Southern Ocean summer chlorophyll-a climatology

This dataset is a climatological summer chlorophyll-a layer for the Southern Ocean south of 40S, following the OC3M algorithm of Johnson et al. (2013). The climatology was calculated from level-3 binned MODISA RRS products spanning the 2002/03 to 2015/16 austral summer seasons (summer taken as day 355 to day 80).

Simple

Identification info

Alternate title
Southern Ocean summer chlorophyll-a climatology
Date (Publication)
2017-05-01
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:10.4225/15/5906b48f70bf9

Originator

Johnson, R., Sumner, M. and Raymond, B.

Publisher

Australian Antarctic Data Centre

Principal investigator

JOHNSON, ROB
Institute of Antarctic and Southern Ocean Studies
University of Tasmania
Private Bag 77
Hobart
Tasmania
7001
Australia

Principal investigator

SUMNER, MICHAEL
Australian Antarctic Division
203 Channel Highway
Kingston
Tasmania
7050
Australia

Collaborator

JOHNSON, ROB
Institute of Antarctic and Southern Ocean Studies
University of Tasmania
Private Bag 77
Hobart
Tasmania
7001
Australia

Collaborator

SUMNER, MICHAEL
Australian Antarctic Division
203 Channel Highway
Kingston
Tasmania
7050
Australia

Collaborator

RAYMOND, BEN
Australian Antarctic Division
203 Channel Highway
Kingston
Tasmania
7050
Australia
Name
CAASM Metadata
Website
https://data.aad.gov.au/metadata/records/AAS_4343_so_chlorophyll

Purpose
From the abstract of the published paper: Remote sensing of Southern Ocean chlorophyll concentrations is the most effective way to detect large-scale changes in phytoplankton biomass driven by seasonality and climate change. However, the current algorithms for the Sea-viewing Wide Field-of-view Sensor (SeaWiFS, algorithm OC4v6), the Moderate Resolution Imaging Spectroradiometer (MODIS-Aqua, algorithm OC3M), and GlobColour significantly underestimate chlorophyll concentrations at high latitudes. Here, we use a long-term data set from the Southern Ocean (20 degrees - 160 degrees E) to develop more accurate algorithms for all three of these products in southern high-latitude regions. These new algorithms improve in situ versus satellite chlorophyll coefficients of determination (r 2 ) from 0.27 to 0.46, 0.26 to 0.51, and 0.25 to 0.27, for OC4v6, OC3M, and GlobColour, respectively, while addressing the underestimation problem. This study also revealed that pigment composition, which reflects species composition and physiology, is key to understanding the reasons for satellite chlorophyll underestimation in this region. These significantly improved algorithms will permit more accurate estimates of standing stocks and more sensitive detection of spatial and temporal changes in those stocks, with consequences for derived products such as primary production and carbon cycling.
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

Spatial resolution

Spatial resolution
9

Spatial resolution

Vertical sampling distance
9
Topic category
  • Oceans

Extent

N
S
E
W


Extent

Description
Temporal Coverage

Temporal extent

TimePeriod
2002-12-21 2016-03-20
Title
Three improved satellite chlorophyll algorithms for the Southern Ocean.
Date (Publication)
2013
Citation identifier
118

Citation identifier
doi:10.1002/jgrc.20270

Author

Johnson R, Strutton PG, Wright SW, McMinn A, Meiners KM
Name
J Geophys Res Oceans
Page
3694-3703
NASA/GCMD Earth Science Keywords
  • EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CHLOROPHYLL
Keywords
  • Chlorophyll
  • Phytoplankton biomass
NASA/GCMD Earth Science Keywords
  • AQUA > Earth Observing System, AQUA
NASA/GCMD Earth Science Keywords
  • ACE/CRC
  • AMD/AU
  • AMD
  • CEOS
NASA/GCMD Earth Science Keywords
  • GEOGRAPHIC REGION > POLAR
  • OCEAN > SOUTHERN OCEAN

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.

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
When using these data, please cite: Johnson R, Strutton PG, Wright SW, McMinn A, Meiners KM (2013), Three improved satellite chlorophyll algorithms for the Southern Ocean. J Geophys Res Oceans 118:3694-3703. doi:10.1002/jgrc.20270 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_4343_so_chlorophyll 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
2017-05-01T00:00:00
Units of distribution
MB
Transfer size
11
Distribution format
  • csv

OnLine resource
GET DATA

Download the data

OnLine resource
PROJECT HOME PAGE

Public information for AAS project AAS_4343

OnLine resource
VIEW RELATED INFORMATION

Citation reference for this metadata record and dataset.

Maintenance and update frequency
As needed
Maintenance note
2017-04-26 - record created by Ben Raymond.

Metadata

Metadata identifier
string/AAS_4343_so_chlorophyll

Language
English
Character encoding
UTF8

Author

RAYMOND, BEN
Australian Antarctic Division
203 Channel Highway
Kingston
Tasmania
7050
Australia

Sponsor

Australian Antarctic Division

Owner

AADC

Type of resource

Resource scope
Dataset

Alternative metadata reference

Title
gov.nasa.gsfc.gcmd
Citation identifier
25c91735-27b3-4685-8802-c08843a48476

Alternative metadata reference

Title
gov.nasa.gsfc.gcmd
Date (Last Revision)
2021-11-17T12:22:29

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_4343_so_chlorophyll

Point of truth for the metadata record

Date info (Creation)
2017-04-26T00:00:00
Date info (Last Update)
2017-04-26

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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Not available