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Southern Ocean Continuous Zooplankton Records

Federal Geographic Data Committee (FGDC) Metadata:


Identification_Information:
Citation:
Citation_Information:
Originator: Hosie, G.
Publication_Date: 20120528
Title: Southern Ocean Continuous Zooplankton Records
Edition:
Geospatial_Data_Presentation_Form:
Series_Information:
Series_Name: CAASM Metadata
Issue_Identification:
Publication_Information:
Publication_Place:
Publisher: Australian Antarctic Data Centre
Other_Citation_Details:
Online_Linkage: https://data.aad.gov.au/aadc/metadata/metadata_redirect.cfm?md=/AMD/AU/AADC-00099
Description:
Abstract:
This dataset contains results from Continuous Plankton Recorder (CPR) surveys in the Southern Ocean. When the opportunity arises, zooplankton species, numbers and abundance data are recorded on a continuous basis as vessels steam through the area between Australia and Antarctica, including Heard and Macquarie Islands. Observations have been made since June 1990 and are ongoing. Obviously the observations are not continuous over the region with time. Many of the original SO-CPR logbooks from the various voyages have also been scanned, and are available via the Australian Antarctic Data Centre's Reports Register. Zooplankton have been identified to lowest possible taxon, usually species, and counted for each segment. For copepods, copepodites and for some species nauplii (e.g. Rhincalanus gigas) have been counted separately, and for euphausiids, naupliar, calyptopis and furcilia developmental stages are identified. The fields in this dataset are: Tow_number - the CPR tow number Ship_name - the name of the ship on which the tow was conducted Season - two-year Antarctic season based around the austral summer, e.g. "2000-01" runs from July 2000 to June 2001 Latitude - the decimal latitude of the segment sample Longitude - the decimal longitude of the segment sample Observation_date - UTC date and time of the segment sample in ISO8601 format (yyyy-mm-ddTHH:MMZ) Observation_date_year - the observation date year Observation_date_month - the observation date month Observation_date_day - the observation date day Observation_date_hour - the observation date hour Observation_date_minute - the observation date minute Observation_date_time_zone - the observation date time zone (0=UTC) Segment_number - the individual segment number within each tow Segment_length - the distance travelled by the CPR during this segment (nautical miles). This is the true segment length as used in the Geocoding program used to cut the silk, and to calculate positions and average environmental data for each segment. In theory, all segments are 5 nautical miles long. However, this wasn't always the case with early Aurora Australis tows, where it was assumed that each marked segment was 5 nautical miles whereas each tow had subtle variations in silk advancement, depending on the wear of the cassette or travel with or against a current. True segment length has since been recalculated. At other times, some silks have been incorrectly cut and the true length has again been recalculated. The last segment of each tow may be less than 5 nautical miles. This field can be used to standardise species counts to say 5 nautical miles or to a theoretical volume filtered by multiplying the distance travelled by aperture area (12.7 x 12.7 mm): Volume Filtered = Distance (n miles) x 1852 metres x 0.0127^2. A 5 nautical mile segment theoretically represents 1.49 m^3. Total_abundance - total count of all zooplankton in a segment Phytoplankton_colour_index - visual estimation of the green colour of the silk mesh. Values are "No Colour", "Very Pale Green", "Pale Green", or "Green". This colouration is due to the green chlorophyll pigments derived from chloroplasts of intact and broken cells and small unarmoured flagellates. It may provide an indicator of phytoplankton standing stock, although in the Southern Ocean there are some diatoms that are quite common on the silks but as they have very low amounts of chlorophyll the colour doesn't register in the PCI analysis. Fluorescence - water fluoresence measured by the vessel, averaged for the segment (arbitrary units). See Quality notes for more information. Salinity - water salinity measured by the vessel, averaged for the segment (psu). See Quality notes for more information. Water_temperature - water temperature measured by the vessel (degrees Celsius). See Quality notes for more information. Photosynthetically_active_radiation - photosynthetically active radiation measured by the vessel (micro-Einsteins m-2 s-1). This is not available on some vessels but has been included as a useful parameter to help differentiate data from night and day. The remaining fields ("Abylidae" through to "Vibilia_sp") are zooplankton taxon names. The entries in these columns are the counts of each taxon in the segment.
Purpose:
Not Available
Supplemental_Information:
Not Available
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 19900601
Ending_Date: Unknown
Currentness_Reference:Unknown
Status:
Progress: In Work
Maintenance_and_Update_Frequency: As needed
Spatial_Domain:
Description_of_Geographic_Extent:
Bounding_Coordinates:
West_Bounding_Coordinate: -180.0
East_Bounding_Coordinate: 180.0
North_Bounding_Coordinate: -40.0
South_Bounding_Coordinate: -70.0
Keywords:
Theme:
Theme_Keyword_Thesaurus: GCMD SCIENCE PARAMETERS
Theme_Keyword_Thesaurus: GCMD PLATFORM
Theme_Keyword_Thesaurus: GCMD INSTRUMENT
Theme_Keyword_Thesaurus: PROJECT
Theme_Keyword_Thesaurus: ANCILLARY KEYWORDS
Theme_Keyword_Thesaurus: ISO TOPIC CATEGORY
Theme_Keyword_Thesaurus: DATA SET LANGUAGE
Theme_Keyword: EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > ANIMALS/INVERTEBRATES > ARTHROPODS > CRUSTACEANS > EUPHAUSIIDS (KRILL)
Theme_Keyword: EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > ANIMALS/INVERTEBRATES
Theme_Keyword: EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > ANIMALS/INVERTEBRATES > ARTHROPODS > CRUSTACEANS > COPEPODS
Theme_Keyword: EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > ANIMALS/INVERTEBRATES > ARTHROPODS
Theme_Keyword: EARTH SCIENCE > BIOSPHERE > ECOSYSTEMS > AQUATIC ECOSYSTEMS > PLANKTON > ZOOPLANKTON
Theme_Keyword: R/V AA > R/V AURORA AUSTRALIS
Theme_Keyword: R/V POLARSTERN
Theme_Keyword: R/V TANGAROA
Theme_Keyword: R/V UM > R/V UMITAKA MARU
Theme_Keyword: SHIPS
Theme_Keyword: R/V YUZ > R/V YUZHMORGEOLOGIYA
Theme_Keyword: CPR > CONTINUOUS PLANKTON RECORDER
Theme_Keyword: OBIS > OCEAN BIOGEOGRAPHIC INFORMATION SYSTEM
Theme_Keyword: IPY > INTERNATIONAL POLAR YEAR
Theme_Keyword: SCAR-MARBIN > SCAR MARINE BIODIVERSITY INFORMATION NETWORK
Theme_Keyword: CAML > CENSUS OF ANTARCTIC MARINE LIFE
Theme_Keyword: COML > CENSUS OF MARINE LIFE
Theme_Keyword: EBA > EVOLUTION AND BIODIVERSITY IN THE ANTARCTIC
Theme_Keyword: Abundance
Theme_Keyword: Date
Theme_Keyword: Distance
Theme_Keyword: Fluorescence
Theme_Keyword: Latitude
Theme_Keyword: Licor
Theme_Keyword: Longitude
Theme_Keyword: Month
Theme_Keyword: Salinity
Theme_Keyword: Season
Theme_Keyword: Segment Length
Theme_Keyword: Segment Number
Theme_Keyword: Ship Code
Theme_Keyword: Southern Ocean
Theme_Keyword: Species
Theme_Keyword: Temperature
Theme_Keyword: Time
Theme_Keyword: Year
Theme_Keyword: Akademik Fedorov
Theme_Keyword: Ary Rongel
Theme_Keyword: Hakuho Maru
Theme_Keyword: Kaiyo Maru
Theme_Keyword: Shirase
Theme_Keyword: Shirase Ii
Theme_Keyword: San Aotea Ii
Theme_Keyword: Marion Dufresne Ii
Theme_Keyword: Sa Agulhas Ii
Theme_Keyword: NULL
Theme_Keyword: NULL
Theme_Keyword: ENGLISH
Place:
Place_Keyword_Thesaurus: GCMD
Place_Keyword: OCEAN > SOUTHERN OCEAN
Place_Keyword: GEOGRAPHIC REGION > POLAR
Access_Constraints: The data are available for download from the provided URL. Presence records of known species (with no abundance value) are published via the AADC Integrated Publishing Toolkit (IPT) web services to SCAR-MarBIN, OBIS and GBIF data portals. Use the download link below to a web page showing voyages, maps of tracks and species distribution maps of the area between Australia and Antarctica. Scanned copies of many SO-CPR logbooks are also available for download from the provided URL. In addition to the AADC data are held in the Global Alliance of CPR Surveys (GACS) Database and the IMOS Data Portal. Presence records of known species (with no abundance value) are published via DiGIR web services to SCAR-MarBIN, OBIS and GBIF data portals. Please contact the investigators before using these data, as some explanation may be required.
Use_Constraints:
This data set conforms to the PICCCBY Attribution License (http://creativecommons.org/licenses/by/3.0/). Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=AADC-00099 when using these data. Please contact the investigators before using these data, as some explanation may be required. These data were sourced from the Scientific Committee on Antarctic Research (SCAR) sponsored Southern Ocean CPR (SO-CPR) Survey Database, hosted by the Australian Antarctic Data Centre (AADC). The AADC is part of the Australian Antarctic Division (AAD, a division of the Department of Sustainability, Environment, Water, Population and Communities (SEWPaC)). The SO-CPR Survey and database are also funded, supported and populated by the Australian Government through the SEWPaC-AAD approved AAS project 4107 and the Integrated Marine Observing System (IMOS) funded by the Australian Government National Collaborative Research Infrastructure Strategy and the Super Science Initiative, the Japanese National Institute of Polar Research (NIPR), the NZ National Institute of Water and Atmospheric Research (NIWA), the German Alfred Wegener Institute (AWI), the United States of America - Antarctic Marine Living Resources programme (NOAA US-AMLR), the Russian Arctic and Antarctic Research Institute (AARI), the Brazilian Programa Antartico Brasileiro (PROANTAR), the Chilean Instituto Antartico Chileno (INACH), the South African Departmental of Environmental Affairs (DEA) and the French Institut polaire francais - Paul-Emile Victor (IPEV) and Universite Pierre-et-Marie-Curie (UPMC).
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: GRAHAM HOSIE
Contact_Position: INVESTIGATOR
Contact_Position: TECHNICAL CONTACT
Contact_Position: DIF AUTHOR
Contact_Address:
Address_Type: Mailing and Physical Address
Address: Australian Antarctic Division
Address: 203 Channel Highway
City: Kingston
State_or_Province: Tasmania
Postal_Code: 7050
Country: Australia
Contact_Voice_Telephone: +61 3 6232 3364
Contact_Facsimile_Telephone: +61 3 6232 3158
Contact_Electronic_Mail_Address: graham.hosie@aad.gov.au
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Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
Caution: Fluorometry is measured differently on each vessel and are thus not directly comparable between vessels. Most values come from Turner fluorometers. The Aurora Australis has a Turner TD10, and the units are arbitrary even though the fluorometer is routinely calibrated. Further, a value of 200 on one voyage is not necessarily the same as 200 on another voyage, even with daily calibration and cleaning of the sensor. The fluorometry values are really only of value within a voyage in as much that 200 is double the fluorescence activity of 100. On Tangaroa and Kaiyo Maru, fluorometry has been expressed as a concentration of chlorophyll a. There doesn't seem to be any fluorometry data for Hakuho Maru. Notes on salinity: The salinity measurement comes from the various thermosalinograph units mounted in the underway systems of the ships. Salinity on the Aurora Australis has been calculated by thermosalinograph. Salinity values are expressed in practical salinity units. Notes on water temperature: Temperature on the Aurora Australis is measured by a high resolution thyristor near the entrance of a dedicated seawater line, to avoid the problems of heating of the water in by the ship as it passes through pipes. Again the data may not be fully comparable with other vessels. Notes on segment length: The end of each sampling segment is geocoded with latitude and longitude calculated from the one minute time-stamped GPS data. "Segment Length" is the distance in nautical miles for each segment, which is calculated as the cumulative distance between each 1 minute interval. In theory, all segments are 5 nautical miles long. However, this wasn't always the case with early RSV Aurora Australis tows, where it was assumed that the silks advanced at a predetermined rate of 1 cm per nautical mile, whereas each tow had subtle variations in silk advancement, depending on local condition, e.g. whether the CPR was travelling with or against a current. True segment length has since been recalculated. At other times, some silks have been incorrectly cut and the true length has again been recalculated. The last segment of each tow is rarely exactly 5 nautical miles. It is usually less. In this situation we apply the following rule: if the last segment is longer than 2.5 nautical miles it remains as a segment in its own right and can be between 2.5 and 4.99 nautical miles, whereas if it is less than 2.5 it is added to the penultimate segment making the last segment 5 to 7.49 nautical miles. Users of the data can elect to dismiss the last segment. The "Segment Length" field can be used to standardise species counts. Dividing abundance values by the respective segment length will produce numbers per nautical mile, which is equivalent to a volume of water filtered of 0.30 cubic metres (1 nautical mile is 1852 m, multiplied by the aperture area of 12.7 x 12.7 mm). A 5 nautical segment is equivalent to 1.49 cubic metres.
Logical_Consistency_Report:
Not Available
Completeness_Report:
Not Available
Lineage:
Process_Step:
Process_Description:
Not Available
Process_Date: Unknown
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Spatial_Reference_Information:
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Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: AU/AADC > Australian Antarctic Data Centre, Australia
Contact_Person: DATA OFFICER AADC
Contact_Position: DATA CENTER CONTACT
Contact_Address:
Address_Type: Mailing and Physical Address
Address: Australian Antarctic Division
Address: 203 Channel Highway
City: Kingston
State_or_Province: Tasmania
Postal_Code: 7050
Country: Australia
Contact_Voice_Telephone: +61 3 6232 3244
Contact_Facsimile_Telephone: +61 3 6232 3351
Contact_Electronic_Mail_Address: metadata@aad.gov.au
Resource_Description: AADC-00099
Distribution_Liability:
Not Available
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: CSV
Transfer_Size: 2 MB
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name:
http://data.aad.gov.au
Access_Instructions:
DATA CENTER URL
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name:
http://data.aad.gov.au/aadc/portal/download_file.c...
Access_Instructions:
Download point for the dataset
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name:
http://data.aad.gov.au/aadc/cpr/
Access_Instructions:
Home page for the SO-CPR project
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name:
http://data.aad.gov.au/aadc/portal/download_file.c...
Access_Instructions:
Download a copy of all SO-CPR voyage reports
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name:
http://data.aad.gov.au/aadc/metadata/citation.cfm?...
Access_Instructions:
Citation reference for this metadata record and dataset
Fees: Free
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Metadata_Reference_Information:
Metadata_Date: 19991007
Metadata_Review_Date: 20161118
Metadata_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: GRAHAM HOSIE
Contact_Position: INVESTIGATOR
Contact_Position: TECHNICAL CONTACT
Contact_Position: DIF AUTHOR
Contact_Address:
Address_Type: Mailing and Physical Address
Address: Australian Antarctic Division
Address: 203 Channel Highway
City: Kingston
State_or_Province: Tasmania
Postal_Code: 7050
Country: Australia
Contact_Voice_Telephone: +61 3 6232 3364
Contact_Facsimile_Telephone: +61 3 6232 3158
Contact_Electronic_Mail_Address: graham.hosie@aad.gov.au
Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Time_Convention: local time
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