Particulate organic matter elemental analysis, mixed layer, during the K-Azis voyage of the Aurora Australis au1603

Water samples of 1 to 2L from Niskin bottles filled close to the surface, mid mixed layer depth and bottom of the mixed layer were drawn cleanly through a 210um mesh to exclude zooplankton. All samples were filtered as two size fractions, 1.2 to 20um (larger particles excluded by 20um Nitex mesh) and a separate 1.2 to 210um total sample. The filters were 1.2um silver membranes (Sterlitech) 13mm diameter. The samples were preserved by drying at 60C in a dedicated clean oven. Prior to encapsulation, a 5mm diameter subsample was taken for biogenic silica analysis, which is delayed until there has been evaluation of the particle data from the flow cam and UVP. Samples were encapsulated in silver (Sercon sc0037) after acidification and drying. The decarbonated encapsulated POC samples were analysed by elemental analyser at the CSL UTAS by Dr Thomas Rodemann (EA TCD 960C, single point standardisation every 12 samples).  EA detection limit 0.001umol POC. POC and PON are presented as molar units. Blanks were process blanks (seawater) and 7% of the average for the combined data n=177. 1sd=0.12uM.


The ctd casts were all given the prefix K, so K001, K002 etc. Not all stations were sampled due to budget constraints. Niskin is the Niskin bottle number.

Simple

Identification info

Alternate title
Particulate organic matter elemental analysis, mixed layer, during the K-Azis voyage of the Aurora Australis au1603
Date (Publication)
2019-06-03
Edition
1
Citation identifier
Dataset DOI

Title
Information and documentation - Digital object identifier system
Date (Publication)
2012-04-23
Citation identifier
ISO 26324:2012

Citation identifier
doi:10.26179/5cf49be15fc98

Originator

Davies, D.M.

Publisher

Australian Antarctic Data Centre

Principal investigator

DAVIES, DIANA MAY
CSIRO Oceans and Atmosphere,
Castray Esplanade
Hobart
Tasmania
7000
Australia

Collaborator

DAVIES, DIANA MAY
CSIRO Oceans and Atmosphere,
Castray Esplanade
Hobart
Tasmania
7000
Australia
Name
CAASM Metadata
Website
https://data.aad.gov.au/metadata/records/AAS_4331_KAxis_CTD_POM_POC_PON

Purpose
The samples were collected to inform interpretation of co-sampled particulates analysed by flow cam and link to primary productivity and pigment results. A subset of this data has been reported to SOCCOM for stations where a float was launched.
Status
Completed

Custodian

AU/AADC > Australian Antarctic Data Centre, Australia - AADC, DATA OFFICER (DATA CENTER CONTACT)
Australian Antarctic Division
203 Channel Highway
Kingston
Tasmania
7050
Australia
Topic category
  • Oceans

Extent

N
S
E
W


Extent

Description
Temporal Coverage

Temporal extent

TimePeriod
2016-01-19 2016-02-19

Extent

Description
Vertical Extent - Altitude

Vertical element

Minimum value
0
Maximum value
0
Identifier
urn:x-ogc:def:cs:EPSG:6499
Name
Vertical CS. Axis: height (H). Orientation: up. UoM: m.
Identifier
urn:x-ogc:def:axis:EPSG:114
Name
height

Extent

Description
Vertical Extent - Depth

Vertical element

Minimum value
0
Maximum value
4000
Identifier
urn:x-ogc:def:cs:EPSG:6498
Name
Vertical CS. Axis: depth (D). Orientation: down. UoM: m.
Identifier
urn:x-ogc:def:axis:EPSG:113
Name
depth
NASA/GCMD Earth Science Keywords
  • EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CARBON
  • EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > ORGANIC CARBON
  • EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > NITROGEN
NASA/GCMD Earth Science Keywords
  • CHNS/O ELEMENTAL ANALYZERS > Carbon Hydrogen Nitrogen Elemental Analyzers
  • IRMS > ISOTOPIC RATIO MASS SPECTROMETER
NASA/GCMD Earth Science Keywords
  • SHIPS
  • R/V AA > R/V Aurora Australis
  • LABORATORY
NASA/GCMD Earth Science Keywords
  • AMD/AU
  • CEOS
  • AMD
NASA/GCMD Earth Science Keywords
  • GEOGRAPHIC REGION > POLAR
  • OCEAN > SOUTHERN OCEAN > KERGUELEN PLATEAU

Resource constraints

Use limitation
This metadata record is publicly available.

Resource constraints

Access constraints
licence
Other constraints
These data are publicly available for download from the provided URL. Please contact the data custodians before use.

Resource constraints

File type
Portable Network Graphic
Linkage
Creative Commons by Attribution logo

Title
Attribution 4.0 International (CC BY 4.0)
Website
https://creativecommons.org/licenses/by/4.0/legalcode

Legal code for Creative Commons by Attribution 4.0 International license

Use constraints
licence
Other constraints
This data set conforms to the CCBY Attribution License (http://creativecommons.org/licenses/by/4.0/). Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=AAS_4331_KAxis_CTD_POM_POC_PON when using these data.
Language
English
Character encoding
UTF8

Distribution Information

Distributor

Distributor

AU/AADC > Australian Antarctic Data Centre, Australia - AADC, DATA OFFICER (DATA CENTER CONTACT)
Australian Antarctic Division
203 Channel Highway
Kingston
Tasmania
7050
Australia

Distributor

Fees
Free
Planned available datetime
2019-06-03T00:00:00
Units of distribution
kb
Transfer size
22
Distribution format
  • Excel

OnLine resource
GET DATA

Download the dataset.

OnLine resource
PROJECT HOME PAGE

Public information for AAS project 4331

OnLine resource
VIEW RELATED INFORMATION

Citation reference for this metadata record and dataset.

Resource lineage

Statement
Large chain forming diatoms (Rhizosolenia) were present on occasions and partially excluded by the 210um mesh. One extra station is recorded at CTD0.5 UW which was a surface underway sample within a polynya (no cast was done).
Hierarchy level
Dataset
Maintenance and update frequency
As needed
Maintenance note
2019-05-31 - record created by Diana Davies. 2019-06-04 - record updated by Dave Connell to add a keyword.

Metadata

Metadata identifier
string/AAS_4331_KAxis_CTD_POM_POC_PON

Language
English
Character encoding
UTF8

Author

DAVIES, DIANA MAY
CSIRO Oceans and Atmosphere,
Castray Esplanade
Hobart
Tasmania
7000
Australia

Sponsor

Australian Antarctic Division

Owner

AADC
Title
Parent Metadata Record
Citation identifier
AAS_4344_au1603_CTD_version27sep2017

Type of resource

Resource scope
Dataset

Alternative metadata reference

Title
gov.nasa.gsfc.gcmd
Citation identifier
3cc3770a-5eae-41f4-b6ac-5ea954c705e2

Alternative metadata reference

Title
gov.nasa.gsfc.gcmd
Date (Last Revision)
2019-06-04T10:15:54

Identifier

Description
metadata.extraction_date

Alternative metadata reference

Title
gov.nasa.gsfc.gcmd
Citation identifier
8.6

Metadata linkage
http://data.aad.gov.au/metadata/records/AAS_4331_KAxis_CTD_POM_POC_PON

Point of truth for the metadata record

Date info (Creation)
2019-05-31T00:00:00
Date info (Last Update)
2019-06-04

Metadata standard

Title
ISO 19115-3
Edition
2014
Other citation details
Version 1
Title
DIF to ISO 19115-1 Profile
 
 

Overviews

Spatial extent

N
S
E
W


Keywords


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