Centre Island Data

An anomaly of the magnetic field of the Earth, extending over a relatively small area, due to local magnetic influences.

S-57 Object Class: Local magnetic anomaly

S-57 Acronym: LOCMAG

This data was compiled for the use in the scale range 1:90,000 to 1:350,000.

THIS DATA DOES NOT REPLACE NAUTICAL CHARTS AND MUST NOT BE USED FOR NAVIGATION.

This data is based on the S-57 data format used in Electronic Navigational Charts (ENCs) published and maintained by the New Zealand Hydrographic Authority at Land Information New Zealand (LINZ). Refer to the following link for information about S-57 data: www.linz.govt.nz/hydro/regulation/

An area of the sea where the nature of bottom is homogeneous. The nature of bottom includes the material of which it is composed and its physical characteristics. Also called character (or characteristics) of the bottom, or quality of the bottom.

S-57 Object Class: Seabed area

S-57 Acronym: SBDARE

This data was compiled for the use in the scale range 1:1,500,000 and smaller.

THIS DATA DOES NOT REPLACE NAUTICAL CHARTS AND MUST NOT BE USED FOR NAVIGATION.

This data is based on the S-57 data format used in Electronic Navigational Charts (ENCs) published and maintained by the New Zealand Hydrographic Authority at Land Information New Zealand (LINZ). Refer to the following link for information about S-57 data: www.linz.govt.nz/hydro/regulation/

Satellite Imagery of some of Aotearoa New Zealand's nearshore islands which do not have aerial imagery coverage. The imagery was captured between 2010 and 2021 and encompasses Manawatāwhi / Three Kings Islands, Poor Knights Islands, Hen and Chickens Islands, Karewa Island, Taumaihi Island, Motunau / Plate Island, Motuhaku Island / Schooner Rocks, Solander Island / Hautere, Little Solander Island, Rarotoka Island, Escape Reefs, Dog Island and Ruapuke Island and its surrounding islands.

Imagery was captured for Toitū Te Whenua Land Information New Zealand by Maxar, Inc.

Data comprises:
• 78 ortho-rectified RGB GeoTIFF images in NZGD2000 / New Zealand Transverse Mercator 2000 projection, tiled into the LINZ Standard 1:5000 tile layout
• Tile layout in NZGD2000 / New Zealand Transverse Mercator 2000 projection containing relevant information.

Please refer to the tile index layer for specific details, naming conventions, etc.

Imagery supplied as 50cm pixel resolution, 3-band (RGB) uncompressed GeoTIFF. The spatial accuracy is <8.5m at 90% confidence

Index tiles for this dataset are available as layer NZ Nearshore Islands 0.5m Satellite Imagery Index Tiles (2010-2021)