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Palaeoshorelines on the Australian continental shelf: morphology, sea-level relationship and applications to environmental management and archaeology

Palaeoshorelines that lie submerged on stable continental shelves are relict coastal depositional and erosional structures formed during periods of lower sea level. An analysis of the well-dated Late Quaternary (0–128 ka) sea-level record indicates that the most persistent (modal) lower sea levels were at 30 – 40 m below present, which occurred between 97 and 116 ka and at approximately 85 ka and 10 ka. A secondary modal position was at 70–90 m that occurred mostly during a period of fluctuating sea level between 30 and 60 ka, as well as at around 87 ka (70 – 80 m only) and 12−15 ka. For the tectonically stable Australian continental shelf, we show that a range of shorelines formed at each of these sea level modal positions and their morphology and degree of preservation depends on composition (carbonate vs siliciclastic) and oceanographic setting (wave, tide and wind energy). These ancient coasts record a range of oceanographic and geological regimes that existed during relatively long periods of lower sea level and provide a guide to the general depth zones in which similar features likely occur on other shelves globally. Australian palaeoshorelines represent distinctive benthic habitats that strongly influence the distribution of biodiversity across the shelf. Accurate mapping of these features provides a robust geospatial framework for investigations of marine species distributions and environmental change monitoring. These data also enable the better targeting of relict coastal areas that potentially include sand resources and sites of human occupation during periods of lower sea level.


<b>Citation:</b> Brendan P. Brooke, Scott L. Nichol, Zhi Huang, Robin J. Beaman, Palaeoshorelines on the Australian continental shelf: Morphology, sea-level relationship and applications to environmental management and archaeology, <i>Continental Shelf Research</i>, Volume 134, 2017, Pages 26-38, ISSN 0278-4343.

https://doi.org/10.1016/j.csr.2016.12.012.

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Identification info

Date (Creation)
2016-06-01
Date (Publication)
2024-12-18T04:29:43
Citation identifier
Geoscience Australia Persistent Identifier/https://pid.geoscience.gov.au/dataset/ga/100461

Cited responsible party
Role Organisation / Individual Name Details
Author

Brooke, B.P.

Place and Communities Internal Contact
Author

Nichol, S.L.

Place and Communities Internal Contact
Author

Huang, Z.

Place and Communities Internal Contact
Author

Beaman, R.J.

External Contact
Publisher

Elsevier Ltd

External Contact
Name

Continental Shelf Research

Issue identification

Volume 134, 15 February 2017

Page

26-38

Purpose

This paper is a contribution to the Marine Biodiversity Hub, a collaborative partnership supported through funding from the Australian Government¿s National Environmental Science Program.

Status
Completed
Point of contact
Role Organisation / Individual Name Details
Point of contact

Commonwealth of Australia (Geoscience Australia)

Voice
Resource provider

Place and Communities Division

External Contact
Point of contact

Huang, Z.

Place and Communities Internal Contact
Spatial representation type
Topic category
  • Geoscientific information

Extent

Extent

N
S
E
W


Maintenance and update frequency
As needed

Resource format

Title

Product data repository: Various Formats

Protocol

FILE:DATA-DIRECTORY

Name of the resource

Data Store directory containing the digital product files

Description

Data Store directory containing one or more files, possibly in a variety of formats, accessible to Geoscience Australia staff only for internal purposes

theme.ANZRC Fields of Research.rdf
  • EARTH SCIENCES

Feature type
  • Shelf reefs

  • Biodiversity

Temporal
  • Late Quaternary

Theme
  • Sea level

  • marine archaeology

Keywords
  • Published_External

Resource constraints

Title

Creative Commons Attribution 4.0 International Licence

Alternate title

CC-BY

Edition

4.0

Website

http://creativecommons.org/licenses/

Access constraints
License
Use constraints
License
Other constraints

Crown Copyright © 2017

Resource constraints

Title

Australian Government Security ClassificationSystem

Edition date
2018-11-01T00:00:00
Website

https://www.protectivesecurity.gov.au/Pages/default.aspx

Classification
Unclassified
Language
English
Character encoding
UTF8

Distribution Information

Distributor contact
Role Organisation / Individual Name Details
Distributor

Commonwealth of Australia (Geoscience Australia)

Voice facsimile
OnLine resource

Link to Journal

Link to Journal

Distribution format

Resource lineage

Statement

Original publication utilising previously published information on the continental shelf morphology and biodiversity.

Hierarchy level
Document

Metadata constraints

Title

Australian Government Security ClassificationSystem

Edition date
2018-11-01T00:00:00
Website

https://www.protectivesecurity.gov.au/Pages/default.aspx

Classification
Unclassified

Metadata

Metadata identifier
urn:uuid/27e1530b-7948-4513-bf16-2443d291b763

Title

GeoNetwork UUID

Language
English
Character encoding
UTF8
Contact
Role Organisation / Individual Name Details
Point of contact

Commonwealth of Australia (Geoscience Australia)

Voice
Owner

Brooke, B.

Place and Communities Internal Contact
Point of contact

Huang, Z.

Place and Communities Internal Contact

Type of resource

Resource scope
Document
Name

Journal Article

Alternative metadata reference

Title

Geoscience Australia - short identifier for metadata record with uuid

Citation identifier
eCatId/100461

Metadata linkage

https://ecat.ga.gov.au/geonetwork/srv/eng/catalog.search#/metadata/27e1530b-7948-4513-bf16-2443d291b763

Date info (Creation)
2025-06-19T23:27:32.53Z
Date info (Creation)
2016-06-01T11:48:02
Date info (Revision)
2025-06-19T23:28:12.366Z

Metadata standard

Title

AU/NZS ISO 19115-1:2014

Metadata standard

Title

ISO 19115-1:2014

Metadata standard

Title

ISO 19115-3

Title

Geoscience Australia Community Metadata Profile of ISO 19115-1:2014

Edition

Version 2.0, September 2018

Citation identifier
https://pid.geoscience.gov.au/dataset/ga/122551

 
 

Spatial extent

N
S
E
W


Keywords

Biodiversity Late Quaternary Sea level Shelf reefs marine archaeology
theme.ANZRC Fields of Research.rdf
EARTH SCIENCES

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