Data

2007-08 V3 CEAMARC-CASO Bathymetry Plots Over Time During Events

Australian Antarctic Division
Riddle, M.J. and Robinson, S. ; RIDDLE, MARTIN J. ; ROBINSON, SARAH
Viewed: [[ro.stat.viewed]] Cited: [[ro.stat.cited]] Accessed: [[ro.stat.accessed]]
ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=http://data.aad.gov.au/metadata/CEAMARC_CASO_200708030_EVENT_BATHYMETRY_PLOTS&rft.title=2007-08 V3 CEAMARC-CASO Bathymetry Plots Over Time During Events&rft.identifier=http://data.aad.gov.au/metadata/CEAMARC_CASO_200708030_EVENT_BATHYMETRY_PLOTS&rft.publisher=Australian Antarctic Data Centre&rft.description=A routine was developed in R ('bathy_plots.R') to plot bathymetry data over time during individual CEAMARC events. This is so we can analyse benthic data in relation to habitat, ie. did we trawl over a slope or was the sea floor relatively flat. Note that the depth range in the plots is autoscaled to the data, so a small range in depths appears as a scatetring of points. As long as you look at the depth scale though interpretation will be ok.The R files need a file of bathymetry data in '200708V3_one_minute.csv' which is a file containing a data export from the underway PostgreSQL ship database and 'events.csv' which is a stripped down version of the events export from the ship board events database export. If you wish to run the code again you may need to change the pathnames in the R script to relevant locations. If you have opened the csv files in excel at any stage and the R script gets an error you may need to format the date/time columns as yyyy-mm-dd hh;mm:ss, save and close the file as csv without opening it again and then run the R script.However, all output files are here for every CEAMARC event. Filenames contain a reference to CEAMARC event id. Files are in eps format and can be viewed using Ghostview which is available as a free download on the internet.Progress Code: completedStatement: The bathymetry data has been checked for accuracy.&rft.creator=Riddle, M.J. and Robinson, S. &rft.creator=RIDDLE, MARTIN J. &rft.creator=ROBINSON, SARAH &rft.date=2008&rft.coverage=westlimit=139.01488; southlimit=-67.07104; eastlimit=150.06479; northlimit=-42.88246&rft.coverage=westlimit=139.01488; southlimit=-67.07104; eastlimit=150.06479; northlimit=-42.88246&rft_rights=These data are publicly available for download at the provided URL.&rft_rights=Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/legalcode&rft_rights=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=CEAMARC_CASO_200708030_EVENT_BATHYMETRY_PLOTS when using these data.&rft_rights=This metadata record is publicly available.&rft_subject=oceans&rft_subject=EARTH SCIENCE > OCEANS > BATHYMETRY/SEAFLOOR TOPOGRAPHY > WATER DEPTH&rft_subject=EARTH SCIENCE > OCEANS > OCEAN ACOUSTICS&rft_subject=EARTH SCIENCE > OCEANS > BATHYMETRY/SEAFLOOR TOPOGRAPHY > BATHYMETRY&rft_subject=Bathymetry&rft_subject=Echo Sounder&rft_subject=ECHO SOUNDERS&rft_subject=SHIPS&rft_subject=R/V AA > R/V Aurora Australis&rft_subject=AMD/AU&rft_subject=CEOS&rft_subject=AMD&rft_subject=OCEAN > SOUTHERN OCEAN&rft_subject=GEOGRAPHIC REGION > POLAR&rft.type=dataset&rft.language=English Access the data
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Attribution 4.0 International (CC BY 4.0)
https://creativecommons.org/licenses/by/4.0/legalcode

These data are publicly available for download at the provided URL.

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=CEAMARC_CASO_200708030_EVENT_BATHYMETRY_PLOTS when using these data.

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Full description

A routine was developed in R ('bathy_plots.R') to plot bathymetry data over time during individual CEAMARC events. This is so we can analyse benthic data in relation to habitat, ie. did we trawl over a slope or was the sea floor relatively flat. Note that the depth range in the plots is autoscaled to the data, so a small range in depths appears as a scatetring of points. As long as you look at the depth scale though interpretation will be ok.

The R files need a file of bathymetry data in '200708V3_one_minute.csv' which is a file containing a data export from the underway PostgreSQL ship database and 'events.csv' which is a stripped down version of the events export from the ship board events database export. If you wish to run the code again you may need to change the pathnames in the R script to relevant locations. If you have opened the csv files in excel at any stage and the R script gets an error you may need to format the date/time columns as yyyy-mm-dd hh;mm:ss, save and close the file as csv without opening it again and then run the R script.

However, all output files are here for every CEAMARC event. Filenames contain a reference to CEAMARC event id. Files are in eps format and can be viewed using Ghostview which is available as a free download on the internet.

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Progress Code: completed
Statement: The bathymetry data has been checked for accuracy.

Data time period: 2007-12-17 to 2008-01-26

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150.06479,-42.88246 150.06479,-67.07104 139.01488,-67.07104 139.01488,-42.88246 150.06479,-42.88246

144.539835,-54.97675

text: westlimit=139.01488; southlimit=-67.07104; eastlimit=150.06479; northlimit=-42.88246

Subjects
AMD | AMD/AU | Bathymetry | CEOS | EARTH SCIENCE > OCEANS > BATHYMETRY/SEAFLOOR TOPOGRAPHY > BATHYMETRY | EARTH SCIENCE > OCEANS > BATHYMETRY/SEAFLOOR TOPOGRAPHY > WATER DEPTH | EARTH SCIENCE > OCEANS > OCEAN ACOUSTICS | ECHO SOUNDERS | Echo Sounder | GEOGRAPHIC REGION > POLAR | OCEAN > SOUTHERN OCEAN | R/V AA > R/V Aurora Australis | SHIPS | oceans |

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Other Information
Download the excel spreadsheets detailing the bathymetry data (GET DATA)

uri : http://data.aad.gov.au/eds/2857/download

Public information for ASAC project 2652 (PROJECT HOME PAGE)

uri : https://projects.aad.gov.au/search_projects_results.cfm?project_no=2652

Public information for ASAC project 2792 (PROJECT HOME PAGE)

uri : https://projects.aad.gov.au/search_projects_results.cfm?project_no=2792

Citation reference for this metadata record and dataset. (VIEW RELATED INFORMATION)

uri : http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=CEAMARC_CASO_200708030_EVENT_BATHYMETRY_PLOTS

Identifiers
  • global : CEAMARC_CASO_200708030_EVENT_BATHYMETRY_PLOTS