Australian National Gravity Database 2003  


Authors / CoAuthors

Wynne, P. | Bacchin, M.

Abstract

Geoscience Australia's National Gravity Database contains onshore and offshore data from more than 1,200,000 point gravity observations. These data have been collected from gravity surveys dating back to 1937. This repository of gravity information is a valuable national asset with importance to the mineral and petroleum exploration industries, geodesy and the international scientific community. This May 2003 release contains approximately 390,000 more stations than the 2002 release.

Product Type

dataset

eCat Id

47696

Contact for the resource

  Custodian

 

  Point of contact

Commonwealth of Australia (Geoscience Australia)  
Cnr Jerrabomberra Ave and Hindmarsh Dr GPO Box 378
Canberra
ACT
2601
Australia

Keywords

  • Gravity Digital DataNon-standard scale
( Theme )
  • geophysics
( Theme )
  • gravity
Australian and New Zealand Standard Research Classification (ANZSRC)
  • Gravimetrics
  • Published_Internal

Publication Date

2003-01-01T00:00:00

Creation Date

Security Constraints

Australian Government Security ClassificationSystem    

Classification - unclassified

Legal Constraints

Creative Commons Attribution 4.0 International Licence    

Access - restricted

Use - license

Status

Purpose

Maintenance Information

continual

Topic Category

geoscientificInformation

Series Information

Lineage

The release of the 2003 edition of the Australian National Gravity Database contains some 1,200,000 point data values in the area extending from 8&deg; S to 48&deg; S and 108&deg; E to 162&deg; E. All data are provided in GDA94 coordinates. Both onshore and offshore data are in the 2003 database release which has approximately 390,000 gravity stations additional to the 2002 release. <p>The parameters of the point located data are: <br>Station spacing: various from 10 m to 11 km <br>Projection: Geodetic in latitude and longitude <br>Null value: blank <p>Gravity Datum <br>The gravity data as supplied are based on the IGSN71 datum and ISOGAL84 scale. The gravity unit used is micrometres per second squared. The height data are given in metres based on the Australian Height Datum (AHD). Gravity positions are given in datum GDA94.

Parent Information

Extents

[-48.0, -8.0, 105.0, 162.0]

Reference System

Spatial Resolution

Service Information

Associations

Downloads and Links

Source Information

Source data not available.