New Zealand Geomagnetic Database

Database

This database is a vehicle for transferring critical Southern Hemisphere magnetic field measurements continuously collected at the Eyrewell (Canterbury), Scott Base (Antarctica) and Apia (Samoa) geomagnetic observatories to the International Real-time Magnetic Observatory Network (INTERMAGNET) database. The New Zealand Geomagnetic Database is a Nationally Significant resource.

Nationally Significant Databases are those datasets and collections registered as important for New Zealand, and as such, they are supported by long-term government funding.

Overview

Through INTERMAGNET, geomagnetic data is easily accessible and freely available to the public. Scientists around the globe use INTERMAGNET data to improve understanding of the dynamics within the Earth’s core that drive our protective shield and how it changes over time. Geomagnetic storms as potential hazards to power grids and therefore to society are of particular interest to New Zealand.

Digital records

Digital records for Eyrewell (EYR), Scott Base (SBA) and Apia (API) geomagnetic observatories from as early as 1951 are available, with formats and sampling rates differing over time.

The 1991-2013 definitive data can be downloaded from INTERMAGNET.

The 1-second and 1-minute preliminary data for EYR, SBA and API can be downloaded via a free web access provided by INTERMAGNET(external link)  (1-min EYR available since 1994, SBA since 1996, and API since 1999).

Paper records

This database contains paper records of geomagnetic field values collected at Apia in 1908-1994, at Scott Base in 1957-1994 and in Canterbury in 1916-1995 (at Amberly until 1977, at Eyrewell from 1978). Contact the curator for more information.

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  • Terms Of Use

    The data is made available through INTERMAGNET - the global network of observatories, monitoring the Earth's magnetic field. The data is provided for your own internal use only; it is not for commercial use, sale or distribution to third parties without the written permission of GNS Science. Publications making use of the data should include an acknowledgment statement as specified by INTERMAGNET.

    GNS Science has made all reasonable endeavours to ensure the accuracy and completeness of the datasets but gives no warranties and makes no representations (express or implied) as to its accuracy, completeness or fitness for purpose, or title. GNS Science accepts no liability on account of errors in any of the information and each user must rely on its own inquiries. GNS Science excludes liability for any loss, damage or expense, direct or indirect and however caused, whether through negligence or otherwise resulting from any person, company or organisation's use of, or reliance on, these data. In no circumstances will GNS Science be liable for consequential, indirect, special or punitive damages. Use of the product will be deemed to be acceptance of these terms.

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