Authors / CoAuthors
Bishop-Taylor, R. | Nanson, R. | Sagar, S. | Lymburner, L.
Abstract
Background: Australia has a highly dynamic coastline of over 30,000 km, with over 85% of its population living within 50 km of the coast. This coastline is subject to a wide range of pressures, including extreme weather and climate, sea level rise and human development. Understanding how the coastline responds to these pressures is crucial to managing this region, from social, environmental and economic perspectives. What this product offers: Digital Earth Australia Coastlines is a continental dataset that includes annual shorelines and rates of coastal change along the entire Australian coastline from 1988 to the present. The product combines satellite data from Geoscience Australia's Digital Earth Australia program with tidal modelling to map the typical location of the coastline at mean sea level for each year. The product enables trends of coastal erosion and growth to be examined annually at both a local and continental scale, and for patterns of coastal change to be mapped historically and updated regularly as data continues to be acquired. This allows current rates of coastal change to be compared with that observed in previous years or decades. The ability to map shoreline positions for each year provides valuable insights into whether changes to our coastline are the result of particular events or actions, or a process of more gradual change over time. This information can enable scientists, managers and policy makers to assess impacts from the range of drivers impacting our coastlines and potentially assist planning and forecasting for future scenarios. Applications - Monitoring and mapping rates of coastal erosion along the Australian coastline - Prioritise and evaluate the impacts of local and regional coastal management based on historical coastline change - Modelling how coastlines respond to drivers of change, including extreme weather events, sea level rise or human development - Supporting geomorphological studies of how and why coastlines have changed across time
Product Type
dataset
eCat Id
116268
Contact for the resource
Point of contact
Cnr Jerrabomberra Ave and Hindmarsh Dr GPO Box 378
Canberra
ACT
2601
Australia
Point of contact
- Contact instructions
- PSCD
Digital Object Identifier
Keywords
- ANZLIC Thematic Search Words Register
-
- MARINE CoastsOCEANOGRAPHY Physical
-
- Published_External
Publication Date
2021-03-01T01:02:53
Creation Date
2018-01-24T00:00:00
Security Constraints
Legal Constraints
Status
completed
Purpose
Digital Earth Australia Coastlines is a continental dataset that includes annual shorelines and rates of coastal change along the entire Australian coastline from 1988 to the present.
Maintenance Information
annually
Topic Category
oceans geoscientificInformation
Series Information
Lineage
The product combines satellite data from Geoscience Australia's Digital Earth Australia program with tidal modelling to map the typical location of the coastline at mean sea level for each year. The product enables trends of coastal erosion and growth to be examined annually at both a local and continental scale, and for patterns of coastal change to be mapped historically and updated regularly as data continues to be acquired.
Parent Information
Extents
[-44.00, -9.00, 154.00, 112.00]
Reference System
GDA94 / Australian Albers (EPSG:3577)
Spatial Resolution
Coastline mapping precision of 11.4 m across sandy coastlines; see product description
Service Information
Associations
Downloads and Links
Source Information