Identification

Title

2003 Helo Survey Nutrients and Oxygen Isotope Samples

Alternative title(s)

62.311

Abstract

As part of the Shelf-Basin Interactions (SBI) project, early spring sampling was performed in the eastern area of the SBI study area using aircraft. Flights began on 1 April 2003 and finished on 15 April. During this time, we sampled 42 sites (49 Conductivity Temperature Depth (CTD) casts) on a series of 5 transect lines which bracketed and were parallel to the SBI current meter mooring line located at 152 W longitude. Stations were about 10 km apart along each transect line. A map of the achieved sampling sites is available (file: Sw3loc4a.pdf) and station locations, sampling dates and times are found in the file, Sw3vit-4.csv. At each site, a Seabird CTD (either a SBE-19 or an SBE-25) and Satlantic ISUS nitrate analyzer with a water sampling bottle was deployed through an 8 inch hole augured through the pack-ice. Continuous profiles of pressure, temperature, salinity, and nitrate concentrations were made from the ice hole to either the sediment surface or to about 390 m and were binned into 0.5 dbar bins. Data from the vertical profiles of temperature, salinity, and density are contained in another dataset. Approximately 60 of seawater were collected from up to 8 sampling depths. Waters were subdivided into 30 ml for dissolved nutrient analyses and 20 ml for determination of the isotopic ratio of 18-O/16-O in the sea water. Samples were frozen for return to Maine. Nutrients (nitrate, nitrite, ammonium, inorganic phosphate, and dissolved silica) were determined by autoanalyzer at the Scripps Institute of Oceanography Nutrient Chemistry Laboratory according to World Ocean Circulation Experiment (WOCE) protocols. The oxygen isotope samples were determined at the University of Maine's Stable Isotope Laboratory with standard mean ocean water as standard. The data are in csv format.

Resource type

dataset

Resource locator

https://data.eol.ucar.edu/dataset/62.311

protocol: https

name: 2003 Helo Survey Nutrients and Oxygen Isotope Samples homepage

description: Dataset homepage

https://data.eol.ucar.edu/cgi-bin/codiac/fgr_form/id=62.311

protocol: https

name: 2003 Helo Survey Nutrients and Oxygen Isotope Samples Data Order Form

description: Dataset order request form. Data files are made available via FTP.

function: order

Unique resource identifier

code

62.311

codeSpace

Dataset language

Spatial reference system

code identifying the spatial reference system

Classification of spatial data and services

Topic category

oceans

Keywords

Keyword set

keyword value

dataset

originating controlled vocabulary

title

Resource Type

reference date

date type

revision

effective date

2014-10-16

Keyword set

keyword value

Helicopter

Keyword set

keyword value

CTD ocean cast

Aircraft

Oceanography

Water Chemistry

Arctic

Water Sampling

Hydrography

Nutrient

Stable Isotope

Keyword set

keyword value

EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > AMMONIA

EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > STABLE ISOTOPES

EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > SILICATE

EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > POTENTIAL TEMPERATURE

EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > WATER TEMPERATURE

EARTH SCIENCE > OCEANS > SALINITY/DENSITY > SALINITY

EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > NITRITE

EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > INORGANIC MATTER

EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > NITRATE

EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PHOSPHATE

EARTH SCIENCE > OCEANS > SALINITY/DENSITY > DENSITY

originating controlled vocabulary

title

Global Change Master Directory (GCMD)

reference date

date type

revision

effective date

2018-02-27

Geographic location

West bounding longitude

-158.00000

East bounding longitude

-148.00000

North bounding latitude

73.00000

South bounding latitude

70.00000

Temporal reference

Temporal extent

Begin position

2003-04-01T00:00:00Z

End position

2003-04-15T23:59:59Z

Dataset reference date

date type

publication

effective date

2009-03-11T13:44:38Z

Frequency of update

Quality and validity

Lineage

Conformity

Data format

name of format

version of format

Constraints related to access and use

Constraint set

Use constraints

none

Limitations on public access

none

Responsible organisations

Responsible party

contact position

EOL Data Support

organisation name

UCAR/NCAR - Earth Observing Laboratory

full postal address

PO Box 3000

Boulder

80307-3000

email address

datahelp@eol.ucar.edu

web address

https://data.eol.ucar.edu/

name: homepage

responsible party role

pointOfContact

Responsible party

organisation name

Bigelow Laboratory for Ocean Sciences

full postal address

180 McKown Point

West Boothbay Harbor

04575

email address

jchristensen@bigelow.org

responsible party role

pointOfContact

Metadata on metadata

Metadata point of contact

contact position

EOL Data Support

organisation name

UCAR/NCAR - Earth Observing Laboratory

full postal address

PO Box 3000

Boulder

80307-3000

email address

datahelp@eol.ucar.edu

web address

https://data.eol.ucar.edu/

name: homepage

responsible party role

pointOfContact

Metadata date

2024-12-26T23:52:39Z

Metadata language

eng; USA