	geospatial_lon_max	double	166.3047
attribute	NC_GLOBAL	geospatial_lon_min	double	165.0612
attribute	NC_GLOBAL	geospatial_lon_units	String	degrees_east
attribute	NC_GLOBAL	geospatial_vertical_max	double	150.0
attribute	NC_GLOBAL	geospatial_vertical_min	double	0.0
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/679685
attribute	NC_GLOBAL	institution	String	BCO-DMO
attribute	NC_GLOBAL	instruments_0_acronym	String	Niskin bottle
attribute	NC_GLOBAL	instruments_0_dataset_instrument_nid	String	679690
attribute	NC_GLOBAL	instruments_0_description	String	A Niskin bottle (a next generation water sampler based on the Nansen bottle) is a cylindrical, non-metallic water collection device with stoppers at both ends. The bottles can be attached individually on a hydrowire or deployed in 12, 24 or 36 bottle Rosette systems mounted on a frame and combined with a CTD. Niskin bottles are used to collect discrete water samples for a range of measurements including pigments, nutrients, plankton, etc.
attribute	NC_GLOBAL	instruments_0_instrument_external_identifier	String	https://vocab.nerc.ac.uk/collection/L22/current/TOOL0412/
attribute	NC_GLOBAL	instruments_0_instrument_name	String	Niskin bottle
attribute	NC_GLOBAL	instruments_0_instrument_nid	String	413
attribute	NC_GLOBAL	instruments_1_acronym	String	ECO AFL/FL
attribute	NC_GLOBAL	instruments_1_dataset_instrument_nid	String	681352
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	Sea-Bird SEACAT 19 Plus
attribute	NC_GLOBAL	instruments_2_dataset_instrument_nid	String	681351
attribute	NC_GLOBAL	instruments_2_description	String	Self contained self powered CTD profiler. Measures conductivity, temperature and pressure in both profiling (samples at 4 scans/sec) and moored (sample rates of once every 5 seconds to once every 9 hours) mode. Available in plastic or titanium housing with depth ranges of 600m and 7000m respectively. Minature submersible pump provides water to conductivity cell.
attribute	NC_GLOBAL	instruments_2_instrument_name	String	CTD Sea-Bird SBE SEACAT 19plus
attribute	NC_GLOBAL	instruments_2_instrument_nid	String	616065
attribute	NC_GLOBAL	keywords	String	bco, bco-dmo, biological, chemical, chl, chlorophyll, data, dataset, date, depth, dmo, erddap, latitude, longitude, management, oceanography, office, phaeo, preliminary, station, time
attribute	NC_GLOBAL	license	String	https://www.bco-dmo.org/dataset/679685/license
attribute	NC_GLOBAL	metadata_source	String	https://www.bco-dmo.org/api/dataset/679685
attribute	NC_GLOBAL	Northernmost_Northing	double	-77.5508
attribute	NC_GLOBAL	param_mapping	String	{'679685': {'lat': 'master - latitude', 'depth': 'flag - depth', 'lon': 'master - longitude'}}
attribute	NC_GLOBAL	parameter_source	String	https://www.bco-dmo.org/mapserver/dataset/679685/parameters
attribute	NC_GLOBAL	people_0_affiliation	String	University of South Florida
attribute	NC_GLOBAL	people_0_affiliation_acronym	String	USF
attribute	NC_GLOBAL	people_0_person_name	String	Kendra L. Daly
attribute	NC_GLOBAL	people_0_person_nid	String	50505
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	H.T. Harvey & Associates
attribute	NC_GLOBAL	people_1_person_name	String	Dr David G. Ainley
attribute	NC_GLOBAL	people_1_person_nid	String	50491
attribute	NC_GLOBAL	people_1_role	String	Co-Principal Investigator
attribute	NC_GLOBAL	people_1_role_type	String	originator
attribute	NC_GLOBAL	people_2_affiliation	String	Point Blue Conservation Science
attribute	NC_GLOBAL	people_2_person_name	String	Dr Grant Ballard
attribute	NC_GLOBAL	people_2_person_nid	String	566872
attribute	NC_GLOBAL	people_2_role	String	Co-Principal Investigator
attribute	NC_GLOBAL	people_2_role_type	String	originator
attribute	NC_GLOBAL	people_3_affiliation	String	Moss Landing Marine Laboratories
attribute	NC_GLOBAL	people_3_affiliation_acronym	String	MLML
attribute	NC_GLOBAL	people_3_person_name	String	Dr Stacy Kim
attribute	NC_GLOBAL	people_3_person_nid	String	51714
attribute	NC_GLOBAL	people_3_role	String	Co-Principal Investigator
attribute	NC_GLOBAL	people_3_role_type	String	originator
attribute	NC_GLOBAL	people_4_affiliation	String	University of South Florida
attribute	NC_GLOBAL	people_4_affiliation_acronym	String	USF
attribute	NC_GLOBAL	people_4_person_name	String	Kendra L. Daly
attribute	NC_GLOBAL	people_4_person_nid	String	50505
attribute	NC_GLOBAL	people_4_role	String	Contact
attribute	NC_GLOBAL	people_4_role_type	String	related
attribute	NC_GLOBAL	people_5_affiliation	String	Woods Hole Oceanographic Institution
attribute	NC_GLOBAL	people_5_affiliation_acronym	String	WHOI BCO-DMO
attribute	NC_GLOBAL	people_5_person_name	String	Amber York
attribute	NC_GLOBAL	people_5_person_nid	String	643627
attribute	NC_GLOBAL	people_5_role	String	BCO-DMO Data Manager
attribute	NC_GLOBAL	people_5_role_type	String	related
attribute	NC_GLOBAL	project	String	McMurdo Predator Prey
attribute	NC_GLOBAL	projects_0_acronym	String	McMurdo Predator Prey
attribute	NC_GLOBAL	projects_0_description	String	Extracted from the NSF award abstract: The research project investigates the importance of top down forcing on pelagic food webs. The relatively pristine Ross Sea includes large populations of upper-level predators such as minke and killer whales, Adélie and Emperor penguins, and Antarctic toothfish. This project focuses on food web interactions of Adélie penguins, minke whales, and the fish-eating Ross Sea killer whales, all of which exert foraging pressure on their main prey, crystal krill (Euphausia cyrstallorophias) and silver fish (Pleuragramma antarcticum) in McMurdo Sound. The investigators used a video- and acoustic-capable ROV, and standard biological and environmental sensors to quantify the abundance and distribution of phytoplankton, sea ice biota, prey, and relevant habitat data.  The sampling area included 37 stations across an 30 x 15 km section of McMurdo Sound, stratified by distance from the ice edge as a proxy for air-breathing predator access. This study will be among the first to assess top-down forcing in the Ross Sea ecosystem and will form the basis for multidisciplinary studies in the future. Map sampling stations
attribute	NC_GLOBAL	projects_0_end_date	String	2016-11
attribute	NC_GLOBAL	projects_0_geolocation	String	McMurdo Sound, Antarctica
attribute	NC_GLOBAL	projects_0_name	String	Food web dynamics in an intact ecosystem: the role of top predators in McMurdo Sound
attribute	NC_GLOBAL	projects_0_project_nid	String	665131
attribute	NC_GLOBAL	projects_0_project_website	String	https://scini-penguin.mlml.calstate.edu/pauls-wordpress-test-site/
attribute	NC_GLOBAL	projects_0_start_date	String	2011-06
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	-77.7034
attribute	NC_GLOBAL	standard_name_vocabulary	String	CF Standard Name Table v55
attribute	NC_GLOBAL	summary	String	This dataset includes chlorophyll, phaeopigments, depth, lat, lon, and station from McMurdo Sound, Antarctica collected between the austral years 2012/2013 and 2014/2015.
attribute	NC_GLOBAL	title	String	[McMurdo Sound chlorophyll] - Chlorophyll data from McMurdo Sound, Antarctica from 2012 to 2015 (McMurdo Predator Prey project) (Food web dynamics in an intact ecosystem: the role of top predators in McMurdo Sound)
attribute	NC_GLOBAL	version	String	1
attribute	NC_GLOBAL	Westernmost_Easting	double	165.0612
attribute	NC_GLOBAL	xml_source	String	osprey2erddap.update_xml() v1.3
variable	station		String
attribute	station	bcodmo_name	String	station
attribute	station	description	String	CTD station name where niskin bottle sample acquired
attribute	station	long_name	String	Station
attribute	station	units	String	unitless
variable	date		String
attribute	date	bcodmo_name	String	date
attribute	date	description	String	Date in format yyyy-mm-dd in local time (UTC+12)
attribute	date	long_name	String	Date
attribute	date	nerc_identifier	String	https://vocab.nerc.ac.uk/collection/P01/current/ADATAA01/
attribute	date	source_name	String	date
attribute	date	time_precision	String	1970-01-01
attribute	date	units	String	unitless
variable	latitude		double
attribute	latitude	_CoordinateAxisType	String	Lat
attribute	latitude	_FillValue	double	NaN
attribute	latitude	actual_range	double	-77.7034, -77.5508
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 of CTD cast; north is positive
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	longitude		double
attribute	longitude	_CoordinateAxisType	String	Lon
attribute	longitude	_FillValue	double	NaN
attribute	longitude	actual_range	double	165.0612, 166.3047
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 of CTD cast; west is negative
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	depth		double
attribute	depth	_CoordinateAxisType	String	Height
attribute	depth	_CoordinateZisPositive	String	down
attribute	depth	_FillValue	double	NaN
attribute	depth	actual_range	double	0.0, 150.0
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 of sample
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	chl		float
attribute	chl	_FillValue	float	NaN
attribute	chl	actual_range	float	0.212, 121.113
attribute	chl	bcodmo_name	String	chlorophyll a
attribute	chl	description	String	Chlorophyll a
attribute	chl	long_name	String	CHL
attribute	chl	nerc_identifier	String	https://vocab.nerc.ac.uk/collection/P01/current/CPHLHPP1/
attribute	chl	units	String	micrograms per liter (ug/L)
variable	phaeo		float
attribute	phaeo	_FillValue	float	NaN
attribute	phaeo	actual_range	float	-6.942, 3.897
attribute	phaeo	bcodmo_name	String	phaeopigment
attribute	phaeo	description	String	Phaeopigments
attribute	phaeo	long_name	String	Phaeo
attribute	phaeo	nerc_identifier	String	https://vocab.nerc.ac.uk/collection/P01/current/PHAEFMP1/
attribute	phaeo	units	String	micrograms per liter (ug/L)

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.